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[tor-commits] [Git][tpo/applications/mullvad-browser][mullvad-browser-140.7.0esr-15.0-1] Bug 1996718 - Check whether BrowserChild has not yet been destroyed in each...

Title: GitLab

ma1 pushed to branch mullvad-browser-140.7.0esr-15.0-1 at The Tor Project / Applications / Mullvad Browser

Commits:

  • 86bb5b91
    by Hiroyuki Ikezoe at 2026-01-12T12:19:31+01:00 
    Bug 1996718 - Check whether BrowserChild has not yet been destroyed in each function of ContentProcessController. r=botond

Differential Revision: https://phabricator.services.mozilla.com/D270278

1 changed file:

Changes:

  • gfx/layers/apz/util/ContentProcessController.cpp
    ... ... @@ -32,7 +32,7 @@ void ContentProcessController::NotifyLayerTransforms(
    32 32
    33 33 
     void ContentProcessController::RequestContentRepaint(
    34 34 
         const RepaintRequest& aRequest) {
    35 
    -  if (mBrowser) {
    35 
    +  if (mBrowser && !mBrowser->IsDestroyed()) {
    36 36 
         mBrowser->UpdateFrame(aRequest);
    37 37 
       }
    38 38 
     }
    ... ... @@ -56,7 +56,7 @@ void ContentProcessController::NotifyPinchGesture(
    56 56 
     void ContentProcessController::NotifyAPZStateChange(
    57 57 
         const ScrollableLayerGuid& aGuid, APZStateChange aChange, int aArg,
    58 58 
         Maybe<uint64_t> aInputBlockId) {
    59 
    -  if (mBrowser) {
    59 
    +  if (mBrowser && !mBrowser->IsDestroyed()) {
    60 60 
         mBrowser->NotifyAPZStateChange(aGuid.mScrollId, aChange, aArg,
    61 61 
                                        aInputBlockId);
    62 62 
       }
    ... ... @@ -64,13 +64,13 @@ void ContentProcessController::NotifyAPZStateChange(
    64 64
    65 65 
     void ContentProcessController::NotifyMozMouseScrollEvent(
    66 66 
         const ScrollableLayerGuid::ViewID& aScrollId, const nsString& aEvent) {
    67 
    -  if (mBrowser) {
    67 
    +  if (mBrowser && !mBrowser->IsDestroyed()) {
    68 68 
         APZCCallbackHelper::NotifyMozMouseScrollEvent(aScrollId, aEvent);
    69 69 
       }
    70 70 
     }
    71 71
    72 72 
     void ContentProcessController::NotifyFlushComplete() {
    73 
    -  if (mBrowser) {
    73 
    +  if (mBrowser && !mBrowser->IsDestroyed()) {
    74 74 
         RefPtr<PresShell> presShell = mBrowser->GetTopLevelPresShell();
    75 75 
         APZCCallbackHelper::NotifyFlushComplete(presShell);
    76 76 
       }
    ... ... @@ -113,7 +113,7 @@ void ContentProcessController::DispatchToRepaintThread(
    113 113 
     }
    114 114
    115 115 
     PresShell* ContentProcessController::GetTopLevelPresShell() const {
    116 
    -  if (!mBrowser) {
    116 
    +  if (!mBrowser || mBrowser->IsDestroyed()) {
    117 117 
         return nullptr;
    118 118 
       }
    119 119 
       return mBrowser->GetTopLevelPresShell();

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