chrome/browser/ui/media_utils.cc

   1 // Copyright 2013 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 #include "chrome/browser/ui/media_utils.h"
   6
   7 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "content/public/browser/web_contents.h"
  10
  11 #if defined(ENABLE_EXTENSIONS)
  12 #include "extensions/browser/extension_registry.h"
  13 #include "extensions/common/constants.h"
  14 #endif
  15
  16 namespace {
  17
  18 #if defined(ENABLE_EXTENSIONS)
  19 const extensions::Extension* GetExtensionForOrigin(Profile* profile,
  20                                              const GURL& security_origin) {
  21   if (!security_origin.SchemeIs(extensions::kExtensionScheme))
  22     return NULL;
  23
  24   const extensions::Extension* extension =
  25       extensions::ExtensionRegistry::Get(profile)->enabled_extensions().GetByID(
  26           security_origin.host());
  27   DCHECK(extension);
  28   return extension;
  29 }
  30 #endif
  31
  32 }  // namespace
  33
  34 void RequestMediaAccessPermission(
  35     content::WebContents* web_contents,
  36     Profile* profile,
  37     const content::MediaStreamRequest& request,
  38     const content::MediaResponseCallback& callback) {
  39   const extensions::Extension* extension = NULL;
  40 #if defined(ENABLE_EXTENSIONS)
  41   extension = GetExtensionForOrigin(profile, request.security_origin);
  42 #endif
  43   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
  44       web_contents, request, callback, extension);
  45 }
  46
  47 bool CheckMediaAccessPermission(content::WebContents* web_contents,
  48                                 const GURL& security_origin,
  49                                 content::MediaStreamType type) {
  50 #if defined(ENABLE_EXTENSIONS)
  51   Profile* profile =
  52       Profile::FromBrowserContext(web_contents->GetBrowserContext());
  53   const extensions::Extension* extension =
  54       GetExtensionForOrigin(profile, security_origin);
  55   if (extension) {
  56     return MediaCaptureDevicesDispatcher::GetInstance()
  57         ->CheckMediaAccessPermission(
  58             web_contents, security_origin, type, extension);
  59   }
  60   return MediaCaptureDevicesDispatcher::GetInstance()
  61       ->CheckMediaAccessPermission(web_contents, security_origin, type);
  62 #else
  63   return MediaCaptureDevicesDispatcher::GetInstance()
  64       ->CheckMediaAccessPermission(web_contents, security_origin, type);
  65 #endif
  66 }