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/*
* Copyright (C) 2010 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.gallery3d.data;
import android.drm.DrmManagerClient;
import android.drm.DrmStore.Action;
import android.drm.DrmStore.RightsStatus;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import com.android.gallery3d.app.GalleryApp;
import com.android.gallery3d.common.BitmapUtils;
import com.android.gallery3d.data.BytesBufferPool.BytesBuffer;
import com.android.gallery3d.util.ThreadPool.Job;
import com.android.gallery3d.util.ThreadPool.JobContext;
abstract class ImageCacheRequest implements Job<Bitmap> {
private static final String TAG = "ImageCacheRequest";
protected GalleryApp mApplication;
private Path mPath;
private int mType;
private int mTargetSize;
private String mFilePath;
private String mMimeType;
private long mTimeModified;
public ImageCacheRequest(GalleryApp application,
Path path, long timeModified, int type, int targetSize, String filePath, String mimetype) {
mApplication = application;
mPath = path;
mType = type;
mTargetSize = targetSize;
mFilePath = filePath;
mMimeType = mimetype;
mTimeModified = timeModified;
}
private String debugTag() {
return mPath + "," + mTimeModified + "," +
((mType == MediaItem.TYPE_THUMBNAIL) ? "THUMB" :
(mType == MediaItem.TYPE_MICROTHUMBNAIL) ? "MICROTHUMB" : "?");
}
@Override
public Bitmap run(JobContext jc) {
ImageCacheService cacheService = mApplication.getImageCacheService();
if (mFilePath != null && mFilePath.endsWith(".dcf")) {
DrmManagerClient drmClient = new DrmManagerClient(mApplication.getAndroidContext());
mFilePath = mFilePath.replace("/storage/emulated/0", "/storage/emulated/legacy");
// This hack is added to work FL. It will remove after the sdcard permission issue solved
int statusDisplay = drmClient.checkRightsStatus(mFilePath, Action.DISPLAY);
statusDisplay = RightsStatus.RIGHTS_VALID;
int statusPlay = drmClient.checkRightsStatus(mFilePath, Action.PLAY);
statusPlay = RightsStatus.RIGHTS_VALID;
if (mMimeType == null) {
if ((RightsStatus.RIGHTS_VALID != statusDisplay)
&& (RightsStatus.RIGHTS_VALID != statusPlay)) {
return null;
}
} else if (mMimeType.startsWith("video/")
&& RightsStatus.RIGHTS_VALID != statusPlay) {
return null;
} else if (mMimeType.startsWith("image/")
&& RightsStatus.RIGHTS_VALID != statusDisplay) {
return null;
}
if (drmClient != null) drmClient.release();
}
BytesBuffer buffer = MediaItem.getBytesBufferPool().get();
try {
boolean found = cacheService.getImageData(mPath, mTimeModified, mType, buffer);
if (jc.isCancelled()) return null;
if (found) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap;
if (mType == MediaItem.TYPE_MICROTHUMBNAIL) {
bitmap = DecodeUtils.decodeUsingPool(jc,
buffer.data, buffer.offset, buffer.length, options);
} else {
bitmap = DecodeUtils.decodeUsingPool(jc,
buffer.data, buffer.offset, buffer.length, options);
}
if (bitmap == null && !jc.isCancelled()) {
Log.w(TAG, "decode cached failed " + debugTag());
}
return bitmap;
}
} finally {
MediaItem.getBytesBufferPool().recycle(buffer);
}
Bitmap bitmap = onDecodeOriginal(jc, mType);
if (jc.isCancelled()) return null;
if (bitmap == null) {
Log.w(TAG, "decode orig failed " + debugTag());
return null;
}
if (mType == MediaItem.TYPE_MICROTHUMBNAIL) {
bitmap = BitmapUtils.resizeAndCropCenter(bitmap, mTargetSize, true);
} else {
bitmap = BitmapUtils.resizeDownBySideLength(bitmap, mTargetSize, true);
}
if (jc.isCancelled()) return null;
byte[] array = BitmapUtils.compressToBytes(bitmap);
if (jc.isCancelled()) return null;
cacheService.putImageData(mPath, mTimeModified, mType, array);
return bitmap;
}
public abstract Bitmap onDecodeOriginal(JobContext jc, int targetSize);
}
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