mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-27 14:52:16 +00:00
135 lines
4.8 KiB
C++
135 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef WIDGET_WINDOWS_WINDOWSSTMCPROVIDER_H_
|
|
#define WIDGET_WINDOWS_WINDOWSSTMCPROVIDER_H_
|
|
|
|
#ifndef __MINGW32__
|
|
|
|
# include <functional>
|
|
# include <Windows.Media.h>
|
|
# include <wrl.h>
|
|
|
|
# include "mozilla/dom/FetchImageHelper.h"
|
|
# include "mozilla/dom/MediaController.h"
|
|
# include "mozilla/dom/MediaControlKeySource.h"
|
|
# include "mozilla/UniquePtr.h"
|
|
|
|
using ISMTC = ABI::Windows::Media::ISystemMediaTransportControls;
|
|
using SMTCProperty = ABI::Windows::Media::SystemMediaTransportControlsProperty;
|
|
using ISMTCDisplayUpdater =
|
|
ABI::Windows::Media::ISystemMediaTransportControlsDisplayUpdater;
|
|
|
|
using ABI::Windows::Foundation::IAsyncOperation;
|
|
using ABI::Windows::Storage::Streams::IDataWriter;
|
|
using ABI::Windows::Storage::Streams::IRandomAccessStream;
|
|
using ABI::Windows::Storage::Streams::IRandomAccessStreamReference;
|
|
using Microsoft::WRL::ComPtr;
|
|
|
|
class WindowsSMTCProvider final : public mozilla::dom::MediaControlKeySource {
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WindowsSMTCProvider, override)
|
|
|
|
public:
|
|
WindowsSMTCProvider();
|
|
|
|
bool IsOpened() const override;
|
|
bool Open() override;
|
|
void Close() override;
|
|
|
|
void SetPlaybackState(
|
|
mozilla::dom::MediaSessionPlaybackState aState) override;
|
|
|
|
void SetMediaMetadata(
|
|
const mozilla::dom::MediaMetadataBase& aMetadata) override;
|
|
|
|
void SetSupportedMediaKeys(const MediaKeysArray& aSupportedKeys) override;
|
|
|
|
void SetPositionState(
|
|
const mozilla::Maybe<mozilla::dom::PositionState>& aState) override;
|
|
|
|
private:
|
|
~WindowsSMTCProvider();
|
|
void UnregisterEvents();
|
|
bool RegisterEvents();
|
|
|
|
void OnButtonPressed(mozilla::dom::MediaControlKey aKey) const;
|
|
// Enable the SMTC interface
|
|
bool EnableControl(bool aEnabled) const;
|
|
// Sets the play, pause, next, previous, seekto buttons on the SMTC interface
|
|
// by mSupportedKeys
|
|
bool UpdateButtons();
|
|
bool IsKeySupported(mozilla::dom::MediaControlKey aKey) const;
|
|
bool EnableKey(mozilla::dom::MediaControlKey aKey, bool aEnable) const;
|
|
|
|
void OnPositionChangeRequested(double aPosition) const;
|
|
|
|
bool InitDisplayAndControls();
|
|
|
|
// Sets the Metadata for the currently playing media and sets the playback
|
|
// type to "MUSIC"
|
|
bool SetMusicMetadata(const nsString& aArtist, const nsString& aTitle);
|
|
|
|
// Sets one of the artwork to the SMTC interface asynchronously
|
|
void LoadThumbnail(const nsTArray<mozilla::dom::MediaImage>& aArtwork);
|
|
// Stores the image at index aIndex of the mArtwork to the Thumbnail
|
|
// asynchronously
|
|
void LoadImageAtIndex(const size_t aIndex);
|
|
// Stores the raw binary data of an image to mImageStream and set it to the
|
|
// Thumbnail asynchronously
|
|
void LoadImage(const char* aImageData, uint32_t aDataSize);
|
|
// Sets the Thumbnail to the image stored in mImageStream
|
|
bool SetThumbnail(const nsAString& aUrl);
|
|
void ClearThumbnail();
|
|
|
|
bool UpdateThumbnail(const nsAString& aUrl);
|
|
void CancelPendingStoreAsyncOperation() const;
|
|
|
|
void ClearMetadata();
|
|
|
|
bool mInitialized = false;
|
|
|
|
// A bit table indicating what keys are enabled
|
|
uint32_t mSupportedKeys = 0;
|
|
|
|
ComPtr<ISMTC> mControls;
|
|
ComPtr<ISMTCDisplayUpdater> mDisplay;
|
|
|
|
// Use mImageDataWriter to write the binary data of image into mImageStream
|
|
// and refer the image by mImageStreamReference and then set it to the SMTC
|
|
// interface
|
|
ComPtr<IDataWriter> mImageDataWriter;
|
|
ComPtr<IRandomAccessStream> mImageStream;
|
|
ComPtr<IRandomAccessStreamReference> mImageStreamReference;
|
|
ComPtr<IAsyncOperation<unsigned int>> mStoreAsyncOperation;
|
|
|
|
// mThumbnailUrl is the url of the current Thumbnail
|
|
// mProcessingUrl is the url that is being processed. The process starts from
|
|
// fetching an image from the url and then storing the fetched image to the
|
|
// mImageStream. If mProcessingUrl is not empty, it means there is an image is
|
|
// in processing
|
|
// mThumbnailUrl and mProcessingUrl won't be set at the same time and they can
|
|
// only be touched on main thread
|
|
nsString mThumbnailUrl;
|
|
nsString mProcessingUrl;
|
|
|
|
// mArtwork can only be used in main thread in case of data racing
|
|
CopyableTArray<mozilla::dom::MediaImage> mArtwork;
|
|
size_t mNextImageIndex;
|
|
|
|
mozilla::UniquePtr<mozilla::dom::FetchImageHelper> mImageFetcher;
|
|
mozilla::MozPromiseRequestHolder<mozilla::dom::ImagePromise>
|
|
mImageFetchRequest;
|
|
|
|
HWND mWindow; // handle to the invisible window
|
|
|
|
// EventRegistrationTokens are used to have a handle on a callback (to remove
|
|
// it again)
|
|
EventRegistrationToken mButtonPressedToken;
|
|
EventRegistrationToken mSeekRegistrationToken;
|
|
};
|
|
|
|
#endif // __MINGW32__
|
|
#endif // WIDGET_WINDOWS_WINDOWSSTMCPROVIDER_H_
|