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/*
* Copyright (C) 2013 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.filtershow.pipeline;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.net.Uri;
import com.android.gallery3d.filtershow.cache.ImageLoader;
import com.android.gallery3d.filtershow.filters.FiltersManager;
import com.android.gallery3d.filtershow.tools.SaveImage;
import java.io.File;
public class ImageSavingTask extends ProcessingTask {
private ProcessingService mProcessingService;
static class SaveRequest implements Request {
Uri sourceUri;
Uri selectedUri;
File destinationFile;
ImagePreset preset;
boolean flatten;
int quality;
float sizeFactor;
Bitmap previewImage;
boolean exit;
}
static class UpdateBitmap implements Update {
Bitmap bitmap;
}
static class UpdateProgress implements Update {
int max;
int current;
}
static class UpdatePreviewSaved implements Update {
Uri uri;
boolean exit;
}
static class URIResult implements Result {
Uri uri;
boolean exit;
}
public ImageSavingTask(ProcessingService service) {
mProcessingService = service;
}
public void saveImage(Uri sourceUri, Uri selectedUri,
File destinationFile, ImagePreset preset,
Bitmap previewImage, boolean flatten,
int quality, float sizeFactor, boolean exit) {
SaveRequest request = new SaveRequest();
request.sourceUri = sourceUri;
request.selectedUri = selectedUri;
request.destinationFile = destinationFile;
request.preset = preset;
request.flatten = flatten;
request.quality = quality;
request.sizeFactor = sizeFactor;
request.previewImage = previewImage;
request.exit = exit;
postRequest(request);
}
public Result doInBackground(Request message) {
SaveRequest request = (SaveRequest) message;
Uri sourceUri = request.sourceUri;
Uri selectedUri = request.selectedUri;
File destinationFile = request.destinationFile;
Bitmap previewImage = request.previewImage;
ImagePreset preset = request.preset;
boolean flatten = request.flatten;
final boolean exit = request.exit;
// We create a small bitmap showing the result that we can
// give to the notification
UpdateBitmap updateBitmap = new UpdateBitmap();
updateBitmap.bitmap = createNotificationBitmap(previewImage, sourceUri, preset);
postUpdate(updateBitmap);
SaveImage saveImage = new SaveImage(mProcessingService, sourceUri,
selectedUri, destinationFile, previewImage,
new SaveImage.Callback() {
@Override
public void onPreviewSaved(Uri uri){
UpdatePreviewSaved previewSaved = new UpdatePreviewSaved();
previewSaved.uri = uri;
previewSaved.exit = exit;
postUpdate(previewSaved);
}
@Override
public void onProgress(int max, int current) {
UpdateProgress updateProgress = new UpdateProgress();
updateProgress.max = max;
updateProgress.current = current;
postUpdate(updateProgress);
}
});
Uri uri = saveImage.processAndSaveImage(preset, flatten,
request.quality, request.sizeFactor, request.exit);
URIResult result = new URIResult();
result.uri = uri;
result.exit = request.exit;
return result;
}
@Override
public void onResult(Result message) {
URIResult result = (URIResult) message;
mProcessingService.completeSaveImage(result.uri, result.exit);
}
@Override
public void onUpdate(Update message) {
if (message instanceof UpdatePreviewSaved){
Uri uri = ((UpdatePreviewSaved) message).uri;
boolean exit = ((UpdatePreviewSaved) message).exit;
mProcessingService.completePreviewSaveImage(uri, exit);
}
if (message instanceof UpdateBitmap) {
Bitmap bitmap = ((UpdateBitmap) message).bitmap;
mProcessingService.updateNotificationWithBitmap(bitmap);
}
if (message instanceof UpdateProgress) {
UpdateProgress progress = (UpdateProgress) message;
mProcessingService.updateProgress(progress.max, progress.current);
}
}
private Bitmap createNotificationBitmap(Bitmap preview, Uri sourceUri, ImagePreset preset) {
int notificationBitmapSize = Resources.getSystem().getDimensionPixelSize(
android.R.dimen.notification_large_icon_width);
if (preview != null) {
return Bitmap.createScaledBitmap(preview,
notificationBitmapSize, notificationBitmapSize, true);
}
Bitmap bitmap = ImageLoader.loadConstrainedBitmap(sourceUri, getContext(),
notificationBitmapSize, null, true);
CachingPipeline pipeline = new CachingPipeline(FiltersManager.getManager(), "Thumb");
return pipeline.renderFinalImage(bitmap, preset);
}
}
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