gecko-dev/dom/media/mediacontrol/MediaControlKeySource.cpp

125 строки
3.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "MediaControlKeySource.h"
#include "MediaController.h"
#include "MediaControlUtils.h"
#include "MediaControlService.h"
#include "mozilla/Logging.h"
namespace mozilla {
namespace dom {
// avoid redefined macro in unified build
#undef LOG_SOURCE
#define LOG_SOURCE(msg, ...) \
MOZ_LOG(gMediaControlLog, LogLevel::Debug, \
("MediaControlKeySource=%p, " msg, this, ##__VA_ARGS__))
#undef LOG_KEY
#define LOG_KEY(msg, key, ...) \
MOZ_LOG(gMediaControlLog, LogLevel::Debug, \
("MediaControlKeyHandler=%p, " msg, this, ToMediaControlKeyStr(key), \
##__VA_ARGS__));
void MediaControlKeyHandler::OnActionPerformed(
const MediaControlAction& aAction) {
LOG_KEY("OnActionPerformed '%s'", aAction.mKey);
RefPtr<MediaControlService> service = MediaControlService::GetService();
MOZ_ASSERT(service);
RefPtr<IMediaController> controller = service->GetMainController();
if (!controller) {
return;
}
switch (aAction.mKey) {
case MediaControlKey::Focus:
controller->Focus();
return;
case MediaControlKey::Play:
controller->Play();
return;
case MediaControlKey::Pause:
controller->Pause();
return;
case MediaControlKey::Playpause: {
if (controller->IsPlaying()) {
controller->Pause();
} else {
controller->Play();
}
return;
}
case MediaControlKey::Previoustrack:
controller->PrevTrack();
return;
case MediaControlKey::Nexttrack:
controller->NextTrack();
return;
case MediaControlKey::Seekbackward:
controller->SeekBackward();
return;
case MediaControlKey::Seekforward:
controller->SeekForward();
return;
case MediaControlKey::Skipad:
controller->SkipAd();
return;
case MediaControlKey::Seekto: {
const SeekDetails& details = *aAction.mDetails;
controller->SeekTo(details.mSeekTime, details.mFastSeek);
return;
}
case MediaControlKey::Stop:
controller->Stop();
return;
default:
MOZ_ASSERT_UNREACHABLE("Error : undefined media key!");
return;
}
}
MediaControlKeySource::MediaControlKeySource()
: mPlaybackState(MediaSessionPlaybackState::None) {}
void MediaControlKeySource::AddListener(MediaControlKeyListener* aListener) {
MOZ_ASSERT(aListener);
LOG_SOURCE("Add listener %p", aListener);
mListeners.AppendElement(aListener);
}
void MediaControlKeySource::RemoveListener(MediaControlKeyListener* aListener) {
MOZ_ASSERT(aListener);
LOG_SOURCE("Remove listener %p", aListener);
mListeners.RemoveElement(aListener);
}
size_t MediaControlKeySource::GetListenersNum() const {
return mListeners.Length();
}
void MediaControlKeySource::Close() {
LOG_SOURCE("Close source");
mListeners.Clear();
}
void MediaControlKeySource::SetPlaybackState(MediaSessionPlaybackState aState) {
if (mPlaybackState == aState) {
return;
}
LOG_SOURCE("SetPlaybackState '%s'", ToMediaSessionPlaybackStateStr(aState));
mPlaybackState = aState;
}
MediaSessionPlaybackState MediaControlKeySource::GetPlaybackState() const {
return mPlaybackState;
}
} // namespace dom
} // namespace mozilla