74         LoaderTask task = mTaskList.findTask(parent);  in queryChildDocuments()
85             task = new LoaderTask(mMtpManager, mDatabase, mDevice.operationsSupported, parent);  in queryChildDocuments()
94         if (task.getState() == LoaderTask.STATE_LOADING) {  in queryChildDocuments()
117     synchronized @Nullable LoaderTask getNextTaskOrReleaseBackgroundThread() {  in getNextTaskOrReleaseBackgroundThread()
120         for (final LoaderTask task : mTaskList) {  in getNextTaskOrReleaseBackgroundThread()
121             if (task.getState() == LoaderTask.STATE_LOADING) {  in getNextTaskOrReleaseBackgroundThread()
128             final LoaderTask existingTask = mTaskList.findTask(identifier);  in getNextTaskOrReleaseBackgroundThread()
130                 Preconditions.checkState(existingTask.getState() != LoaderTask.STATE_LOADING);  in getNextTaskOrReleaseBackgroundThread()
133             final LoaderTask newTask = new LoaderTask(  in getNextTaskOrReleaseBackgroundThread()
171         final LoaderTask task;  in cancelTask()
193                 final LoaderTask task = getNextTaskOrReleaseBackgroundThread();  in run()
199                         task.getState() != LoaderTask.STATE_CANCELLED &&  in run()
202                          task.getState() != LoaderTask.STATE_LOADING);  in run()
213     private static class TaskList extends LinkedList<LoaderTask> {
214         LoaderTask findTask(Identifier parent) {  in findTask()
225                 if (get(i).getState() == LoaderTask.STATE_COMPLETED) {  in clearCompletedTasks()
238     private static class LoaderTask {  class in DocumentLoader
255         LoaderTask(MtpManager manager, MtpDatabase database, int[] operationsSupported,  in LoaderTask()  method in DocumentLoader.LoaderTask