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/*
* Copyright (C) 2014 The CyanogenMod 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 org.cyanogenmod.themes.provider.util;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ThemeUtils;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.content.res.ThemeConfig;
import android.graphics.Bitmap;
import org.cyanogenmod.themes.provider.R;
import java.io.File;
import java.io.IOException;
public class WallpaperPreviewGenerator {
private static final String WALLPAPER_ASSET_PATH = "wallpapers";
private static final String LOCKSCREEN_ASSET_PATH = "lockscreen";
private Context mContext;
private int mPreviewSize;
private int mThumbnailSize;
public WallpaperPreviewGenerator(Context context) {
mContext = context;
final Resources res = context.getResources();
mPreviewSize = res.getDimensionPixelSize(R.dimen.wallpaper_preview_size);
mThumbnailSize = res.getDimensionPixelSize(R.dimen.wallpaper_thumbnail_size);
}
public WallpaperItems generateWallpaperPreviews(PackageInfo themeInfo)
throws NameNotFoundException, IOException {
WallpaperItems items = new WallpaperItems();
if (themeInfo == null) {
Resources res = mContext.getPackageManager().getThemedResourcesForApplication("android",
ThemeConfig.SYSTEM_DEFAULT);
items.wpPreview = items.lsPreview = BitmapUtils.decodeResource(res,
com.android.internal.R.drawable.default_wallpaper, mPreviewSize, mPreviewSize);
} else {
final Context themeContext = mContext.createPackageContext(themeInfo.packageName, 0);
final AssetManager assets = themeContext.getAssets();
String path = ThemeUtils.getWallpaperPath(assets);
if (path != null) {
items.wpPreview = BitmapUtils.getBitmapFromAsset(themeContext, path,
mPreviewSize, mPreviewSize);
}
path = ThemeUtils.getLockscreenWallpaperPath(assets);
if (path != null) {
items.lsPreview = BitmapUtils.getBitmapFromAsset(themeContext, path,
mPreviewSize, mPreviewSize);
}
}
if (items.wpPreview != null) {
items.wpThumbnail = Bitmap.createScaledBitmap(items.wpPreview, mThumbnailSize,
mThumbnailSize, true);
}
if (items.lsPreview != null) {
items.lsThumbnail = Bitmap.createScaledBitmap(items.lsPreview, mThumbnailSize,
mThumbnailSize, true);
}
return items;
}
public class WallpaperItems {
// Wallpaper items
public Bitmap wpThumbnail;
public Bitmap wpPreview;
// Lockscreen wallpaper items
public Bitmap lsThumbnail;
public Bitmap lsPreview;
}
}
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