chrome/browser/media/media_stream_infobar_delegate.h

   1 // Copyright (c) 2012 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_MEDIA_STREAM_INFOBAR_DELEGATE_H_
   6 #define CHROME_BROWSER_MEDIA_MEDIA_STREAM_INFOBAR_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "chrome/browser/media/media_stream_devices_controller.h"
  12 #include "components/infobars/core/confirm_infobar_delegate.h"
  13
  14
  15 // This class configures an infobar shown when a page requests access to a
  16 // user's microphone and/or video camera.  The user is shown a message asking
  17 // which audio and/or video devices he wishes to use with the current page, and
  18 // buttons to give access to the selected devices to the page, or to deny access
  19 // to them.
  20 class MediaStreamInfoBarDelegate : public ConfirmInfoBarDelegate {
  21  public:
  22   ~MediaStreamInfoBarDelegate() override;
  23
  24   // Handles a permission request (in |request|) for |web_contents|.  If this
  25   // involves prompting the user, creates a media stream infobar and delegate,
  26   // then checks for an existing infobar for |web_contents| and replaces it if
  27   // found, or just adds the new infobar otherwise.  Returns whether an infobar
  28   // was created.
  29   static bool Create(content::WebContents* web_contents,
  30                      const content::MediaStreamRequest& request,
  31                      const content::MediaResponseCallback& callback);
  32
  33   bool IsRequestingVideoAccess() const;
  34   bool IsRequestingMicrophoneAccess() const;
  35
  36  private:
  37   friend class WebRtcTestBase;
  38
  39   explicit MediaStreamInfoBarDelegate(
  40       scoped_ptr<MediaStreamDevicesController> controller);
  41
  42   // ConfirmInfoBarDelegate:
  43   Type GetInfoBarType() const override;
  44   int GetIconID() const override;
  45   void InfoBarDismissed() override;
  46   MediaStreamInfoBarDelegate* AsMediaStreamInfoBarDelegate() override;
  47   base::string16 GetMessageText() const override;
  48   base::string16 GetButtonLabel(InfoBarButton button) const override;
  49   bool Accept() override;
  50   bool Cancel() override;
  51   base::string16 GetLinkText() const override;
  52   bool LinkClicked(WindowOpenDisposition disposition) override;
  53
  54   scoped_ptr<MediaStreamDevicesController> controller_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(MediaStreamInfoBarDelegate);
  57 };
  58
  59 #endif  // CHROME_BROWSER_MEDIA_MEDIA_STREAM_INFOBAR_DELEGATE_H_