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Diffstat (limited to 'src/com/android/gallery3d/data/UriImage.java')
-rw-r--r--src/com/android/gallery3d/data/UriImage.java298
1 files changed, 0 insertions, 298 deletions
diff --git a/src/com/android/gallery3d/data/UriImage.java b/src/com/android/gallery3d/data/UriImage.java
deleted file mode 100644
index e8875b572..000000000
--- a/src/com/android/gallery3d/data/UriImage.java
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- * 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.content.ContentResolver;
-import android.graphics.Bitmap;
-import android.graphics.Bitmap.Config;
-import android.graphics.BitmapFactory.Options;
-import android.graphics.BitmapRegionDecoder;
-import android.net.Uri;
-import android.os.ParcelFileDescriptor;
-
-import com.android.gallery3d.app.GalleryApp;
-import com.android.gallery3d.app.PanoramaMetadataSupport;
-import com.android.gallery3d.common.BitmapUtils;
-import com.android.gallery3d.common.Utils;
-import com.android.gallery3d.util.ThreadPool.CancelListener;
-import com.android.gallery3d.util.ThreadPool.Job;
-import com.android.gallery3d.util.ThreadPool.JobContext;
-
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.InputStream;
-import java.net.URI;
-import java.net.URL;
-
-public class UriImage extends MediaItem {
- private static final String TAG = "UriImage";
-
- private static final int STATE_INIT = 0;
- private static final int STATE_DOWNLOADING = 1;
- private static final int STATE_DOWNLOADED = 2;
- private static final int STATE_ERROR = -1;
-
- private final Uri mUri;
- private final String mContentType;
-
- private DownloadCache.Entry mCacheEntry;
- private ParcelFileDescriptor mFileDescriptor;
- private int mState = STATE_INIT;
- private int mWidth;
- private int mHeight;
- private int mRotation;
- private PanoramaMetadataSupport mPanoramaMetadata = new PanoramaMetadataSupport(this);
-
- private GalleryApp mApplication;
-
- public UriImage(GalleryApp application, Path path, Uri uri, String contentType) {
- super(path, nextVersionNumber());
- mUri = uri;
- mApplication = Utils.checkNotNull(application);
- mContentType = contentType;
- }
-
- @Override
- public Job<Bitmap> requestImage(int type) {
- return new BitmapJob(type);
- }
-
- @Override
- public Job<BitmapRegionDecoder> requestLargeImage() {
- return new RegionDecoderJob();
- }
-
- private void openFileOrDownloadTempFile(JobContext jc) {
- int state = openOrDownloadInner(jc);
- synchronized (this) {
- mState = state;
- if (mState != STATE_DOWNLOADED) {
- if (mFileDescriptor != null) {
- Utils.closeSilently(mFileDescriptor);
- mFileDescriptor = null;
- }
- }
- notifyAll();
- }
- }
-
- private int openOrDownloadInner(JobContext jc) {
- String scheme = mUri.getScheme();
- if (ContentResolver.SCHEME_CONTENT.equals(scheme)
- || ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)
- || ContentResolver.SCHEME_FILE.equals(scheme)) {
- try {
- if (MIME_TYPE_JPEG.equalsIgnoreCase(mContentType)) {
- InputStream is = mApplication.getContentResolver()
- .openInputStream(mUri);
- mRotation = Exif.getOrientation(is);
- Utils.closeSilently(is);
- }
- mFileDescriptor = mApplication.getContentResolver()
- .openFileDescriptor(mUri, "r");
- if (jc.isCancelled()) return STATE_INIT;
- return STATE_DOWNLOADED;
- } catch (FileNotFoundException e) {
- Log.w(TAG, "fail to open: " + mUri, e);
- return STATE_ERROR;
- }
- } else {
- try {
- URL url = new URI(mUri.toString()).toURL();
- mCacheEntry = mApplication.getDownloadCache().download(jc, url);
- if (jc.isCancelled()) return STATE_INIT;
- if (mCacheEntry == null) {
- Log.w(TAG, "download failed " + url);
- return STATE_ERROR;
- }
- if (MIME_TYPE_JPEG.equalsIgnoreCase(mContentType)) {
- InputStream is = new FileInputStream(mCacheEntry.cacheFile);
- mRotation = Exif.getOrientation(is);
- Utils.closeSilently(is);
- }
- mFileDescriptor = ParcelFileDescriptor.open(
- mCacheEntry.cacheFile, ParcelFileDescriptor.MODE_READ_ONLY);
- return STATE_DOWNLOADED;
- } catch (Throwable t) {
- Log.w(TAG, "download error", t);
- return STATE_ERROR;
- }
- }
- }
-
- private boolean prepareInputFile(JobContext jc) {
- jc.setCancelListener(new CancelListener() {
- @Override
- public void onCancel() {
- synchronized (this) {
- notifyAll();
- }
- }
- });
-
- while (true) {
- synchronized (this) {
- if (jc.isCancelled()) return false;
- if (mState == STATE_INIT) {
- mState = STATE_DOWNLOADING;
- // Then leave the synchronized block and continue.
- } else if (mState == STATE_ERROR) {
- return false;
- } else if (mState == STATE_DOWNLOADED) {
- return true;
- } else /* if (mState == STATE_DOWNLOADING) */ {
- try {
- wait();
- } catch (InterruptedException ex) {
- // ignored.
- }
- continue;
- }
- }
- // This is only reached for STATE_INIT->STATE_DOWNLOADING
- openFileOrDownloadTempFile(jc);
- }
- }
-
- private class RegionDecoderJob implements Job<BitmapRegionDecoder> {
- @Override
- public BitmapRegionDecoder run(JobContext jc) {
- if (!prepareInputFile(jc)) return null;
- BitmapRegionDecoder decoder = DecodeUtils.createBitmapRegionDecoder(
- jc, mFileDescriptor.getFileDescriptor(), false);
- mWidth = decoder.getWidth();
- mHeight = decoder.getHeight();
- return decoder;
- }
- }
-
- private class BitmapJob implements Job<Bitmap> {
- private int mType;
-
- protected BitmapJob(int type) {
- mType = type;
- }
-
- @Override
- public Bitmap run(JobContext jc) {
- if (!prepareInputFile(jc)) return null;
- int targetSize = MediaItem.getTargetSize(mType);
- Options options = new Options();
- options.inPreferredConfig = Config.ARGB_8888;
- Bitmap bitmap = DecodeUtils.decodeThumbnail(jc,
- mFileDescriptor.getFileDescriptor(), options, targetSize, mType);
-
- if (jc.isCancelled() || bitmap == null) {
- return null;
- }
-
- if (mType == MediaItem.TYPE_MICROTHUMBNAIL) {
- bitmap = BitmapUtils.resizeAndCropCenter(bitmap, targetSize, true);
- } else {
- bitmap = BitmapUtils.resizeDownBySideLength(bitmap, targetSize, true);
- }
- return bitmap;
- }
- }
-
- @Override
- public int getSupportedOperations() {
- int supported = SUPPORT_EDIT | SUPPORT_SETAS;
- if (isSharable()) supported |= SUPPORT_SHARE;
- if (BitmapUtils.isSupportedByRegionDecoder(mContentType)) {
- supported |= SUPPORT_FULL_IMAGE;
- }
- return supported;
- }
-
- @Override
- public void getPanoramaSupport(PanoramaSupportCallback callback) {
- mPanoramaMetadata.getPanoramaSupport(mApplication, callback);
- }
-
- @Override
- public void clearCachedPanoramaSupport() {
- mPanoramaMetadata.clearCachedValues();
- }
-
- private boolean isSharable() {
- // We cannot grant read permission to the receiver since we put
- // the data URI in EXTRA_STREAM instead of the data part of an intent
- // And there are issues in MediaUploader and Bluetooth file sender to
- // share a general image data. So, we only share for local file.
- return ContentResolver.SCHEME_FILE.equals(mUri.getScheme());
- }
-
- @Override
- public int getMediaType() {
- return MEDIA_TYPE_IMAGE;
- }
-
- @Override
- public Uri getContentUri() {
- return mUri;
- }
-
- @Override
- public MediaDetails getDetails() {
- MediaDetails details = super.getDetails();
- if (mWidth != 0 && mHeight != 0) {
- details.addDetail(MediaDetails.INDEX_WIDTH, mWidth);
- details.addDetail(MediaDetails.INDEX_HEIGHT, mHeight);
- }
- if (mContentType != null) {
- details.addDetail(MediaDetails.INDEX_MIMETYPE, mContentType);
- }
- if (ContentResolver.SCHEME_FILE.equals(mUri.getScheme())) {
- String filePath = mUri.getPath();
- details.addDetail(MediaDetails.INDEX_PATH, filePath);
- MediaDetails.extractExifInfo(details, filePath);
- }
- return details;
- }
-
- @Override
- public String getMimeType() {
- return mContentType;
- }
-
- @Override
- protected void finalize() throws Throwable {
- try {
- if (mFileDescriptor != null) {
- Utils.closeSilently(mFileDescriptor);
- }
- } finally {
- super.finalize();
- }
- }
-
- @Override
- public int getWidth() {
- return 0;
- }
-
- @Override
- public int getHeight() {
- return 0;
- }
-
- @Override
- public int getRotation() {
- return mRotation;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 21:36:01 +0000