chrome/browser/media/router/media_source_helper.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_HELPER_H_
   6 #define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_HELPER_H_
   7
   8 #include <string>
   9
  10 #include "chrome/browser/media/router/media_source.h"
  11
  12 namespace media_router {
  13
  14 // Helper library for protocol-specific media source object creation.
  15
  16 // TODO(kmarshall): Should these creation methods be moved to the WebUI, which
  17 // (excluding Presentation API) is their only caller? The MR base code can be
  18 // Also, consider generating an is_mirroring state boolean at the time of URN
  19 // creation so that the mirroring status does not have to be determined from a
  20 // string prefix check.
  21 // These changes would allow the MR to handle MediaSource objects in the same
  22 // type agnostic fashion vs. having to format and parse URNs and track which
  23 // MediaSource types are mirroring-enabled.
  24
  25 // Returns MediaSource URI depending on the type of source.
  26 MediaSource ForTabMediaSource(int tab_id);
  27 MediaSource ForDesktopMediaSource();
  28 MediaSource ForCastAppMediaSource(const std::string& app_id);
  29 MediaSource ForPresentationUrl(const std::string& presentation_url);
  30
  31 // Returns true if |source| outputs its content via mirroring.
  32 bool IsMirroringMediaSource(const MediaSource& source);
  33
  34 // Checks that |source| is a parseable URN and is of a known type.
  35 // Does not deeper protocol-level syntax checks.
  36 bool IsValidMediaSource(const MediaSource& source);
  37
  38 }  // namespace media_router
  39
  40 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_HELPER_H_