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[iOS] fix tracking of previous platform views. (flutter/engine#56461)

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We need to track all previous platform views, even if some component of the hierarchy is missing.
This commit is contained in:
Jonah Williams 2024-11-08 13:01:32 -08:00 committed by GitHub
parent 88185e0b3e
commit c8b4197db3
1 changed files with 1 additions and 1 deletions
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engine/src/flutter/shell/platform/darwin/ios/framework/Source/platform_views_controller.mm
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@ -793,6 +793,7 @@ void PlatformViewsController::BringLayersIntoView(const LayersMap& layer_map,
previous_composition_order_.clear();
NSMutableArray* desired_platform_subviews = [NSMutableArray array];
for (int64_t platform_view_id : composition_order) {
previous_composition_order_.push_back(platform_view_id);
UIView* platform_view_root = platform_views_[platform_view_id].root_view;
if (platform_view_root != nil) {
[desired_platform_subviews addObject:platform_view_root];
@ -803,7 +804,6 @@ void PlatformViewsController::BringLayersIntoView(const LayersMap& layer_map,
auto view = maybe_layer_data->second.layer->overlay_view_wrapper;
if (view != nil) {
[desired_platform_subviews addObject:view];
previous_composition_order_.push_back(platform_view_id);
}
}
}