Split ApplicationInfo into ApplicationInfo which is used for AllAppsView and ShortcutInfo which is
used for the workspace.
Consolidate the three icon resampling functions into one.
Ensure that the icons stored in LauncherProvider are the right size, so we don't have to resample
them each time we load them.
diff --git a/src/com/android/launcher2/IconCache.java b/src/com/android/launcher2/IconCache.java
new file mode 100644
index 0000000..847cab7
--- /dev/null
+++ b/src/com/android/launcher2/IconCache.java
@@ -0,0 +1,138 @@
+/*
+ * 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.android.launcher2;
+
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.BitmapDrawable;
+import android.net.Uri;
+import android.util.Log;
+import android.os.Process;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * 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 class CacheEntry {
+ public Bitmap icon;
+ public String title;
+ public Bitmap titleBitmap;
+ }
+
+ private LauncherApplication mContext;
+ private PackageManager mPackageManager;
+ private Utilities.BubbleText mBubble;
+ private final HashMap<ComponentName, CacheEntry> mCache =
+ new HashMap<ComponentName, CacheEntry>(INITIAL_ICON_CACHE_CAPACITY);
+
+ public IconCache(LauncherApplication context) {
+ mContext = context;
+ mPackageManager = context.getPackageManager();
+ mBubble = new Utilities.BubbleText(context);
+ }
+
+ /**
+ * 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) {
+ mCache.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);
+
+ application.title = entry.title;
+ application.titleBitmap = entry.titleBitmap;
+ application.iconBitmap = entry.icon;
+ }
+ }
+
+ public Bitmap getIcon(Intent intent) {
+ final ResolveInfo resolveInfo = mPackageManager.resolveActivity(intent, 0);
+ ComponentName component = intent.getComponent();
+
+ if (resolveInfo == null || component == null) {
+ return null;
+ }
+
+ CacheEntry entry = cacheLocked(component, resolveInfo);
+ return entry.icon;
+ }
+
+ public Bitmap getIcon(ComponentName component, ResolveInfo resolveInfo) {
+ if (resolveInfo == null || component == null) {
+ return null;
+ }
+
+ CacheEntry entry = cacheLocked(component, resolveInfo);
+ return entry.icon;
+ }
+
+ private CacheEntry cacheLocked(ComponentName componentName, ResolveInfo info) {
+ CacheEntry entry = mCache.get(componentName);
+ if (entry == null) {
+ entry = new CacheEntry();
+
+ entry.title = info.loadLabel(mPackageManager).toString();
+ if (entry.title == null) {
+ entry.title = info.activityInfo.name;
+ }
+ entry.titleBitmap = mBubble.createTextBitmap(entry.title.toString());
+ entry.icon = Utilities.createIconBitmap(
+ info.activityInfo.loadIcon(mPackageManager), mContext);
+
+ mCache.put(componentName, entry);
+ }
+ return entry;
+ }
+}
+