diff options
| -rw-r--r-- | widget/BasicEvents.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/widget/BasicEvents.h b/widget/BasicEvents.h index f24d7ca8a..960cb67c6 100644 --- a/widget/BasicEvents.h +++ b/widget/BasicEvents.h @@ -161,6 +161,9 @@ public: } inline void PreventDefault(bool aCalledByDefaultHandler = true) { + if (!mCancelable) { + return; + } mDefaultPrevented = true; // Note that even if preventDefault() has already been called by chrome, // a call of preventDefault() by content needs to overwrite @@ -175,6 +178,9 @@ public: // This should be used only before dispatching events into the DOM tree. inline void PreventDefaultBeforeDispatch() { + if (!mCancelable) { + return; + } mDefaultPrevented = true; } inline bool DefaultPrevented() const |