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short-circuit editing calls after the asyncDataSource has been set to nil (ASTableView)

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This commit is contained in:
Ethan Nagel
2015-07-16 20:26:28 -07:00
parent cfbf03f4e0
commit 9762e7cfe6
1 changed files with 29 additions and 0 deletions
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29
AsyncDisplayKit/ASTableView.mm
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@@ -499,12 +499,25 @@ void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
- (void)rangeControllerBeginUpdates:(ASRangeController *)rangeController
{
ASDisplayNodeAssertMainThread();
if (!self.asyncDataSource) {
return; // if the asyncDataSource has become invalid while we are processing, ignore this request to avoid crashes
}
[super beginUpdates];
}
- (void)rangeControllerEndUpdates:(ASRangeController *)rangeController completion:(void (^)(BOOL))completion
{
ASDisplayNodeAssertMainThread();
if (!self.asyncDataSource) {
if (completion) {
completion(NO);
}
return; // if the asyncDataSource has become invalid while we are processing, ignore this request to avoid crashes
}
[super endUpdates];
if (completion) {
@@ -577,6 +590,10 @@ void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
{
ASDisplayNodeAssertMainThread();
if (!self.asyncDataSource) {
return; // if the asyncDataSource has become invalid while we are processing, ignore this request to avoid crashes
}
BOOL preventAnimation = animationOptions == UITableViewRowAnimationNone;
ASPerformBlockWithoutAnimation(preventAnimation, ^{
[super insertRowsAtIndexPaths:indexPaths withRowAnimation:(UITableViewRowAnimation)animationOptions];
@@ -587,6 +604,10 @@ void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
{
ASDisplayNodeAssertMainThread();
if (!self.asyncDataSource) {
return; // if the asyncDataSource has become invalid while we are processing, ignore this request to avoid crashes
}
BOOL preventAnimation = animationOptions == UITableViewRowAnimationNone;
ASPerformBlockWithoutAnimation(preventAnimation, ^{
[super deleteRowsAtIndexPaths:indexPaths withRowAnimation:(UITableViewRowAnimation)animationOptions];
@@ -597,6 +618,10 @@ void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
{
ASDisplayNodeAssertMainThread();
if (!self.asyncDataSource) {
return; // if the asyncDataSource has become invalid while we are processing, ignore this request to avoid crashes
}
BOOL preventAnimation = animationOptions == UITableViewRowAnimationNone;
ASPerformBlockWithoutAnimation(preventAnimation, ^{
[super insertSections:indexSet withRowAnimation:(UITableViewRowAnimation)animationOptions];
@@ -607,6 +632,10 @@ void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
{
ASDisplayNodeAssertMainThread();
if (!self.asyncDataSource) {
return; // if the asyncDataSource has become invalid while we are processing, ignore this request to avoid crashes
}
BOOL preventAnimation = animationOptions == UITableViewRowAnimationNone;
ASPerformBlockWithoutAnimation(preventAnimation, ^{
[super deleteSections:indexSet withRowAnimation:(UITableViewRowAnimation)animationOptions];