summaryrefslogtreecommitdiffstats
path: root/dom/media/mediacontrol/MediaControlUtils.h
blob: f013c40aa2a6f5458023523098d1915df2a9b4d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/* -*- 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/. */

#ifndef DOM_MEDIA_MEDIACONTROL_MEDIACONTROLUTILS_H_
#define DOM_MEDIA_MEDIACONTROL_MEDIACONTROLUTILS_H_

#include "imgIEncoder.h"
#include "imgITools.h"
#include "MediaController.h"
#include "mozilla/dom/ChromeUtilsBinding.h"
#include "mozilla/dom/MediaControllerBinding.h"
#include "mozilla/Logging.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* ToMediaPlaybackStateStr(MediaPlaybackState aState) {
  switch (aState) {
    case MediaPlaybackState::eStarted:
      return "started";
    case MediaPlaybackState::ePlayed:
      return "played";
    case MediaPlaybackState::ePaused:
      return "paused";
    case MediaPlaybackState::eStopped:
      return "stopped";
    default:
      MOZ_ASSERT_UNREACHABLE("Invalid media state.");
      return "Unknown";
  }
}

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_