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Removes iconloaderlib from Launcher3. am: b07e481436 am: 08d119e51c

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Change-Id: I3a28754d2fd102c1835f8f0ea476eebac6e2cc4c
This commit is contained in:
Automerger Merge Worker
2020-03-08 00:14:27 +00:00
parent 608ed34ea0 08d119e51c
commit 2bd65d5bd1
26 changed files with 0 additions and 3226 deletions
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iconloaderlib/Android.bp
-44
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@@ -1,44 +0,0 @@
// Copyright (C) 2018 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
android_library {
name: "iconloader_base",
sdk_version: "28",
min_sdk_version: "21",
static_libs: [
"androidx.core_core",
],
resource_dirs: [
"res",
],
srcs: [
"src/**/*.java",
],
}
android_library {
name: "iconloader",
sdk_version: "system_current",
min_sdk_version: "21",
static_libs: [
"androidx.core_core",
],
resource_dirs: [
"res",
],
srcs: [
"src/**/*.java",
"src_full_lib/**/*.java",
],
}
iconloaderlib/AndroidManifest.xml
-20
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@@ -1,20 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2018 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.launcher3.icons">
</manifest>
iconloaderlib/build.gradle
-38
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@@ -1,38 +0,0 @@
apply plugin: 'com.android.library'
android {
compileSdkVersion COMPILE_SDK
buildToolsVersion BUILD_TOOLS_VERSION
defaultConfig {
minSdkVersion 25
targetSdkVersion 28
versionCode 1
versionName "1.0"
}
sourceSets {
main {
java.srcDirs = ['src', 'src_full_lib']
manifest.srcFile 'AndroidManifest.xml'
res.srcDirs = ['res']
}
}
lintOptions {
abortOnError false
}
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation "androidx.core:core:${ANDROID_X_VERSION}"
}
iconloaderlib/res/drawable-v26/adaptive_icon_drawable_wrapper.xml
-22
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@@ -1,22 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2017 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/legacy_icon_background"/>
<foreground>
<com.android.launcher3.icons.FixedScaleDrawable />
</foreground>
</adaptive-icon>
iconloaderlib/res/drawable/ic_instant_app_badge.xml
-39
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@@ -1,39 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2017 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="@dimen/profile_badge_size"
android:height="@dimen/profile_badge_size"
android:viewportWidth="18"
android:viewportHeight="18">
<path
android:fillColor="@android:color/black"
android:strokeWidth="1"
android:pathData="M 9 0 C 13.9705627485 0 18 4.02943725152 18 9 C 18 13.9705627485 13.9705627485 18 9 18 C 4.02943725152 18 0 13.9705627485 0 9 C 0 4.02943725152 4.02943725152 0 9 0 Z" />
<path
android:fillColor="@android:color/white"
android:strokeWidth="1"
android:pathData="M 9 0 C 13.9705627485 0 18 4.02943725152 18 9 C 18 13.9705627485 13.9705627485 18 9 18 C 4.02943725152 18 0 13.9705627485 0 9 C 0 4.02943725152 4.02943725152 0 9 0 Z" />
<path
android:fillColor="@android:color/white"
android:strokeWidth="1"
android:pathData="M 9 0 C 13.9705627485 0 18 4.02943725152 18 9 C 18 13.9705627485 13.9705627485 18 9 18 C 4.02943725152 18 0 13.9705627485 0 9 C 0 4.02943725152 4.02943725152 0 9 0 Z" />
<path
android:fillColor="@android:color/black"
android:fillAlpha="0.87"
android:strokeWidth="1"
android:pathData="M 6 10.4123279 L 8.63934949 10.4123279 L 8.63934949 15.6 L 12.5577168 7.84517705 L 9.94547194 7.84517705 L 9.94547194 2 Z" />
</vector>
iconloaderlib/res/values/colors.xml
-21
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@@ -1,21 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2018, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->
<resources>
<color name="legacy_icon_background">#FFFFFF</color>
</resources>
iconloaderlib/res/values/config.xml
-27
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<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2018, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->
<resources>
<!-- Various configurations to control the simple cache implementation -->
<dimen name="default_icon_bitmap_size">56dp</dimen>
<bool name="simple_cache_enable_im_memory">false</bool>
<string name="cache_db_name" translatable="false">app_icons.db</string>
</resources>
iconloaderlib/res/values/dimens.xml
-19
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@@ -1,19 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2018 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<resources>
<dimen name="profile_badge_size">24dp</dimen>
</resources>
iconloaderlib/src/com/android/launcher3/icons/BaseIconFactory.java
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@@ -1,396 +0,0 @@
package com.android.launcher3.icons;
import static android.graphics.Paint.DITHER_FLAG;
import static android.graphics.Paint.FILTER_BITMAP_FLAG;
import static com.android.launcher3.icons.ShadowGenerator.BLUR_FACTOR;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.PaintFlagsDrawFilter;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.AdaptiveIconDrawable;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Process;
import android.os.UserHandle;
import androidx.annotation.NonNull;
/**
* This class will be moved to androidx library. There shouldn't be any dependency outside
* this package.
*/
public class BaseIconFactory implements AutoCloseable {
private static final String TAG = "BaseIconFactory";
private static final int DEFAULT_WRAPPER_BACKGROUND = Color.WHITE;
static final boolean ATLEAST_OREO = Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
static final boolean ATLEAST_P = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
private static final float ICON_BADGE_SCALE = 0.444f;
private final Rect mOldBounds = new Rect();
protected final Context mContext;
private final Canvas mCanvas;
private final PackageManager mPm;
private final ColorExtractor mColorExtractor;
private boolean mDisableColorExtractor;
private boolean mBadgeOnLeft = false;
protected final int mFillResIconDpi;
protected final int mIconBitmapSize;
private IconNormalizer mNormalizer;
private ShadowGenerator mShadowGenerator;
private final boolean mShapeDetection;
private Drawable mWrapperIcon;
private int mWrapperBackgroundColor = DEFAULT_WRAPPER_BACKGROUND;
protected BaseIconFactory(Context context, int fillResIconDpi, int iconBitmapSize,
boolean shapeDetection) {
mContext = context.getApplicationContext();
mShapeDetection = shapeDetection;
mFillResIconDpi = fillResIconDpi;
mIconBitmapSize = iconBitmapSize;
mPm = mContext.getPackageManager();
mColorExtractor = new ColorExtractor();
mCanvas = new Canvas();
mCanvas.setDrawFilter(new PaintFlagsDrawFilter(DITHER_FLAG, FILTER_BITMAP_FLAG));
clear();
}
protected BaseIconFactory(Context context, int fillResIconDpi, int iconBitmapSize) {
this(context, fillResIconDpi, iconBitmapSize, false);
}
protected void clear() {
mWrapperBackgroundColor = DEFAULT_WRAPPER_BACKGROUND;
mDisableColorExtractor = false;
mBadgeOnLeft = false;
}
public ShadowGenerator getShadowGenerator() {
if (mShadowGenerator == null) {
mShadowGenerator = new ShadowGenerator(mIconBitmapSize);
}
return mShadowGenerator;
}
public IconNormalizer getNormalizer() {
if (mNormalizer == null) {
mNormalizer = new IconNormalizer(mContext, mIconBitmapSize, mShapeDetection);
}
return mNormalizer;
}
@SuppressWarnings("deprecation")
public BitmapInfo createIconBitmap(Intent.ShortcutIconResource iconRes) {
try {
Resources resources = mPm.getResourcesForApplication(iconRes.packageName);
if (resources != null) {
final int id = resources.getIdentifier(iconRes.resourceName, null, null);
// do not stamp old legacy shortcuts as the app may have already forgotten about it
return createBadgedIconBitmap(
resources.getDrawableForDensity(id, mFillResIconDpi),
Process.myUserHandle() /* only available on primary user */,
false /* do not apply legacy treatment */);
}
} catch (Exception e) {
// Icon not found.
}
return null;
}
public BitmapInfo createIconBitmap(Bitmap icon) {
if (mIconBitmapSize != icon.getWidth() || mIconBitmapSize != icon.getHeight()) {
icon = createIconBitmap(new BitmapDrawable(mContext.getResources(), icon), 1f);
}
return BitmapInfo.of(icon, extractColor(icon));
}
public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
boolean shrinkNonAdaptiveIcons) {
return createBadgedIconBitmap(icon, user, shrinkNonAdaptiveIcons, false, null);
}
public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
int iconAppTargetSdk) {
return createBadgedIconBitmap(icon, user, iconAppTargetSdk, false);
}
public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
int iconAppTargetSdk, boolean isInstantApp) {
return createBadgedIconBitmap(icon, user, iconAppTargetSdk, isInstantApp, null);
}
public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
int iconAppTargetSdk, boolean isInstantApp, float[] scale) {
boolean shrinkNonAdaptiveIcons = ATLEAST_P ||
(ATLEAST_OREO && iconAppTargetSdk >= Build.VERSION_CODES.O);
return createBadgedIconBitmap(icon, user, shrinkNonAdaptiveIcons, isInstantApp, scale);
}
public Bitmap createScaledBitmapWithoutShadow(Drawable icon, int iconAppTargetSdk) {
boolean shrinkNonAdaptiveIcons = ATLEAST_P ||
(ATLEAST_OREO && iconAppTargetSdk >= Build.VERSION_CODES.O);
return createScaledBitmapWithoutShadow(icon, shrinkNonAdaptiveIcons);
}
/**
* Creates bitmap using the source drawable and various parameters.
* The bitmap is visually normalized with other icons and has enough spacing to add shadow.
*
* @param icon source of the icon
* @param user info can be used for a badge
* @param shrinkNonAdaptiveIcons {@code true} if non adaptive icons should be treated
* @param isInstantApp info can be used for a badge
* @param scale returns the scale result from normalization
* @return a bitmap suitable for disaplaying as an icon at various system UIs.
*/
public BitmapInfo createBadgedIconBitmap(@NonNull Drawable icon, UserHandle user,
boolean shrinkNonAdaptiveIcons, boolean isInstantApp, float[] scale) {
if (scale == null) {
scale = new float[1];
}
icon = normalizeAndWrapToAdaptiveIcon(icon, shrinkNonAdaptiveIcons, null, scale);
Bitmap bitmap = createIconBitmap(icon, scale[0]);
if (ATLEAST_OREO && icon instanceof AdaptiveIconDrawable) {
mCanvas.setBitmap(bitmap);
getShadowGenerator().recreateIcon(Bitmap.createBitmap(bitmap), mCanvas);
mCanvas.setBitmap(null);
}
if (isInstantApp) {
badgeWithDrawable(bitmap, mContext.getDrawable(R.drawable.ic_instant_app_badge));
}
if (user != null) {
BitmapDrawable drawable = new FixedSizeBitmapDrawable(bitmap);
Drawable badged = mPm.getUserBadgedIcon(drawable, user);
if (badged instanceof BitmapDrawable) {
bitmap = ((BitmapDrawable) badged).getBitmap();
} else {
bitmap = createIconBitmap(badged, 1f);
}
}
int color = extractColor(bitmap);
return icon instanceof BitmapInfo.Extender
? ((BitmapInfo.Extender) icon).getExtendedInfo(bitmap, color, this)
: BitmapInfo.of(bitmap, color);
}
public Bitmap createScaledBitmapWithoutShadow(Drawable icon, boolean shrinkNonAdaptiveIcons) {
RectF iconBounds = new RectF();
float[] scale = new float[1];
icon = normalizeAndWrapToAdaptiveIcon(icon, shrinkNonAdaptiveIcons, iconBounds, scale);
return createIconBitmap(icon,
Math.min(scale[0], ShadowGenerator.getScaleForBounds(iconBounds)));
}
/**
* Switches badging to left/right
*/
public void setBadgeOnLeft(boolean badgeOnLeft) {
mBadgeOnLeft = badgeOnLeft;
}
/**
* Sets the background color used for wrapped adaptive icon
*/
public void setWrapperBackgroundColor(int color) {
mWrapperBackgroundColor = (Color.alpha(color) < 255) ? DEFAULT_WRAPPER_BACKGROUND : color;
}
/**
* Disables the dominant color extraction for all icons loaded.
*/
public void disableColorExtraction() {
mDisableColorExtractor = true;
}
private Drawable normalizeAndWrapToAdaptiveIcon(@NonNull Drawable icon,
boolean shrinkNonAdaptiveIcons, RectF outIconBounds, float[] outScale) {
if (icon == null) {
return null;
}
float scale = 1f;
if (shrinkNonAdaptiveIcons && ATLEAST_OREO) {
if (mWrapperIcon == null) {
mWrapperIcon = mContext.getDrawable(R.drawable.adaptive_icon_drawable_wrapper)
.mutate();
}
AdaptiveIconDrawable dr = (AdaptiveIconDrawable) mWrapperIcon;
dr.setBounds(0, 0, 1, 1);
boolean[] outShape = new boolean[1];
scale = getNormalizer().getScale(icon, outIconBounds, dr.getIconMask(), outShape);
if (!(icon instanceof AdaptiveIconDrawable) && !outShape[0]) {
FixedScaleDrawable fsd = ((FixedScaleDrawable) dr.getForeground());
fsd.setDrawable(icon);
fsd.setScale(scale);
icon = dr;
scale = getNormalizer().getScale(icon, outIconBounds, null, null);
((ColorDrawable) dr.getBackground()).setColor(mWrapperBackgroundColor);
}
} else {
scale = getNormalizer().getScale(icon, outIconBounds, null, null);
}
outScale[0] = scale;
return icon;
}
/**
* Adds the {@param badge} on top of {@param target} using the badge dimensions.
*/
public void badgeWithDrawable(Bitmap target, Drawable badge) {
mCanvas.setBitmap(target);
badgeWithDrawable(mCanvas, badge);
mCanvas.setBitmap(null);
}
/**
* Adds the {@param badge} on top of {@param target} using the badge dimensions.
*/
public void badgeWithDrawable(Canvas target, Drawable badge) {
int badgeSize = getBadgeSizeForIconSize(mIconBitmapSize);
if (mBadgeOnLeft) {
badge.setBounds(0, mIconBitmapSize - badgeSize, badgeSize, mIconBitmapSize);
} else {
badge.setBounds(mIconBitmapSize - badgeSize, mIconBitmapSize - badgeSize,
mIconBitmapSize, mIconBitmapSize);
}
badge.draw(target);
}
private Bitmap createIconBitmap(Drawable icon, float scale) {
return createIconBitmap(icon, scale, mIconBitmapSize);
}
/**
* @param icon drawable that should be flattened to a bitmap
* @param scale the scale to apply before drawing {@param icon} on the canvas
*/
public Bitmap createIconBitmap(@NonNull Drawable icon, float scale, int size) {
Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
if (icon == null) {
return bitmap;
}
mCanvas.setBitmap(bitmap);
mOldBounds.set(icon.getBounds());
if (ATLEAST_OREO && icon instanceof AdaptiveIconDrawable) {
int offset = Math.max((int) Math.ceil(BLUR_FACTOR * size),
Math.round(size * (1 - scale) / 2 ));
icon.setBounds(offset, offset, size - offset, size - offset);
icon.draw(mCanvas);
} else {
if (icon instanceof BitmapDrawable) {
BitmapDrawable bitmapDrawable = (BitmapDrawable) icon;
Bitmap b = bitmapDrawable.getBitmap();
if (bitmap != null && b.getDensity() == Bitmap.DENSITY_NONE) {
bitmapDrawable.setTargetDensity(mContext.getResources().getDisplayMetrics());
}
}
int width = size;
int height = size;
int intrinsicWidth = icon.getIntrinsicWidth();
int intrinsicHeight = icon.getIntrinsicHeight();
if (intrinsicWidth > 0 && intrinsicHeight > 0) {
// Scale the icon proportionally to the icon dimensions
final float ratio = (float) intrinsicWidth / intrinsicHeight;
if (intrinsicWidth > intrinsicHeight) {
height = (int) (width / ratio);
} else if (intrinsicHeight > intrinsicWidth) {
width = (int) (height * ratio);
}
}
final int left = (size - width) / 2;
final int top = (size - height) / 2;
icon.setBounds(left, top, left + width, top + height);
mCanvas.save();
mCanvas.scale(scale, scale, size / 2, size / 2);
icon.draw(mCanvas);
mCanvas.restore();
}
icon.setBounds(mOldBounds);
mCanvas.setBitmap(null);
return bitmap;
}
@Override
public void close() {
clear();
}
public BitmapInfo makeDefaultIcon(UserHandle user) {
return createBadgedIconBitmap(getFullResDefaultActivityIcon(mFillResIconDpi),
user, Build.VERSION.SDK_INT);
}
public static Drawable getFullResDefaultActivityIcon(int iconDpi) {
return Resources.getSystem().getDrawableForDensity(
Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
? android.R.drawable.sym_def_app_icon : android.R.mipmap.sym_def_app_icon,
iconDpi);
}
/**
* Badges the provided source with the badge info
*/
public BitmapInfo badgeBitmap(Bitmap source, BitmapInfo badgeInfo) {
Bitmap icon = BitmapRenderer.createHardwareBitmap(mIconBitmapSize, mIconBitmapSize, (c) -> {
getShadowGenerator().recreateIcon(source, c);
badgeWithDrawable(c, new FixedSizeBitmapDrawable(badgeInfo.icon));
});
return BitmapInfo.of(icon, badgeInfo.color);
}
private int extractColor(Bitmap bitmap) {
return mDisableColorExtractor ? 0 : mColorExtractor.findDominantColorByHue(bitmap);
}
/**
* Returns the correct badge size given an icon size
*/
public static int getBadgeSizeForIconSize(int iconSize) {
return (int) (ICON_BADGE_SCALE * iconSize);
}
/**
* An extension of {@link BitmapDrawable} which returns the bitmap pixel size as intrinsic size.
* This allows the badging to be done based on the action bitmap size rather than
* the scaled bitmap size.
*/
private static class FixedSizeBitmapDrawable extends BitmapDrawable {
public FixedSizeBitmapDrawable(Bitmap bitmap) {
super(null, bitmap);
}
@Override
public int getIntrinsicHeight() {
return getBitmap().getWidth();
}
@Override
public int getIntrinsicWidth() {
return getBitmap().getWidth();
}
}
}
iconloaderlib/src/com/android/launcher3/icons/BitmapInfo.java
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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import androidx.annotation.NonNull;
public class BitmapInfo {
public static final Bitmap LOW_RES_ICON = Bitmap.createBitmap(1, 1, Config.ALPHA_8);
public static final BitmapInfo LOW_RES_INFO = fromBitmap(LOW_RES_ICON);
public final Bitmap icon;
public final int color;
public BitmapInfo(Bitmap icon, int color) {
this.icon = icon;
this.color = color;
}
/**
* Ideally icon should not be null, except in cases when generating hardware bitmap failed
*/
public final boolean isNullOrLowRes() {
return icon == null || icon == LOW_RES_ICON;
}
public final boolean isLowRes() {
return LOW_RES_ICON == icon;
}
public static BitmapInfo fromBitmap(@NonNull Bitmap bitmap) {
return of(bitmap, 0);
}
public static BitmapInfo of(@NonNull Bitmap bitmap, int color) {
return new BitmapInfo(bitmap, color);
}
/**
* Interface to be implemented by drawables to provide a custom BitmapInfo
*/
public interface Extender {
/**
* Called for creating a custom BitmapInfo
*/
default BitmapInfo getExtendedInfo(Bitmap bitmap, int color, BaseIconFactory iconFactory) {
return BitmapInfo.of(bitmap, color);
}
/**
* Notifies the drawable that it will be drawn directly in the UI, without any preprocessing
*/
default void prepareToDrawOnUi() { }
}
}
iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java
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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import android.annotation.TargetApi;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Picture;
import android.graphics.Rect;
import android.graphics.RectF;
import android.os.Build;
import android.os.Build.VERSION_CODES;
/**
* Interface representing a bitmap draw operation.
*/
public interface BitmapRenderer {
boolean USE_HARDWARE_BITMAP = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
static Bitmap createSoftwareBitmap(int width, int height, BitmapRenderer renderer) {
GraphicsUtils.noteNewBitmapCreated();
Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
renderer.draw(new Canvas(result));
return result;
}
@TargetApi(Build.VERSION_CODES.P)
static Bitmap createHardwareBitmap(int width, int height, BitmapRenderer renderer) {
if (!USE_HARDWARE_BITMAP) {
return createSoftwareBitmap(width, height, renderer);
}
GraphicsUtils.noteNewBitmapCreated();
Picture picture = new Picture();
renderer.draw(picture.beginRecording(width, height));
picture.endRecording();
return Bitmap.createBitmap(picture);
}
/**
* Returns a bitmap from subset of the source bitmap. The new bitmap may be the
* same object as source, or a copy may have been made.
*/
static Bitmap createBitmap(Bitmap source, int x, int y, int width, int height) {
if (Build.VERSION.SDK_INT >= VERSION_CODES.O && source.getConfig() == Config.HARDWARE) {
return createHardwareBitmap(width, height, c -> c.drawBitmap(source,
new Rect(x, y, x + width, y + height), new RectF(0, 0, width, height), null));
} else {
GraphicsUtils.noteNewBitmapCreated();
return Bitmap.createBitmap(source, x, y, width, height);
}
}
void draw(Canvas out);
}
iconloaderlib/src/com/android/launcher3/icons/ColorExtractor.java
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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.util.SparseArray;
import java.util.Arrays;
/**
* Utility class for extracting colors from a bitmap.
*/
public class ColorExtractor {
private final int NUM_SAMPLES = 20;
private final float[] mTmpHsv = new float[3];
private final float[] mTmpHueScoreHistogram = new float[360];
private final int[] mTmpPixels = new int[NUM_SAMPLES];
private final SparseArray<Float> mTmpRgbScores = new SparseArray<>();
/**
* This picks a dominant color, looking for high-saturation, high-value, repeated hues.
* @param bitmap The bitmap to scan
*/
public int findDominantColorByHue(Bitmap bitmap) {
return findDominantColorByHue(bitmap, NUM_SAMPLES);
}
/**
* This picks a dominant color, looking for high-saturation, high-value, repeated hues.
* @param bitmap The bitmap to scan
*/
public int findDominantColorByHue(Bitmap bitmap, int samples) {
final int height = bitmap.getHeight();
final int width = bitmap.getWidth();
int sampleStride = (int) Math.sqrt((height * width) / samples);
if (sampleStride < 1) {
sampleStride = 1;
}
// This is an out-param, for getting the hsv values for an rgb
float[] hsv = mTmpHsv;
Arrays.fill(hsv, 0);
// First get the best hue, by creating a histogram over 360 hue buckets,
// where each pixel contributes a score weighted by saturation, value, and alpha.
float[] hueScoreHistogram = mTmpHueScoreHistogram;
Arrays.fill(hueScoreHistogram, 0);
float highScore = -1;
int bestHue = -1;
int[] pixels = mTmpPixels;
Arrays.fill(pixels, 0);
int pixelCount = 0;
for (int y = 0; y < height; y += sampleStride) {
for (int x = 0; x < width; x += sampleStride) {
int argb = bitmap.getPixel(x, y);
int alpha = 0xFF & (argb >> 24);
if (alpha < 0x80) {
// Drop mostly-transparent pixels.
continue;
}
// Remove the alpha channel.
int rgb = argb | 0xFF000000;
Color.colorToHSV(rgb, hsv);
// Bucket colors by the 360 integer hues.
int hue = (int) hsv[0];
if (hue < 0 || hue >= hueScoreHistogram.length) {
// Defensively avoid array bounds violations.
continue;
}
if (pixelCount < samples) {
pixels[pixelCount++] = rgb;
}
float score = hsv[1] * hsv[2];
hueScoreHistogram[hue] += score;
if (hueScoreHistogram[hue] > highScore) {
highScore = hueScoreHistogram[hue];
bestHue = hue;
}
}
}
SparseArray<Float> rgbScores = mTmpRgbScores;
rgbScores.clear();
int bestColor = 0xff000000;
highScore = -1;
// Go back over the RGB colors that match the winning hue,
// creating a histogram of weighted s*v scores, for up to 100*100 [s,v] buckets.
// The highest-scoring RGB color wins.
for (int i = 0; i < pixelCount; i++) {
int rgb = pixels[i];
Color.colorToHSV(rgb, hsv);
int hue = (int) hsv[0];
if (hue == bestHue) {
float s = hsv[1];
float v = hsv[2];
int bucket = (int) (s * 100) + (int) (v * 10000);
// Score by cumulative saturation * value.
float score = s * v;
Float oldTotal = rgbScores.get(bucket);
float newTotal = oldTotal == null ? score : oldTotal + score;
rgbScores.put(bucket, newTotal);
if (newTotal > highScore) {
highScore = newTotal;
// All the colors in the winning bucket are very similar. Last in wins.
bestColor = rgb;
}
}
}
return bestColor;
}
}
iconloaderlib/src/com/android/launcher3/icons/DotRenderer.java
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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import static android.graphics.Paint.ANTI_ALIAS_FLAG;
import static android.graphics.Paint.FILTER_BITMAP_FLAG;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PathMeasure;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.Log;
import android.view.ViewDebug;
/**
* Used to draw a notification dot on top of an icon.
*/
public class DotRenderer {
private static final String TAG = "DotRenderer";
// The dot size is defined as a percentage of the app icon size.
private static final float SIZE_PERCENTAGE = 0.228f;
private final float mCircleRadius;
private final Paint mCirclePaint = new Paint(ANTI_ALIAS_FLAG | FILTER_BITMAP_FLAG);
private final Bitmap mBackgroundWithShadow;
private final float mBitmapOffset;
// Stores the center x and y position as a percentage (0 to 1) of the icon size
private final float[] mRightDotPosition;
private final float[] mLeftDotPosition;
public DotRenderer(int iconSizePx, Path iconShapePath, int pathSize) {
int size = Math.round(SIZE_PERCENTAGE * iconSizePx);
ShadowGenerator.Builder builder = new ShadowGenerator.Builder(Color.TRANSPARENT);
builder.ambientShadowAlpha = 88;
mBackgroundWithShadow = builder.setupBlurForSize(size).createPill(size, size);
mCircleRadius = builder.radius;
mBitmapOffset = -mBackgroundWithShadow.getHeight() * 0.5f; // Same as width.
// Find the points on the path that are closest to the top left and right corners.
mLeftDotPosition = getPathPoint(iconShapePath, pathSize, -1);
mRightDotPosition = getPathPoint(iconShapePath, pathSize, 1);
}
private static float[] getPathPoint(Path path, float size, float direction) {
float halfSize = size / 2;
// Small delta so that we don't get a zero size triangle
float delta = 1;
float x = halfSize + direction * halfSize;
Path trianglePath = new Path();
trianglePath.moveTo(halfSize, halfSize);
trianglePath.lineTo(x + delta * direction, 0);
trianglePath.lineTo(x, -delta);
trianglePath.close();
trianglePath.op(path, Path.Op.INTERSECT);
float[] pos = new float[2];
new PathMeasure(trianglePath, false).getPosTan(0, pos, null);
pos[0] = pos[0] / size;
pos[1] = pos[1] / size;
return pos;
}
public float[] getLeftDotPosition() {
return mLeftDotPosition;
}
public float[] getRightDotPosition() {
return mRightDotPosition;
}
/**
* Draw a circle on top of the canvas according to the given params.
*/
public void draw(Canvas canvas, DrawParams params) {
if (params == null) {
Log.e(TAG, "Invalid null argument(s) passed in call to draw.");
return;
}
canvas.save();
Rect iconBounds = params.iconBounds;
float[] dotPosition = params.leftAlign ? mLeftDotPosition : mRightDotPosition;
float dotCenterX = iconBounds.left + iconBounds.width() * dotPosition[0];
float dotCenterY = iconBounds.top + iconBounds.height() * dotPosition[1];
// Ensure dot fits entirely in canvas clip bounds.
Rect canvasBounds = canvas.getClipBounds();
float offsetX = params.leftAlign
? Math.max(0, canvasBounds.left - (dotCenterX + mBitmapOffset))
: Math.min(0, canvasBounds.right - (dotCenterX - mBitmapOffset));
float offsetY = Math.max(0, canvasBounds.top - (dotCenterY + mBitmapOffset));
// We draw the dot relative to its center.
canvas.translate(dotCenterX + offsetX, dotCenterY + offsetY);
canvas.scale(params.scale, params.scale);
mCirclePaint.setColor(Color.BLACK);
canvas.drawBitmap(mBackgroundWithShadow, mBitmapOffset, mBitmapOffset, mCirclePaint);
mCirclePaint.setColor(params.color);
canvas.drawCircle(0, 0, mCircleRadius, mCirclePaint);
canvas.restore();
}
public static class DrawParams {
/** The color (possibly based on the icon) to use for the dot. */
@ViewDebug.ExportedProperty(category = "notification dot", formatToHexString = true)
public int color;
/** The bounds of the icon that the dot is drawn on top of. */
@ViewDebug.ExportedProperty(category = "notification dot")
public Rect iconBounds = new Rect();
/** The progress of the animation, from 0 to 1. */
@ViewDebug.ExportedProperty(category = "notification dot")
public float scale;
/** Whether the dot should align to the top left of the icon rather than the top right. */
@ViewDebug.ExportedProperty(category = "notification dot")
public boolean leftAlign;
}
}
iconloaderlib/src/com/android/launcher3/icons/FixedScaleDrawable.java
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package com.android.launcher3.icons;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.graphics.Canvas;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.DrawableWrapper;
import android.util.AttributeSet;
import org.xmlpull.v1.XmlPullParser;
/**
* Extension of {@link DrawableWrapper} which scales the child drawables by a fixed amount.
*/
public class FixedScaleDrawable extends DrawableWrapper {
// TODO b/33553066 use the constant defined in MaskableIconDrawable
private static final float LEGACY_ICON_SCALE = .7f * .6667f;
private float mScaleX, mScaleY;
public FixedScaleDrawable() {
super(new ColorDrawable());
mScaleX = LEGACY_ICON_SCALE;
mScaleY = LEGACY_ICON_SCALE;
}
@Override
public void draw(Canvas canvas) {
int saveCount = canvas.save();
canvas.scale(mScaleX, mScaleY,
getBounds().exactCenterX(), getBounds().exactCenterY());
super.draw(canvas);
canvas.restoreToCount(saveCount);
}
@Override
public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs) { }
@Override
public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs, Theme theme) { }
public void setScale(float scale) {
float h = getIntrinsicHeight();
float w = getIntrinsicWidth();
mScaleX = scale * LEGACY_ICON_SCALE;
mScaleY = scale * LEGACY_ICON_SCALE;
if (h > w && w > 0) {
mScaleX *= w / h;
} else if (w > h && h > 0) {
mScaleY *= h / w;
}
}
}
iconloaderlib/src/com/android/launcher3/icons/GraphicsUtils.java
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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.Region;
import android.graphics.RegionIterator;
import android.util.Log;
import androidx.annotation.ColorInt;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
public class GraphicsUtils {
private static final String TAG = "GraphicsUtils";
public static Runnable sOnNewBitmapRunnable = () -> { };
/**
* Set the alpha component of {@code color} to be {@code alpha}. Unlike the support lib version,
* it bounds the alpha in valid range instead of throwing an exception to allow for safer
* interpolation of color animations
*/
@ColorInt
public static int setColorAlphaBound(int color, int alpha) {
if (alpha < 0) {
alpha = 0;
} else if (alpha > 255) {
alpha = 255;
}
return (color & 0x00ffffff) | (alpha << 24);
}
/**
* Compresses the bitmap to a byte array for serialization.
*/
public static byte[] flattenBitmap(Bitmap bitmap) {
// Try go guesstimate how much space the icon will take when serialized
// to avoid unnecessary allocations/copies during the write (4 bytes per pixel).
int size = bitmap.getWidth() * bitmap.getHeight() * 4;
ByteArrayOutputStream out = new ByteArrayOutputStream(size);
try {
bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
out.flush();
out.close();
return out.toByteArray();
} catch (IOException e) {
Log.w(TAG, "Could not write bitmap");
return null;
}
}
public static int getArea(Region r) {
RegionIterator itr = new RegionIterator(r);
int area = 0;
Rect tempRect = new Rect();
while (itr.next(tempRect)) {
area += tempRect.width() * tempRect.height();
}
return area;
}
/**
* Utility method to track new bitmap creation
*/
public static void noteNewBitmapCreated() {
sOnNewBitmapRunnable.run();
}
}
iconloaderlib/src/com/android/launcher3/icons/IconNormalizer.java
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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Region;
import android.graphics.drawable.AdaptiveIconDrawable;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.Log;
import java.nio.ByteBuffer;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
public class IconNormalizer {
private static final String TAG = "IconNormalizer";
private static final boolean DEBUG = false;
// Ratio of icon visible area to full icon size for a square shaped icon
private static final float MAX_SQUARE_AREA_FACTOR = 375.0f / 576;
// Ratio of icon visible area to full icon size for a circular shaped icon
private static final float MAX_CIRCLE_AREA_FACTOR = 380.0f / 576;
private static final float CIRCLE_AREA_BY_RECT = (float) Math.PI / 4;
// Slope used to calculate icon visible area to full icon size for any generic shaped icon.
private static final float LINEAR_SCALE_SLOPE =
(MAX_CIRCLE_AREA_FACTOR - MAX_SQUARE_AREA_FACTOR) / (1 - CIRCLE_AREA_BY_RECT);
private static final int MIN_VISIBLE_ALPHA = 40;
// Shape detection related constants
private static final float BOUND_RATIO_MARGIN = .05f;
private static final float PIXEL_DIFF_PERCENTAGE_THRESHOLD = 0.005f;
private static final float SCALE_NOT_INITIALIZED = 0;
// Ratio of the diameter of an normalized circular icon to the actual icon size.
public static final float ICON_VISIBLE_AREA_FACTOR = 0.92f;
private final int mMaxSize;
private final Bitmap mBitmap;
private final Canvas mCanvas;
private final Paint mPaintMaskShape;
private final Paint mPaintMaskShapeOutline;
private final byte[] mPixels;
private final RectF mAdaptiveIconBounds;
private float mAdaptiveIconScale;
private boolean mEnableShapeDetection;
// for each y, stores the position of the leftmost x and the rightmost x
private final float[] mLeftBorder;
private final float[] mRightBorder;
private final Rect mBounds;
private final Path mShapePath;
private final Matrix mMatrix;
/** package private **/
IconNormalizer(Context context, int iconBitmapSize, boolean shapeDetection) {
// Use twice the icon size as maximum size to avoid scaling down twice.
mMaxSize = iconBitmapSize * 2;
mBitmap = Bitmap.createBitmap(mMaxSize, mMaxSize, Bitmap.Config.ALPHA_8);
mCanvas = new Canvas(mBitmap);
mPixels = new byte[mMaxSize * mMaxSize];
mLeftBorder = new float[mMaxSize];
mRightBorder = new float[mMaxSize];
mBounds = new Rect();
mAdaptiveIconBounds = new RectF();
mPaintMaskShape = new Paint();
mPaintMaskShape.setColor(Color.RED);
mPaintMaskShape.setStyle(Paint.Style.FILL);
mPaintMaskShape.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.XOR));
mPaintMaskShapeOutline = new Paint();
mPaintMaskShapeOutline.setStrokeWidth(
2 * context.getResources().getDisplayMetrics().density);
mPaintMaskShapeOutline.setStyle(Paint.Style.STROKE);
mPaintMaskShapeOutline.setColor(Color.BLACK);
mPaintMaskShapeOutline.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
mShapePath = new Path();
mMatrix = new Matrix();
mAdaptiveIconScale = SCALE_NOT_INITIALIZED;
mEnableShapeDetection = shapeDetection;
}
private static float getScale(float hullArea, float boundingArea, float fullArea) {
float hullByRect = hullArea / boundingArea;
float scaleRequired;
if (hullByRect < CIRCLE_AREA_BY_RECT) {
scaleRequired = MAX_CIRCLE_AREA_FACTOR;
} else {
scaleRequired = MAX_SQUARE_AREA_FACTOR + LINEAR_SCALE_SLOPE * (1 - hullByRect);
}
float areaScale = hullArea / fullArea;
// Use sqrt of the final ratio as the images is scaled across both width and height.
return areaScale > scaleRequired ? (float) Math.sqrt(scaleRequired / areaScale) : 1;
}
/**
* @param d Should be AdaptiveIconDrawable
* @param size Canvas size to use
*/
@TargetApi(Build.VERSION_CODES.O)
public static float normalizeAdaptiveIcon(Drawable d, int size, @Nullable RectF outBounds) {
Rect tmpBounds = new Rect(d.getBounds());
d.setBounds(0, 0, size, size);
Path path = ((AdaptiveIconDrawable) d).getIconMask();
Region region = new Region();
region.setPath(path, new Region(0, 0, size, size));
Rect hullBounds = region.getBounds();
int hullArea = GraphicsUtils.getArea(region);
if (outBounds != null) {
float sizeF = size;
outBounds.set(
hullBounds.left / sizeF,
hullBounds.top / sizeF,
1 - (hullBounds.right / sizeF),
1 - (hullBounds.bottom / sizeF));
}
d.setBounds(tmpBounds);
return getScale(hullArea, hullArea, size * size);
}
/**
* Returns if the shape of the icon is same as the path.
* For this method to work, the shape path bounds should be in [0,1]x[0,1] bounds.
*/
private boolean isShape(Path maskPath) {
// Condition1:
// If width and height of the path not close to a square, then the icon shape is
// not same as the mask shape.
float iconRatio = ((float) mBounds.width()) / mBounds.height();
if (Math.abs(iconRatio - 1) > BOUND_RATIO_MARGIN) {
if (DEBUG) {
Log.d(TAG, "Not same as mask shape because width != height. " + iconRatio);
}
return false;
}
// Condition 2:
// Actual icon (white) and the fitted shape (e.g., circle)(red) XOR operation
// should generate transparent image, if the actual icon is equivalent to the shape.
// Fit the shape within the icon's bounding box
mMatrix.reset();
mMatrix.setScale(mBounds.width(), mBounds.height());
mMatrix.postTranslate(mBounds.left, mBounds.top);
maskPath.transform(mMatrix, mShapePath);
// XOR operation
mCanvas.drawPath(mShapePath, mPaintMaskShape);
// DST_OUT operation around the mask path outline
mCanvas.drawPath(mShapePath, mPaintMaskShapeOutline);
// Check if the result is almost transparent
return isTransparentBitmap();
}
/**
* Used to determine if certain the bitmap is transparent.
*/
private boolean isTransparentBitmap() {
ByteBuffer buffer = ByteBuffer.wrap(mPixels);
buffer.rewind();
mBitmap.copyPixelsToBuffer(buffer);
int y = mBounds.top;
// buffer position
int index = y * mMaxSize;
// buffer shift after every row, width of buffer = mMaxSize
int rowSizeDiff = mMaxSize - mBounds.right;
int sum = 0;
for (; y < mBounds.bottom; y++) {
index += mBounds.left;
for (int x = mBounds.left; x < mBounds.right; x++) {
if ((mPixels[index] & 0xFF) > MIN_VISIBLE_ALPHA) {
sum++;
}
index++;
}
index += rowSizeDiff;
}
float percentageDiffPixels = ((float) sum) / (mBounds.width() * mBounds.height());
return percentageDiffPixels < PIXEL_DIFF_PERCENTAGE_THRESHOLD;
}
/**
* Returns the amount by which the {@param d} should be scaled (in both dimensions) so that it
* matches the design guidelines for a launcher icon.
*
* We first calculate the convex hull of the visible portion of the icon.
* This hull then compared with the bounding rectangle of the hull to find how closely it
* resembles a circle and a square, by comparing the ratio of the areas. Note that this is not an
* ideal solution but it gives satisfactory result without affecting the performance.
*
* This closeness is used to determine the ratio of hull area to the full icon size.
* Refer {@link #MAX_CIRCLE_AREA_FACTOR} and {@link #MAX_SQUARE_AREA_FACTOR}
*
* @param outBounds optional rect to receive the fraction distance from each edge.
*/
public synchronized float getScale(@NonNull Drawable d, @Nullable RectF outBounds,
@Nullable Path path, @Nullable boolean[] outMaskShape) {
if (BaseIconFactory.ATLEAST_OREO && d instanceof AdaptiveIconDrawable) {
if (mAdaptiveIconScale == SCALE_NOT_INITIALIZED) {
mAdaptiveIconScale = normalizeAdaptiveIcon(d, mMaxSize, mAdaptiveIconBounds);
}
if (outBounds != null) {
outBounds.set(mAdaptiveIconBounds);
}
return mAdaptiveIconScale;
}
int width = d.getIntrinsicWidth();
int height = d.getIntrinsicHeight();
if (width <= 0 || height <= 0) {
width = width <= 0 || width > mMaxSize ? mMaxSize : width;
height = height <= 0 || height > mMaxSize ? mMaxSize : height;
} else if (width > mMaxSize || height > mMaxSize) {
int max = Math.max(width, height);
width = mMaxSize * width / max;
height = mMaxSize * height / max;
}
mBitmap.eraseColor(Color.TRANSPARENT);
d.setBounds(0, 0, width, height);
d.draw(mCanvas);
ByteBuffer buffer = ByteBuffer.wrap(mPixels);
buffer.rewind();
mBitmap.copyPixelsToBuffer(buffer);
// Overall bounds of the visible icon.
int topY = -1;
int bottomY = -1;
int leftX = mMaxSize + 1;
int rightX = -1;
// Create border by going through all pixels one row at a time and for each row find
// the first and the last non-transparent pixel. Set those values to mLeftBorder and
// mRightBorder and use -1 if there are no visible pixel in the row.
// buffer position
int index = 0;
// buffer shift after every row, width of buffer = mMaxSize
int rowSizeDiff = mMaxSize - width;
// first and last position for any row.
int firstX, lastX;
for (int y = 0; y < height; y++) {
firstX = lastX = -1;
for (int x = 0; x < width; x++) {
if ((mPixels[index] & 0xFF) > MIN_VISIBLE_ALPHA) {
if (firstX == -1) {
firstX = x;
}
lastX = x;
}
index++;
}
index += rowSizeDiff;
mLeftBorder[y] = firstX;
mRightBorder[y] = lastX;
// If there is at least one visible pixel, update the overall bounds.
if (firstX != -1) {
bottomY = y;
if (topY == -1) {
topY = y;
}
leftX = Math.min(leftX, firstX);
rightX = Math.max(rightX, lastX);
}
}
if (topY == -1 || rightX == -1) {
// No valid pixels found. Do not scale.
return 1;
}
convertToConvexArray(mLeftBorder, 1, topY, bottomY);
convertToConvexArray(mRightBorder, -1, topY, bottomY);
// Area of the convex hull
float area = 0;
for (int y = 0; y < height; y++) {
if (mLeftBorder[y] <= -1) {
continue;
}
area += mRightBorder[y] - mLeftBorder[y] + 1;
}
mBounds.left = leftX;
mBounds.right = rightX;
mBounds.top = topY;
mBounds.bottom = bottomY;
if (outBounds != null) {
outBounds.set(((float) mBounds.left) / width, ((float) mBounds.top) / height,
1 - ((float) mBounds.right) / width,
1 - ((float) mBounds.bottom) / height);
}
if (outMaskShape != null && mEnableShapeDetection && outMaskShape.length > 0) {
outMaskShape[0] = isShape(path);
}
// Area of the rectangle required to fit the convex hull
float rectArea = (bottomY + 1 - topY) * (rightX + 1 - leftX);
return getScale(area, rectArea, width * height);
}
/**
* Modifies {@param xCoordinates} to represent a convex border. Fills in all missing values
* (except on either ends) with appropriate values.
* @param xCoordinates map of x coordinate per y.
* @param direction 1 for left border and -1 for right border.
* @param topY the first Y position (inclusive) with a valid value.
* @param bottomY the last Y position (inclusive) with a valid value.
*/
private static void convertToConvexArray(
float[] xCoordinates, int direction, int topY, int bottomY) {
int total = xCoordinates.length;
// The tangent at each pixel.
float[] angles = new float[total - 1];
int first = topY; // First valid y coordinate
int last = -1; // Last valid y coordinate which didn't have a missing value
float lastAngle = Float.MAX_VALUE;
for (int i = topY + 1; i <= bottomY; i++) {
if (xCoordinates[i] <= -1) {
continue;
}
int start;
if (lastAngle == Float.MAX_VALUE) {
start = first;
} else {
float currentAngle = (xCoordinates[i] - xCoordinates[last]) / (i - last);
start = last;
// If this position creates a concave angle, keep moving up until we find a
// position which creates a convex angle.
if ((currentAngle - lastAngle) * direction < 0) {
while (start > first) {
start --;
currentAngle = (xCoordinates[i] - xCoordinates[start]) / (i - start);
if ((currentAngle - angles[start]) * direction >= 0) {
break;
}
}
}
}
// Reset from last check
lastAngle = (xCoordinates[i] - xCoordinates[start]) / (i - start);
// Update all the points from start.
for (int j = start; j < i; j++) {
angles[j] = lastAngle;
xCoordinates[j] = xCoordinates[start] + lastAngle * (j - start);
}
last = i;
}
}
/**
* @return The diameter of the normalized circle that fits inside of the square (size x size).
*/
public static int getNormalizedCircleSize(int size) {
float area = size * size * MAX_CIRCLE_AREA_FACTOR;
return (int) Math.round(Math.sqrt((4 * area) / Math.PI));
}
}
iconloaderlib/src/com/android/launcher3/icons/ShadowGenerator.java
-167
View File
@@ -1,167 +0,0 @@
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.BlurMaskFilter.Blur;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
/**
* Utility class to add shadows to bitmaps.
*/
public class ShadowGenerator {
public static final float BLUR_FACTOR = 0.5f/48;
// Percent of actual icon size
public static final float KEY_SHADOW_DISTANCE = 1f/48;
private static final int KEY_SHADOW_ALPHA = 61;
// Percent of actual icon size
private static final float HALF_DISTANCE = 0.5f;
private static final int AMBIENT_SHADOW_ALPHA = 30;
private final int mIconSize;
private final Paint mBlurPaint;
private final Paint mDrawPaint;
private final BlurMaskFilter mDefaultBlurMaskFilter;
public ShadowGenerator(int iconSize) {
mIconSize = iconSize;
mBlurPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
mDrawPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
mDefaultBlurMaskFilter = new BlurMaskFilter(mIconSize * BLUR_FACTOR, Blur.NORMAL);
}
public synchronized void recreateIcon(Bitmap icon, Canvas out) {
recreateIcon(icon, mDefaultBlurMaskFilter, AMBIENT_SHADOW_ALPHA, KEY_SHADOW_ALPHA, out);
}
public synchronized void recreateIcon(Bitmap icon, BlurMaskFilter blurMaskFilter,
int ambientAlpha, int keyAlpha, Canvas out) {
int[] offset = new int[2];
mBlurPaint.setMaskFilter(blurMaskFilter);
Bitmap shadow = icon.extractAlpha(mBlurPaint, offset);
// Draw ambient shadow
mDrawPaint.setAlpha(ambientAlpha);
out.drawBitmap(shadow, offset[0], offset[1], mDrawPaint);
// Draw key shadow
mDrawPaint.setAlpha(keyAlpha);
out.drawBitmap(shadow, offset[0], offset[1] + KEY_SHADOW_DISTANCE * mIconSize, mDrawPaint);
// Draw the icon
mDrawPaint.setAlpha(255);
out.drawBitmap(icon, 0, 0, mDrawPaint);
}
/**
* Returns the minimum amount by which an icon with {@param bounds} should be scaled
* so that the shadows do not get clipped.
*/
public static float getScaleForBounds(RectF bounds) {
float scale = 1;
// For top, left & right, we need same space.
float minSide = Math.min(Math.min(bounds.left, bounds.right), bounds.top);
if (minSide < BLUR_FACTOR) {
scale = (HALF_DISTANCE - BLUR_FACTOR) / (HALF_DISTANCE - minSide);
}
float bottomSpace = BLUR_FACTOR + KEY_SHADOW_DISTANCE;
if (bounds.bottom < bottomSpace) {
scale = Math.min(scale, (HALF_DISTANCE - bottomSpace) / (HALF_DISTANCE - bounds.bottom));
}
return scale;
}
public static class Builder {
public final RectF bounds = new RectF();
public final int color;
public int ambientShadowAlpha = AMBIENT_SHADOW_ALPHA;
public float shadowBlur;
public float keyShadowDistance;
public int keyShadowAlpha = KEY_SHADOW_ALPHA;
public float radius;
public Builder(int color) {
this.color = color;
}
public Builder setupBlurForSize(int height) {
shadowBlur = height * 1f / 24;
keyShadowDistance = height * 1f / 16;
return this;
}
public Bitmap createPill(int width, int height) {
return createPill(width, height, height / 2f);
}
public Bitmap createPill(int width, int height, float r) {
radius = r;
int centerX = Math.round(width / 2f + shadowBlur);
int centerY = Math.round(radius + shadowBlur + keyShadowDistance);
int center = Math.max(centerX, centerY);
bounds.set(0, 0, width, height);
bounds.offsetTo(center - width / 2f, center - height / 2f);
int size = center * 2;
return BitmapRenderer.createHardwareBitmap(size, size, this::drawShadow);
}
public void drawShadow(Canvas c) {
Paint p = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
p.setColor(color);
// Key shadow
p.setShadowLayer(shadowBlur, 0, keyShadowDistance,
setColorAlphaBound(Color.BLACK, keyShadowAlpha));
c.drawRoundRect(bounds, radius, radius, p);
// Ambient shadow
p.setShadowLayer(shadowBlur, 0, 0,
setColorAlphaBound(Color.BLACK, ambientShadowAlpha));
c.drawRoundRect(bounds, radius, radius, p);
if (Color.alpha(color) < 255) {
// Clear any content inside the pill-rect for translucent fill.
p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
p.clearShadowLayer();
p.setColor(Color.BLACK);
c.drawRoundRect(bounds, radius, radius, p);
p.setXfermode(null);
p.setColor(color);
c.drawRoundRect(bounds, radius, radius, p);
}
}
}
}
iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
Vendored
-582
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@@ -1,582 +0,0 @@
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons.cache;
import static com.android.launcher3.icons.BaseIconFactory.getFullResDefaultActivityIcon;
import static com.android.launcher3.icons.BitmapInfo.LOW_RES_ICON;
import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
import android.content.ComponentName;
import android.content.ContentValues;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Handler;
import android.os.LocaleList;
import android.os.Looper;
import android.os.Process;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import com.android.launcher3.icons.BaseIconFactory;
import com.android.launcher3.icons.BitmapInfo;
import com.android.launcher3.icons.BitmapRenderer;
import com.android.launcher3.icons.GraphicsUtils;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.SQLiteCacheHelper;
import java.util.AbstractMap;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;
public abstract class BaseIconCache {
private static final String TAG = "BaseIconCache";
private static final boolean DEBUG = false;
private static final int INITIAL_ICON_CACHE_CAPACITY = 50;
// Empty class name is used for storing package default entry.
public static final String EMPTY_CLASS_NAME = ".";
public static class CacheEntry {
@NonNull
public BitmapInfo bitmap = BitmapInfo.LOW_RES_INFO;
public CharSequence title = "";
public CharSequence contentDescription = "";
}
private final HashMap<UserHandle, BitmapInfo> mDefaultIcons = new HashMap<>();
protected final Context mContext;
protected final PackageManager mPackageManager;
private final Map<ComponentKey, CacheEntry> mCache;
protected final Handler mWorkerHandler;
protected int mIconDpi;
protected IconDB mIconDb;
protected LocaleList mLocaleList = LocaleList.getEmptyLocaleList();
protected String mSystemState = "";
private final String mDbFileName;
private final BitmapFactory.Options mDecodeOptions;
private final Looper mBgLooper;
public BaseIconCache(Context context, String dbFileName, Looper bgLooper,
int iconDpi, int iconPixelSize, boolean inMemoryCache) {
mContext = context;
mDbFileName = dbFileName;
mPackageManager = context.getPackageManager();
mBgLooper = bgLooper;
mWorkerHandler = new Handler(mBgLooper);
if (inMemoryCache) {
mCache = new HashMap<>(INITIAL_ICON_CACHE_CAPACITY);
} else {
// Use a dummy cache
mCache = new AbstractMap<ComponentKey, CacheEntry>() {
@Override
public Set<Entry<ComponentKey, CacheEntry>> entrySet() {
return Collections.emptySet();
}
@Override
public CacheEntry put(ComponentKey key, CacheEntry value) {
return value;
}
};
}
if (BitmapRenderer.USE_HARDWARE_BITMAP && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
mDecodeOptions = new BitmapFactory.Options();
mDecodeOptions.inPreferredConfig = Bitmap.Config.HARDWARE;
} else {
mDecodeOptions = null;
}
updateSystemState();
mIconDpi = iconDpi;
mIconDb = new IconDB(context, dbFileName, iconPixelSize);
}
/**
* Returns the persistable serial number for {@param user}. Subclass should implement proper
* caching strategy to avoid making binder call every time.
*/
protected abstract long getSerialNumberForUser(UserHandle user);
/**
* Return true if the given app is an instant app and should be badged appropriately.
*/
protected abstract boolean isInstantApp(ApplicationInfo info);
/**
* Opens and returns an icon factory. The factory is recycled by the caller.
*/
protected abstract BaseIconFactory getIconFactory();
public void updateIconParams(int iconDpi, int iconPixelSize) {
mWorkerHandler.post(() -> updateIconParamsBg(iconDpi, iconPixelSize));
}
private synchronized void updateIconParamsBg(int iconDpi, int iconPixelSize) {
mIconDpi = iconDpi;
mDefaultIcons.clear();
mIconDb.clear();
mIconDb.close();
mIconDb = new IconDB(mContext, mDbFileName, iconPixelSize);
mCache.clear();
}
private Drawable getFullResIcon(Resources resources, int iconId) {
if (resources != null && iconId != 0) {
try {
return resources.getDrawableForDensity(iconId, mIconDpi);
} catch (Resources.NotFoundException e) { }
}
return getFullResDefaultActivityIcon(mIconDpi);
}
public Drawable getFullResIcon(String packageName, int iconId) {
try {
return getFullResIcon(mPackageManager.getResourcesForApplication(packageName), iconId);
} catch (PackageManager.NameNotFoundException e) { }
return getFullResDefaultActivityIcon(mIconDpi);
}
public Drawable getFullResIcon(ActivityInfo info) {
try {
return getFullResIcon(mPackageManager.getResourcesForApplication(info.applicationInfo),
info.getIconResource());
} catch (PackageManager.NameNotFoundException e) { }
return getFullResDefaultActivityIcon(mIconDpi);
}
private BitmapInfo makeDefaultIcon(UserHandle user) {
try (BaseIconFactory li = getIconFactory()) {
return li.makeDefaultIcon(user);
}
}
/**
* Remove any records for the supplied ComponentName.
*/
public synchronized void remove(ComponentName componentName, UserHandle user) {
mCache.remove(new ComponentKey(componentName, user));
}
/**
* Remove any records for the supplied package name from memory.
*/
private void removeFromMemCacheLocked(String packageName, UserHandle user) {
HashSet<ComponentKey> forDeletion = new HashSet<>();
for (ComponentKey key: mCache.keySet()) {
if (key.componentName.getPackageName().equals(packageName)
&& key.user.equals(user)) {
forDeletion.add(key);
}
}
for (ComponentKey condemned: forDeletion) {
mCache.remove(condemned);
}
}
/**
* Removes the entries related to the given package in memory and persistent DB.
*/
public synchronized void removeIconsForPkg(String packageName, UserHandle user) {
removeFromMemCacheLocked(packageName, user);
long userSerial = getSerialNumberForUser(user);
mIconDb.delete(
IconDB.COLUMN_COMPONENT + " LIKE ? AND " + IconDB.COLUMN_USER + " = ?",
new String[]{packageName + "/%", Long.toString(userSerial)});
}
public IconCacheUpdateHandler getUpdateHandler() {
updateSystemState();
return new IconCacheUpdateHandler(this);
}
/**
* Refreshes the system state definition used to check the validity of the cache. It
* incorporates all the properties that can affect the cache like the list of enabled locale
* and system-version.
*/
private void updateSystemState() {
mLocaleList = mContext.getResources().getConfiguration().getLocales();
mSystemState = mLocaleList.toLanguageTags() + "," + Build.VERSION.SDK_INT;
}
protected String getIconSystemState(String packageName) {
return mSystemState;
}
/**
* Adds an entry into the DB and the in-memory cache.
* @param replaceExisting if true, it will recreate the bitmap even if it already exists in
* the memory. This is useful then the previous bitmap was created using
* old data.
*/
@VisibleForTesting
public synchronized <T> void addIconToDBAndMemCache(T object, CachingLogic<T> cachingLogic,
PackageInfo info, long userSerial, boolean replaceExisting) {
UserHandle user = cachingLogic.getUser(object);
ComponentName componentName = cachingLogic.getComponent(object);
final ComponentKey key = new ComponentKey(componentName, user);
CacheEntry entry = null;
if (!replaceExisting) {
entry = mCache.get(key);
// We can't reuse the entry if the high-res icon is not present.
if (entry == null || entry.bitmap.isNullOrLowRes()) {
entry = null;
}
}
if (entry == null) {
entry = new CacheEntry();
entry.bitmap = cachingLogic.loadIcon(mContext, object);
}
// Icon can't be loaded from cachingLogic, which implies alternative icon was loaded
// (e.g. fallback icon, default icon). So we drop here since there's no point in caching
// an empty entry.
if (entry.bitmap.isNullOrLowRes()) return;
entry.title = cachingLogic.getLabel(object);
entry.contentDescription = mPackageManager.getUserBadgedLabel(entry.title, user);
if (cachingLogic.addToMemCache()) mCache.put(key, entry);
ContentValues values = newContentValues(entry.bitmap, entry.title.toString(),
componentName.getPackageName(), cachingLogic.getKeywords(object, mLocaleList));
addIconToDB(values, componentName, info, userSerial,
cachingLogic.getLastUpdatedTime(object, info));
}
/**
* Updates {@param values} to contain versioning information and adds it to the DB.
* @param values {@link ContentValues} containing icon & title
*/
private void addIconToDB(ContentValues values, ComponentName key,
PackageInfo info, long userSerial, long lastUpdateTime) {
values.put(IconDB.COLUMN_COMPONENT, key.flattenToString());
values.put(IconDB.COLUMN_USER, userSerial);
values.put(IconDB.COLUMN_LAST_UPDATED, lastUpdateTime);
values.put(IconDB.COLUMN_VERSION, info.versionCode);
mIconDb.insertOrReplace(values);
}
public synchronized BitmapInfo getDefaultIcon(UserHandle user) {
if (!mDefaultIcons.containsKey(user)) {
mDefaultIcons.put(user, makeDefaultIcon(user));
}
return mDefaultIcons.get(user);
}
public boolean isDefaultIcon(BitmapInfo icon, UserHandle user) {
return getDefaultIcon(user).icon == icon.icon;
}
/**
* Retrieves the entry from the cache. If the entry is not present, it creates a new entry.
* This method is not thread safe, it must be called from a synchronized method.
*/
protected <T> CacheEntry cacheLocked(
@NonNull ComponentName componentName, @NonNull UserHandle user,
@NonNull Supplier<T> infoProvider, @NonNull CachingLogic<T> cachingLogic,
boolean usePackageIcon, boolean useLowResIcon) {
assertWorkerThread();
ComponentKey cacheKey = new ComponentKey(componentName, user);
CacheEntry entry = mCache.get(cacheKey);
if (entry == null || (entry.bitmap.isLowRes() && !useLowResIcon)) {
entry = new CacheEntry();
if (cachingLogic.addToMemCache()) {
mCache.put(cacheKey, entry);
}
// Check the DB first.
T object = null;
boolean providerFetchedOnce = false;
if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) {
object = infoProvider.get();
providerFetchedOnce = true;
if (object != null) {
entry.bitmap = cachingLogic.loadIcon(mContext, object);
} else {
if (usePackageIcon) {
CacheEntry packageEntry = getEntryForPackageLocked(
componentName.getPackageName(), user, false);
if (packageEntry != null) {
if (DEBUG) Log.d(TAG, "using package default icon for " +
componentName.toShortString());
entry.bitmap = packageEntry.bitmap;
entry.title = packageEntry.title;
entry.contentDescription = packageEntry.contentDescription;
}
}
if (entry.bitmap == null) {
if (DEBUG) Log.d(TAG, "using default icon for " +
componentName.toShortString());
entry.bitmap = getDefaultIcon(user);
}
}
}
if (TextUtils.isEmpty(entry.title)) {
if (object == null && !providerFetchedOnce) {
object = infoProvider.get();
providerFetchedOnce = true;
}
if (object != null) {
entry.title = cachingLogic.getLabel(object);
entry.contentDescription = mPackageManager.getUserBadgedLabel(
cachingLogic.getDescription(object, entry.title), user);
}
}
}
return entry;
}
public synchronized void clear() {
assertWorkerThread();
mIconDb.clear();
}
/**
* Adds a default package entry in the cache. This entry is not persisted and will be removed
* when the cache is flushed.
*/
protected synchronized void cachePackageInstallInfo(String packageName, UserHandle user,
Bitmap icon, CharSequence title) {
removeFromMemCacheLocked(packageName, user);
ComponentKey cacheKey = getPackageKey(packageName, user);
CacheEntry entry = mCache.get(cacheKey);
// For icon caching, do not go through DB. Just update the in-memory entry.
if (entry == null) {
entry = new CacheEntry();
}
if (!TextUtils.isEmpty(title)) {
entry.title = title;
}
if (icon != null) {
BaseIconFactory li = getIconFactory();
entry.bitmap = li.createIconBitmap(icon);
li.close();
}
if (!TextUtils.isEmpty(title) && entry.bitmap.icon != null) {
mCache.put(cacheKey, entry);
}
}
private static ComponentKey getPackageKey(String packageName, UserHandle user) {
ComponentName cn = new ComponentName(packageName, packageName + EMPTY_CLASS_NAME);
return new ComponentKey(cn, user);
}
/**
* Gets an entry for the package, which can be used as a fallback entry for various components.
* This method is not thread safe, it must be called from a synchronized method.
*/
protected CacheEntry getEntryForPackageLocked(String packageName, UserHandle user,
boolean useLowResIcon) {
assertWorkerThread();
ComponentKey cacheKey = getPackageKey(packageName, user);
CacheEntry entry = mCache.get(cacheKey);
if (entry == null || (entry.bitmap.isLowRes() && !useLowResIcon)) {
entry = new CacheEntry();
boolean entryUpdated = true;
// Check the DB first.
if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) {
try {
int flags = Process.myUserHandle().equals(user) ? 0 :
PackageManager.GET_UNINSTALLED_PACKAGES;
PackageInfo info = mPackageManager.getPackageInfo(packageName, flags);
ApplicationInfo appInfo = info.applicationInfo;
if (appInfo == null) {
throw new NameNotFoundException("ApplicationInfo is null");
}
BaseIconFactory li = getIconFactory();
// Load the full res icon for the application, but if useLowResIcon is set, then
// only keep the low resolution icon instead of the larger full-sized icon
BitmapInfo iconInfo = li.createBadgedIconBitmap(
appInfo.loadIcon(mPackageManager), user, appInfo.targetSdkVersion,
isInstantApp(appInfo));
li.close();
entry.title = appInfo.loadLabel(mPackageManager);
entry.contentDescription = mPackageManager.getUserBadgedLabel(entry.title, user);
entry.bitmap = BitmapInfo.of(
useLowResIcon ? LOW_RES_ICON : iconInfo.icon, iconInfo.color);
// Add the icon in the DB here, since these do not get written during
// package updates.
ContentValues values = newContentValues(
iconInfo, entry.title.toString(), packageName, null);
addIconToDB(values, cacheKey.componentName, info, getSerialNumberForUser(user),
info.lastUpdateTime);
} catch (NameNotFoundException e) {
if (DEBUG) Log.d(TAG, "Application not installed " + packageName);
entryUpdated = false;
}
}
// Only add a filled-out entry to the cache
if (entryUpdated) {
mCache.put(cacheKey, entry);
}
}
return entry;
}
protected boolean getEntryFromDB(ComponentKey cacheKey, CacheEntry entry, boolean lowRes) {
Cursor c = null;
try {
c = mIconDb.query(
lowRes ? IconDB.COLUMNS_LOW_RES : IconDB.COLUMNS_HIGH_RES,
IconDB.COLUMN_COMPONENT + " = ? AND " + IconDB.COLUMN_USER + " = ?",
new String[]{
cacheKey.componentName.flattenToString(),
Long.toString(getSerialNumberForUser(cacheKey.user))});
if (c.moveToNext()) {
// Set the alpha to be 255, so that we never have a wrong color
entry.bitmap = BitmapInfo.of(LOW_RES_ICON, setColorAlphaBound(c.getInt(0), 255));
entry.title = c.getString(1);
if (entry.title == null) {
entry.title = "";
entry.contentDescription = "";
} else {
entry.contentDescription = mPackageManager.getUserBadgedLabel(
entry.title, cacheKey.user);
}
if (!lowRes) {
byte[] data = c.getBlob(2);
try {
entry.bitmap = BitmapInfo.of(
BitmapFactory.decodeByteArray(data, 0, data.length, mDecodeOptions),
entry.bitmap.color);
} catch (Exception e) { }
}
return true;
}
} catch (SQLiteException e) {
Log.d(TAG, "Error reading icon cache", e);
} finally {
if (c != null) {
c.close();
}
}
return false;
}
/**
* Returns a cursor for an arbitrary query to the cache db
*/
public synchronized Cursor queryCacheDb(String[] columns, String selection,
String[] selectionArgs) {
return mIconDb.query(columns, selection, selectionArgs);
}
/**
* Cache class to store the actual entries on disk
*/
public static final class IconDB extends SQLiteCacheHelper {
private static final int RELEASE_VERSION = 27;
public static final String TABLE_NAME = "icons";
public static final String COLUMN_ROWID = "rowid";
public static final String COLUMN_COMPONENT = "componentName";
public static final String COLUMN_USER = "profileId";
public static final String COLUMN_LAST_UPDATED = "lastUpdated";
public static final String COLUMN_VERSION = "version";
public static final String COLUMN_ICON = "icon";
public static final String COLUMN_ICON_COLOR = "icon_color";
public static final String COLUMN_LABEL = "label";
public static final String COLUMN_SYSTEM_STATE = "system_state";
public static final String COLUMN_KEYWORDS = "keywords";
public static final String[] COLUMNS_HIGH_RES = new String[] {
IconDB.COLUMN_ICON_COLOR, IconDB.COLUMN_LABEL, IconDB.COLUMN_ICON };
public static final String[] COLUMNS_LOW_RES = new String[] {
IconDB.COLUMN_ICON_COLOR, IconDB.COLUMN_LABEL };
public IconDB(Context context, String dbFileName, int iconPixelSize) {
super(context, dbFileName, (RELEASE_VERSION << 16) + iconPixelSize, TABLE_NAME);
}
@Override
protected void onCreateTable(SQLiteDatabase db) {
db.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " ("
+ COLUMN_COMPONENT + " TEXT NOT NULL, "
+ COLUMN_USER + " INTEGER NOT NULL, "
+ COLUMN_LAST_UPDATED + " INTEGER NOT NULL DEFAULT 0, "
+ COLUMN_VERSION + " INTEGER NOT NULL DEFAULT 0, "
+ COLUMN_ICON + " BLOB, "
+ COLUMN_ICON_COLOR + " INTEGER NOT NULL DEFAULT 0, "
+ COLUMN_LABEL + " TEXT, "
+ COLUMN_SYSTEM_STATE + " TEXT, "
+ COLUMN_KEYWORDS + " TEXT, "
+ "PRIMARY KEY (" + COLUMN_COMPONENT + ", " + COLUMN_USER + ") "
+ ");");
}
}
private ContentValues newContentValues(BitmapInfo bitmapInfo, String label,
String packageName, @Nullable String keywords) {
ContentValues values = new ContentValues();
values.put(IconDB.COLUMN_ICON,
bitmapInfo.isLowRes() ? null : GraphicsUtils.flattenBitmap(bitmapInfo.icon));
values.put(IconDB.COLUMN_ICON_COLOR, bitmapInfo.color);
values.put(IconDB.COLUMN_LABEL, label);
values.put(IconDB.COLUMN_SYSTEM_STATE, getIconSystemState(packageName));
values.put(IconDB.COLUMN_KEYWORDS, keywords);
return values;
}
private void assertWorkerThread() {
if (Looper.myLooper() != mBgLooper) {
throw new IllegalStateException("Cache accessed on wrong thread " + Looper.myLooper());
}
}
}
iconloaderlib/src/com/android/launcher3/icons/cache/CachingLogic.java
Vendored
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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons.cache;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.os.LocaleList;
import android.os.UserHandle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.icons.BitmapInfo;
public interface CachingLogic<T> {
ComponentName getComponent(T object);
UserHandle getUser(T object);
CharSequence getLabel(T object);
default CharSequence getDescription(T object, CharSequence fallback) {
return fallback;
}
@NonNull
BitmapInfo loadIcon(Context context, T object);
/**
* Provides a option list of keywords to associate with this object
*/
@Nullable
default String getKeywords(T object, LocaleList localeList) {
return null;
}
/**
* Returns the timestamp the entry was last updated in cache.
*/
default long getLastUpdatedTime(T object, PackageInfo info) {
return info.lastUpdateTime;
}
/**
* Returns true the object should be added to mem cache; otherwise returns false.
*/
default boolean addToMemCache() {
return true;
}
}
iconloaderlib/src/com/android/launcher3/icons/cache/HandlerRunnable.java
Vendored
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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons.cache;
import android.os.Handler;
/**
* A runnable that can be posted to a {@link Handler} which can be canceled.
*/
public abstract class HandlerRunnable implements Runnable {
private final Handler mHandler;
private final Runnable mEndRunnable;
private boolean mEnded = false;
private boolean mCanceled = false;
public HandlerRunnable(Handler handler, Runnable endRunnable) {
mHandler = handler;
mEndRunnable = endRunnable;
}
/**
* Cancels this runnable from being run, only if it has not already run.
*/
public void cancel() {
mHandler.removeCallbacks(this);
// TODO: This can actually cause onEnd to be called twice if the handler is already running
// this runnable
// NOTE: This is currently run on whichever thread the caller is run on.
mCanceled = true;
onEnd();
}
/**
* @return whether this runnable was canceled.
*/
protected boolean isCanceled() {
return mCanceled;
}
/**
* To be called by the implemention of this runnable. The end callback is done on whichever
* thread the caller is calling from.
*/
public void onEnd() {
if (!mEnded) {
mEnded = true;
if (mEndRunnable != null) {
mEndRunnable.run();
}
}
}
}
iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
Vendored
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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons.cache;
import android.content.ComponentName;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.database.sqlite.SQLiteException;
import android.os.SystemClock;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.Log;
import android.util.SparseBooleanArray;
import com.android.launcher3.icons.cache.BaseIconCache.IconDB;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import java.util.Stack;
/**
* Utility class to handle updating the Icon cache
*/
public class IconCacheUpdateHandler {
private static final String TAG = "IconCacheUpdateHandler";
/**
* In this mode, all invalid icons are marked as to-be-deleted in {@link #mItemsToDelete}.
* This mode is used for the first run.
*/
private static final boolean MODE_SET_INVALID_ITEMS = true;
/**
* In this mode, any valid icon is removed from {@link #mItemsToDelete}. This is used for all
* subsequent runs, which essentially acts as set-union of all valid items.
*/
private static final boolean MODE_CLEAR_VALID_ITEMS = false;
private static final Object ICON_UPDATE_TOKEN = new Object();
private final HashMap<String, PackageInfo> mPkgInfoMap;
private final BaseIconCache mIconCache;
private final ArrayMap<UserHandle, Set<String>> mPackagesToIgnore = new ArrayMap<>();
private final SparseBooleanArray mItemsToDelete = new SparseBooleanArray();
private boolean mFilterMode = MODE_SET_INVALID_ITEMS;
IconCacheUpdateHandler(BaseIconCache cache) {
mIconCache = cache;
mPkgInfoMap = new HashMap<>();
// Remove all active icon update tasks.
mIconCache.mWorkerHandler.removeCallbacksAndMessages(ICON_UPDATE_TOKEN);
createPackageInfoMap();
}
/**
* Sets a package to ignore for processing
*/
public void addPackagesToIgnore(UserHandle userHandle, String packageName) {
Set<String> packages = mPackagesToIgnore.get(userHandle);
if (packages == null) {
packages = new HashSet<>();
mPackagesToIgnore.put(userHandle, packages);
}
packages.add(packageName);
}
private void createPackageInfoMap() {
PackageManager pm = mIconCache.mPackageManager;
for (PackageInfo info :
pm.getInstalledPackages(PackageManager.MATCH_UNINSTALLED_PACKAGES)) {
mPkgInfoMap.put(info.packageName, info);
}
}
/**
* Updates the persistent DB, such that only entries corresponding to {@param apps} remain in
* the DB and are updated.
* @return The set of packages for which icons have updated.
*/
public <T> void updateIcons(List<T> apps, CachingLogic<T> cachingLogic,
OnUpdateCallback onUpdateCallback) {
// Filter the list per user
HashMap<UserHandle, HashMap<ComponentName, T>> userComponentMap = new HashMap<>();
int count = apps.size();
for (int i = 0; i < count; i++) {
T app = apps.get(i);
UserHandle userHandle = cachingLogic.getUser(app);
HashMap<ComponentName, T> componentMap = userComponentMap.get(userHandle);
if (componentMap == null) {
componentMap = new HashMap<>();
userComponentMap.put(userHandle, componentMap);
}
componentMap.put(cachingLogic.getComponent(app), app);
}
for (Entry<UserHandle, HashMap<ComponentName, T>> entry : userComponentMap.entrySet()) {
updateIconsPerUser(entry.getKey(), entry.getValue(), cachingLogic, onUpdateCallback);
}
// From now on, clear every valid item from the global valid map.
mFilterMode = MODE_CLEAR_VALID_ITEMS;
}
/**
* Updates the persistent DB, such that only entries corresponding to {@param apps} remain in
* the DB and are updated.
* @return The set of packages for which icons have updated.
*/
@SuppressWarnings("unchecked")
private <T> void updateIconsPerUser(UserHandle user, HashMap<ComponentName, T> componentMap,
CachingLogic<T> cachingLogic, OnUpdateCallback onUpdateCallback) {
Set<String> ignorePackages = mPackagesToIgnore.get(user);
if (ignorePackages == null) {
ignorePackages = Collections.emptySet();
}
long userSerial = mIconCache.getSerialNumberForUser(user);
Stack<T> appsToUpdate = new Stack<>();
try (Cursor c = mIconCache.mIconDb.query(
new String[]{IconDB.COLUMN_ROWID, IconDB.COLUMN_COMPONENT,
IconDB.COLUMN_LAST_UPDATED, IconDB.COLUMN_VERSION,
IconDB.COLUMN_SYSTEM_STATE},
IconDB.COLUMN_USER + " = ? ",
new String[]{Long.toString(userSerial)})) {
final int indexComponent = c.getColumnIndex(IconDB.COLUMN_COMPONENT);
final int indexLastUpdate = c.getColumnIndex(IconDB.COLUMN_LAST_UPDATED);
final int indexVersion = c.getColumnIndex(IconDB.COLUMN_VERSION);
final int rowIndex = c.getColumnIndex(IconDB.COLUMN_ROWID);
final int systemStateIndex = c.getColumnIndex(IconDB.COLUMN_SYSTEM_STATE);
while (c.moveToNext()) {
String cn = c.getString(indexComponent);
ComponentName component = ComponentName.unflattenFromString(cn);
PackageInfo info = mPkgInfoMap.get(component.getPackageName());
int rowId = c.getInt(rowIndex);
if (info == null) {
if (!ignorePackages.contains(component.getPackageName())) {
if (mFilterMode == MODE_SET_INVALID_ITEMS) {
mIconCache.remove(component, user);
mItemsToDelete.put(rowId, true);
}
}
continue;
}
if ((info.applicationInfo.flags & ApplicationInfo.FLAG_IS_DATA_ONLY) != 0) {
// Application is not present
continue;
}
long updateTime = c.getLong(indexLastUpdate);
int version = c.getInt(indexVersion);
T app = componentMap.remove(component);
if (version == info.versionCode && updateTime == info.lastUpdateTime
&& TextUtils.equals(c.getString(systemStateIndex),
mIconCache.getIconSystemState(info.packageName))) {
if (mFilterMode == MODE_CLEAR_VALID_ITEMS) {
mItemsToDelete.put(rowId, false);
}
continue;
}
if (app == null) {
if (mFilterMode == MODE_SET_INVALID_ITEMS) {
mIconCache.remove(component, user);
mItemsToDelete.put(rowId, true);
}
} else {
appsToUpdate.add(app);
}
}
} catch (SQLiteException e) {
Log.d(TAG, "Error reading icon cache", e);
// Continue updating whatever we have read so far
}
// Insert remaining apps.
if (!componentMap.isEmpty() || !appsToUpdate.isEmpty()) {
Stack<T> appsToAdd = new Stack<>();
appsToAdd.addAll(componentMap.values());
new SerializedIconUpdateTask(userSerial, user, appsToAdd, appsToUpdate, cachingLogic,
onUpdateCallback).scheduleNext();
}
}
/**
* Commits all updates as part of the update handler to disk. Not more calls should be made
* to this class after this.
*/
public void finish() {
// Commit all deletes
int deleteCount = 0;
StringBuilder queryBuilder = new StringBuilder()
.append(IconDB.COLUMN_ROWID)
.append(" IN (");
int count = mItemsToDelete.size();
for (int i = 0; i < count; i++) {
if (mItemsToDelete.valueAt(i)) {
if (deleteCount > 0) {
queryBuilder.append(", ");
}
queryBuilder.append(mItemsToDelete.keyAt(i));
deleteCount++;
}
}
queryBuilder.append(')');
if (deleteCount > 0) {
mIconCache.mIconDb.delete(queryBuilder.toString(), null);
}
}
/**
* A runnable that updates invalid icons and adds missing icons in the DB for the provided
* LauncherActivityInfo list. Items are updated/added one at a time, so that the
* worker thread doesn't get blocked.
*/
private class SerializedIconUpdateTask<T> implements Runnable {
private final long mUserSerial;
private final UserHandle mUserHandle;
private final Stack<T> mAppsToAdd;
private final Stack<T> mAppsToUpdate;
private final CachingLogic<T> mCachingLogic;
private final HashSet<String> mUpdatedPackages = new HashSet<>();
private final OnUpdateCallback mOnUpdateCallback;
SerializedIconUpdateTask(long userSerial, UserHandle userHandle,
Stack<T> appsToAdd, Stack<T> appsToUpdate, CachingLogic<T> cachingLogic,
OnUpdateCallback onUpdateCallback) {
mUserHandle = userHandle;
mUserSerial = userSerial;
mAppsToAdd = appsToAdd;
mAppsToUpdate = appsToUpdate;
mCachingLogic = cachingLogic;
mOnUpdateCallback = onUpdateCallback;
}
@Override
public void run() {
if (!mAppsToUpdate.isEmpty()) {
T app = mAppsToUpdate.pop();
String pkg = mCachingLogic.getComponent(app).getPackageName();
PackageInfo info = mPkgInfoMap.get(pkg);
mIconCache.addIconToDBAndMemCache(
app, mCachingLogic, info, mUserSerial, true /*replace existing*/);
mUpdatedPackages.add(pkg);
if (mAppsToUpdate.isEmpty() && !mUpdatedPackages.isEmpty()) {
// No more app to update. Notify callback.
mOnUpdateCallback.onPackageIconsUpdated(mUpdatedPackages, mUserHandle);
}
// Let it run one more time.
scheduleNext();
} else if (!mAppsToAdd.isEmpty()) {
T app = mAppsToAdd.pop();
PackageInfo info = mPkgInfoMap.get(mCachingLogic.getComponent(app).getPackageName());
// We do not check the mPkgInfoMap when generating the mAppsToAdd. Although every
// app should have package info, this is not guaranteed by the api
if (info != null) {
mIconCache.addIconToDBAndMemCache(app, mCachingLogic, info,
mUserSerial, false /*replace existing*/);
}
if (!mAppsToAdd.isEmpty()) {
scheduleNext();
}
}
}
public void scheduleNext() {
mIconCache.mWorkerHandler.postAtTime(this, ICON_UPDATE_TOKEN,
SystemClock.uptimeMillis() + 1);
}
}
public interface OnUpdateCallback {
void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandle user);
}
}
iconloaderlib/src/com/android/launcher3/util/ComponentKey.java
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@@ -1,59 +0,0 @@
package com.android.launcher3.util;
/**
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.ComponentName;
import android.os.UserHandle;
import java.util.Arrays;
public class ComponentKey {
public final ComponentName componentName;
public final UserHandle user;
private final int mHashCode;
public ComponentKey(ComponentName componentName, UserHandle user) {
if (componentName == null || user == null) {
throw new NullPointerException();
}
this.componentName = componentName;
this.user = user;
mHashCode = Arrays.hashCode(new Object[] {componentName, user});
}
@Override
public int hashCode() {
return mHashCode;
}
@Override
public boolean equals(Object o) {
ComponentKey other = (ComponentKey) o;
return other.componentName.equals(componentName) && other.user.equals(user);
}
/**
* Encodes a component key as a string of the form [flattenedComponentString#userId].
*/
@Override
public String toString() {
return componentName.flattenToString() + "#" + user;
}
}
iconloaderlib/src/com/android/launcher3/util/NoLocaleSQLiteHelper.java
-58
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@@ -1,58 +0,0 @@
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.util;
import static android.database.sqlite.SQLiteDatabase.NO_LOCALIZED_COLLATORS;
import android.content.Context;
import android.content.ContextWrapper;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteDatabase.OpenParams;
import android.database.sqlite.SQLiteOpenHelper;
import android.os.Build;
/**
* Extension of {@link SQLiteOpenHelper} which avoids creating default locale table by
* A context wrapper which creates databases without support for localized collators.
*/
public abstract class NoLocaleSQLiteHelper extends SQLiteOpenHelper {
private static final boolean ATLEAST_P =
Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
public NoLocaleSQLiteHelper(Context context, String name, int version) {
super(ATLEAST_P ? context : new NoLocalContext(context), name, null, version);
if (ATLEAST_P) {
setOpenParams(new OpenParams.Builder().addOpenFlags(NO_LOCALIZED_COLLATORS).build());
}
}
private static class NoLocalContext extends ContextWrapper {
public NoLocalContext(Context base) {
super(base);
}
@Override
public SQLiteDatabase openOrCreateDatabase(
String name, int mode, CursorFactory factory, DatabaseErrorHandler errorHandler) {
return super.openOrCreateDatabase(
name, mode | Context.MODE_NO_LOCALIZED_COLLATORS, factory, errorHandler);
}
}
}
iconloaderlib/src/com/android/launcher3/util/SQLiteCacheHelper.java
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@@ -1,125 +0,0 @@
package com.android.launcher3.util;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteFullException;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
/**
* An extension of {@link SQLiteOpenHelper} with utility methods for a single table cache DB.
* Any exception during write operations are ignored, and any version change causes a DB reset.
*/
public abstract class SQLiteCacheHelper {
private static final String TAG = "SQLiteCacheHelper";
private static final boolean IN_MEMORY_CACHE = false;
private final String mTableName;
private final MySQLiteOpenHelper mOpenHelper;
private boolean mIgnoreWrites;
public SQLiteCacheHelper(Context context, String name, int version, String tableName) {
if (IN_MEMORY_CACHE) {
name = null;
}
mTableName = tableName;
mOpenHelper = new MySQLiteOpenHelper(context, name, version);
mIgnoreWrites = false;
}
/**
* @see SQLiteDatabase#delete(String, String, String[])
*/
public void delete(String whereClause, String[] whereArgs) {
if (mIgnoreWrites) {
return;
}
try {
mOpenHelper.getWritableDatabase().delete(mTableName, whereClause, whereArgs);
} catch (SQLiteFullException e) {
onDiskFull(e);
} catch (SQLiteException e) {
Log.d(TAG, "Ignoring sqlite exception", e);
}
}
/**
* @see SQLiteDatabase#insertWithOnConflict(String, String, ContentValues, int)
*/
public void insertOrReplace(ContentValues values) {
if (mIgnoreWrites) {
return;
}
try {
mOpenHelper.getWritableDatabase().insertWithOnConflict(
mTableName, null, values, SQLiteDatabase.CONFLICT_REPLACE);
} catch (SQLiteFullException e) {
onDiskFull(e);
} catch (SQLiteException e) {
Log.d(TAG, "Ignoring sqlite exception", e);
}
}
private void onDiskFull(SQLiteFullException e) {
Log.e(TAG, "Disk full, all write operations will be ignored", e);
mIgnoreWrites = true;
}
/**
* @see SQLiteDatabase#query(String, String[], String, String[], String, String, String)
*/
public Cursor query(String[] columns, String selection, String[] selectionArgs) {
return mOpenHelper.getReadableDatabase().query(
mTableName, columns, selection, selectionArgs, null, null, null);
}
public void clear() {
mOpenHelper.clearDB(mOpenHelper.getWritableDatabase());
}
public void close() {
mOpenHelper.close();
}
protected abstract void onCreateTable(SQLiteDatabase db);
/**
* A private inner class to prevent direct DB access.
*/
private class MySQLiteOpenHelper extends NoLocaleSQLiteHelper {
public MySQLiteOpenHelper(Context context, String name, int version) {
super(context, name, version);
}
@Override
public void onCreate(SQLiteDatabase db) {
onCreateTable(db);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion != newVersion) {
clearDB(db);
}
}
@Override
public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion != newVersion) {
clearDB(db);
}
}
private void clearDB(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + mTableName);
onCreate(db);
}
}
}
iconloaderlib/src_full_lib/com/android/launcher3/icons/IconFactory.java
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@@ -1,89 +0,0 @@
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import android.content.Context;
/**
* Wrapper class to provide access to {@link BaseIconFactory} and also to provide pool of this class
* that are threadsafe.
*/
public class IconFactory extends BaseIconFactory {
private static final Object sPoolSync = new Object();
private static IconFactory sPool;
private static int sPoolId = 0;
/**
* Return a new Message instance from the global pool. Allows us to
* avoid allocating new objects in many cases.
*/
public static IconFactory obtain(Context context) {
int poolId;
synchronized (sPoolSync) {
if (sPool != null) {
IconFactory m = sPool;
sPool = m.next;
m.next = null;
return m;
}
poolId = sPoolId;
}
return new IconFactory(context,
context.getResources().getConfiguration().densityDpi,
context.getResources().getDimensionPixelSize(R.dimen.default_icon_bitmap_size),
poolId);
}
public static void clearPool() {
synchronized (sPoolSync) {
sPool = null;
sPoolId++;
}
}
private final int mPoolId;
private IconFactory next;
private IconFactory(Context context, int fillResIconDpi, int iconBitmapSize, int poolId) {
super(context, fillResIconDpi, iconBitmapSize);
mPoolId = poolId;
}
/**
* Recycles a LauncherIcons that may be in-use.
*/
public void recycle() {
synchronized (sPoolSync) {
if (sPoolId != mPoolId) {
return;
}
// Clear any temporary state variables
clear();
next = sPool;
sPool = this;
}
}
@Override
public void close() {
recycle();
}
}
iconloaderlib/src_full_lib/com/android/launcher3/icons/SimpleIconCache.java
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@@ -1,114 +0,0 @@
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.icons;
import static android.content.Intent.ACTION_MANAGED_PROFILE_ADDED;
import static android.content.Intent.ACTION_MANAGED_PROFILE_REMOVED;
import android.annotation.TargetApi;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.os.Build;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.UserHandle;
import android.os.UserManager;
import android.util.SparseLongArray;
import com.android.launcher3.icons.cache.BaseIconCache;
/**
* Wrapper class to provide access to {@link BaseIconFactory} and also to provide pool of this class
* that are threadsafe.
*/
@TargetApi(Build.VERSION_CODES.P)
public class SimpleIconCache extends BaseIconCache {
private static SimpleIconCache sIconCache = null;
private static final Object CACHE_LOCK = new Object();
private final SparseLongArray mUserSerialMap = new SparseLongArray(2);
private final UserManager mUserManager;
public SimpleIconCache(Context context, String dbFileName, Looper bgLooper, int iconDpi,
int iconPixelSize, boolean inMemoryCache) {
super(context, dbFileName, bgLooper, iconDpi, iconPixelSize, inMemoryCache);
mUserManager = context.getSystemService(UserManager.class);
// Listen for user cache changes.
IntentFilter filter = new IntentFilter(ACTION_MANAGED_PROFILE_ADDED);
filter.addAction(ACTION_MANAGED_PROFILE_REMOVED);
context.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
resetUserCache();
}
}, filter, null, new Handler(bgLooper), 0);
}
@Override
protected long getSerialNumberForUser(UserHandle user) {
synchronized (mUserSerialMap) {
int index = mUserSerialMap.indexOfKey(user.getIdentifier());
if (index >= 0) {
return mUserSerialMap.valueAt(index);
}
long serial = mUserManager.getSerialNumberForUser(user);
mUserSerialMap.put(user.getIdentifier(), serial);
return serial;
}
}
private void resetUserCache() {
synchronized (mUserSerialMap) {
mUserSerialMap.clear();
}
}
@Override
protected boolean isInstantApp(ApplicationInfo info) {
return info.isInstantApp();
}
@Override
protected BaseIconFactory getIconFactory() {
return IconFactory.obtain(mContext);
}
public static SimpleIconCache getIconCache(Context context) {
synchronized (CACHE_LOCK) {
if (sIconCache != null) {
return sIconCache;
}
boolean inMemoryCache =
context.getResources().getBoolean(R.bool.simple_cache_enable_im_memory);
String dbFileName = context.getString(R.string.cache_db_name);
HandlerThread bgThread = new HandlerThread("simple-icon-cache");
bgThread.start();
sIconCache = new SimpleIconCache(context.getApplicationContext(), dbFileName,
bgThread.getLooper(), context.getResources().getConfiguration().densityDpi,
context.getResources().getDimensionPixelSize(R.dimen.default_icon_bitmap_size),
inMemoryCache);
return sIconCache;
}
}
}