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Code Issues Packages Projects Releases Wiki Activity

Adding reusable version of IconCache and IconFactory

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> Adding resource based allowing projects to control cache behavior
> Fixing missing comments from ag/5470467
> Adding support for no-immemory cache

Bug: 115891474
Change-Id: I691206805430cd93d3be78119bc249cefd79790a
This commit is contained in:
Sunny Goyal
2018-11-09 11:13:10 -08:00
parent 7b3c12f90e
commit 202fabfe10
11 changed files with 303 additions and 40 deletions
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46
iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java vendored
View File

@@ -15,6 +15,7 @@
*/
package com.android.launcher3.icons.cache;
import static com.android.launcher3.icons.BaseIconFactory.getFullResDefaultActivityIcon;
import static com.android.launcher3.icons.BitmapInfo.LOW_RES_ICON;
import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
@@ -34,7 +35,6 @@ import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Build.VERSION;
import android.os.Handler;
import android.os.Looper;
import android.os.Process;
@@ -50,9 +50,13 @@ import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.Provider;
import com.android.launcher3.util.SQLiteCacheHelper;
import java.util.AbstractMap;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import androidx.annotation.NonNull;
@@ -76,8 +80,7 @@ public abstract class BaseIconCache {
protected final Context mContext;
protected final PackageManager mPackageManager;
private final HashMap<ComponentKey, CacheEntry> mCache =
new HashMap<>(INITIAL_ICON_CACHE_CAPACITY);
private final Map<ComponentKey, CacheEntry> mCache;
protected final Handler mWorkerHandler;
protected int mIconDpi;
@@ -89,13 +92,30 @@ public abstract class BaseIconCache {
private final Looper mBgLooper;
public BaseIconCache(Context context, String dbFileName, Looper bgLooper,
int iconDpi, int iconPixelSize) {
int iconDpi, int iconPixelSize, boolean inMemoryCache) {
mContext = context;
mDbFileName = dbFileName;
mPackageManager = context.getPackageManager();
mBgLooper = bgLooper;
mWorkerHandler = new Handler(mBgLooper);
if (inMemoryCache) {
mCache = new HashMap<>(INITIAL_ICON_CACHE_CAPACITY);
} else {
// Use a dummy cache
mCache = new AbstractMap<ComponentKey, CacheEntry>() {
@Override
public Set<Entry<ComponentKey, CacheEntry>> entrySet() {
return Collections.emptySet();
}
@Override
public CacheEntry put(ComponentKey key, CacheEntry value) {
return value;
}
};
}
if (BitmapRenderer.USE_HARDWARE_BITMAP && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
mDecodeOptions = new BitmapFactory.Options();
mDecodeOptions.inPreferredConfig = Bitmap.Config.HARDWARE;
@@ -137,27 +157,20 @@ public abstract class BaseIconCache {
mCache.clear();
}
private Drawable getFullResDefaultActivityIcon() {
return Resources.getSystem().getDrawableForDensity(
Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
? android.R.drawable.sym_def_app_icon : android.R.mipmap.sym_def_app_icon,
mIconDpi);
}
private Drawable getFullResIcon(Resources resources, int iconId) {
if (resources != null && iconId != 0) {
try {
return resources.getDrawableForDensity(iconId, mIconDpi);
} catch (Resources.NotFoundException e) { }
}
return getFullResDefaultActivityIcon();
return getFullResDefaultActivityIcon(mIconDpi);
}
public Drawable getFullResIcon(String packageName, int iconId) {
try {
return getFullResIcon(mPackageManager.getResourcesForApplication(packageName), iconId);
} catch (PackageManager.NameNotFoundException e) { }
return getFullResDefaultActivityIcon();
return getFullResDefaultActivityIcon(mIconDpi);
}
public Drawable getFullResIcon(ActivityInfo info) {
@@ -165,13 +178,12 @@ public abstract class BaseIconCache {
return getFullResIcon(mPackageManager.getResourcesForApplication(info.applicationInfo),
info.getIconResource());
} catch (PackageManager.NameNotFoundException e) { }
return getFullResDefaultActivityIcon();
return getFullResDefaultActivityIcon(mIconDpi);
}
protected BitmapInfo makeDefaultIcon(UserHandle user) {
private BitmapInfo makeDefaultIcon(UserHandle user) {
try (BaseIconFactory li = getIconFactory()) {
return li.createBadgedIconBitmap(
getFullResDefaultActivityIcon(), user, VERSION.SDK_INT);
return li.makeDefaultIcon(user);
}
}