public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, boolean success) {
if (success) {
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon) {
replaceFolderWithFinalItem();
}
} else {
// 拖动失败，将item还给folder。这是由Folder向外拖出时调用的
mFolderIcon.onDrop(d);
// TODO
// We're going to trigger a "closeFolder" which may occur before
// this item has
// been added back to the folder -- this could cause the folder to
// be deleted
if (mOnExitAlarm.alarmPending()) {
mSuppressFolderDeletion = true;
}
}
if (target != this) {
if (mOnExitAlarm.alarmPending()) {
mOnExitAlarm.cancelAlarm();
completeDragExit();
}
}
mDeleteFolderOnDropCompleted = false;
mDragInProgress = false;
mItemAddedBackToSelfViaIcon = false;
mCurrentDragInfo = null;
mCurrentDragView = null;
mSuppressOnAdd = false;
// 可能要重新排序，保存到数据库中
updateItemLocationsInDatabase();
}
public void onDropCompleted(View target, DragObject d, boolean success) {
if (success) {
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon) {
replaceFolderWithFinalItem();
}
} else {
// The drag failed, we need to return the item to the folder
mFolderIcon.onDrop(d);
// We're going to trigger a "closeFolder" which may occur before this item has
// been added back to the folder -- this could cause the folder to be deleted
if (mOnExitAlarm.alarmPending()) {
mSuppressFolderDeletion = true;
}
}
if (target != this) {
if (mOnExitAlarm.alarmPending()) {
mOnExitAlarm.cancelAlarm();
completeDragExit();
}
}
mDeleteFolderOnDropCompleted = false;
mDragInProgress = false;
mItemAddedBackToSelfViaIcon = false;
mCurrentDragInfo = null;
mCurrentDragView = null;
mSuppressOnAdd = false;
// Reordering may have occured, and we need to save the new item locations. We do this once
// at the end to prevent unnecessary database operations.
updateItemLocationsInDatabase();
}
public void onDropCompleted(
final View target, final DragObject d, final boolean isFlingToDelete, final boolean success) {
if (mDeferDropAfterUninstall) {
Log.d(TAG, "Deferred handling drop because waiting for uninstall.");
mDeferredAction =
new Runnable() {
public void run() {
onDropCompleted(target, d, isFlingToDelete, success);
mDeferredAction = null;
}
};
return;
}
boolean beingCalledAfterUninstall = mDeferredAction != null;
boolean successfulDrop = success && (!beingCalledAfterUninstall || mUninstallSuccessful);
if (successfulDrop) {
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon && target != this) {
replaceFolderWithFinalItem();
}
} else {
setupContentForNumItems(getItemCount());
// The drag failed, we need to return the item to the folder
mFolderIcon.onDrop(d);
}
if (target != this) {
if (mOnExitAlarm.alarmPending()) {
mOnExitAlarm.cancelAlarm();
if (!successfulDrop) {
mSuppressFolderDeletion = true;
}
completeDragExit();
}
}
mDeleteFolderOnDropCompleted = false;
mDragInProgress = false;
mItemAddedBackToSelfViaIcon = false;
mCurrentDragInfo = null;
mCurrentDragView = null;
mSuppressOnAdd = false;
// Reordering may have occured, and we need to save the new item locations. We do this once
// at the end to prevent unnecessary database operations.
updateItemLocationsInDatabaseBatch();
}