mirror of
https://github.com/mozilla-firefox/firefox
synced 2026-08-12 12:35:33 +00:00
Sylvestre Ledru
4f6b8b516d
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287877
71 lines
2.4 KiB
C++
71 lines
2.4 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 mozilla_widget_EventDispatcher_h
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#define mozilla_widget_EventDispatcher_h
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#include "mozilla/java/EventDispatcherNatives.h"
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#include "mozilla/widget/EventDispatcherBase.h"
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namespace mozilla::widget {
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/**
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* EventDispatcher is the Gecko counterpart to the Java EventDispatcher class.
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* Together, they make up a unified event bus. Events dispatched from the Java
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* side may notify event listeners on the Gecko side, and vice versa.
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*/
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class EventDispatcher final
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: public EventDispatcherBase,
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public java::EventDispatcher::Natives<EventDispatcher> {
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using NativesBase = java::EventDispatcher::Natives<EventDispatcher>;
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public:
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void Attach(java::EventDispatcher::Param aDispatcher);
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void Detach();
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void Activate();
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using EventDispatcherBase::HasGeckoListener;
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bool HasGeckoListener(jni::String::Param aEvent) {
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return EventDispatcherBase::HasGeckoListener(aEvent->ToString());
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}
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using EventDispatcherBase::DispatchToGecko;
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void DispatchToGecko(jni::String::Param aEvent, jni::Object::Param aData,
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jni::Object::Param aCallback);
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bool HasEmbedderListener(const nsAString& aEvent) override
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MOZ_REQUIRES(sMainThreadCapability);
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nsresult DispatchToEmbedder(JSContext* aCx, const nsAString& aEvent,
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JS::Handle<JS::Value> aData,
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nsIGeckoViewEventCallback* aCallback) override
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MOZ_REQUIRES(sMainThreadCapability);
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static nsresult UnboxBundle(JSContext* aCx, jni::Object::Param aData,
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JS::MutableHandle<JS::Value> aOut);
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private:
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friend class java::EventDispatcher::Natives<EventDispatcher>;
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virtual ~EventDispatcher() = default;
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// NOTE: Can be called from any thread.
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void Shutdown() { mIsShutdown = true; };
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// Gets a LocalRef to the dispatcher. Returns `nullptr` if `mIsShutdown` has
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// been set (e.g. by the Java code).
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java::EventDispatcher::LocalRef GetDispatcher()
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MOZ_REQUIRES(sMainThreadCapability) {
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return mIsShutdown ? nullptr : mDispatcher;
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}
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std::atomic<bool> mIsShutdown{false};
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java::EventDispatcher::WeakRef mDispatcher
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MOZ_GUARDED_BY(sMainThreadCapability);
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};
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} // namespace mozilla::widget
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#endif // mozilla_widget_EventDispatcher_h
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