/*
* Copyright (C) 2008 Esmertec AG.
* Copyright (C) 2008 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.mms.model;
import com.android.mms.ContentRestrictionException;
import com.android.mms.ExceedMessageSizeException;
import com.android.mms.LogTag;
import com.android.mms.MmsConfig;
import com.android.mms.dom.smil.SmilMediaElementImpl;
import android.drm.mobile1.DrmException;
import com.android.mms.drm.DrmWrapper;
import com.android.mms.ui.UriImage;
import com.google.android.mms.MmsException;
import com.google.android.mms.pdu.PduPart;
import com.google.android.mms.pdu.PduPersister;
import org.w3c.dom.events.Event;
import org.w3c.dom.smil.ElementTime;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Config;
import android.util.Log;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.SoftReference;
public class ImageModel extends RegionMediaModel {
private static final String TAG = "Mms/image";
private static final boolean DEBUG = false;
private static final boolean LOCAL_LOGV = DEBUG ? Config.LOGD : Config.LOGV;
private static final int THUMBNAIL_BOUNDS_LIMIT = 480;
private int mWidth;
private int mHeight;
private int mOrientation = 0;
private SoftReference<Bitmap> mBitmapCache = new SoftReference<Bitmap>(null);
public ImageModel(Context context, Uri uri, RegionModel region)
throws MmsException {
super(context, SmilHelper.ELEMENT_TAG_IMAGE, uri, region);
initModelFromUri(uri);
checkContentRestriction();
}
public ImageModel(Context context, String contentType, String src,
Uri uri, RegionModel region) throws DrmException, MmsException {
super(context, SmilHelper.ELEMENT_TAG_IMAGE,
contentType, src, uri, region);
decodeImageBounds();
}
public ImageModel(Context context, String contentType, String src,
DrmWrapper wrapper, RegionModel regionModel) throws IOException {
super(context, SmilHelper.ELEMENT_TAG_IMAGE, contentType, src,
wrapper, regionModel);
}
private void initModelFromUri(Uri uri) throws MmsException {
UriImage uriImage = new UriImage(mContext, uri);
mContentType = uriImage.getContentType();
if (TextUtils.isEmpty(mContentType)) {
throw new MmsException("Type of media is unknown.");
}
mSrc = uriImage.getSrc();
mWidth = uriImage.getWidth();
mHeight = uriImage.getHeight();
mOrientation = uriImage.getOrientation();
if (LOCAL_LOGV) {
Log.v(TAG, "New ImageModel created:"
+ " mSrc=" + mSrc
+ " mContentType=" + mContentType
+ " mUri=" + uri);
Log.v(TAG, "In ImageModel: width=" + mWidth + ";height=" + mHeight + ";Orientation="
+ mOrientation);
}
}
private void decodeImageBounds() throws DrmException {
UriImage uriImage = new UriImage(mContext, getUriWithDrmCheck());
mWidth = uriImage.getWidth();
mHeight = uriImage.getHeight();
mOrientation = uriImage.getOrientation();
if (LOCAL_LOGV) {
Log.v(TAG, "Image bounds: " + mWidth + "x" + mHeight);
Log.d(TAG, "Image orientation:"+mOrientation);
}
}
// EventListener Interface
public void handleEvent(Event evt) {
if (evt.getType().equals(SmilMediaElementImpl.SMIL_MEDIA_START_EVENT)) {
mVisible = true;
} else if (mFill != ElementTime.FILL_FREEZE) {
mVisible = false;
}
notifyModelChanged(false);
}
public int getWidth() {
return mWidth;
}
public int getHeight() {
return mHeight;
}
protected void checkContentRestriction() throws ContentRestrictionException {
ContentRestriction cr = ContentRestrictionFactory.getContentRestriction();
cr.checkImageContentType(mContentType);
}
public Bitmap getBitmap() {
return internalGetBitmap(getUri());
}
public Bitmap getBitmapWithDrmCheck() throws DrmException {
return internalGetBitmap(getUriWithDrmCheck());
}
private Bitmap internalGetBitmap(Uri uri) {
Bitmap bm = mBitmapCache.get();
if (bm == null) {
try {
bm = createThumbnailBitmap(THUMBNAIL_BOUNDS_LIMIT, uri);
if (bm != null) {
mBitmapCache = new SoftReference<Bitmap>(bm);
}
} catch (OutOfMemoryError ex) {
// fall through and return a null bitmap. The callers can handle a null
// result and show R.drawable.ic_missing_thumbnail_picture
}
}
return bm;
}
/* fixed CR<NEWMS00138991> by luning at 2011.11.10*/
public Bitmap getBitmapCache(){
return mBitmapCache.get();
}
private Bitmap createThumbnailBitmap(int thumbnailBoundsLimit, Uri uri) {
int outWidth = mWidth;
int outHeight = mHeight;
int s = 1;
while ((outWidth / s > thumbnailBoundsLimit)
|| (outHeight / s > thumbnailBoundsLimit)) {
s *= 2;
}
if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) {
Log.v(TAG, "createThumbnailBitmap: scale=" + s + ", w=" + outWidth / s
+ ", h=" + outHeight / s);
}
InputStream input = null;
// ===== fixed CR<NEWMS00121388> by luning at 11-09-15 begin=====
Bitmap bitmap = null;
// ===== fixed CR<NEWMS00121388> by luning at 11-09-15 end=====
try {
input = mContext.getContentResolver().openInputStream(uri);
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
bitmap = BitmapFactory.decodeStream(input, null, options);
options.inJustDecodeBounds = false;
options.inSampleSize = computeSampleSize(options, -1, thumbnailBoundsLimit * thumbnailBoundsLimit);
input = mContext.getContentResolver().openInputStream(uri);
bitmap = BitmapFactory.decodeStream(input, null, options);
if (bitmap != null && mOrientation != 0) {
bitmap = rotate(bitmap, mOrientation);
Log.d(TAG, "In createThumbnailBitmap rotate bmp :" + mOrientation);
}
return bitmap;
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
return null;
} catch (OutOfMemoryError ex) {
// ===== fixed CR<NEWMS00121388> by luning at 11-09-15 begin=====
if(null != bitmap){
bitmap.recycle();
bitmap = null;
}
// ===== fixed CR<NEWMS00121388> by luning at 11-09-15 end=====
// MessageUtils.writeHprofDataToFile();
throw ex;
} finally {
if (input != null) {
try {
input.close();
} catch (IOException e) {
Log.e(TAG, e.getMessage(), e);
}
}
}
}
public static int computeSampleSize(BitmapFactory.Options options,
int minSideLength, int maxNumOfPixels) {
int initialSize = computeInitialSampleSize(options, minSideLength,
maxNumOfPixels);
int roundedSize;
if (initialSize <= 8) {
roundedSize = 1;
while (roundedSize < initialSize) {
roundedSize <<= 1;
}
} else {
roundedSize = (initialSize + 7) / 8 * 8;
}
return roundedSize;
}
private static int computeInitialSampleSize(BitmapFactory.Options options,
int minSideLength, int maxNumOfPixels) {
double w = options.outWidth;
double h = options.outHeight;
int lowerBound = (maxNumOfPixels == -1) ? 1 :
(int) Math.ceil(Math.sqrt(w * h / maxNumOfPixels));
int upperBound = (minSideLength == -1) ? 128 :
(int) Math.min(Math.floor(w / minSideLength),
Math.floor(h / minSideLength));
if (upperBound < lowerBound) {
// return the larger one when there is no overlapping zone.
return lowerBound;
}
if ((maxNumOfPixels == -1) &&
(minSideLength == -1)) {
return 1;
} else if (minSideLength == -1) {
return lowerBound;
} else {
return upperBound;
}
}
@Override
public boolean getMediaResizable() {
return true;
}
@Override
protected void resizeMedia(int byteLimit, long messageId) throws MmsException {
UriImage image = new UriImage(mContext, getUri());
if (image == null) {
throw new ExceedMessageSizeException("No room to resize picture: " + getUri());
}
PduPart part = image.getResizedImageAsPart(
MmsConfig.getMaxImageWidth(),
MmsConfig.getMaxImageHeight(),
byteLimit);
if (part == null) {
throw new ExceedMessageSizeException("Not enough memory to turn image into part: " +
getUri());
}
String src = getSrc();
byte[] srcBytes = src.getBytes();
part.setContentLocation(srcBytes);
int period = src.lastIndexOf(".");
byte[] contentId = period != -1 ? src.substring(0, period).getBytes() : srcBytes;
part.setContentId(contentId);
PduPersister persister = PduPersister.getPduPersister(mContext);
this.mSize = part.getData().length;
Uri newUri = persister.persistPart(part, messageId);
setUri(newUri);
}
private Bitmap rotate(Bitmap b, int degrees) {
if (degrees != 0 && b != null) {
Matrix m = new Matrix();
m.setRotate(degrees, (float) b.getWidth() / 2, (float) b.getHeight() / 2);
try {
Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), m, true);
if (b != b2) {
b.recycle();
b = b2;
}
} catch (OutOfMemoryError ex) {
// We have no memory to rotate. Return the original bitmap.
}
}
return b;
}
}