Winson Chung
1695 lines
68 KiB
Java
1695 lines
68 KiB
Java
/*
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* Copyright (C) 2011 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.launcher2;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.animation.ValueAnimator;
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import android.appwidget.AppWidgetHostView;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProviderInfo;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Bitmap.Config;
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import android.graphics.Canvas;
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import android.graphics.MaskFilter;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.TableMaskFilter;
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import android.graphics.drawable.Drawable;
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import android.os.AsyncTask;
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import android.os.Process;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.Gravity;
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import android.view.KeyEvent;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewConfiguration;
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import android.view.ViewGroup;
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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.GridLayout;
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import android.widget.ImageView;
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import android.widget.Toast;
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import com.android.launcher.R;
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import com.android.launcher2.DropTarget.DragObject;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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/**
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* A simple callback interface which also provides the results of the task.
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*/
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interface AsyncTaskCallback {
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void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data);
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}
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/**
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* The data needed to perform either of the custom AsyncTasks.
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*/
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class AsyncTaskPageData {
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enum Type {
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LoadWidgetPreviewData
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}
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AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR,
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AsyncTaskCallback postR) {
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page = p;
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items = l;
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sourceImages = si;
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generatedImages = new ArrayList<Bitmap>();
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maxImageWidth = maxImageHeight = -1;
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doInBackgroundCallback = bgR;
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postExecuteCallback = postR;
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}
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AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, AsyncTaskCallback bgR,
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AsyncTaskCallback postR) {
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page = p;
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items = l;
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generatedImages = new ArrayList<Bitmap>();
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maxImageWidth = cw;
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maxImageHeight = ch;
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doInBackgroundCallback = bgR;
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postExecuteCallback = postR;
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}
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void cleanup(boolean cancelled) {
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// Clean up any references to source/generated bitmaps
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if (sourceImages != null) {
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if (cancelled) {
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for (Bitmap b : sourceImages) {
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b.recycle();
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}
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}
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sourceImages.clear();
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}
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if (generatedImages != null) {
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if (cancelled) {
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for (Bitmap b : generatedImages) {
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b.recycle();
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}
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}
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generatedImages.clear();
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}
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}
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int page;
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ArrayList<Object> items;
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ArrayList<Bitmap> sourceImages;
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ArrayList<Bitmap> generatedImages;
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int maxImageWidth;
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int maxImageHeight;
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AsyncTaskCallback doInBackgroundCallback;
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AsyncTaskCallback postExecuteCallback;
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}
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/**
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* A generic template for an async task used in AppsCustomize.
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*/
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class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> {
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AppsCustomizeAsyncTask(int p, AsyncTaskPageData.Type ty) {
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page = p;
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threadPriority = Process.THREAD_PRIORITY_DEFAULT;
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dataType = ty;
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}
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@Override
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protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) {
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if (params.length != 1) return null;
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// Load each of the widget previews in the background
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params[0].doInBackgroundCallback.run(this, params[0]);
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return params[0];
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}
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@Override
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protected void onPostExecute(AsyncTaskPageData result) {
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// All the widget previews are loaded, so we can just callback to inflate the page
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result.postExecuteCallback.run(this, result);
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}
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void setThreadPriority(int p) {
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threadPriority = p;
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}
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void syncThreadPriority() {
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Process.setThreadPriority(threadPriority);
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}
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// The page that this async task is associated with
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AsyncTaskPageData.Type dataType;
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int page;
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int threadPriority;
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}
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/**
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* The Apps/Customize page that displays all the applications, widgets, and shortcuts.
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*/
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public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements
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AllAppsView, View.OnClickListener, View.OnKeyListener, DragSource,
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PagedViewIcon.PressedCallback, PagedViewWidget.ShortPressListener,
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LauncherTransitionable {
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static final String LOG_TAG = "AppsCustomizePagedView";
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/**
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* The different content types that this paged view can show.
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*/
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public enum ContentType {
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Applications,
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Widgets
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}
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// Refs
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private Launcher mLauncher;
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private DragController mDragController;
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private final LayoutInflater mLayoutInflater;
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private final PackageManager mPackageManager;
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// Save and Restore
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private int mSaveInstanceStateItemIndex = -1;
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private PagedViewIcon mPressedIcon;
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// Content
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private ArrayList<ApplicationInfo> mApps;
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private ArrayList<Object> mWidgets;
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// Cling
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private boolean mHasShownAllAppsCling;
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private int mClingFocusedX;
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private int mClingFocusedY;
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// Caching
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private Canvas mCanvas;
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private Drawable mDefaultWidgetBackground;
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private IconCache mIconCache;
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// Dimens
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private int mContentWidth;
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private int mAppIconSize;
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private int mMaxAppCellCountX, mMaxAppCellCountY;
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private int mWidgetCountX, mWidgetCountY;
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private int mWidgetWidthGap, mWidgetHeightGap;
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private final int mWidgetPreviewIconPaddedDimension;
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private final float sWidgetPreviewIconPaddingPercentage = 0.25f;
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private PagedViewCellLayout mWidgetSpacingLayout;
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private int mNumAppsPages;
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private int mNumWidgetPages;
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// Relating to the scroll and overscroll effects
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Workspace.ZInterpolator mZInterpolator = new Workspace.ZInterpolator(0.5f);
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private static float CAMERA_DISTANCE = 6500;
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private static float TRANSITION_SCALE_FACTOR = 0.74f;
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private static float TRANSITION_PIVOT = 0.65f;
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private static float TRANSITION_MAX_ROTATION = 22;
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private static final boolean PERFORM_OVERSCROLL_ROTATION = true;
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private AccelerateInterpolator mAlphaInterpolator = new AccelerateInterpolator(0.9f);
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private DecelerateInterpolator mLeftScreenAlphaInterpolator = new DecelerateInterpolator(4);
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// Previews & outlines
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ArrayList<AppsCustomizeAsyncTask> mRunningTasks;
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private static final int sPageSleepDelay = 200;
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private Runnable mInflateWidgetRunnable = null;
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private Runnable mBindWidgetRunnable = null;
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static final int WIDGET_NO_CLEANUP_REQUIRED = -1;
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static final int WIDGET_BOUND = 0;
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static final int WIDGET_INFLATED = 1;
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int mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED;
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int mWidgetLoadingId = -1;
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PendingAddWidgetInfo mCreateWidgetInfo = null;
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private boolean mDraggingWidget = false;
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// Deferral of loading widget previews during launcher transitions
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private boolean mInTransition;
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private ArrayList<AsyncTaskPageData> mDeferredSyncWidgetPageItems =
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new ArrayList<AsyncTaskPageData>();
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public AppsCustomizePagedView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mLayoutInflater = LayoutInflater.from(context);
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mPackageManager = context.getPackageManager();
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mApps = new ArrayList<ApplicationInfo>();
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mWidgets = new ArrayList<Object>();
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mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache();
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mCanvas = new Canvas();
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mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>();
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// Save the default widget preview background
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Resources resources = context.getResources();
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mDefaultWidgetBackground = resources.getDrawable(R.drawable.default_widget_preview_holo);
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mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size);
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0);
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mMaxAppCellCountX = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountX, -1);
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mMaxAppCellCountY = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountY, -1);
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mWidgetWidthGap =
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a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0);
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mWidgetHeightGap =
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a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0);
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mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2);
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mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2);
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mClingFocusedX = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedX, 0);
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mClingFocusedY = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedY, 0);
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a.recycle();
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mWidgetSpacingLayout = new PagedViewCellLayout(getContext());
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// The padding on the non-matched dimension for the default widget preview icons
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// (top + bottom)
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mWidgetPreviewIconPaddedDimension =
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(int) (mAppIconSize * (1 + (2 * sWidgetPreviewIconPaddingPercentage)));
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mFadeInAdjacentScreens = false;
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}
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@Override
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protected void init() {
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super.init();
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mCenterPagesVertically = false;
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Context context = getContext();
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Resources r = context.getResources();
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setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f);
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}
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@Override
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protected void onUnhandledTap(MotionEvent ev) {
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if (LauncherApplication.isScreenLarge()) {
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// Dismiss AppsCustomize if we tap
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mLauncher.showWorkspace(true);
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}
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}
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/** Returns the item index of the center item on this page so that we can restore to this
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* item index when we rotate. */
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private int getMiddleComponentIndexOnCurrentPage() {
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int i = -1;
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if (getPageCount() > 0) {
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int currentPage = getCurrentPage();
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if (currentPage < mNumAppsPages) {
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PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(currentPage);
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PagedViewCellLayoutChildren childrenLayout = layout.getChildrenLayout();
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int numItemsPerPage = mCellCountX * mCellCountY;
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int childCount = childrenLayout.getChildCount();
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if (childCount > 0) {
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i = (currentPage * numItemsPerPage) + (childCount / 2);
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}
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} else {
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int numApps = mApps.size();
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PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(currentPage);
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int numItemsPerPage = mWidgetCountX * mWidgetCountY;
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int childCount = layout.getChildCount();
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if (childCount > 0) {
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i = numApps +
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((currentPage - mNumAppsPages) * numItemsPerPage) + (childCount / 2);
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}
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}
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}
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return i;
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}
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/** Get the index of the item to restore to if we need to restore the current page. */
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int getSaveInstanceStateIndex() {
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if (mSaveInstanceStateItemIndex == -1) {
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mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage();
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}
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return mSaveInstanceStateItemIndex;
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}
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/** Returns the page in the current orientation which is expected to contain the specified
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* item index. */
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int getPageForComponent(int index) {
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if (index < 0) return 0;
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if (index < mApps.size()) {
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int numItemsPerPage = mCellCountX * mCellCountY;
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return (index / numItemsPerPage);
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} else {
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int numItemsPerPage = mWidgetCountX * mWidgetCountY;
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return mNumAppsPages + ((index - mApps.size()) / numItemsPerPage);
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}
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}
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/**
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* This differs from isDataReady as this is the test done if isDataReady is not set.
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*/
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private boolean testDataReady() {
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// We only do this test once, and we default to the Applications page, so we only really
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// have to wait for there to be apps.
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// TODO: What if one of them is validly empty
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return !mApps.isEmpty() && !mWidgets.isEmpty();
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}
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/** Restores the page for an item at the specified index */
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void restorePageForIndex(int index) {
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if (index < 0) return;
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mSaveInstanceStateItemIndex = index;
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}
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private void updatePageCounts() {
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mNumWidgetPages = (int) Math.ceil(mWidgets.size() /
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(float) (mWidgetCountX * mWidgetCountY));
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mNumAppsPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY));
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}
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protected void onDataReady(int width, int height) {
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// Note that we transpose the counts in portrait so that we get a similar layout
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boolean isLandscape = getResources().getConfiguration().orientation ==
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Configuration.ORIENTATION_LANDSCAPE;
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int maxCellCountX = Integer.MAX_VALUE;
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int maxCellCountY = Integer.MAX_VALUE;
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if (LauncherApplication.isScreenLarge()) {
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maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() :
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LauncherModel.getCellCountY());
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maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() :
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LauncherModel.getCellCountX());
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}
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if (mMaxAppCellCountX > -1) {
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maxCellCountX = Math.min(maxCellCountX, mMaxAppCellCountX);
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}
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if (mMaxAppCellCountY > -1) {
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maxCellCountY = Math.min(maxCellCountY, mMaxAppCellCountY);
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}
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// Now that the data is ready, we can calculate the content width, the number of cells to
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// use for each page
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mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap);
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mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
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mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
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mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY);
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mCellCountX = mWidgetSpacingLayout.getCellCountX();
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mCellCountY = mWidgetSpacingLayout.getCellCountY();
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updatePageCounts();
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// Force a measure to update recalculate the gaps
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int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST);
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int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST);
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mWidgetSpacingLayout.measure(widthSpec, heightSpec);
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mContentWidth = mWidgetSpacingLayout.getContentWidth();
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AppsCustomizeTabHost host = (AppsCustomizeTabHost) getTabHost();
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final boolean hostIsTransitioning = host.isTransitioning();
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// Restore the page
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int page = getPageForComponent(mSaveInstanceStateItemIndex);
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invalidatePageData(Math.max(0, page), hostIsTransitioning);
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// Show All Apps cling if we are finished transitioning, otherwise, we will try again when
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// the transition completes in AppsCustomizeTabHost (otherwise the wrong offsets will be
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// returned while animating)
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if (!hostIsTransitioning) {
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post(new Runnable() {
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@Override
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public void run() {
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showAllAppsCling();
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}
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});
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}
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}
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void showAllAppsCling() {
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if (!mHasShownAllAppsCling && isDataReady() && testDataReady()) {
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mHasShownAllAppsCling = true;
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// Calculate the position for the cling punch through
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int[] offset = new int[2];
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int[] pos = mWidgetSpacingLayout.estimateCellPosition(mClingFocusedX, mClingFocusedY);
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mLauncher.getDragLayer().getLocationInDragLayer(this, offset);
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// PagedViews are centered horizontally but top aligned
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pos[0] += (getMeasuredWidth() - mWidgetSpacingLayout.getMeasuredWidth()) / 2 +
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offset[0];
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pos[1] += offset[1];
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mLauncher.showFirstRunAllAppsCling(pos);
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}
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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int width = MeasureSpec.getSize(widthMeasureSpec);
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int height = MeasureSpec.getSize(heightMeasureSpec);
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if (!isDataReady()) {
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if (testDataReady()) {
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setDataIsReady();
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setMeasuredDimension(width, height);
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onDataReady(width, height);
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}
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}
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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}
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public void onPackagesUpdated() {
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// TODO: this isn't ideal, but we actually need to delay here. This call is triggered
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// by a broadcast receiver, and in order for it to work correctly, we need to know that
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// the AppWidgetService has already received and processed the same broadcast. Since there
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// is no guarantee about ordering of broadcast receipt, we just delay here. Ideally,
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// we should have a more precise way of ensuring the AppWidgetService is up to date.
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postDelayed(new Runnable() {
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public void run() {
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updatePackages();
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}
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}, 500);
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}
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public void updatePackages() {
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// Get the list of widgets and shortcuts
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boolean wasEmpty = mWidgets.isEmpty();
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mWidgets.clear();
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List<AppWidgetProviderInfo> widgets =
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AppWidgetManager.getInstance(mLauncher).getInstalledProviders();
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Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
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List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0);
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for (AppWidgetProviderInfo widget : widgets) {
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if (widget.minWidth > 0 && widget.minHeight > 0) {
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// Ensure that all widgets we show can be added on a workspace of this size
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int[] spanXY = mLauncher.getSpanForWidget(widget);
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int[] minSpanXY = mLauncher.getMinSpanForWidget(widget);
|
|
int minSpanX = Math.min(spanXY[0], minSpanXY[0]);
|
|
int minSpanY = Math.min(spanXY[1], minSpanXY[1]);
|
|
if (minSpanX <= LauncherModel.getCellCountX() &&
|
|
minSpanY <= LauncherModel.getCellCountY()) {
|
|
mWidgets.add(widget);
|
|
}
|
|
} else {
|
|
Log.e(LOG_TAG, "Widget " + widget.provider + " has invalid dimensions (" +
|
|
widget.minWidth + ", " + widget.minHeight + ")");
|
|
}
|
|
}
|
|
mWidgets.addAll(shortcuts);
|
|
Collections.sort(mWidgets,
|
|
new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager));
|
|
updatePageCounts();
|
|
|
|
if (wasEmpty) {
|
|
// The next layout pass will trigger data-ready if both widgets and apps are set, so request
|
|
// a layout to do this test and invalidate the page data when ready.
|
|
if (testDataReady()) requestLayout();
|
|
} else {
|
|
cancelAllTasks();
|
|
invalidatePageData();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onClick(View v) {
|
|
// When we have exited all apps or are in transition, disregard clicks
|
|
if (!mLauncher.isAllAppsCustomizeOpen() ||
|
|
mLauncher.getWorkspace().isSwitchingState()) return;
|
|
|
|
if (v instanceof PagedViewIcon) {
|
|
// Animate some feedback to the click
|
|
final ApplicationInfo appInfo = (ApplicationInfo) v.getTag();
|
|
|
|
// Lock the drawable state to pressed until we return to Launcher
|
|
if (mPressedIcon != null) {
|
|
mPressedIcon.lockDrawableState();
|
|
}
|
|
|
|
// NOTE: we need to re-enable the wallpaper visibility if we want correct transitions
|
|
// between items that are launched from the workspace and all apps. It will be disabled
|
|
// correctly the next time the window is visible in AppsCustomizeTabHost.
|
|
mLauncher.updateWallpaperVisibility(true);
|
|
mLauncher.startActivitySafely(v, appInfo.intent, appInfo);
|
|
|
|
} else if (v instanceof PagedViewWidget) {
|
|
// Let the user know that they have to long press to add a widget
|
|
Toast.makeText(getContext(), R.string.long_press_widget_to_add,
|
|
Toast.LENGTH_SHORT).show();
|
|
|
|
// Create a little animation to show that the widget can move
|
|
float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY);
|
|
final ImageView p = (ImageView) v.findViewById(R.id.widget_preview);
|
|
AnimatorSet bounce = new AnimatorSet();
|
|
ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY);
|
|
tyuAnim.setDuration(125);
|
|
ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f);
|
|
tydAnim.setDuration(100);
|
|
bounce.play(tyuAnim).before(tydAnim);
|
|
bounce.setInterpolator(new AccelerateInterpolator());
|
|
bounce.start();
|
|
}
|
|
}
|
|
|
|
public boolean onKey(View v, int keyCode, KeyEvent event) {
|
|
return FocusHelper.handleAppsCustomizeKeyEvent(v, keyCode, event);
|
|
}
|
|
|
|
/*
|
|
* PagedViewWithDraggableItems implementation
|
|
*/
|
|
@Override
|
|
protected void determineDraggingStart(android.view.MotionEvent ev) {
|
|
// Disable dragging by pulling an app down for now.
|
|
}
|
|
|
|
private void beginDraggingApplication(View v) {
|
|
mLauncher.getWorkspace().onDragStartedWithItem(v);
|
|
mLauncher.getWorkspace().beginDragShared(v, this);
|
|
}
|
|
|
|
private void loadWidgetInBackground(final PendingAddWidgetInfo info) {
|
|
final AppWidgetProviderInfo pInfo = info.info;
|
|
if (pInfo.configure != null) {
|
|
return;
|
|
}
|
|
|
|
mBindWidgetRunnable = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId();
|
|
if (AppWidgetManager.getInstance(mLauncher)
|
|
.bindAppWidgetIdIfAllowed(mWidgetLoadingId, info.componentName)) {
|
|
mWidgetCleanupState = WIDGET_BOUND;
|
|
}
|
|
}
|
|
};
|
|
post(mBindWidgetRunnable);
|
|
|
|
mInflateWidgetRunnable = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
AppWidgetHostView hostView = mLauncher.
|
|
getAppWidgetHost().createView(getContext(), mWidgetLoadingId, pInfo);
|
|
info.boundWidget = hostView;
|
|
mWidgetCleanupState = WIDGET_INFLATED;
|
|
hostView.setVisibility(INVISIBLE);
|
|
int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX,
|
|
info.spanY, info, false);
|
|
|
|
// We want the first widget layout to be the correct size. This will be important
|
|
// for width size reporting to the AppWidgetManager.
|
|
DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0],
|
|
unScaledSize[1]);
|
|
lp.x = lp.y = 0;
|
|
lp.customPosition = true;
|
|
hostView.setLayoutParams(lp);
|
|
mLauncher.getDragLayer().addView(hostView);
|
|
}
|
|
};
|
|
post(mInflateWidgetRunnable);
|
|
}
|
|
|
|
@Override
|
|
public void onShortPress(View v) {
|
|
// We are anticipating a long press, and we use this time to load bind and instantiate
|
|
// the widget. This will need to be cleaned up if it turns out no long press occurs.
|
|
mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag());
|
|
loadWidgetInBackground(mCreateWidgetInfo);
|
|
}
|
|
|
|
private void cleanupWidgetPreloading() {
|
|
PendingAddWidgetInfo info = mCreateWidgetInfo;
|
|
mCreateWidgetInfo = null;
|
|
if (mWidgetCleanupState >= 0 && mWidgetLoadingId != -1) {
|
|
mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId);
|
|
}
|
|
if (mWidgetCleanupState == WIDGET_BOUND) {
|
|
removeCallbacks(mInflateWidgetRunnable);
|
|
} else if (mWidgetCleanupState == WIDGET_INFLATED) {
|
|
AppWidgetHostView widget = info.boundWidget;
|
|
int widgetId = widget.getAppWidgetId();
|
|
mLauncher.getAppWidgetHost().deleteAppWidgetId(widgetId);
|
|
mLauncher.getDragLayer().removeView(widget);
|
|
}
|
|
mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED;
|
|
mWidgetLoadingId = -1;
|
|
}
|
|
|
|
@Override
|
|
public void cleanUpShortPress(View v) {
|
|
if (!mDraggingWidget) {
|
|
cleanupWidgetPreloading();
|
|
}
|
|
}
|
|
|
|
private void beginDraggingWidget(View v) {
|
|
mDraggingWidget = true;
|
|
// Get the widget preview as the drag representation
|
|
ImageView image = (ImageView) v.findViewById(R.id.widget_preview);
|
|
PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag();
|
|
|
|
// Compose the drag image
|
|
Bitmap preview;
|
|
Bitmap outline;
|
|
float scale = 1f;
|
|
if (createItemInfo instanceof PendingAddWidgetInfo) {
|
|
PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo;
|
|
createItemInfo = createWidgetInfo;
|
|
int spanX = createItemInfo.spanX;
|
|
int spanY = createItemInfo.spanY;
|
|
int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY,
|
|
createWidgetInfo, true);
|
|
|
|
FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable();
|
|
float minScale = 1.25f;
|
|
int minWidth, minHeight;
|
|
minWidth = Math.max((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]);
|
|
minHeight = Math.max((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]);
|
|
preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage,
|
|
createWidgetInfo.icon, spanX, spanY, minWidth, minHeight);
|
|
|
|
// Determine the image view drawable scale relative to the preview
|
|
float[] mv = new float[9];
|
|
Matrix m = new Matrix();
|
|
m.setRectToRect(
|
|
new RectF(0f, 0f, (float) preview.getWidth(), (float) preview.getHeight()),
|
|
new RectF(0f, 0f, (float) previewDrawable.getIntrinsicWidth(),
|
|
(float) previewDrawable.getIntrinsicHeight()),
|
|
Matrix.ScaleToFit.START);
|
|
m.getValues(mv);
|
|
scale = (float) mv[0];
|
|
} else {
|
|
// Workaround for the fact that we don't keep the original ResolveInfo associated with
|
|
// the shortcut around. To get the icon, we just render the preview image (which has
|
|
// the shortcut icon) to a new drag bitmap that clips the non-icon space.
|
|
preview = Bitmap.createBitmap(mWidgetPreviewIconPaddedDimension,
|
|
mWidgetPreviewIconPaddedDimension, Bitmap.Config.ARGB_8888);
|
|
Drawable d = image.getDrawable();
|
|
mCanvas.setBitmap(preview);
|
|
d.draw(mCanvas);
|
|
mCanvas.setBitmap(null);
|
|
createItemInfo.spanX = createItemInfo.spanY = 1;
|
|
}
|
|
|
|
// We use a custom alpha clip table for the default widget previews
|
|
Paint alphaClipPaint = null;
|
|
if (createItemInfo instanceof PendingAddWidgetInfo) {
|
|
if (((PendingAddWidgetInfo) createItemInfo).previewImage != 0) {
|
|
MaskFilter alphaClipTable = TableMaskFilter.CreateClipTable(0, 255);
|
|
alphaClipPaint = new Paint();
|
|
alphaClipPaint.setMaskFilter(alphaClipTable);
|
|
}
|
|
}
|
|
|
|
// Save the preview for the outline generation, then dim the preview
|
|
outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(),
|
|
false);
|
|
|
|
// Start the drag
|
|
alphaClipPaint = null;
|
|
mLauncher.lockScreenOrientationOnLargeUI();
|
|
mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint);
|
|
mDragController.startDrag(image, preview, this, createItemInfo,
|
|
DragController.DRAG_ACTION_COPY, null, scale);
|
|
outline.recycle();
|
|
preview.recycle();
|
|
}
|
|
|
|
@Override
|
|
protected boolean beginDragging(final View v) {
|
|
if (!super.beginDragging(v)) return false;
|
|
|
|
if (v instanceof PagedViewIcon) {
|
|
beginDraggingApplication(v);
|
|
} else if (v instanceof PagedViewWidget) {
|
|
beginDraggingWidget(v);
|
|
}
|
|
|
|
// We delay entering spring-loaded mode slightly to make sure the UI
|
|
// thready is free of any work.
|
|
postDelayed(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
// We don't enter spring-loaded mode if the drag has been cancelled
|
|
if (mLauncher.getDragController().isDragging()) {
|
|
// Dismiss the cling
|
|
mLauncher.dismissAllAppsCling(null);
|
|
|
|
// Reset the alpha on the dragged icon before we drag
|
|
resetDrawableState();
|
|
|
|
// Go into spring loaded mode (must happen before we startDrag())
|
|
mLauncher.enterSpringLoadedDragMode();
|
|
}
|
|
}
|
|
}, 150);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Clean up after dragging.
|
|
*
|
|
* @param target where the item was dragged to (can be null if the item was flung)
|
|
*/
|
|
private void endDragging(View target, boolean isFlingToDelete, boolean success) {
|
|
if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() &&
|
|
!(target instanceof DeleteDropTarget))) {
|
|
// Exit spring loaded mode if we have not successfully dropped or have not handled the
|
|
// drop in Workspace
|
|
mLauncher.exitSpringLoadedDragMode();
|
|
}
|
|
mLauncher.unlockScreenOrientationOnLargeUI();
|
|
}
|
|
|
|
@Override
|
|
public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) {
|
|
mInTransition = true;
|
|
if (toWorkspace) {
|
|
cancelAllTasks();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public View getContent() {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public void onLauncherTransitionStep(Launcher l, float t) {
|
|
}
|
|
|
|
@Override
|
|
public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) {
|
|
mInTransition = false;
|
|
for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) {
|
|
onSyncWidgetPageItems(d);
|
|
}
|
|
mDeferredSyncWidgetPageItems.clear();
|
|
}
|
|
|
|
@Override
|
|
public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete,
|
|
boolean success) {
|
|
// Return early and wait for onFlingToDeleteCompleted if this was the result of a fling
|
|
if (isFlingToDelete) return;
|
|
|
|
endDragging(target, false, success);
|
|
|
|
// Display an error message if the drag failed due to there not being enough space on the
|
|
// target layout we were dropping on.
|
|
if (!success) {
|
|
boolean showOutOfSpaceMessage = false;
|
|
if (target instanceof Workspace) {
|
|
int currentScreen = mLauncher.getCurrentWorkspaceScreen();
|
|
Workspace workspace = (Workspace) target;
|
|
CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen);
|
|
ItemInfo itemInfo = (ItemInfo) d.dragInfo;
|
|
if (layout != null) {
|
|
layout.calculateSpans(itemInfo);
|
|
showOutOfSpaceMessage =
|
|
!layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY);
|
|
}
|
|
}
|
|
if (showOutOfSpaceMessage) {
|
|
mLauncher.showOutOfSpaceMessage(false);
|
|
}
|
|
|
|
d.deferDragViewCleanupPostAnimation = false;
|
|
cleanupWidgetPreloading();
|
|
}
|
|
mDraggingWidget = false;
|
|
}
|
|
|
|
@Override
|
|
public void onFlingToDeleteCompleted() {
|
|
// We just dismiss the drag when we fling, so cleanup here
|
|
endDragging(null, true, true);
|
|
cleanupWidgetPreloading();
|
|
mDraggingWidget = false;
|
|
}
|
|
|
|
@Override
|
|
public boolean supportsFlingToDelete() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
protected void onDetachedFromWindow() {
|
|
super.onDetachedFromWindow();
|
|
cancelAllTasks();
|
|
}
|
|
|
|
public void clearAllWidgetPages() {
|
|
cancelAllTasks();
|
|
int count = getChildCount();
|
|
for (int i = 0; i < count; i++) {
|
|
View v = getPageAt(i);
|
|
if (v instanceof PagedViewGridLayout) {
|
|
((PagedViewGridLayout) v).removeAllViewsOnPage();
|
|
mDirtyPageContent.set(i, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void cancelAllTasks() {
|
|
// Clean up all the async tasks
|
|
Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator();
|
|
while (iter.hasNext()) {
|
|
AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next();
|
|
task.cancel(false);
|
|
iter.remove();
|
|
mDirtyPageContent.set(task.page, true);
|
|
}
|
|
mDeferredSyncWidgetPageItems.clear();
|
|
}
|
|
|
|
public void setContentType(ContentType type) {
|
|
if (type == ContentType.Widgets) {
|
|
invalidatePageData(mNumAppsPages, true);
|
|
} else if (type == ContentType.Applications) {
|
|
invalidatePageData(0, true);
|
|
}
|
|
}
|
|
|
|
protected void snapToPage(int whichPage, int delta, int duration) {
|
|
super.snapToPage(whichPage, delta, duration);
|
|
updateCurrentTab(whichPage);
|
|
|
|
// Update the thread priorities given the direction lookahead
|
|
Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator();
|
|
while (iter.hasNext()) {
|
|
AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next();
|
|
int pageIndex = task.page;
|
|
if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) ||
|
|
(mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) {
|
|
task.setThreadPriority(getThreadPriorityForPage(pageIndex));
|
|
} else {
|
|
task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void updateCurrentTab(int currentPage) {
|
|
AppsCustomizeTabHost tabHost = getTabHost();
|
|
if (tabHost != null) {
|
|
String tag = tabHost.getCurrentTabTag();
|
|
if (tag != null) {
|
|
if (currentPage >= mNumAppsPages &&
|
|
!tag.equals(tabHost.getTabTagForContentType(ContentType.Widgets))) {
|
|
tabHost.setCurrentTabFromContent(ContentType.Widgets);
|
|
} else if (currentPage < mNumAppsPages &&
|
|
!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) {
|
|
tabHost.setCurrentTabFromContent(ContentType.Applications);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Apps PagedView implementation
|
|
*/
|
|
private void setVisibilityOnChildren(ViewGroup layout, int visibility) {
|
|
int childCount = layout.getChildCount();
|
|
for (int i = 0; i < childCount; ++i) {
|
|
layout.getChildAt(i).setVisibility(visibility);
|
|
}
|
|
}
|
|
private void setupPage(PagedViewCellLayout layout) {
|
|
layout.setCellCount(mCellCountX, mCellCountY);
|
|
layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap);
|
|
layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
|
|
mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
|
|
|
|
// Note: We force a measure here to get around the fact that when we do layout calculations
|
|
// immediately after syncing, we don't have a proper width. That said, we already know the
|
|
// expected page width, so we can actually optimize by hiding all the TextView-based
|
|
// children that are expensive to measure, and let that happen naturally later.
|
|
setVisibilityOnChildren(layout, View.GONE);
|
|
int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST);
|
|
int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST);
|
|
layout.setMinimumWidth(getPageContentWidth());
|
|
layout.measure(widthSpec, heightSpec);
|
|
setVisibilityOnChildren(layout, View.VISIBLE);
|
|
}
|
|
|
|
public void syncAppsPageItems(int page, boolean immediate) {
|
|
// ensure that we have the right number of items on the pages
|
|
int numCells = mCellCountX * mCellCountY;
|
|
int startIndex = page * numCells;
|
|
int endIndex = Math.min(startIndex + numCells, mApps.size());
|
|
PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(page);
|
|
|
|
layout.removeAllViewsOnPage();
|
|
ArrayList<Object> items = new ArrayList<Object>();
|
|
ArrayList<Bitmap> images = new ArrayList<Bitmap>();
|
|
for (int i = startIndex; i < endIndex; ++i) {
|
|
ApplicationInfo info = mApps.get(i);
|
|
PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate(
|
|
R.layout.apps_customize_application, layout, false);
|
|
icon.applyFromApplicationInfo(info, true, this);
|
|
icon.setOnClickListener(this);
|
|
icon.setOnLongClickListener(this);
|
|
icon.setOnTouchListener(this);
|
|
icon.setOnKeyListener(this);
|
|
|
|
int index = i - startIndex;
|
|
int x = index % mCellCountX;
|
|
int y = index / mCellCountX;
|
|
layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1));
|
|
|
|
items.add(info);
|
|
images.add(info.iconBitmap);
|
|
}
|
|
|
|
layout.createHardwareLayers();
|
|
}
|
|
|
|
/**
|
|
* A helper to return the priority for loading of the specified widget page.
|
|
*/
|
|
private int getWidgetPageLoadPriority(int page) {
|
|
// If we are snapping to another page, use that index as the target page index
|
|
int toPage = mCurrentPage;
|
|
if (mNextPage > -1) {
|
|
toPage = mNextPage;
|
|
}
|
|
|
|
// We use the distance from the target page as an initial guess of priority, but if there
|
|
// are no pages of higher priority than the page specified, then bump up the priority of
|
|
// the specified page.
|
|
Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator();
|
|
int minPageDiff = Integer.MAX_VALUE;
|
|
while (iter.hasNext()) {
|
|
AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next();
|
|
minPageDiff = Math.abs(task.page - toPage);
|
|
}
|
|
|
|
int rawPageDiff = Math.abs(page - toPage);
|
|
return rawPageDiff - Math.min(rawPageDiff, minPageDiff);
|
|
}
|
|
/**
|
|
* Return the appropriate thread priority for loading for a given page (we give the current
|
|
* page much higher priority)
|
|
*/
|
|
private int getThreadPriorityForPage(int page) {
|
|
// TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below
|
|
int pageDiff = getWidgetPageLoadPriority(page);
|
|
if (pageDiff <= 0) {
|
|
return Process.THREAD_PRIORITY_LESS_FAVORABLE;
|
|
} else if (pageDiff <= 1) {
|
|
return Process.THREAD_PRIORITY_LOWEST;
|
|
} else {
|
|
return Process.THREAD_PRIORITY_LOWEST;
|
|
}
|
|
}
|
|
private int getSleepForPage(int page) {
|
|
int pageDiff = getWidgetPageLoadPriority(page);
|
|
return Math.max(0, pageDiff * sPageSleepDelay);
|
|
}
|
|
/**
|
|
* Creates and executes a new AsyncTask to load a page of widget previews.
|
|
*/
|
|
private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets,
|
|
int cellWidth, int cellHeight, int cellCountX) {
|
|
|
|
// Prune all tasks that are no longer needed
|
|
Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator();
|
|
while (iter.hasNext()) {
|
|
AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next();
|
|
int taskPage = task.page;
|
|
if (taskPage < getAssociatedLowerPageBound(mCurrentPage) ||
|
|
taskPage > getAssociatedUpperPageBound(mCurrentPage)) {
|
|
task.cancel(false);
|
|
iter.remove();
|
|
} else {
|
|
task.setThreadPriority(getThreadPriorityForPage(taskPage));
|
|
}
|
|
}
|
|
|
|
// We introduce a slight delay to order the loading of side pages so that we don't thrash
|
|
final int sleepMs = getSleepForPage(page);
|
|
AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight,
|
|
new AsyncTaskCallback() {
|
|
@Override
|
|
public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) {
|
|
try {
|
|
try {
|
|
Thread.sleep(sleepMs);
|
|
} catch (Exception e) {}
|
|
loadWidgetPreviewsInBackground(task, data);
|
|
} finally {
|
|
if (task.isCancelled()) {
|
|
data.cleanup(true);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
new AsyncTaskCallback() {
|
|
@Override
|
|
public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) {
|
|
mRunningTasks.remove(task);
|
|
if (task.isCancelled()) return;
|
|
// do cleanup inside onSyncWidgetPageItems
|
|
onSyncWidgetPageItems(data);
|
|
}
|
|
});
|
|
|
|
// Ensure that the task is appropriately prioritized and runs in parallel
|
|
AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page,
|
|
AsyncTaskPageData.Type.LoadWidgetPreviewData);
|
|
t.setThreadPriority(getThreadPriorityForPage(page));
|
|
t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData);
|
|
mRunningTasks.add(t);
|
|
}
|
|
|
|
/*
|
|
* Widgets PagedView implementation
|
|
*/
|
|
private void setupPage(PagedViewGridLayout layout) {
|
|
layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
|
|
mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
|
|
|
|
// Note: We force a measure here to get around the fact that when we do layout calculations
|
|
// immediately after syncing, we don't have a proper width.
|
|
int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST);
|
|
int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST);
|
|
layout.setMinimumWidth(getPageContentWidth());
|
|
layout.measure(widthSpec, heightSpec);
|
|
}
|
|
|
|
private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) {
|
|
renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f, 0xFFFFFFFF);
|
|
}
|
|
|
|
private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h,
|
|
float scale, int multiplyColor) {
|
|
if (bitmap != null) {
|
|
Canvas c = new Canvas(bitmap);
|
|
c.scale(scale, scale);
|
|
Rect oldBounds = d.copyBounds();
|
|
d.setBounds(x, y, x + w, y + h);
|
|
d.draw(c);
|
|
d.setBounds(oldBounds); // Restore the bounds
|
|
c.setBitmap(null);
|
|
}
|
|
}
|
|
private Bitmap getShortcutPreview(ResolveInfo info) {
|
|
// Render the background
|
|
int offset = 0;
|
|
int bitmapSize = mAppIconSize;
|
|
Bitmap preview = Bitmap.createBitmap(bitmapSize, bitmapSize, Config.ARGB_8888);
|
|
|
|
// Render the icon
|
|
Drawable icon = mIconCache.getFullResIcon(info);
|
|
renderDrawableToBitmap(icon, preview, offset, offset, mAppIconSize, mAppIconSize);
|
|
return preview;
|
|
}
|
|
|
|
private Bitmap getWidgetPreview(ComponentName provider, int previewImage, int iconId,
|
|
int cellHSpan, int cellVSpan, int maxWidth, int maxHeight) {
|
|
// Load the preview image if possible
|
|
String packageName = provider.getPackageName();
|
|
if (maxWidth < 0) maxWidth = Integer.MAX_VALUE;
|
|
if (maxHeight < 0) maxHeight = Integer.MAX_VALUE;
|
|
|
|
Drawable drawable = null;
|
|
if (previewImage != 0) {
|
|
drawable = mPackageManager.getDrawable(packageName, previewImage, null);
|
|
if (drawable == null) {
|
|
Log.w(LOG_TAG, "Can't load widget preview drawable 0x" +
|
|
Integer.toHexString(previewImage) + " for provider: " + provider);
|
|
}
|
|
}
|
|
|
|
int bitmapWidth;
|
|
int bitmapHeight;
|
|
boolean widgetPreviewExists = (drawable != null);
|
|
if (widgetPreviewExists) {
|
|
bitmapWidth = drawable.getIntrinsicWidth();
|
|
bitmapHeight = drawable.getIntrinsicHeight();
|
|
} else {
|
|
if (cellHSpan < 1) cellHSpan = 1;
|
|
if (cellVSpan < 1) cellVSpan = 1;
|
|
// Determine the size of the bitmap for the preview image we will generate
|
|
// TODO: This actually uses the apps customize cell layout params, where as we make want
|
|
// the Workspace params for more accuracy.
|
|
bitmapWidth = mWidgetSpacingLayout.estimateCellWidth(cellHSpan);
|
|
bitmapHeight = mWidgetSpacingLayout.estimateCellHeight(cellVSpan);
|
|
if (cellHSpan == cellVSpan) {
|
|
// For square widgets, we just have a fixed size for 1x1 and larger-than-1x1
|
|
int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage);
|
|
if (cellHSpan <= 1) {
|
|
bitmapWidth = bitmapHeight = mAppIconSize + 2 * minOffset;
|
|
} else {
|
|
bitmapWidth = bitmapHeight = mAppIconSize + 4 * minOffset;
|
|
}
|
|
}
|
|
}
|
|
|
|
float scale = 1f;
|
|
if (bitmapWidth > maxWidth) {
|
|
scale = maxWidth / (float) bitmapWidth;
|
|
}
|
|
if (bitmapHeight * scale > maxHeight) {
|
|
scale = maxHeight / (float) bitmapHeight;
|
|
}
|
|
if (scale != 1f) {
|
|
bitmapWidth = (int) (scale * bitmapWidth);
|
|
bitmapHeight = (int) (scale * bitmapHeight);
|
|
}
|
|
|
|
Bitmap preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Config.ARGB_8888);
|
|
|
|
if (widgetPreviewExists) {
|
|
renderDrawableToBitmap(drawable, preview, 0, 0, bitmapWidth, bitmapHeight);
|
|
} else {
|
|
// Generate a preview image if we couldn't load one
|
|
int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage);
|
|
int smallestSide = Math.min(bitmapWidth, bitmapHeight);
|
|
float iconScale = Math.min((float) smallestSide / (mAppIconSize + 2 * minOffset), 1f);
|
|
if (cellHSpan != 1 || cellVSpan != 1) {
|
|
renderDrawableToBitmap(mDefaultWidgetBackground, preview, 0, 0, bitmapWidth,
|
|
bitmapHeight);
|
|
}
|
|
|
|
// Draw the icon in the top left corner
|
|
try {
|
|
Drawable icon = null;
|
|
int hoffset = (int) (bitmapWidth / 2 - mAppIconSize * iconScale / 2);
|
|
int yoffset = (int) (bitmapHeight / 2 - mAppIconSize * iconScale / 2);
|
|
if (iconId > 0) icon = mIconCache.getFullResIcon(packageName, iconId);
|
|
Resources resources = mLauncher.getResources();
|
|
if (icon == null) icon = resources.getDrawable(R.drawable.ic_launcher_application);
|
|
|
|
renderDrawableToBitmap(icon, preview, hoffset, yoffset,
|
|
(int) (mAppIconSize * iconScale),
|
|
(int) (mAppIconSize * iconScale));
|
|
} catch (Resources.NotFoundException e) {}
|
|
}
|
|
return preview;
|
|
}
|
|
|
|
public void syncWidgetPageItems(final int page, final boolean immediate) {
|
|
int numItemsPerPage = mWidgetCountX * mWidgetCountY;
|
|
|
|
// Calculate the dimensions of each cell we are giving to each widget
|
|
final ArrayList<Object> items = new ArrayList<Object>();
|
|
int contentWidth = mWidgetSpacingLayout.getContentWidth();
|
|
final int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight
|
|
- ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX);
|
|
int contentHeight = mWidgetSpacingLayout.getContentHeight();
|
|
final int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom
|
|
- ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY);
|
|
|
|
// Prepare the set of widgets to load previews for in the background
|
|
int offset = (page - mNumAppsPages) * numItemsPerPage;
|
|
for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) {
|
|
items.add(mWidgets.get(i));
|
|
}
|
|
|
|
// Prepopulate the pages with the other widget info, and fill in the previews later
|
|
final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page);
|
|
layout.setColumnCount(layout.getCellCountX());
|
|
for (int i = 0; i < items.size(); ++i) {
|
|
Object rawInfo = items.get(i);
|
|
PendingAddItemInfo createItemInfo = null;
|
|
PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate(
|
|
R.layout.apps_customize_widget, layout, false);
|
|
if (rawInfo instanceof AppWidgetProviderInfo) {
|
|
// Fill in the widget information
|
|
AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo;
|
|
createItemInfo = new PendingAddWidgetInfo(info, null, null);
|
|
|
|
// Determine the widget spans and min resize spans.
|
|
int[] spanXY = mLauncher.getSpanForWidget(info);
|
|
createItemInfo.spanX = spanXY[0];
|
|
createItemInfo.spanY = spanXY[1];
|
|
int[] minSpanXY = mLauncher.getMinSpanForWidget(info);
|
|
createItemInfo.minSpanX = minSpanXY[0];
|
|
createItemInfo.minSpanY = minSpanXY[1];
|
|
|
|
widget.applyFromAppWidgetProviderInfo(info, -1, spanXY);
|
|
widget.setTag(createItemInfo);
|
|
widget.setShortPressListener(this);
|
|
} else if (rawInfo instanceof ResolveInfo) {
|
|
// Fill in the shortcuts information
|
|
ResolveInfo info = (ResolveInfo) rawInfo;
|
|
createItemInfo = new PendingAddItemInfo();
|
|
createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
|
|
createItemInfo.componentName = new ComponentName(info.activityInfo.packageName,
|
|
info.activityInfo.name);
|
|
widget.applyFromResolveInfo(mPackageManager, info);
|
|
widget.setTag(createItemInfo);
|
|
}
|
|
widget.setOnClickListener(this);
|
|
widget.setOnLongClickListener(this);
|
|
widget.setOnTouchListener(this);
|
|
widget.setOnKeyListener(this);
|
|
|
|
// Layout each widget
|
|
int ix = i % mWidgetCountX;
|
|
int iy = i / mWidgetCountX;
|
|
GridLayout.LayoutParams lp = new GridLayout.LayoutParams(
|
|
GridLayout.spec(iy, GridLayout.LEFT),
|
|
GridLayout.spec(ix, GridLayout.TOP));
|
|
lp.width = cellWidth;
|
|
lp.height = cellHeight;
|
|
lp.setGravity(Gravity.TOP | Gravity.LEFT);
|
|
if (ix > 0) lp.leftMargin = mWidgetWidthGap;
|
|
if (iy > 0) lp.topMargin = mWidgetHeightGap;
|
|
layout.addView(widget, lp);
|
|
}
|
|
|
|
// wait until a call on onLayout to start loading, because
|
|
// PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out
|
|
// TODO: can we do a measure/layout immediately?
|
|
layout.setOnLayoutListener(new Runnable() {
|
|
public void run() {
|
|
// Load the widget previews
|
|
int maxPreviewWidth = cellWidth;
|
|
int maxPreviewHeight = cellHeight;
|
|
if (layout.getChildCount() > 0) {
|
|
PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0);
|
|
int[] maxSize = w.getPreviewSize();
|
|
maxPreviewWidth = maxSize[0];
|
|
maxPreviewHeight = maxSize[1];
|
|
}
|
|
if (immediate) {
|
|
AsyncTaskPageData data = new AsyncTaskPageData(page, items,
|
|
maxPreviewWidth, maxPreviewHeight, null, null);
|
|
loadWidgetPreviewsInBackground(null, data);
|
|
onSyncWidgetPageItems(data);
|
|
} else {
|
|
prepareLoadWidgetPreviewsTask(page, items,
|
|
maxPreviewWidth, maxPreviewHeight, mWidgetCountX);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task,
|
|
AsyncTaskPageData data) {
|
|
// loadWidgetPreviewsInBackground can be called without a task to load a set of widget
|
|
// previews synchronously
|
|
if (task != null) {
|
|
// Ensure that this task starts running at the correct priority
|
|
task.syncThreadPriority();
|
|
}
|
|
|
|
// Load each of the widget/shortcut previews
|
|
ArrayList<Object> items = data.items;
|
|
ArrayList<Bitmap> images = data.generatedImages;
|
|
int count = items.size();
|
|
for (int i = 0; i < count; ++i) {
|
|
if (task != null) {
|
|
// Ensure we haven't been cancelled yet
|
|
if (task.isCancelled()) break;
|
|
// Before work on each item, ensure that this task is running at the correct
|
|
// priority
|
|
task.syncThreadPriority();
|
|
}
|
|
|
|
Object rawInfo = items.get(i);
|
|
if (rawInfo instanceof AppWidgetProviderInfo) {
|
|
AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo;
|
|
int[] cellSpans = mLauncher.getSpanForWidget(info);
|
|
|
|
int maxWidth = Math.min(data.maxImageWidth,
|
|
mWidgetSpacingLayout.estimateCellWidth(cellSpans[0]));
|
|
int maxHeight = Math.min(data.maxImageHeight,
|
|
mWidgetSpacingLayout.estimateCellHeight(cellSpans[1]));
|
|
Bitmap b = getWidgetPreview(info.provider, info.previewImage, info.icon,
|
|
cellSpans[0], cellSpans[1], maxWidth, maxHeight);
|
|
images.add(b);
|
|
} else if (rawInfo instanceof ResolveInfo) {
|
|
// Fill in the shortcuts information
|
|
ResolveInfo info = (ResolveInfo) rawInfo;
|
|
images.add(getShortcutPreview(info));
|
|
}
|
|
}
|
|
}
|
|
|
|
private void onSyncWidgetPageItems(AsyncTaskPageData data) {
|
|
if (mInTransition) {
|
|
mDeferredSyncWidgetPageItems.add(data);
|
|
return;
|
|
}
|
|
try {
|
|
int page = data.page;
|
|
PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page);
|
|
|
|
ArrayList<Object> items = data.items;
|
|
int count = items.size();
|
|
for (int i = 0; i < count; ++i) {
|
|
PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i);
|
|
if (widget != null) {
|
|
Bitmap preview = data.generatedImages.get(i);
|
|
widget.applyPreview(new FastBitmapDrawable(preview), i);
|
|
}
|
|
}
|
|
|
|
layout.createHardwareLayer();
|
|
invalidate();
|
|
|
|
// Update all thread priorities
|
|
Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator();
|
|
while (iter.hasNext()) {
|
|
AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next();
|
|
int pageIndex = task.page;
|
|
task.setThreadPriority(getThreadPriorityForPage(pageIndex));
|
|
}
|
|
} finally {
|
|
data.cleanup(false);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void syncPages() {
|
|
removeAllViews();
|
|
cancelAllTasks();
|
|
|
|
Context context = getContext();
|
|
for (int j = 0; j < mNumWidgetPages; ++j) {
|
|
PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX,
|
|
mWidgetCountY);
|
|
setupPage(layout);
|
|
addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT,
|
|
LayoutParams.MATCH_PARENT));
|
|
}
|
|
|
|
for (int i = 0; i < mNumAppsPages; ++i) {
|
|
PagedViewCellLayout layout = new PagedViewCellLayout(context);
|
|
setupPage(layout);
|
|
addView(layout);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void syncPageItems(int page, boolean immediate) {
|
|
if (page < mNumAppsPages) {
|
|
syncAppsPageItems(page, immediate);
|
|
} else {
|
|
syncWidgetPageItems(page, immediate);
|
|
}
|
|
}
|
|
|
|
// We want our pages to be z-ordered such that the further a page is to the left, the higher
|
|
// it is in the z-order. This is important to insure touch events are handled correctly.
|
|
View getPageAt(int index) {
|
|
return getChildAt(indexToPage(index));
|
|
}
|
|
|
|
@Override
|
|
protected int indexToPage(int index) {
|
|
return getChildCount() - index - 1;
|
|
}
|
|
|
|
// In apps customize, we have a scrolling effect which emulates pulling cards off of a stack.
|
|
@Override
|
|
protected void screenScrolled(int screenCenter) {
|
|
super.screenScrolled(screenCenter);
|
|
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
View v = getPageAt(i);
|
|
if (v != null) {
|
|
float scrollProgress = getScrollProgress(screenCenter, v, i);
|
|
|
|
float interpolatedProgress =
|
|
mZInterpolator.getInterpolation(Math.abs(Math.min(scrollProgress, 0)));
|
|
float scale = (1 - interpolatedProgress) +
|
|
interpolatedProgress * TRANSITION_SCALE_FACTOR;
|
|
float translationX = Math.min(0, scrollProgress) * v.getMeasuredWidth();
|
|
|
|
float alpha;
|
|
|
|
if (!LauncherApplication.isScreenLarge() || scrollProgress < 0) {
|
|
alpha = scrollProgress < 0 ? mAlphaInterpolator.getInterpolation(
|
|
1 - Math.abs(scrollProgress)) : 1.0f;
|
|
} else {
|
|
// On large screens we need to fade the page as it nears its leftmost position
|
|
alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress);
|
|
}
|
|
|
|
v.setCameraDistance(mDensity * CAMERA_DISTANCE);
|
|
int pageWidth = v.getMeasuredWidth();
|
|
int pageHeight = v.getMeasuredHeight();
|
|
|
|
if (PERFORM_OVERSCROLL_ROTATION) {
|
|
if (i == 0 && scrollProgress < 0) {
|
|
// Overscroll to the left
|
|
v.setPivotX(TRANSITION_PIVOT * pageWidth);
|
|
v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress);
|
|
scale = 1.0f;
|
|
alpha = 1.0f;
|
|
// On the first page, we don't want the page to have any lateral motion
|
|
translationX = 0;
|
|
} else if (i == getChildCount() - 1 && scrollProgress > 0) {
|
|
// Overscroll to the right
|
|
v.setPivotX((1 - TRANSITION_PIVOT) * pageWidth);
|
|
v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress);
|
|
scale = 1.0f;
|
|
alpha = 1.0f;
|
|
// On the last page, we don't want the page to have any lateral motion.
|
|
translationX = 0;
|
|
} else {
|
|
v.setPivotY(pageHeight / 2.0f);
|
|
v.setPivotX(pageWidth / 2.0f);
|
|
v.setRotationY(0f);
|
|
}
|
|
}
|
|
|
|
v.setTranslationX(translationX);
|
|
v.setScaleX(scale);
|
|
v.setScaleY(scale);
|
|
v.setAlpha(alpha);
|
|
|
|
// If the view has 0 alpha, we set it to be invisible so as to prevent
|
|
// it from accepting touches
|
|
if (alpha == 0) {
|
|
v.setVisibility(INVISIBLE);
|
|
} else if (v.getVisibility() != VISIBLE) {
|
|
v.setVisibility(VISIBLE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void overScroll(float amount) {
|
|
acceleratedOverScroll(amount);
|
|
}
|
|
|
|
/**
|
|
* Used by the parent to get the content width to set the tab bar to
|
|
* @return
|
|
*/
|
|
public int getPageContentWidth() {
|
|
return mContentWidth;
|
|
}
|
|
|
|
@Override
|
|
protected void onPageEndMoving() {
|
|
super.onPageEndMoving();
|
|
|
|
// We reset the save index when we change pages so that it will be recalculated on next
|
|
// rotation
|
|
mSaveInstanceStateItemIndex = -1;
|
|
}
|
|
|
|
/*
|
|
* AllAppsView implementation
|
|
*/
|
|
@Override
|
|
public void setup(Launcher launcher, DragController dragController) {
|
|
mLauncher = launcher;
|
|
mDragController = dragController;
|
|
}
|
|
@Override
|
|
public void zoom(float zoom, boolean animate) {
|
|
// TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed()
|
|
}
|
|
@Override
|
|
public boolean isVisible() {
|
|
return (getVisibility() == VISIBLE);
|
|
}
|
|
@Override
|
|
public boolean isAnimating() {
|
|
return false;
|
|
}
|
|
@Override
|
|
public void setApps(ArrayList<ApplicationInfo> list) {
|
|
mApps = list;
|
|
Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR);
|
|
updatePageCounts();
|
|
|
|
// The next layout pass will trigger data-ready if both widgets and apps are set, so
|
|
// request a layout to do this test and invalidate the page data when ready.
|
|
if (testDataReady()) requestLayout();
|
|
}
|
|
private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
|
|
// We add it in place, in alphabetical order
|
|
int count = list.size();
|
|
for (int i = 0; i < count; ++i) {
|
|
ApplicationInfo info = list.get(i);
|
|
int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR);
|
|
if (index < 0) {
|
|
mApps.add(-(index + 1), info);
|
|
}
|
|
}
|
|
}
|
|
@Override
|
|
public void addApps(ArrayList<ApplicationInfo> list) {
|
|
addAppsWithoutInvalidate(list);
|
|
updatePageCounts();
|
|
invalidatePageData();
|
|
}
|
|
private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) {
|
|
ComponentName removeComponent = item.intent.getComponent();
|
|
int length = list.size();
|
|
for (int i = 0; i < length; ++i) {
|
|
ApplicationInfo info = list.get(i);
|
|
if (info.intent.getComponent().equals(removeComponent)) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
|
|
// loop through all the apps and remove apps that have the same component
|
|
int length = list.size();
|
|
for (int i = 0; i < length; ++i) {
|
|
ApplicationInfo info = list.get(i);
|
|
int removeIndex = findAppByComponent(mApps, info);
|
|
if (removeIndex > -1) {
|
|
mApps.remove(removeIndex);
|
|
}
|
|
}
|
|
}
|
|
@Override
|
|
public void removeApps(ArrayList<ApplicationInfo> list) {
|
|
removeAppsWithoutInvalidate(list);
|
|
updatePageCounts();
|
|
invalidatePageData();
|
|
}
|
|
@Override
|
|
public void updateApps(ArrayList<ApplicationInfo> list) {
|
|
// We remove and re-add the updated applications list because it's properties may have
|
|
// changed (ie. the title), and this will ensure that the items will be in their proper
|
|
// place in the list.
|
|
removeAppsWithoutInvalidate(list);
|
|
addAppsWithoutInvalidate(list);
|
|
updatePageCounts();
|
|
|
|
invalidatePageData();
|
|
}
|
|
|
|
@Override
|
|
public void reset() {
|
|
// If we have reset, then we should not continue to restore the previous state
|
|
mSaveInstanceStateItemIndex = -1;
|
|
|
|
AppsCustomizeTabHost tabHost = getTabHost();
|
|
String tag = tabHost.getCurrentTabTag();
|
|
if (tag != null) {
|
|
if (!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) {
|
|
tabHost.setCurrentTabFromContent(ContentType.Applications);
|
|
}
|
|
}
|
|
|
|
if (mCurrentPage != 0) {
|
|
invalidatePageData(0);
|
|
}
|
|
}
|
|
|
|
private AppsCustomizeTabHost getTabHost() {
|
|
return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane);
|
|
}
|
|
|
|
@Override
|
|
public void dumpState() {
|
|
// TODO: Dump information related to current list of Applications, Widgets, etc.
|
|
ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps);
|
|
dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets);
|
|
}
|
|
|
|
private void dumpAppWidgetProviderInfoList(String tag, String label,
|
|
ArrayList<Object> list) {
|
|
Log.d(tag, label + " size=" + list.size());
|
|
for (Object i: list) {
|
|
if (i instanceof AppWidgetProviderInfo) {
|
|
AppWidgetProviderInfo info = (AppWidgetProviderInfo) i;
|
|
Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage
|
|
+ " resizeMode=" + info.resizeMode + " configure=" + info.configure
|
|
+ " initialLayout=" + info.initialLayout
|
|
+ " minWidth=" + info.minWidth + " minHeight=" + info.minHeight);
|
|
} else if (i instanceof ResolveInfo) {
|
|
ResolveInfo info = (ResolveInfo) i;
|
|
Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon="
|
|
+ info.icon);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void surrender() {
|
|
// TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we
|
|
// should stop this now.
|
|
|
|
// Stop all background tasks
|
|
cancelAllTasks();
|
|
}
|
|
|
|
@Override
|
|
public void iconPressed(PagedViewIcon icon) {
|
|
// Reset the previously pressed icon and store a reference to the pressed icon so that
|
|
// we can reset it on return to Launcher (in Launcher.onResume())
|
|
if (mPressedIcon != null) {
|
|
mPressedIcon.resetDrawableState();
|
|
}
|
|
mPressedIcon = icon;
|
|
}
|
|
|
|
public void resetDrawableState() {
|
|
if (mPressedIcon != null) {
|
|
mPressedIcon.resetDrawableState();
|
|
mPressedIcon = null;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We load an extra page on each side to prevent flashes from scrolling and loading of the
|
|
* widget previews in the background with the AsyncTasks.
|
|
*/
|
|
final static int sLookBehindPageCount = 2;
|
|
final static int sLookAheadPageCount = 2;
|
|
protected int getAssociatedLowerPageBound(int page) {
|
|
final int count = getChildCount();
|
|
int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1);
|
|
int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0);
|
|
return windowMinIndex;
|
|
}
|
|
protected int getAssociatedUpperPageBound(int page) {
|
|
final int count = getChildCount();
|
|
int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1);
|
|
int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1),
|
|
count - 1);
|
|
return windowMaxIndex;
|
|
}
|
|
|
|
@Override
|
|
protected String getCurrentPageDescription() {
|
|
int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage;
|
|
int stringId = R.string.default_scroll_format;
|
|
int count = 0;
|
|
|
|
if (page < mNumAppsPages) {
|
|
stringId = R.string.apps_customize_apps_scroll_format;
|
|
count = mNumAppsPages;
|
|
} else {
|
|
page -= mNumAppsPages;
|
|
stringId = R.string.apps_customize_widgets_scroll_format;
|
|
count = mNumWidgetPages;
|
|
}
|
|
|
|
return String.format(getContext().getString(stringId), page + 1, count);
|
|
}
|
|
}
|