Tony Wickham
1190 lines
48 KiB
Java
1190 lines
48 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.Manifest;
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import android.animation.LayoutTransition;
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import android.annotation.TargetApi;
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import android.app.ActionBar;
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import android.app.Activity;
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import android.app.WallpaperManager;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.database.Cursor;
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import android.database.DataSetObserver;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Matrix;
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import android.graphics.Point;
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import android.graphics.PorterDuff;
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import android.graphics.RectF;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Process;
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import android.provider.MediaStore;
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import android.util.Log;
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import android.util.Pair;
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import android.view.ActionMode;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.View.OnLayoutChangeListener;
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import android.view.ViewGroup;
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import android.view.ViewPropertyAnimator;
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import android.view.ViewTreeObserver;
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import android.view.ViewTreeObserver.OnGlobalLayoutListener;
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import android.view.WindowManager;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.DecelerateInterpolator;
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import android.widget.ArrayAdapter;
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import android.widget.BaseAdapter;
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import android.widget.FrameLayout;
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import android.widget.HorizontalScrollView;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.Toast;
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import com.android.gallery3d.common.BitmapCropTask;
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import com.android.gallery3d.common.BitmapUtils;
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import com.android.gallery3d.common.Utils;
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import com.android.launcher3.util.Thunk;
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import com.android.launcher3.util.WallpaperUtils;
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import com.android.photos.BitmapRegionTileSource;
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import com.android.photos.BitmapRegionTileSource.BitmapSource;
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import com.android.photos.views.TiledImageRenderer.TileSource;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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public class WallpaperPickerActivity extends WallpaperCropActivity {
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static final String TAG = "Launcher.WallpaperPickerActivity";
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public static final int IMAGE_PICK = 5;
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public static final int PICK_WALLPAPER_THIRD_PARTY_ACTIVITY = 6;
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private static final String TEMP_WALLPAPER_TILES = "TEMP_WALLPAPER_TILES";
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private static final String SELECTED_INDEX = "SELECTED_INDEX";
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private static final int FLAG_POST_DELAY_MILLIS = 200;
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@Thunk View mSelectedTile;
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@Thunk boolean mIgnoreNextTap;
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@Thunk OnClickListener mThumbnailOnClickListener;
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@Thunk LinearLayout mWallpapersView;
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@Thunk HorizontalScrollView mWallpaperScrollContainer;
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@Thunk View mWallpaperStrip;
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@Thunk ActionMode.Callback mActionModeCallback;
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@Thunk ActionMode mActionMode;
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@Thunk View.OnLongClickListener mLongClickListener;
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ArrayList<Uri> mTempWallpaperTiles = new ArrayList<Uri>();
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private SavedWallpaperImages mSavedImages;
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@Thunk int mSelectedIndex = -1;
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public static abstract class WallpaperTileInfo {
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protected View mView;
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public Drawable mThumb;
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public void setView(View v) {
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mView = v;
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}
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public void onClick(WallpaperPickerActivity a) {}
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public void onSave(WallpaperPickerActivity a) {}
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public void onDelete(WallpaperPickerActivity a) {}
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public boolean isSelectable() { return false; }
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public boolean isNamelessWallpaper() { return false; }
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public void onIndexUpdated(CharSequence label) {
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if (isNamelessWallpaper()) {
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mView.setContentDescription(label);
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}
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}
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}
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public static class PickImageInfo extends WallpaperTileInfo {
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@Override
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public void onClick(WallpaperPickerActivity a) {
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Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
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intent.setType("image/*");
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a.startActivityForResultSafely(intent, IMAGE_PICK);
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}
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}
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public static class UriWallpaperInfo extends WallpaperTileInfo {
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private Uri mUri;
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public UriWallpaperInfo(Uri uri) {
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mUri = uri;
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}
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@Override
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public void onClick(final WallpaperPickerActivity a) {
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a.setWallpaperButtonEnabled(false);
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final BitmapRegionTileSource.UriBitmapSource bitmapSource =
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new BitmapRegionTileSource.UriBitmapSource(a.getContext(), mUri);
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a.setCropViewTileSource(bitmapSource, true, false, null, new Runnable() {
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@Override
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public void run() {
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if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
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a.selectTile(mView);
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a.setWallpaperButtonEnabled(true);
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} else {
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ViewGroup parent = (ViewGroup) mView.getParent();
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if (parent != null) {
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parent.removeView(mView);
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Toast.makeText(a.getContext(), R.string.image_load_fail,
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Toast.LENGTH_SHORT).show();
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}
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}
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}
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});
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}
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@Override
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public void onSave(final WallpaperPickerActivity a) {
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boolean finishActivityWhenDone = true;
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BitmapCropTask.OnBitmapCroppedHandler h = new BitmapCropTask.OnBitmapCroppedHandler() {
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public void onBitmapCropped(byte[] imageBytes) {
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Point thumbSize = getDefaultThumbnailSize(a.getResources());
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// rotation is set to 0 since imageBytes has already been correctly rotated
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Bitmap thumb = createThumbnail(
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thumbSize, null, null, imageBytes, null, 0, 0, true);
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a.getSavedImages().writeImage(thumb, imageBytes);
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}
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};
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a.cropImageAndSetWallpaper(mUri, h, finishActivityWhenDone);
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}
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@Override
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public boolean isSelectable() {
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return true;
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}
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@Override
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public boolean isNamelessWallpaper() {
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return true;
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}
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}
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public static class FileWallpaperInfo extends WallpaperTileInfo {
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private File mFile;
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public FileWallpaperInfo(File target, Drawable thumb) {
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mFile = target;
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mThumb = thumb;
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}
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@Override
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public void onClick(final WallpaperPickerActivity a) {
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a.setWallpaperButtonEnabled(false);
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final BitmapRegionTileSource.FilePathBitmapSource bitmapSource =
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new BitmapRegionTileSource.FilePathBitmapSource(mFile.getAbsolutePath());
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a.setCropViewTileSource(bitmapSource, false, true, null, new Runnable() {
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@Override
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public void run() {
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if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
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a.setWallpaperButtonEnabled(true);
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}
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}
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});
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}
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@Override
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public void onSave(WallpaperPickerActivity a) {
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a.setWallpaper(Uri.fromFile(mFile), true);
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}
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@Override
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public boolean isSelectable() {
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return true;
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}
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@Override
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public boolean isNamelessWallpaper() {
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return true;
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}
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}
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public static class ResourceWallpaperInfo extends WallpaperTileInfo {
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private Resources mResources;
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private int mResId;
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public ResourceWallpaperInfo(Resources res, int resId, Drawable thumb) {
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mResources = res;
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mResId = resId;
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mThumb = thumb;
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}
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@Override
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public void onClick(final WallpaperPickerActivity a) {
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a.setWallpaperButtonEnabled(false);
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final BitmapRegionTileSource.ResourceBitmapSource bitmapSource =
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new BitmapRegionTileSource.ResourceBitmapSource(mResources, mResId, a);
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a.setCropViewTileSource(bitmapSource, false, false, new CropViewScaleProvider() {
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@Override
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public float getScale(TileSource src) {
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Point wallpaperSize = WallpaperUtils.getDefaultWallpaperSize(
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a.getResources(), a.getWindowManager());
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RectF crop = Utils.getMaxCropRect(
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src.getImageWidth(), src.getImageHeight(),
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wallpaperSize.x, wallpaperSize.y, false);
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return wallpaperSize.x / crop.width();
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}
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}, new Runnable() {
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@Override
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public void run() {
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if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
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a.setWallpaperButtonEnabled(true);
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}
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}
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});
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}
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@Override
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public void onSave(WallpaperPickerActivity a) {
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boolean finishActivityWhenDone = true;
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a.cropImageAndSetWallpaper(mResources, mResId, finishActivityWhenDone);
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}
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@Override
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public boolean isSelectable() {
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return true;
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}
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@Override
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public boolean isNamelessWallpaper() {
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return true;
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}
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}
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@TargetApi(Build.VERSION_CODES.KITKAT)
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public static class DefaultWallpaperInfo extends WallpaperTileInfo {
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public DefaultWallpaperInfo(Drawable thumb) {
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mThumb = thumb;
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}
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@Override
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public void onClick(WallpaperPickerActivity a) {
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CropView c = a.getCropView();
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Drawable defaultWallpaper = WallpaperManager.getInstance(a.getContext())
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.getBuiltInDrawable(c.getWidth(), c.getHeight(), false, 0.5f, 0.5f);
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if (defaultWallpaper == null) {
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Log.w(TAG, "Null default wallpaper encountered.");
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c.setTileSource(null, null);
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return;
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}
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LoadRequest req = new LoadRequest();
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req.moveToLeft = false;
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req.touchEnabled = false;
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req.scaleProvider = new CropViewScaleProvider() {
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@Override
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public float getScale(TileSource src) {
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return 1f;
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}
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};
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req.result = new DrawableTileSource(a.getContext(),
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defaultWallpaper, DrawableTileSource.MAX_PREVIEW_SIZE);
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a.onLoadRequestComplete(req, true);
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}
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@Override
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public void onSave(WallpaperPickerActivity a) {
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try {
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WallpaperManager.getInstance(a.getContext()).clear();
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a.setResult(Activity.RESULT_OK);
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} catch (IOException e) {
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Log.w("Setting wallpaper to default threw exception", e);
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}
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a.finish();
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}
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@Override
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public boolean isSelectable() {
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return true;
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}
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@Override
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public boolean isNamelessWallpaper() {
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return true;
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}
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}
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/**
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* shows the system wallpaper behind the window and hides the {@link
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* #mCropView} if visible
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* @param visible should the system wallpaper be shown
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*/
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protected void setSystemWallpaperVisiblity(final boolean visible) {
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// hide our own wallpaper preview if necessary
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if(!visible) {
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mCropView.setVisibility(View.VISIBLE);
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} else {
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changeWallpaperFlags(visible);
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}
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// the change of the flag must be delayed in order to avoid flickering,
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// a simple post / double post does not suffice here
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mCropView.postDelayed(new Runnable() {
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@Override
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public void run() {
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if(!visible) {
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changeWallpaperFlags(visible);
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} else {
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mCropView.setVisibility(View.INVISIBLE);
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}
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}
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}, FLAG_POST_DELAY_MILLIS);
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}
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@Thunk void changeWallpaperFlags(boolean visible) {
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int desiredWallpaperFlag = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0;
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int currentWallpaperFlag = getWindow().getAttributes().flags
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& WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
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if (desiredWallpaperFlag != currentWallpaperFlag) {
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getWindow().setFlags(desiredWallpaperFlag,
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WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER);
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}
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}
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@Override
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protected void onLoadRequestComplete(LoadRequest req, boolean success) {
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super.onLoadRequestComplete(req, success);
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if (success) {
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setSystemWallpaperVisiblity(false);
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}
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}
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// called by onCreate; this is subclassed to overwrite WallpaperCropActivity
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protected void init() {
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setContentView(R.layout.wallpaper_picker);
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mCropView = (CropView) findViewById(R.id.cropView);
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mCropView.setVisibility(View.INVISIBLE);
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mProgressView = findViewById(R.id.loading);
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mWallpaperScrollContainer = (HorizontalScrollView) findViewById(R.id.wallpaper_scroll_container);
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mWallpaperStrip = findViewById(R.id.wallpaper_strip);
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mCropView.setTouchCallback(new CropView.TouchCallback() {
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ViewPropertyAnimator mAnim;
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@Override
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public void onTouchDown() {
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if (mAnim != null) {
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mAnim.cancel();
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}
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if (mWallpaperStrip.getAlpha() == 1f) {
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mIgnoreNextTap = true;
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}
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mAnim = mWallpaperStrip.animate();
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mAnim.alpha(0f)
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.setDuration(150)
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.withEndAction(new Runnable() {
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public void run() {
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mWallpaperStrip.setVisibility(View.INVISIBLE);
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}
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});
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mAnim.setInterpolator(new AccelerateInterpolator(0.75f));
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mAnim.start();
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}
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@Override
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public void onTouchUp() {
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mIgnoreNextTap = false;
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}
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@Override
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public void onTap() {
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boolean ignoreTap = mIgnoreNextTap;
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mIgnoreNextTap = false;
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if (!ignoreTap) {
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if (mAnim != null) {
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mAnim.cancel();
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}
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mWallpaperStrip.setVisibility(View.VISIBLE);
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mAnim = mWallpaperStrip.animate();
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mAnim.alpha(1f)
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.setDuration(150)
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.setInterpolator(new DecelerateInterpolator(0.75f));
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mAnim.start();
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}
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}
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});
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mThumbnailOnClickListener = new OnClickListener() {
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public void onClick(View v) {
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if (mActionMode != null) {
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// When CAB is up, clicking toggles the item instead
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if (v.isLongClickable()) {
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mLongClickListener.onLongClick(v);
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}
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return;
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}
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setWallpaperButtonEnabled(true);
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WallpaperTileInfo info = (WallpaperTileInfo) v.getTag();
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if (info.isSelectable() && v.getVisibility() == View.VISIBLE) {
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selectTile(v);
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}
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info.onClick(WallpaperPickerActivity.this);
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}
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};
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mLongClickListener = new View.OnLongClickListener() {
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// Called when the user long-clicks on someView
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public boolean onLongClick(View view) {
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CheckableFrameLayout c = (CheckableFrameLayout) view;
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c.toggle();
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if (mActionMode != null) {
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mActionMode.invalidate();
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} else {
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// Start the CAB using the ActionMode.Callback defined below
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mActionMode = startActionMode(mActionModeCallback);
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int childCount = mWallpapersView.getChildCount();
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for (int i = 0; i < childCount; i++) {
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mWallpapersView.getChildAt(i).setSelected(false);
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}
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}
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return true;
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}
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};
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// Populate the built-in wallpapers
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ArrayList<WallpaperTileInfo> wallpapers = findBundledWallpapers();
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mWallpapersView = (LinearLayout) findViewById(R.id.wallpaper_list);
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SimpleWallpapersAdapter ia = new SimpleWallpapersAdapter(getContext(), wallpapers);
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populateWallpapersFromAdapter(mWallpapersView, ia, false);
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// Populate the saved wallpapers
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mSavedImages = new SavedWallpaperImages(getContext());
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mSavedImages.loadThumbnailsAndImageIdList();
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populateWallpapersFromAdapter(mWallpapersView, mSavedImages, true);
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// Populate the live wallpapers
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final LinearLayout liveWallpapersView =
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(LinearLayout) findViewById(R.id.live_wallpaper_list);
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final LiveWallpaperListAdapter a = new LiveWallpaperListAdapter(getContext());
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a.registerDataSetObserver(new DataSetObserver() {
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public void onChanged() {
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liveWallpapersView.removeAllViews();
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populateWallpapersFromAdapter(liveWallpapersView, a, false);
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initializeScrollForRtl();
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updateTileIndices();
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}
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});
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// Populate the third-party wallpaper pickers
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final LinearLayout thirdPartyWallpapersView =
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(LinearLayout) findViewById(R.id.third_party_wallpaper_list);
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final ThirdPartyWallpaperPickerListAdapter ta =
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new ThirdPartyWallpaperPickerListAdapter(getContext());
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populateWallpapersFromAdapter(thirdPartyWallpapersView, ta, false);
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// Add a tile for the Gallery
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LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list);
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FrameLayout pickImageTile = (FrameLayout) getLayoutInflater().
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inflate(R.layout.wallpaper_picker_image_picker_item, masterWallpaperList, false);
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masterWallpaperList.addView(pickImageTile, 0);
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// Make its background the last photo taken on external storage
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Bitmap lastPhoto = getThumbnailOfLastPhoto();
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if (lastPhoto != null) {
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ImageView galleryThumbnailBg =
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(ImageView) pickImageTile.findViewById(R.id.wallpaper_image);
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galleryThumbnailBg.setImageBitmap(lastPhoto);
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int colorOverlay = getResources().getColor(R.color.wallpaper_picker_translucent_gray);
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galleryThumbnailBg.setColorFilter(colorOverlay, PorterDuff.Mode.SRC_ATOP);
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}
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PickImageInfo pickImageInfo = new PickImageInfo();
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pickImageTile.setTag(pickImageInfo);
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pickImageInfo.setView(pickImageTile);
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pickImageTile.setOnClickListener(mThumbnailOnClickListener);
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|
|
// Select the first item; wait for a layout pass so that we initialize the dimensions of
|
|
// cropView or the defaultWallpaperView first
|
|
mCropView.addOnLayoutChangeListener(new OnLayoutChangeListener() {
|
|
@Override
|
|
public void onLayoutChange(View v, int left, int top, int right, int bottom,
|
|
int oldLeft, int oldTop, int oldRight, int oldBottom) {
|
|
if ((right - left) > 0 && (bottom - top) > 0) {
|
|
if (mSelectedIndex >= 0 && mSelectedIndex < mWallpapersView.getChildCount()) {
|
|
mThumbnailOnClickListener.onClick(
|
|
mWallpapersView.getChildAt(mSelectedIndex));
|
|
setSystemWallpaperVisiblity(false);
|
|
}
|
|
v.removeOnLayoutChangeListener(this);
|
|
}
|
|
}
|
|
});
|
|
|
|
updateTileIndices();
|
|
|
|
// Update the scroll for RTL
|
|
initializeScrollForRtl();
|
|
|
|
// Create smooth layout transitions for when items are deleted
|
|
final LayoutTransition transitioner = new LayoutTransition();
|
|
transitioner.setDuration(200);
|
|
transitioner.setStartDelay(LayoutTransition.CHANGE_DISAPPEARING, 0);
|
|
transitioner.setAnimator(LayoutTransition.DISAPPEARING, null);
|
|
mWallpapersView.setLayoutTransition(transitioner);
|
|
|
|
// Action bar
|
|
// Show the custom action bar view
|
|
final ActionBar actionBar = getActionBar();
|
|
actionBar.setCustomView(R.layout.actionbar_set_wallpaper);
|
|
actionBar.getCustomView().setOnClickListener(
|
|
new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
// Ensure that a tile is slelected and loaded.
|
|
if (mSelectedTile != null && mCropView.getTileSource() != null) {
|
|
// Prevent user from selecting any new tile.
|
|
mWallpaperStrip.setVisibility(View.GONE);
|
|
actionBar.hide();
|
|
|
|
WallpaperTileInfo info = (WallpaperTileInfo) mSelectedTile.getTag();
|
|
info.onSave(WallpaperPickerActivity.this);
|
|
} else {
|
|
// no tile was selected, so we just finish the activity and go back
|
|
setResult(Activity.RESULT_OK);
|
|
finish();
|
|
}
|
|
}
|
|
});
|
|
mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
|
|
|
|
// CAB for deleting items
|
|
mActionModeCallback = new ActionMode.Callback() {
|
|
// Called when the action mode is created; startActionMode() was called
|
|
@Override
|
|
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
|
|
// Inflate a menu resource providing context menu items
|
|
MenuInflater inflater = mode.getMenuInflater();
|
|
inflater.inflate(R.menu.cab_delete_wallpapers, menu);
|
|
return true;
|
|
}
|
|
|
|
private int numCheckedItems() {
|
|
int childCount = mWallpapersView.getChildCount();
|
|
int numCheckedItems = 0;
|
|
for (int i = 0; i < childCount; i++) {
|
|
CheckableFrameLayout c = (CheckableFrameLayout) mWallpapersView.getChildAt(i);
|
|
if (c.isChecked()) {
|
|
numCheckedItems++;
|
|
}
|
|
}
|
|
return numCheckedItems;
|
|
}
|
|
|
|
// Called each time the action mode is shown. Always called after onCreateActionMode,
|
|
// but may be called multiple times if the mode is invalidated.
|
|
@Override
|
|
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
|
|
int numCheckedItems = numCheckedItems();
|
|
if (numCheckedItems == 0) {
|
|
mode.finish();
|
|
return true;
|
|
} else {
|
|
mode.setTitle(getResources().getQuantityString(
|
|
R.plurals.number_of_items_selected, numCheckedItems, numCheckedItems));
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Called when the user selects a contextual menu item
|
|
@Override
|
|
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
|
|
int itemId = item.getItemId();
|
|
if (itemId == R.id.menu_delete) {
|
|
int childCount = mWallpapersView.getChildCount();
|
|
ArrayList<View> viewsToRemove = new ArrayList<View>();
|
|
boolean selectedTileRemoved = false;
|
|
for (int i = 0; i < childCount; i++) {
|
|
CheckableFrameLayout c =
|
|
(CheckableFrameLayout) mWallpapersView.getChildAt(i);
|
|
if (c.isChecked()) {
|
|
WallpaperTileInfo info = (WallpaperTileInfo) c.getTag();
|
|
info.onDelete(WallpaperPickerActivity.this);
|
|
viewsToRemove.add(c);
|
|
if (i == mSelectedIndex) {
|
|
selectedTileRemoved = true;
|
|
}
|
|
}
|
|
}
|
|
for (View v : viewsToRemove) {
|
|
mWallpapersView.removeView(v);
|
|
}
|
|
if (selectedTileRemoved) {
|
|
mSelectedIndex = -1;
|
|
mSelectedTile = null;
|
|
setSystemWallpaperVisiblity(true);
|
|
}
|
|
updateTileIndices();
|
|
mode.finish(); // Action picked, so close the CAB
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Called when the user exits the action mode
|
|
@Override
|
|
public void onDestroyActionMode(ActionMode mode) {
|
|
int childCount = mWallpapersView.getChildCount();
|
|
for (int i = 0; i < childCount; i++) {
|
|
CheckableFrameLayout c = (CheckableFrameLayout) mWallpapersView.getChildAt(i);
|
|
c.setChecked(false);
|
|
}
|
|
if (mSelectedTile != null) {
|
|
mSelectedTile.setSelected(true);
|
|
}
|
|
mActionMode = null;
|
|
}
|
|
};
|
|
}
|
|
|
|
public void setWallpaperButtonEnabled(boolean enabled) {
|
|
mSetWallpaperButton.setEnabled(enabled);
|
|
}
|
|
|
|
@Thunk void selectTile(View v) {
|
|
if (mSelectedTile != null) {
|
|
mSelectedTile.setSelected(false);
|
|
mSelectedTile = null;
|
|
}
|
|
mSelectedTile = v;
|
|
v.setSelected(true);
|
|
mSelectedIndex = mWallpapersView.indexOfChild(v);
|
|
// TODO: Remove this once the accessibility framework and
|
|
// services have better support for selection state.
|
|
v.announceForAccessibility(
|
|
getContext().getString(R.string.announce_selection, v.getContentDescription()));
|
|
}
|
|
|
|
@Thunk void initializeScrollForRtl() {
|
|
if (Utilities.isRtl(getResources())) {
|
|
final ViewTreeObserver observer = mWallpaperScrollContainer.getViewTreeObserver();
|
|
observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
|
|
public void onGlobalLayout() {
|
|
LinearLayout masterWallpaperList =
|
|
(LinearLayout) findViewById(R.id.master_wallpaper_list);
|
|
mWallpaperScrollContainer.scrollTo(masterWallpaperList.getWidth(), 0);
|
|
mWallpaperScrollContainer.getViewTreeObserver().removeOnGlobalLayoutListener(this);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
protected Bitmap getThumbnailOfLastPhoto() {
|
|
boolean canReadExternalStorage = getActivity().checkPermission(
|
|
Manifest.permission.READ_EXTERNAL_STORAGE, Process.myPid(), Process.myUid()) ==
|
|
PackageManager.PERMISSION_GRANTED;
|
|
|
|
if (!canReadExternalStorage) {
|
|
// MediaStore.Images.Media.EXTERNAL_CONTENT_URI requires
|
|
// the READ_EXTERNAL_STORAGE permission
|
|
return null;
|
|
}
|
|
|
|
Cursor cursor = MediaStore.Images.Media.query(getContext().getContentResolver(),
|
|
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
|
|
new String[] { MediaStore.Images.ImageColumns._ID,
|
|
MediaStore.Images.ImageColumns.DATE_TAKEN},
|
|
null, null, MediaStore.Images.ImageColumns.DATE_TAKEN + " DESC LIMIT 1");
|
|
|
|
Bitmap thumb = null;
|
|
if (cursor != null) {
|
|
if (cursor.moveToNext()) {
|
|
int id = cursor.getInt(0);
|
|
thumb = MediaStore.Images.Thumbnails.getThumbnail(getContext().getContentResolver(),
|
|
id, MediaStore.Images.Thumbnails.MINI_KIND, null);
|
|
}
|
|
cursor.close();
|
|
}
|
|
return thumb;
|
|
}
|
|
|
|
public void onStop() {
|
|
super.onStop();
|
|
mWallpaperStrip = findViewById(R.id.wallpaper_strip);
|
|
if (mWallpaperStrip.getAlpha() < 1f) {
|
|
mWallpaperStrip.setAlpha(1f);
|
|
mWallpaperStrip.setVisibility(View.VISIBLE);
|
|
}
|
|
}
|
|
|
|
public void onSaveInstanceState(Bundle outState) {
|
|
outState.putParcelableArrayList(TEMP_WALLPAPER_TILES, mTempWallpaperTiles);
|
|
outState.putInt(SELECTED_INDEX, mSelectedIndex);
|
|
}
|
|
|
|
protected void onRestoreInstanceState(Bundle savedInstanceState) {
|
|
ArrayList<Uri> uris = savedInstanceState.getParcelableArrayList(TEMP_WALLPAPER_TILES);
|
|
for (Uri uri : uris) {
|
|
addTemporaryWallpaperTile(uri, true);
|
|
}
|
|
mSelectedIndex = savedInstanceState.getInt(SELECTED_INDEX, -1);
|
|
}
|
|
|
|
@Thunk void populateWallpapersFromAdapter(ViewGroup parent, BaseAdapter adapter,
|
|
boolean addLongPressHandler) {
|
|
for (int i = 0; i < adapter.getCount(); i++) {
|
|
FrameLayout thumbnail = (FrameLayout) adapter.getView(i, null, parent);
|
|
parent.addView(thumbnail, i);
|
|
WallpaperTileInfo info = (WallpaperTileInfo) adapter.getItem(i);
|
|
thumbnail.setTag(info);
|
|
info.setView(thumbnail);
|
|
if (addLongPressHandler) {
|
|
addLongPressHandler(thumbnail);
|
|
}
|
|
thumbnail.setOnClickListener(mThumbnailOnClickListener);
|
|
}
|
|
}
|
|
|
|
@Thunk void updateTileIndices() {
|
|
LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list);
|
|
final int childCount = masterWallpaperList.getChildCount();
|
|
final Resources res = getResources();
|
|
|
|
// Do two passes; the first pass gets the total number of tiles
|
|
int numTiles = 0;
|
|
for (int passNum = 0; passNum < 2; passNum++) {
|
|
int tileIndex = 0;
|
|
for (int i = 0; i < childCount; i++) {
|
|
View child = masterWallpaperList.getChildAt(i);
|
|
LinearLayout subList;
|
|
|
|
int subListStart;
|
|
int subListEnd;
|
|
if (child.getTag() instanceof WallpaperTileInfo) {
|
|
subList = masterWallpaperList;
|
|
subListStart = i;
|
|
subListEnd = i + 1;
|
|
} else { // if (child instanceof LinearLayout) {
|
|
subList = (LinearLayout) child;
|
|
subListStart = 0;
|
|
subListEnd = subList.getChildCount();
|
|
}
|
|
|
|
for (int j = subListStart; j < subListEnd; j++) {
|
|
WallpaperTileInfo info = (WallpaperTileInfo) subList.getChildAt(j).getTag();
|
|
if (info.isNamelessWallpaper()) {
|
|
if (passNum == 0) {
|
|
numTiles++;
|
|
} else {
|
|
CharSequence label = res.getString(
|
|
R.string.wallpaper_accessibility_name, ++tileIndex, numTiles);
|
|
info.onIndexUpdated(label);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Thunk static Point getDefaultThumbnailSize(Resources res) {
|
|
return new Point(res.getDimensionPixelSize(R.dimen.wallpaperThumbnailWidth),
|
|
res.getDimensionPixelSize(R.dimen.wallpaperThumbnailHeight));
|
|
|
|
}
|
|
|
|
@Thunk static Bitmap createThumbnail(Point size, Context context, Uri uri, byte[] imageBytes,
|
|
Resources res, int resId, int rotation, boolean leftAligned) {
|
|
int width = size.x;
|
|
int height = size.y;
|
|
|
|
BitmapCropTask cropTask;
|
|
if (uri != null) {
|
|
cropTask = new BitmapCropTask(
|
|
context, uri, null, rotation, width, height, false, true, null);
|
|
} else if (imageBytes != null) {
|
|
cropTask = new BitmapCropTask(
|
|
imageBytes, null, rotation, width, height, false, true, null);
|
|
} else {
|
|
cropTask = new BitmapCropTask(
|
|
context, res, resId, null, rotation, width, height, false, true, null);
|
|
}
|
|
Point bounds = cropTask.getImageBounds();
|
|
if (bounds == null || bounds.x == 0 || bounds.y == 0) {
|
|
return null;
|
|
}
|
|
|
|
Matrix rotateMatrix = new Matrix();
|
|
rotateMatrix.setRotate(rotation);
|
|
float[] rotatedBounds = new float[] { bounds.x, bounds.y };
|
|
rotateMatrix.mapPoints(rotatedBounds);
|
|
rotatedBounds[0] = Math.abs(rotatedBounds[0]);
|
|
rotatedBounds[1] = Math.abs(rotatedBounds[1]);
|
|
|
|
RectF cropRect = Utils.getMaxCropRect(
|
|
(int) rotatedBounds[0], (int) rotatedBounds[1], width, height, leftAligned);
|
|
cropTask.setCropBounds(cropRect);
|
|
|
|
if (cropTask.cropBitmap()) {
|
|
return cropTask.getCroppedBitmap();
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private void addTemporaryWallpaperTile(final Uri uri, boolean fromRestore) {
|
|
// Add a tile for the image picked from Gallery, reusing the existing tile if there is one.
|
|
FrameLayout existingImageThumbnail = null;
|
|
int indexOfExistingTile = 0;
|
|
for (; indexOfExistingTile < mWallpapersView.getChildCount(); indexOfExistingTile++) {
|
|
FrameLayout thumbnail = (FrameLayout) mWallpapersView.getChildAt(indexOfExistingTile);
|
|
Object tag = thumbnail.getTag();
|
|
if (tag instanceof UriWallpaperInfo && ((UriWallpaperInfo) tag).mUri.equals(uri)) {
|
|
existingImageThumbnail = thumbnail;
|
|
break;
|
|
}
|
|
}
|
|
final FrameLayout pickedImageThumbnail;
|
|
if (existingImageThumbnail != null) {
|
|
pickedImageThumbnail = existingImageThumbnail;
|
|
// Always move the existing wallpaper to the front so user can see it without scrolling.
|
|
mWallpapersView.removeViewAt(indexOfExistingTile);
|
|
mWallpapersView.addView(existingImageThumbnail, 0);
|
|
} else {
|
|
// This is the first time this temporary wallpaper has been added
|
|
pickedImageThumbnail = (FrameLayout) getLayoutInflater()
|
|
.inflate(R.layout.wallpaper_picker_item, mWallpapersView, false);
|
|
pickedImageThumbnail.setVisibility(View.GONE);
|
|
mWallpapersView.addView(pickedImageThumbnail, 0);
|
|
mTempWallpaperTiles.add(uri);
|
|
}
|
|
|
|
// Load the thumbnail
|
|
final ImageView image = (ImageView) pickedImageThumbnail.findViewById(R.id.wallpaper_image);
|
|
final Point defaultSize = getDefaultThumbnailSize(this.getResources());
|
|
final Context context = getContext();
|
|
new AsyncTask<Void, Bitmap, Bitmap>() {
|
|
protected Bitmap doInBackground(Void...args) {
|
|
try {
|
|
int rotation = BitmapUtils.getRotationFromExif(context, uri);
|
|
return createThumbnail(defaultSize, context, uri, null, null, 0, rotation,
|
|
false);
|
|
} catch (SecurityException securityException) {
|
|
if (isActivityDestroyed()) {
|
|
// Temporarily granted permissions are revoked when the activity
|
|
// finishes, potentially resulting in a SecurityException here.
|
|
// Even though {@link #isDestroyed} might also return true in different
|
|
// situations where the configuration changes, we are fine with
|
|
// catching these cases here as well.
|
|
cancel(false);
|
|
} else {
|
|
// otherwise it had a different cause and we throw it further
|
|
throw securityException;
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
protected void onPostExecute(Bitmap thumb) {
|
|
if (!isCancelled() && thumb != null) {
|
|
image.setImageBitmap(thumb);
|
|
Drawable thumbDrawable = image.getDrawable();
|
|
thumbDrawable.setDither(true);
|
|
pickedImageThumbnail.setVisibility(View.VISIBLE);
|
|
} else {
|
|
Log.e(TAG, "Error loading thumbnail for uri=" + uri);
|
|
}
|
|
}
|
|
}.execute();
|
|
|
|
UriWallpaperInfo info = new UriWallpaperInfo(uri);
|
|
pickedImageThumbnail.setTag(info);
|
|
info.setView(pickedImageThumbnail);
|
|
addLongPressHandler(pickedImageThumbnail);
|
|
updateTileIndices();
|
|
pickedImageThumbnail.setOnClickListener(mThumbnailOnClickListener);
|
|
if (!fromRestore) {
|
|
mThumbnailOnClickListener.onClick(pickedImageThumbnail);
|
|
}
|
|
}
|
|
|
|
public void onActivityResult(int requestCode, int resultCode, Intent data) {
|
|
if (requestCode == IMAGE_PICK && resultCode == Activity.RESULT_OK) {
|
|
if (data != null && data.getData() != null) {
|
|
Uri uri = data.getData();
|
|
addTemporaryWallpaperTile(uri, false);
|
|
}
|
|
} else if (requestCode == PICK_WALLPAPER_THIRD_PARTY_ACTIVITY
|
|
&& resultCode == Activity.RESULT_OK) {
|
|
// Something was set on the third-party activity.
|
|
setResult(Activity.RESULT_OK);
|
|
finish();
|
|
}
|
|
}
|
|
|
|
private void addLongPressHandler(View v) {
|
|
v.setOnLongClickListener(mLongClickListener);
|
|
|
|
// Enable stylus button to also trigger long click.
|
|
final StylusEventHelper stylusEventHelper =
|
|
new StylusEventHelper(new SimpleOnStylusPressListener(v), v);
|
|
v.setOnTouchListener(new View.OnTouchListener() {
|
|
@Override
|
|
public boolean onTouch(View view, MotionEvent event) {
|
|
return stylusEventHelper.onMotionEvent(event);
|
|
}
|
|
});
|
|
}
|
|
|
|
private ArrayList<WallpaperTileInfo> findBundledWallpapers() {
|
|
final PackageManager pm = getContext().getPackageManager();
|
|
final ArrayList<WallpaperTileInfo> bundled = new ArrayList<WallpaperTileInfo>(24);
|
|
|
|
Partner partner = Partner.get(pm);
|
|
if (partner != null) {
|
|
final Resources partnerRes = partner.getResources();
|
|
final int resId = partnerRes.getIdentifier(Partner.RES_WALLPAPERS, "array",
|
|
partner.getPackageName());
|
|
if (resId != 0) {
|
|
addWallpapers(bundled, partnerRes, partner.getPackageName(), resId);
|
|
}
|
|
|
|
// Add system wallpapers
|
|
File systemDir = partner.getWallpaperDirectory();
|
|
if (systemDir != null && systemDir.isDirectory()) {
|
|
for (File file : systemDir.listFiles()) {
|
|
if (!file.isFile()) {
|
|
continue;
|
|
}
|
|
String name = file.getName();
|
|
int dotPos = name.lastIndexOf('.');
|
|
String extension = "";
|
|
if (dotPos >= -1) {
|
|
extension = name.substring(dotPos);
|
|
name = name.substring(0, dotPos);
|
|
}
|
|
|
|
if (name.endsWith("_small")) {
|
|
// it is a thumbnail
|
|
continue;
|
|
}
|
|
|
|
File thumbnail = new File(systemDir, name + "_small" + extension);
|
|
Bitmap thumb = BitmapFactory.decodeFile(thumbnail.getAbsolutePath());
|
|
if (thumb != null) {
|
|
bundled.add(new FileWallpaperInfo(file, new BitmapDrawable(thumb)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Pair<ApplicationInfo, Integer> r = getWallpaperArrayResourceId();
|
|
if (r != null) {
|
|
try {
|
|
Resources wallpaperRes = getContext().getPackageManager()
|
|
.getResourcesForApplication(r.first);
|
|
addWallpapers(bundled, wallpaperRes, r.first.packageName, r.second);
|
|
} catch (PackageManager.NameNotFoundException e) {
|
|
}
|
|
}
|
|
|
|
if (partner == null || !partner.hideDefaultWallpaper()) {
|
|
// Add an entry for the default wallpaper (stored in system resources)
|
|
WallpaperTileInfo defaultWallpaperInfo = Utilities.ATLEAST_KITKAT
|
|
? getDefaultWallpaper() : getPreKKDefaultWallpaperInfo();
|
|
if (defaultWallpaperInfo != null) {
|
|
bundled.add(0, defaultWallpaperInfo);
|
|
}
|
|
}
|
|
return bundled;
|
|
}
|
|
|
|
private boolean writeImageToFileAsJpeg(File f, Bitmap b) {
|
|
try {
|
|
f.createNewFile();
|
|
FileOutputStream thumbFileStream =
|
|
getContext().openFileOutput(f.getName(), Context.MODE_PRIVATE);
|
|
b.compress(Bitmap.CompressFormat.JPEG, 95, thumbFileStream);
|
|
thumbFileStream.close();
|
|
return true;
|
|
} catch (IOException e) {
|
|
Log.e(TAG, "Error while writing bitmap to file " + e);
|
|
f.delete();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private File getDefaultThumbFile() {
|
|
return new File(getContext().getFilesDir(), Build.VERSION.SDK_INT
|
|
+ "_" + LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL);
|
|
}
|
|
|
|
private boolean saveDefaultWallpaperThumb(Bitmap b) {
|
|
// Delete old thumbnails.
|
|
new File(getContext().getFilesDir(), LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL_OLD).delete();
|
|
new File(getContext().getFilesDir(), LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL).delete();
|
|
|
|
for (int i = Build.VERSION_CODES.JELLY_BEAN; i < Build.VERSION.SDK_INT; i++) {
|
|
new File(getContext().getFilesDir(), i + "_"
|
|
+ LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL).delete();
|
|
}
|
|
return writeImageToFileAsJpeg(getDefaultThumbFile(), b);
|
|
}
|
|
|
|
private ResourceWallpaperInfo getPreKKDefaultWallpaperInfo() {
|
|
Resources sysRes = Resources.getSystem();
|
|
int resId = sysRes.getIdentifier("default_wallpaper", "drawable", "android");
|
|
|
|
File defaultThumbFile = getDefaultThumbFile();
|
|
Bitmap thumb = null;
|
|
boolean defaultWallpaperExists = false;
|
|
if (defaultThumbFile.exists()) {
|
|
thumb = BitmapFactory.decodeFile(defaultThumbFile.getAbsolutePath());
|
|
defaultWallpaperExists = true;
|
|
} else {
|
|
Resources res = getResources();
|
|
Point defaultThumbSize = getDefaultThumbnailSize(res);
|
|
int rotation = BitmapUtils.getRotationFromExif(res, resId, this);
|
|
thumb = createThumbnail(
|
|
defaultThumbSize, getContext(), null, null, sysRes, resId, rotation, false);
|
|
if (thumb != null) {
|
|
defaultWallpaperExists = saveDefaultWallpaperThumb(thumb);
|
|
}
|
|
}
|
|
if (defaultWallpaperExists) {
|
|
return new ResourceWallpaperInfo(sysRes, resId, new BitmapDrawable(thumb));
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@TargetApi(Build.VERSION_CODES.KITKAT)
|
|
private DefaultWallpaperInfo getDefaultWallpaper() {
|
|
File defaultThumbFile = getDefaultThumbFile();
|
|
Bitmap thumb = null;
|
|
boolean defaultWallpaperExists = false;
|
|
if (defaultThumbFile.exists()) {
|
|
thumb = BitmapFactory.decodeFile(defaultThumbFile.getAbsolutePath());
|
|
defaultWallpaperExists = true;
|
|
} else {
|
|
Resources res = getResources();
|
|
Point defaultThumbSize = getDefaultThumbnailSize(res);
|
|
Drawable wallpaperDrawable = WallpaperManager.getInstance(getContext()).getBuiltInDrawable(
|
|
defaultThumbSize.x, defaultThumbSize.y, true, 0.5f, 0.5f);
|
|
if (wallpaperDrawable != null) {
|
|
thumb = Bitmap.createBitmap(
|
|
defaultThumbSize.x, defaultThumbSize.y, Bitmap.Config.ARGB_8888);
|
|
Canvas c = new Canvas(thumb);
|
|
wallpaperDrawable.setBounds(0, 0, defaultThumbSize.x, defaultThumbSize.y);
|
|
wallpaperDrawable.draw(c);
|
|
c.setBitmap(null);
|
|
}
|
|
if (thumb != null) {
|
|
defaultWallpaperExists = saveDefaultWallpaperThumb(thumb);
|
|
}
|
|
}
|
|
if (defaultWallpaperExists) {
|
|
return new DefaultWallpaperInfo(new BitmapDrawable(thumb));
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public Pair<ApplicationInfo, Integer> getWallpaperArrayResourceId() {
|
|
// Context.getPackageName() may return the "original" package name,
|
|
// com.android.launcher3; Resources needs the real package name,
|
|
// com.android.launcher3. So we ask Resources for what it thinks the
|
|
// package name should be.
|
|
final String packageName = getResources().getResourcePackageName(R.array.wallpapers);
|
|
try {
|
|
ApplicationInfo info = getContext().getPackageManager().getApplicationInfo(packageName, 0);
|
|
return new Pair<ApplicationInfo, Integer>(info, R.array.wallpapers);
|
|
} catch (PackageManager.NameNotFoundException e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private void addWallpapers(ArrayList<WallpaperTileInfo> known, Resources res,
|
|
String packageName, int listResId) {
|
|
final String[] extras = res.getStringArray(listResId);
|
|
for (String extra : extras) {
|
|
int resId = res.getIdentifier(extra, "drawable", packageName);
|
|
if (resId != 0) {
|
|
final int thumbRes = res.getIdentifier(extra + "_small", "drawable", packageName);
|
|
|
|
if (thumbRes != 0) {
|
|
ResourceWallpaperInfo wallpaperInfo =
|
|
new ResourceWallpaperInfo(res, resId, res.getDrawable(thumbRes));
|
|
known.add(wallpaperInfo);
|
|
// Log.d(TAG, "add: [" + packageName + "]: " + extra + " (" + res + ")");
|
|
}
|
|
} else {
|
|
Log.e(TAG, "Couldn't find wallpaper " + extra);
|
|
}
|
|
}
|
|
}
|
|
|
|
public CropView getCropView() {
|
|
return mCropView;
|
|
}
|
|
|
|
public SavedWallpaperImages getSavedImages() {
|
|
return mSavedImages;
|
|
}
|
|
|
|
private static class SimpleWallpapersAdapter extends ArrayAdapter<WallpaperTileInfo> {
|
|
private final LayoutInflater mLayoutInflater;
|
|
|
|
SimpleWallpapersAdapter(Context context, ArrayList<WallpaperTileInfo> wallpapers) {
|
|
super(context, R.layout.wallpaper_picker_item, wallpapers);
|
|
mLayoutInflater = LayoutInflater.from(context);
|
|
}
|
|
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
|
Drawable thumb = getItem(position).mThumb;
|
|
if (thumb == null) {
|
|
Log.e(TAG, "Error decoding thumbnail for wallpaper #" + position);
|
|
}
|
|
return createImageTileView(mLayoutInflater, convertView, parent, thumb);
|
|
}
|
|
}
|
|
|
|
public static View createImageTileView(LayoutInflater layoutInflater,
|
|
View convertView, ViewGroup parent, Drawable thumb) {
|
|
View view;
|
|
|
|
if (convertView == null) {
|
|
view = layoutInflater.inflate(R.layout.wallpaper_picker_item, parent, false);
|
|
} else {
|
|
view = convertView;
|
|
}
|
|
|
|
ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image);
|
|
|
|
if (thumb != null) {
|
|
image.setImageDrawable(thumb);
|
|
thumb.setDither(true);
|
|
}
|
|
|
|
return view;
|
|
}
|
|
|
|
public void startActivityForResultSafely(Intent intent, int requestCode) {
|
|
Utilities.startActivityForResultSafely(getActivity(), intent, requestCode);
|
|
}
|
|
|
|
@Override
|
|
public boolean enableRotation() {
|
|
return super.enableRotation() ||
|
|
getContentResolver().call(LauncherSettings.Settings.CONTENT_URI,
|
|
LauncherSettings.Settings.METHOD_GET_BOOLEAN,
|
|
Utilities.ALLOW_ROTATION_PREFERENCE_KEY, new Bundle())
|
|
.getBoolean(LauncherSettings.Settings.EXTRA_VALUE);
|
|
}
|
|
}
|