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/* -*- 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
#ifndef DOM_MEDIA_MEDIACONTROL_MEDIACONTROLUTILS_H_
#define DOM_MEDIA_MEDIACONTROL_MEDIACONTROLUTILS_H_
#include "MediaController.h"
#include "imgIEncoder.h"
#include "imgITools.h"
#include "mozilla/Logging.h"
#include "mozilla/dom/ChromeUtilsBinding.h"
#include "mozilla/dom/MediaControllerBinding.h"
#include "nsReadableUtils.h"
#include "nsServiceManagerUtils.h"
extern mozilla::LazyLogModule gMediaControlLog;
namespace mozilla::dom {
inline const char* ToMediaControlKeyStr(const Maybe<MediaControlKey>& aKey) {
if (aKey.isNothing()) {
MOZ_ASSERT_UNREACHABLE("Invalid action.");
return "Unknown";
}
return GetEnumString(aKey.value()).get();
}
inline MediaControlKey ConvertMediaSessionActionToControlKey(
MediaSessionAction aAction) {
switch (aAction) {
case MediaSessionAction::Play:
return MediaControlKey::Play;
case MediaSessionAction::Pause:
return MediaControlKey::Pause;
case MediaSessionAction::Seekbackward:
return MediaControlKey::Seekbackward;
case MediaSessionAction::Seekforward:
return MediaControlKey::Seekforward;
case MediaSessionAction::Previoustrack:
return MediaControlKey::Previoustrack;
case MediaSessionAction::Nexttrack:
return MediaControlKey::Nexttrack;
case MediaSessionAction::Skipad:
return MediaControlKey::Skipad;
case MediaSessionAction::Seekto:
return MediaControlKey::Seekto;
default:
MOZ_ASSERT(aAction == MediaSessionAction::Stop);
return MediaControlKey::Stop;
}
}
inline const char* ToMediaAudibleStateStr(MediaAudibleState aState) {
switch (aState) {
case MediaAudibleState::eInaudible:
return "inaudible";
case MediaAudibleState::eAudible:
return "audible";
default:
MOZ_ASSERT_UNREACHABLE("Invalid audible state.");
return "Unknown";
}
}
inline const char* ToMediaSessionPlaybackStateStr(
const MediaSessionPlaybackState& aState) {
switch (aState) {
case MediaSessionPlaybackState::None:
return "none";
case MediaSessionPlaybackState::Paused:
return "paused";
case MediaSessionPlaybackState::Playing:
return "playing";
default:
MOZ_ASSERT_UNREACHABLE("Invalid MediaSessionPlaybackState.");
return "Unknown";
}
}
BrowsingContext* GetAliveTopBrowsingContext(BrowsingContext* aBC);
inline bool IsImageIn(const nsTArray<MediaImage>& aArtwork,
const nsAString& aImageUrl) {
for (const MediaImage& image : aArtwork) {
if (image.mSrc == aImageUrl) {
return true;
}
}
return false;
}
// The image buffer would be allocated in aStream whose size is aSize and the
// buffer head is aBuffer
inline nsresult GetEncodedImageBuffer(imgIContainer* aImage,
const nsACString& aMimeType,
nsIInputStream** aStream, uint32_t* aSize,
char** aBuffer) {
MOZ_ASSERT(aImage);
nsCOMPtr<imgITools> imgTools = do_GetService("@mozilla.org/image/tools;1");
if (!imgTools) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIInputStream> inputStream;
nsresult rv = imgTools->EncodeImage(aImage, aMimeType, u""_ns,
getter_AddRefs(inputStream));
if (NS_FAILED(rv)) {
return rv;
}
if (!inputStream) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<imgIEncoder> encoder = do_QueryInterface(inputStream);
if (!encoder) {
return NS_ERROR_FAILURE;
}
rv = encoder->GetImageBufferUsed(aSize);
if (NS_FAILED(rv)) {
return rv;
}
rv = encoder->GetImageBuffer(aBuffer);
if (NS_FAILED(rv)) {
return rv;
}
encoder.forget(aStream);
return NS_OK;
}
inline bool IsValidImageUrl(const nsAString& aUrl) {
return StringBeginsWith(aUrl, u"http://"_ns) ||
StringBeginsWith(aUrl, u"https://"_ns);
}
inline uint32_t GetMediaKeyMask(mozilla::dom::MediaControlKey aKey) {
return 1 << static_cast<uint8_t>(aKey);
}
} // namespace mozilla::dom
#endif // DOM_MEDIA_MEDIACONTROL_MEDIACONTROLUTILS_H_