зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
3.2 KiB
C++
104 строки
3.2 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_dom_BrowserElementAudioChannels_h
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#define mozilla_dom_BrowserElementAudioChannels_h
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#include "mozilla/dom/AudioChannelBinding.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/ErrorResult.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIObserver.h"
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#include "nsIFrameLoader.h"
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#include "nsWeakReference.h"
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#include "nsWrapperCache.h"
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class nsIBrowserElementAPI;
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class nsITabParent;
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class nsPIDOMWindowOuter;
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namespace mozilla {
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namespace dom {
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class DOMRequest;
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class BrowserElementAudioChannel final : public DOMEventTargetHelper
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, public nsSupportsWeakReference
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, public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIOBSERVER
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BrowserElementAudioChannel,
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DOMEventTargetHelper)
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static already_AddRefed<BrowserElementAudioChannel>
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Create(nsPIDOMWindowInner* aWindow,
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nsIFrameLoader* aFrameLoader,
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nsIBrowserElementAPI* aAPI,
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AudioChannel aAudioChannel,
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const nsAString& aManifestURL,
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ErrorResult& aRv);
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// WebIDL methods
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virtual JSObject* WrapObject(JSContext *aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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AudioChannel Name() const;
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already_AddRefed<dom::DOMRequest> GetVolume(ErrorResult& aRv);
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already_AddRefed<dom::DOMRequest> SetVolume(float aVolume, ErrorResult& aRv);
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already_AddRefed<dom::DOMRequest> GetMuted(ErrorResult& aRv);
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already_AddRefed<dom::DOMRequest> SetMuted(bool aMuted, ErrorResult& aRv);
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already_AddRefed<dom::DOMRequest> IsActive(ErrorResult& aRv);
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already_AddRefed<dom::DOMRequest> NotifyChannel(const nsAString& aEvent,
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ErrorResult& aRv);
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IMPL_EVENT_HANDLER(activestatechanged);
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private:
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BrowserElementAudioChannel(nsPIDOMWindowInner* aWindow,
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nsIFrameLoader* aFrameLoader,
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nsIBrowserElementAPI* aAPI,
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AudioChannel aAudioChannel,
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const nsAString& aManifestURL);
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bool IsSystemAppWindow(nsPIDOMWindowOuter* aWindow) const;
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// This method is used to check whether we're in the nested-mozbrower-frame
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// situation, see bug1214148.
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nsresult IsFromNestedFrame(nsISupports* aSubject,
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bool& aIsNested) const;
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~BrowserElementAudioChannel();
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nsresult Initialize();
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void ProcessStateChanged(const char16_t* aData);
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nsCOMPtr<nsIFrameLoader> mFrameLoader;
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nsCOMPtr<nsIBrowserElementAPI> mBrowserElementAPI;
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nsCOMPtr<nsITabParent> mTabParent;
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nsCOMPtr<nsPIDOMWindowOuter> mFrameWindow;
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AudioChannel mAudioChannel;
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nsString mManifestURL;
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enum {
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eStateActive,
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eStateInactive,
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eStateUnknown
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} mState;
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};
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} // dom namespace
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} // mozilla namespace
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#endif // mozilla_dom_BrowserElementAudioChannels_h
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