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Diffstat (limited to 'src/com/android/gallery3d/data/SnailItem.java')
-rw-r--r-- | src/com/android/gallery3d/data/SnailItem.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/SnailItem.java b/src/com/android/gallery3d/data/SnailItem.java new file mode 100644 index 000000000..3586d2cab --- /dev/null +++ b/src/com/android/gallery3d/data/SnailItem.java @@ -0,0 +1,95 @@ +/* + * 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(); + } +} |