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/*
* Copyright (C) 2012 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.graphics.Bitmap;
import android.graphics.BitmapRegionDecoder;
import com.android.gallery3d.ui.ScreenNail;
import com.android.gallery3d.util.ThreadPool.Job;
import com.android.gallery3d.util.ThreadPool.JobContext;
// SnailItem is a MediaItem which can provide a ScreenNail. This is
// used so we can show an foreign component (like an
// android.view.View) instead of a Bitmap.
public class SnailItem extends MediaItem {
@SuppressWarnings("unused")
private static final String TAG = "SnailItem";
private ScreenNail mScreenNail;
public SnailItem(Path path) {
super(path, nextVersionNumber());
}
@Override
public Job<Bitmap> requestImage(int type) {
// nothing to return
return new Job<Bitmap>() {
@Override
public Bitmap run(JobContext jc) {
return null;
}
};
}
@Override
public Job<BitmapRegionDecoder> requestLargeImage() {
// nothing to return
return new Job<BitmapRegionDecoder>() {
@Override
public BitmapRegionDecoder run(JobContext jc) {
return null;
}
};
}
// We do not provide requestImage or requestLargeImage, instead we
// provide a ScreenNail.
@Override
public ScreenNail getScreenNail() {
return mScreenNail;
}
@Override
public String getMimeType() {
return "";
}
// Returns width and height of the media item.
// Returns 0, 0 if the information is not available.
@Override
public int getWidth() {
return 0;
}
@Override
public int getHeight() {
return 0;
}
//////////////////////////////////////////////////////////////////////////
// Extra methods for SnailItem
//////////////////////////////////////////////////////////////////////////
public void setScreenNail(ScreenNail screenNail) {
mScreenNail = screenNail;
}
public void updateVersion() {
mDataVersion = nextVersionNumber();
}
}
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