diff options
Diffstat (limited to 'widget/BasicEvents.h')
| -rw-r--r-- | widget/BasicEvents.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/widget/BasicEvents.h b/widget/BasicEvents.h index a6228f179..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 @@ -407,10 +413,16 @@ public: nsString mSpecifiedEventTypeString; // Event targets, needed by DOM Events + // Note that when you need event target for DOM event, you should use + // Get*DOMEventTarget() instead of accessing these members directly. nsCOMPtr<dom::EventTarget> mTarget; nsCOMPtr<dom::EventTarget> mCurrentTarget; nsCOMPtr<dom::EventTarget> mOriginalTarget; + dom::EventTarget* GetDOMEventTarget() const; + dom::EventTarget* GetCurrentDOMEventTarget() const; + dom::EventTarget* GetOriginalDOMEventTarget() const; + void AssignEventData(const WidgetEvent& aEvent, bool aCopyTargets) { // mClass should be initialized with the constructor. |