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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;
import android.app.IntentService;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Environment;
import android.provider.ThemesContract.ThemesColumns;
import android.util.Log;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
/*
* Copies images from the theme APK to the local provider's cache
*/
public class CopyImageService extends IntentService {
public static final String ACTION_INSERT = "org.cyanogenmod.themes.provider.action.insert";
public static final String ACTION_DELETE = "org.cyanogenmod.themes.provider.action.delete";
public static final String EXTRA_PKG_NAME = "extra_pkg_name";
private static final String TAG = CopyImageService.class.getName();
private static final String IMAGES_PATH =
"/data/org.cyanogenmod.themes.provider/files/images/";
private static final String WALLPAPER_PATH =
"/data/org.cyanogenmod.themes.provider/files/wallpapers/";
private static final String WALLPAPER_PREVIEW = "images/wallpaper_preview";
private static final String LOCKSCREEN_PREVIEW = "images/lockscreen_preview";
private static final String STYLES_PREVIEW = "images/styles_preview";
private static final String EXT_JPG = ".jpg";
private static final String EXT_PNG = ".png";
public CopyImageService() {
super(CopyImageService.class.getName());
}
@Override
protected void onHandleIntent(Intent intent) {
if (intent.getExtras() == null || intent.getExtras().getString(EXTRA_PKG_NAME) == null) {
Log.e(TAG, "No package name or extras provided");
return;
}
String pkgName = intent.getExtras().getString(EXTRA_PKG_NAME);
if (ACTION_INSERT.equals(intent.getAction())) {
createPreviewImages(this, pkgName);
insertPreviewValuesIntoDb(pkgName);
} else if (ACTION_DELETE.equals(intent.getAction())) {
deletePreviewImages(pkgName);
}
}
public static void createPreviewImages(Context context, String pkgName) {
// Presently this is just mocked up. IE We expect the theme APK to
// provide the bitmap.
Context themeContext = null;
try {
themeContext = context.createPackageContext(pkgName,
Context.CONTEXT_IGNORE_SECURITY);
} catch (NameNotFoundException e) {
Log.e(TAG, "Error getting themeContext", e);
return;
}
// This is for testing only. We copy some assets from APK and put into
// internal storage
AssetManager assetManager = themeContext.getAssets();
try {
InputStream homescreen = getPreviewAsset(assetManager, WALLPAPER_PREVIEW);
InputStream lockscreen = getPreviewAsset(assetManager, LOCKSCREEN_PREVIEW);
File dataDir = context.getFilesDir(); // Environment.getDataDirectory();
File imgDir = new File(dataDir, "images");
File wpDir = new File(dataDir, "wallpapers");
imgDir.mkdir();
wpDir.mkdir();
File homescreenOut = new File(imgDir, pkgName + ".homescreen.jpg");
File lockscreenOut = new File(imgDir, pkgName + ".lockscreen.jpg");
FileOutputStream out = new FileOutputStream(homescreenOut);
Bitmap bmp = BitmapUtils.loadBitmapWithBackouts(context, homescreen, 1);
bmp.compress(Bitmap.CompressFormat.JPEG, 90, out);
out.close();
out = new FileOutputStream(lockscreenOut);
bmp = BitmapUtils.loadBitmapWithBackouts(context, lockscreen, 1);
bmp.compress(Bitmap.CompressFormat.JPEG, 90, out);
out.close();
} catch (IOException e) {
Log.e(TAG, "ThemesOpenHelper could not copy preview image");
}
//Copy Style preview
try {
InputStream stylepreview = getPreviewAsset(assetManager, STYLES_PREVIEW);
File dataDir = context.getFilesDir();
File imgDir = new File(dataDir, "images");
imgDir.mkdir();
File styleOut = new File(imgDir, pkgName + ".stylepreview.jpg");
FileOutputStream out = new FileOutputStream(styleOut);
Bitmap bmp = BitmapUtils.loadBitmapWithBackouts(context, stylepreview, 1);
bmp.compress(Bitmap.CompressFormat.JPEG, 90, out);
out.close();
} catch (IOException e) {
Log.e(TAG, "ThemesOpenHelper could not copy style image data");
}
}
private void insertPreviewValuesIntoDb(String pkgName) {
String homescreen = getHomeScreenPreviewPath(pkgName);
String lockscreen = getLockScreenPreviewPath(pkgName);
String stylePreview = getStylesPreviewPath(pkgName);
String wallpaper = getWallpaperPreviewPath(pkgName);
Uri hsUri = Uri.parse(homescreen);
Uri lsUri = Uri.parse(lockscreen);
Uri wpUri = Uri.parse(wallpaper);
Uri styleUri = Uri.parse(stylePreview);
String where = ThemesColumns.PKG_NAME + "=?";
String[] selectionArgs = { pkgName };
ContentValues values = new ContentValues();
values.put(ThemesColumns.HOMESCREEN_URI, hsUri.toString());
values.put(ThemesColumns.LOCKSCREEN_URI, lsUri.toString());
values.put(ThemesColumns.STYLE_URI, styleUri.toString());
values.put(ThemesColumns.WALLPAPER_URI, "file:///android_asset/wallpapers/wallpaper1.jpg");
getContentResolver().update(ThemesColumns.CONTENT_URI, values,
where, selectionArgs);
}
private void deletePreviewImages(String pkgName) {
File home = new File(getHomeScreenPreviewPath(pkgName));
home.delete();
File lockscreen = new File(getLockScreenPreviewPath(pkgName));
lockscreen.delete();
File style = new File(getStylesPreviewPath(pkgName));
style.delete();
File wallpaper = new File(getWallpaperPreviewPath(pkgName));
wallpaper.delete();
}
private static String getHomeScreenPreviewPath(String pkgName) {
return Environment.getDataDirectory().getPath()
+ IMAGES_PATH + pkgName
+ ".homescreen.jpg";
}
private static String getLockScreenPreviewPath(String pkgName) {
return Environment.getDataDirectory().getPath()
+ IMAGES_PATH + pkgName
+ ".lockscreen.jpg";
}
private static String getStylesPreviewPath(String pkgName) {
return Environment.getDataDirectory().getPath()
+ IMAGES_PATH + pkgName
+ ".stylepreview.jpg";
}
private static String getWallpaperPreviewPath(String pkgName) {
return ContentResolver.SCHEME_FILE + "://"
+ Environment.getDataDirectory().getPath()
+ WALLPAPER_PATH + pkgName
+ ".wallpaper1.jpg";
}
private static InputStream getPreviewAsset(AssetManager am, String preview) throws IOException {
InputStream is = null;
try {
is = am.open(preview + EXT_JPG);
} catch (IOException e) {
// we'll try and fallback to PNG
}
if (is == null) is = am.open(preview + EXT_PNG);
return is;
}
}
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