/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.limemobile.app.launcher.util;
import java.util.HashMap;
import java.util.Iterator;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import com.limemobile.app.launcher.LauncherApplication;
import com.limemobile.app.launcher.entity.ApplicationInfo;
import com.limemobile.app.launcher.util.Utilities.BubbleText;
/**
* Cache of application icons. Icons can be made from any thread.
*/
public class IconCache {
private static final String TAG = "Launcher.IconCache";
private static final int INITIAL_ICON_CACHE_CAPACITY = 50;
private static final int INITIAL_HOTSEAT_ICON_CASE_CAPACITY = 4;
private static class CacheEntry {
public Bitmap icon;
public String title;
public Bitmap titleBitmap;
}
private final Bitmap mDefaultIcon;
private final LauncherApplication mContext;
private final PackageManager mPackageManager;
private final BubbleText mBubble;
private final HashMap<ComponentName, CacheEntry> mCache =
new HashMap<ComponentName, CacheEntry>(INITIAL_ICON_CACHE_CAPACITY);
private final HashMap<String, CacheEntry> mHotseatCache =
new HashMap<String, CacheEntry>(INITIAL_HOTSEAT_ICON_CASE_CAPACITY);
public IconCache(LauncherApplication context) {
mContext = context;
mPackageManager = context.getPackageManager();
mBubble = new Utilities.BubbleText(context);
mDefaultIcon = makeDefaultIcon();
}
private Bitmap makeDefaultIcon() {
Drawable d = mPackageManager.getDefaultActivityIcon();
Bitmap b = Bitmap.createBitmap(Math.max(d.getIntrinsicWidth(), 1),
Math.max(d.getIntrinsicHeight(), 1),
Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
d.setBounds(0, 0, b.getWidth(), b.getHeight());
d.draw(c);
return b;
}
/**
* Remove any records for the supplied ComponentName.
*/
public void remove(ComponentName componentName) {
synchronized (mCache) {
mCache.remove(componentName);
}
}
/**
* Empty out the cache.
*/
public void flush() {
synchronized (mCache) {
Iterator<ComponentName> iterator = mCache.keySet().iterator();
while(iterator.hasNext()){
CacheEntry entry = mCache.get(iterator.next());
if (entry.icon != null && !entry.icon.isRecycled())
entry.icon.recycle();
if (entry.titleBitmap != null && !entry.titleBitmap.isRecycled())
entry.titleBitmap.recycle();
entry = null;
}
mCache.clear();
}
synchronized (mHotseatCache) {
Iterator<String> iterator = mHotseatCache.keySet().iterator();
while (iterator.hasNext()) {
CacheEntry entry = mHotseatCache.get(iterator.next());
if (entry.icon != null && !entry.icon.isRecycled())
entry.icon.recycle();
if (entry.titleBitmap != null && !entry.titleBitmap.isRecycled())
entry.titleBitmap.recycle();
entry = null;
}
mHotseatCache.clear();
}
}
public void flushHotseat() {
synchronized (mHotseatCache) {
Iterator<String> iterator = mHotseatCache.keySet().iterator();
while (iterator.hasNext()) {
CacheEntry entry = mHotseatCache.get(iterator.next());
if (entry.icon != null && !entry.icon.isRecycled())
entry.icon.recycle();
if (entry.titleBitmap != null && !entry.titleBitmap.isRecycled())
entry.titleBitmap.recycle();
entry = null;
}
mHotseatCache.clear();
}
}
/**
* Fill in "application" with the icon and label for "info."
*/
public void getTitleAndIcon(ApplicationInfo application, ResolveInfo info) {
synchronized (mCache) {
CacheEntry entry = cacheLocked(application.componentName, info);
if (entry.titleBitmap == null) {
entry.titleBitmap = mBubble.createTextBitmap(entry.title);
}
application.title = entry.title;
application.titleBitmap = entry.titleBitmap;
application.iconBitmap = entry.icon;
}
}
public Bitmap getIcon(Intent intent) {
synchronized (mCache) {
final ResolveInfo resolveInfo = mPackageManager.resolveActivity(intent, 0);
ComponentName component = intent.getComponent();
if (resolveInfo == null || component == null) {
return mDefaultIcon;
}
CacheEntry entry = cacheLocked(component, resolveInfo);
return entry.icon;
}
}
public Bitmap getIcon(ComponentName component, ResolveInfo resolveInfo) {
synchronized (mCache) {
if (resolveInfo == null || component == null) {
return null;
}
CacheEntry entry = cacheLocked(component, resolveInfo);
return entry.icon;
}
}
public boolean isDefaultIcon(Bitmap icon) {
return mDefaultIcon == icon;
}
private CacheEntry cacheLocked(ComponentName componentName, ResolveInfo info) {
CacheEntry entry = mCache.get(componentName);
if (entry == null) {
entry = new CacheEntry();
mCache.put(componentName, entry);
entry.title = info.loadLabel(mPackageManager).toString();
if (entry.title == null) {
entry.title = info.activityInfo.name;
}
entry.icon = Utilities.createIconBitmap(
info.activityInfo.loadIcon(mPackageManager), mContext);
}
return entry;
}
public Bitmap getReflectionIcon(Intent intent) {
synchronized (mCache) {
final ResolveInfo resolveInfo = mPackageManager.resolveActivity(intent, 0);
CacheEntry entry = mHotseatCache.get(intent.toString());
if (entry == null) {
entry = new CacheEntry();
mHotseatCache.put(intent.toString(), entry);
if (resolveInfo != null) {
entry.title = resolveInfo.loadLabel(mPackageManager).toString();
if (entry.title == null) {
entry.title = resolveInfo.activityInfo.name;
}
}
Bitmap temp = (resolveInfo == null) ? mDefaultIcon : Utilities.createIconBitmap(
resolveInfo.activityInfo.loadIcon(mPackageManager), mContext);
entry.icon = createReflection(temp, 0,
temp.getHeight() - temp.getHeight() / 2, temp.getWidth(),
temp.getHeight() / 2);
temp.recycle();
}
return entry.icon;
}
}
public Bitmap getReflectionIcon(Intent intent, Drawable icon) {
synchronized (mCache) {
final ResolveInfo resolveInfo = mPackageManager.resolveActivity(intent, 0);
Configuration config = mContext.getResources().getConfiguration();
CacheEntry entry = mHotseatCache.get(intent.toString());
if (entry == null) {
entry = new CacheEntry();
mHotseatCache.put(intent.toString(), entry);
if (resolveInfo != null) {
entry.title = resolveInfo.loadLabel(mPackageManager).toString();
if (entry.title == null) {
entry.title = resolveInfo.activityInfo.name;
}
}
Bitmap temp = (resolveInfo == null) ? mDefaultIcon : Utilities.createIconBitmap(icon, mContext);
if (config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
entry.icon = createReflection(temp, temp.getWidth() - temp.getWidth() * 2 / 4, 0, temp.getWidth() * 2 / 4, 0);
} else {
entry.icon = createReflection(temp, 0,
temp.getHeight() - temp.getHeight() / 2, 0,
temp.getHeight() / 2);
}
temp.recycle();
}
return entry.icon;
}
}
public static Bitmap createReflection(Bitmap bitmap, int reflectionX, int reflectionY,
int reflectionWidth, int reflectionHeight) {
return createReflection(bitmap, reflectionX, reflectionY,
reflectionWidth, reflectionHeight, 90);
}
public static Bitmap createReflection(Bitmap bitmap, int reflectionX, int reflectionY,
int reflectionWidth, int reflectionHeight, int aplha) {
Bitmap bitmapWithReflection = null;
if (bitmap != null) {
try {
boolean landscape = reflectionWidth > 0;
int space = landscape ? 5 : 0;
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Matrix matrix = new Matrix();
if (landscape)
matrix.preScale(-1, 1);
else
matrix.preScale(1, -1);
Bitmap reflectionImage = Bitmap.createBitmap(bitmap, reflectionX, reflectionY,
landscape ? reflectionWidth : width,
landscape ? height : reflectionHeight, matrix, false);
bitmapWithReflection = Bitmap.createBitmap(width + reflectionWidth + (landscape ? space : 0), height + reflectionHeight + (landscape ? 0 : space),
Config.ARGB_8888);
bitmapWithReflection.setDensity(Bitmap.DENSITY_NONE);
Canvas canvasTemp = new Canvas(bitmapWithReflection);
Paint paint = new Paint();
Rect src = new Rect(0, 0, width, height);
RectF dst = new RectF(src);
canvasTemp.drawBitmap(bitmap, src, dst, paint);
paint.setAlpha(aplha);
src.left = 0;
src.top = 0;
src.right = reflectionImage.getWidth();
src.bottom = reflectionImage.getHeight();
if (landscape) {
dst.left = width + space;
dst.right = dst.left + reflectionWidth;
} else {
dst.top = height + space;
dst.bottom = dst.top + reflectionHeight;
}
canvasTemp.drawBitmap(reflectionImage, src, dst, paint);
reflectionImage.recycle();
reflectionImage = null;
matrix = null;
paint = null;
canvasTemp = null;
} catch (OutOfMemoryError e) {
}
return bitmapWithReflection;
} else {
return null;
}
}
}