mirror of
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137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* 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_presentation_provider_DisplayDeviceProvider_h
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#define mozilla_dom_presentation_provider_DisplayDeviceProvider_h
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#include "mozilla/RefPtr.h"
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#include "mozilla/WeakPtr.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMWindow.h"
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#include "nsIDisplayInfo.h"
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#include "nsIObserver.h"
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#include "nsIPresentationDeviceProvider.h"
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#include "nsIPresentationLocalDevice.h"
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#include "nsIPresentationControlService.h"
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#include "nsITimer.h"
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#include "nsIWindowWatcher.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsWeakReference.h"
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namespace mozilla {
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namespace dom {
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namespace presentation {
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// Consistent definition with the definition in
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// widget/gonk/libdisplay/GonkDisplay.h.
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enum DisplayType {
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DISPLAY_PRIMARY,
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DISPLAY_EXTERNAL,
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DISPLAY_VIRTUAL,
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NUM_DISPLAY_TYPES
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};
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class DisplayDeviceProviderWrappedListener;
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class DisplayDeviceProvider final : public nsIObserver
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, public nsIPresentationDeviceProvider
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, public nsIPresentationControlServerListener
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, public SupportsWeakPtr<DisplayDeviceProvider>
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{
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private:
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class HDMIDisplayDevice final : public nsIPresentationLocalDevice
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPRESENTATIONDEVICE
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NS_DECL_NSIPRESENTATIONLOCALDEVICE
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// mScreenId is as same as the definition of display type.
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explicit HDMIDisplayDevice(DisplayDeviceProvider* aProvider)
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: mScreenId(DisplayType::DISPLAY_EXTERNAL)
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, mName("HDMI")
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, mType("external")
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, mWindowId("hdmi")
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, mAddress("127.0.0.1")
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, mProvider(aProvider)
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{}
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nsresult OpenTopLevelWindow();
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nsresult CloseTopLevelWindow();
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const nsCString& Id() const { return mWindowId; }
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const nsCString& Address() const { return mAddress; }
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private:
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virtual ~HDMIDisplayDevice() = default;
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// Due to the limitation of nsWinodw, mScreenId must be an integer.
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// And mScreenId is also align to the display type defined in
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// widget/gonk/libdisplay/GonkDisplay.h.
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// HDMI display is DisplayType::DISPLAY_EXTERNAL.
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uint32_t mScreenId;
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nsCString mName;
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nsCString mType;
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nsCString mWindowId;
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nsCString mAddress;
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nsCOMPtr<mozIDOMWindowProxy> mWindow;
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// weak pointer
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// Provider hold a strong pointer to the device. Use weak pointer to prevent
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// the reference cycle.
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WeakPtr<DisplayDeviceProvider> mProvider;
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};
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIPRESENTATIONDEVICEPROVIDER
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NS_DECL_NSIPRESENTATIONCONTROLSERVERLISTENER
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// For using WeakPtr when MOZ_REFCOUNTED_LEAK_CHECKING defined
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MOZ_DECLARE_WEAKREFERENCE_TYPENAME(DisplayDeviceProvider)
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nsresult Connect(HDMIDisplayDevice* aDevice,
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nsIPresentationControlChannel** aControlChannel);
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private:
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virtual ~DisplayDeviceProvider();
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nsresult Init();
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nsresult Uninit();
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nsresult AddExternalScreen();
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nsresult RemoveExternalScreen();
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nsresult StartTCPService();
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void AbortServerRetry();
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// Now support HDMI display only and there should be only one HDMI display.
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nsCOMPtr<nsIPresentationLocalDevice> mDevice = nullptr;
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// weak pointer
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// PresentationDeviceManager (mDeviceListener) hold strong pointer to
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// DisplayDeviceProvider. Use nsWeakPtr to avoid reference cycle.
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nsWeakPtr mDeviceListener = nullptr;
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nsCOMPtr<nsIPresentationControlService> mPresentationService;
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// Used to prevent reference cycle between DisplayDeviceProvider and
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// TCPPresentationServer.
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RefPtr<DisplayDeviceProviderWrappedListener> mWrappedListener;
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bool mInitialized = false;
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uint16_t mPort;
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bool mIsServerRetrying = false;
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uint32_t mServerRetryMs;
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nsCOMPtr<nsITimer> mServerRetryTimer;
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};
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} // mozilla
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} // dom
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} // presentation
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#endif // mozilla_dom_presentation_provider_DisplayDeviceProvider_h
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