private void updateTileProvider() {
ImageEntry entry = mImageCache.get(getVersion(mCurrentIndex));
if (entry == null) { // in loading
mTileProvider.clear();
} else {
updateTileProvider(entry);
}
}
private void updateTileProvider(ImageEntry entry) {
Bitmap screenNail = entry.screenNail;
BitmapRegionDecoder fullImage = entry.fullImage;
if (screenNail != null) {
if (fullImage != null) {
mTileProvider.setBackupImage(screenNail, fullImage.getWidth(), fullImage.getHeight());
mTileProvider.setRegionDecoder(fullImage);
} else {
int width = screenNail.getWidth();
int height = screenNail.getHeight();
mTileProvider.setBackupImage(screenNail, width, height);
}
} else {
mTileProvider.clear();
if (entry.failToLoad) mTileProvider.setFailedToLoad();
}
}
public void pause() {
mIsActive = false;
mReloadTask.terminate();
mReloadTask = null;
mSource.removeContentListener(mSourceListener);
for (ImageEntry entry : mImageCache.values()) {
if (entry.fullImageTask != null) entry.fullImageTask.cancel();
if (entry.screenNailTask != null) entry.screenNailTask.cancel();
}
mImageCache.clear();
mTileProvider.clear();
}
public boolean isFailedToLoad() {
return mTileProvider.isFailedToLoad();
}
public Bitmap getTile(int level, int x, int y, int tileSize) {
return mTileProvider.getTile(level, x, y, tileSize);
}
public int getLevelCount() {
return mTileProvider.getLevelCount();
}
public int getImageWidth() {
return mTileProvider.getImageWidth();
}
public int getImageHeight() {
return mTileProvider.getImageHeight();
}
public Bitmap getBackupImage() {
return mTileProvider.getBackupImage();
}