Masayuki Nakano
33db05c044
When a focus move occurs in a shadow, the inclusive ancestors of the shadow host element won't receive focus/blur event since focus is not changed from the parent tree point of view. This is true for the `EventTarget::PreHandleEvent` propagation. Therefore, `nsGlobalWindowInner::PreHandleEvent` is not called in this case. Instead, this patch makes `nsWindowRoot` does the same thing before dispatching the event to the DOM since it's always in the composed path [1]. 1. https://searchfox.org/firefox-main/rev/7c07e6f277dd6d5122183d6feecb7473277ab5bb/dom/events/EventDispatcher.cpp#1741-1746 Differential Revision: https://phabricator.services.mozilla.com/D304372
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsWindowRoot_h_
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#define nsWindowRoot_h_
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class nsIGlobalObject;
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#include "mozilla/Attributes.h"
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#include "mozilla/EventListenerManager.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsHashKeys.h"
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#include "nsIWeakReferenceUtils.h"
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#include "nsPIWindowRoot.h"
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#include "nsTHashSet.h"
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class nsWindowRoot final : public nsPIWindowRoot {
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public:
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explicit nsWindowRoot(nsPIDOMWindowOuter* aWindow);
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMETHOD_(void) DeleteCycleCollectable() override;
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mozilla::EventListenerManager* GetExistingListenerManager() const override;
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mozilla::EventListenerManager* GetOrCreateListenerManager() override;
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bool ComputeDefaultWantsUntrusted(mozilla::ErrorResult& aRv) final;
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// TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230)
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MOZ_CAN_RUN_SCRIPT_BOUNDARY bool DispatchEvent(
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mozilla::dom::Event& aEvent, mozilla::dom::CallerType aCallerType,
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mozilla::ErrorResult& aRv) override;
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void GetEventTargetParent(mozilla::EventChainPreVisitor&) override;
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MOZ_CAN_RUN_SCRIPT nsresult
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PreHandleEvent(mozilla::EventChainVisitor&) override;
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// FYI: PostHandleEvent would be a pure virtual method if we didn't define it
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// here.
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nsresult PostHandleEvent(mozilla::EventChainPostVisitor&) override {
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return NS_OK;
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}
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// nsPIWindowRoot
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nsPIDOMWindowOuter* GetWindow() override;
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nsGlobalWindowInner* GetInnerWindow();
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nsresult GetControllers(bool aForVisibleWindow,
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nsIControllers** aResult) override;
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nsresult GetControllerForCommand(const char* aCommand, bool aForVisibleWindow,
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nsIController** _retval) override;
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void GetEnabledDisabledCommands(
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nsTArray<nsCString>& aEnabledCommands,
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nsTArray<nsCString>& aDisabledCommands) override;
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already_AddRefed<nsINode> GetPopupNode() override;
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void SetPopupNode(nsINode* aNode) override;
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void SetParentTarget(mozilla::dom::EventTarget* aTarget) override {
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mParent = aTarget;
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}
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mozilla::dom::EventTarget* GetParentTarget() override { return mParent; }
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nsIGlobalObject* GetRelevantGlobal() const override;
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nsIGlobalObject* GetParentObject();
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JSObject* WrapObject(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsWindowRoot)
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void AddBrowser(nsIRemoteTab* aBrowser) override;
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void RemoveBrowser(nsIRemoteTab* aBrowser) override;
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void EnumerateBrowsers(BrowserEnumerator aEnumFunc, void* aArg) override;
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protected:
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virtual ~nsWindowRoot();
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void GetEnabledDisabledCommandsForControllers(
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nsIControllers* aControllers, nsTHashSet<nsCString>& aCommandsHandled,
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nsTArray<nsCString>& aEnabledCommands,
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nsTArray<nsCString>& aDisabledCommands);
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// Members
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nsCOMPtr<nsPIDOMWindowOuter> mWindow;
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// We own the manager, which owns event listeners attached to us.
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RefPtr<mozilla::EventListenerManager> mListenerManager; // [Strong]
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nsWeakPtr mPopupNode;
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nsCOMPtr<mozilla::dom::EventTarget> mParent;
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// The BrowserParents that are currently registered with this top-level
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// window.
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using WeakBrowserTable = nsTHashSet<RefPtr<nsIWeakReference>>;
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WeakBrowserTable mWeakBrowsers;
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};
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extern already_AddRefed<mozilla::dom::EventTarget> NS_NewWindowRoot(
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nsPIDOMWindowOuter* aWindow);
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#endif
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