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 "chrome/browser/extensions/extension_service.h"
  13 #include "extensions/browser/extension_system.h"
  14 #include "extensions/common/constants.h"
  15 #endif
  16
  17 namespace {
  18
  19 #if defined(ENABLE_EXTENSIONS)
  20 const extensions::Extension* GetExtensionForOrigin(Profile* profile,
  21                                              const GURL& security_origin) {
  22   if (!security_origin.SchemeIs(extensions::kExtensionScheme))
  23     return NULL;
  24
  25   ExtensionService* extensions_service =
  26       extensions::ExtensionSystem::Get(profile)->extension_service();
  27   const extensions::Extension* extension =
  28       extensions_service->extensions()->GetByID(security_origin.host());
  29   DCHECK(extension);
  30   return extension;
  31 }
  32 #endif
  33
  34 }  // namespace
  35
  36 void RequestMediaAccessPermission(
  37     content::WebContents* web_contents,
  38     Profile* profile,
  39     const content::MediaStreamRequest& request,
  40     const content::MediaResponseCallback& callback) {
  41   const extensions::Extension* extension = NULL;
  42 #if defined(ENABLE_EXTENSIONS)
  43   extension = GetExtensionForOrigin(profile, request.security_origin);
  44 #endif
  45   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
  46       web_contents, request, callback, extension);
  47 }
  48
  49 bool CheckMediaAccessPermission(content::WebContents* web_contents,
  50                                 const GURL& security_origin,
  51                                 content::MediaStreamType type) {
  52 #if defined(ENABLE_EXTENSIONS)
  53   Profile* profile =
  54       Profile::FromBrowserContext(web_contents->GetBrowserContext());
  55   const extensions::Extension* extension =
  56       GetExtensionForOrigin(profile, security_origin);
  57   if (extension) {
  58     return MediaCaptureDevicesDispatcher::GetInstance()
  59         ->CheckMediaAccessPermission(
  60             web_contents, security_origin, type, extension);
  61   }
  62   return MediaCaptureDevicesDispatcher::GetInstance()
  63       ->CheckMediaAccessPermission(web_contents, security_origin, type);
  64 #else
  65   return MediaCaptureDevicesDispatcher::GetInstance()
  66       ->CheckMediaAccessPermission(web_contents, security_origin, type);
  67 #endif
  68 }