/** 取消所有正在下载或等待下载的任务。 */
public void cancelAllTasks() {
if (taskCollection != null) {
for (BitmapWorkerTask task : taskCollection) {
task.cancel(false);
}
}
}
/**
* 取消这个imageview所对应的任务
*
* @param imageView
*/
public static void cancelWork(ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
bitmapWorkerTask.cancel(true);
final Object bitmapData = bitmapWorkerTask.mData;
Ioc.getIoc().getLogger().d("cancelWork - cancelled work for " + bitmapData);
}
}
/**
* Cancels any pending work attached to the provided ImageView.
*
* @param imageView
*/
public static void cancelWork(ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
bitmapWorkerTask.cancel(true);
if (BuildConfig.DEBUG) {
LOGD(TAG, "cancelWork - cancelled work for " + bitmapWorkerTask.data);
}
}
}
/**
* Cancels any pending work attached to the provided ImageView.
*
* @param imageView
*/
public static void cancelWork(ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
bitmapWorkerTask.cancel(true);
if (Constants.DEBUG) {
final Object bitmapData = bitmapWorkerTask.mData;
Log.d(TAG, "cancelWork - cancelled work for " + bitmapData);
}
}
}
/**
* Cancels any pending work attached to the provided ImageView.
*
* @param imageView
*/
public static void cancelWork(ImageViewWithProcessIndicator imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
bitmapWorkerTask.cancel(true);
if (BuildConfig.DEBUG) {
final Object bitmapData = bitmapWorkerTask.data;
Log.d(TAG, "cancelWork - cancelled work for " + bitmapData);
}
}
}
/**
* Returns true if the current work has been canceled or if there was no work in progress on this
* image view. Returns false if the work in progress deals with the same data. The work is not
* stopped in that case.
*/
public static final boolean executePotentialWork(final Object data, final ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Object bitmapData = bitmapWorkerTask.mKey;
if (bitmapData == null || !bitmapData.equals(data)) {
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress
return false;
}
}
return true;
}
public static boolean cancelPotentialWork(int data, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final int bitmapData = bitmapWorkerTask.data;
if (bitmapData != data) {
bitmapWorkerTask.cancel(true);
} else {
return false;
}
}
return true;
}
public static boolean cancelPotentialWork(Message message, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Message oldMessage = bitmapWorkerTask.message;
if (oldMessage == null || message != oldMessage) {
bitmapWorkerTask.cancel(true);
} else {
return false;
}
}
return true;
}
public boolean cancelPotentialWork(String filePath, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final String bitmapFilePath = bitmapWorkerTask.filePath;
if (bitmapFilePath != null && !bitmapFilePath.equalsIgnoreCase(filePath)) {
bitmapWorkerTask.cancel(true);
} else {
return false;
}
}
return true;
}
/**
* Returns true if the current work has been canceled or if there was no work in progress on this
* image view. Returns false if the work in progress deals with the same data. The work is not
* stopped in that case.
*/
public static boolean cancelPotentialWork(Object data, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Object bitmapData = bitmapWorkerTask.data;
if (bitmapData == null || !bitmapData.equals(data)) {
bitmapWorkerTask.cancel(true);
LOGV(TAG, "cancelPotentialWork - cancelled work for " + data);
} else {
// The same work is already in progress.
return false;
}
}
return true;
}
/**
*
*
* <h1>第一步</h1>
*
* 根据imageView获取到AsyncDrawable<br>
*
* <h1>第二步</h1>
*
* 从AsyncDrawable获得BitmapWorkerTask<br>
*
* <h1>第三步</h1>
*
* 根据BitmapWorkerTask中的url判断当前下载的url和之前是否一样<br>
* 如果一样则返回false无需再下载<br>
*
* <h1>第四步</h1>
*
* 如果不一样则说明 当前imageview需要显示的图片和之前图片不一样,取消之前下载进程 返回true
*/
public static boolean cancelPotentialWork(Object data, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Object bitmapData = bitmapWorkerTask.mData;
// 判断当前的Url和之前的url是否一样
if (bitmapData == null || !bitmapData.equals(data)) {
bitmapWorkerTask.cancel(true);
Ioc.getIoc().getLogger().d("cancelPotentialWork - cancelled work for " + data);
} else {
return false;
}
}
return true;
}
public static boolean cancelPotentialWork(int data, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final int bitmapData = bitmapWorkerTask.data;
if (bitmapData == 0 || bitmapData != data) {
// 新的任务和之前的不同，则取消之前的任务
bitmapWorkerTask.cancel(true);
} else {
// 相同的任务已经在执行中
return false;
}
}
// 没有任务和此控件关联，或者一个已经存在的已经被取消
return true;
}
/**
* Returns true if the current work has been canceled or if there was no work in progress on this
* image view. Returns false if the work in progress deals with the same data. The work is not
* stopped in that case.
*/
public static boolean cancelPotentialWork(Object data, ImageView imageView) {
// BEGIN_INCLUDE(cancel_potential_work)
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Object bitmapData = bitmapWorkerTask.mData;
if (bitmapData == null || !bitmapData.equals(data)) {
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress.
return false;
}
}
return true;
// END_INCLUDE(cancel_potential_work)
}
public static boolean cancelPotentialWork(int data, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final int bitmapData = bitmapWorkerTask.data;
if (bitmapData != data) {
// Cancel previous task
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress
return false;
}
}
// No task associated with the ImageView, or an existing task was
// cancelled
return true;
}
public static boolean cancelPotentialWork(String key, ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final String bitmapKey = bitmapWorkerTask.key;
if (bitmapKey != key) {
// Cancel previous task
Savelog.d(TAG, debug, "Canceling task for key:" + key);
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress
return false;
}
}
// No task associated with the ImageView, or an existing task was cancelled
return true;
}
/**
* Returns true if the current work has been canceled or if there was no work in progress on this
* image view. Returns false if the work in progress deals with the same data. The work is not
* stopped in that case.
*/
public static boolean cancelPotentialWork(Object data, ImageViewWithProcessIndicator imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Object bitmapData = bitmapWorkerTask.data;
if (bitmapData == null || !bitmapData.equals(data)) {
bitmapWorkerTask.cancel(true);
if (BuildConfig.DEBUG) {
Log.d(TAG, "cancelPotentialWork - cancelled work for " + data);
}
} else {
// The same work is already in progress.
return false;
}
}
return true;
}
/**
* Cancels any pending work attached to the provided ImageView.
*
* @param imageView
*/
public static void cancelWork(ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
bitmapWorkerTask.cancel(true);
}
}
