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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_MEDIA_STREAM_INFOBAR_DELEGATE_H_
#define CHROME_BROWSER_UI_MEDIA_STREAM_INFOBAR_DELEGATE_H_
#include <string>
#include "base/compiler_specific.h"
#include "chrome/browser/api/infobars/infobar_delegate.h"
#include "chrome/browser/media/media_stream_devices_controller.h"
class InfoBarTabHelper;
class InfoBarService;
// This class configures an infobar shown when a page requests access to a
// user's microphone and/or video camera. The user is shown a message asking
// which audio and/or video devices he wishes to use with the current page, and
// buttons to give access to the selected devices to the page, or to deny access
// to them.
class MediaStreamInfoBarDelegate : public InfoBarDelegate {
public:
// MediaStreamInfoBarDelegate takes the ownership of the |controller|.
MediaStreamInfoBarDelegate(
InfoBarTabHelper* tab_helper,
MediaStreamDevicesController* controller);
virtual ~MediaStreamInfoBarDelegate();
// These tell whether the user has to select audio and/or video devices.
bool HasAudio() const;
bool HasVideo() const;
// Returns lists of audio and/or video devices from which the user will have
// to choose.
content::MediaStreamDevices GetAudioDevices() const;
content::MediaStreamDevices GetVideoDevices() const;
// Returns the security origin (e.g. "www.html5rocks.com") at the origin
// of this request.
const std::string& GetSecurityOriginSpec() const;
void set_selected_audio_device(const std::string& device_id) {
selected_audio_device_ = device_id;
}
void set_selected_video_device(const std::string& device_id) {
selected_video_device_ = device_id;
}
void toggle_always_allow() { always_allow_ = !always_allow_; }
const std::string& selected_audio_device() const {
return selected_audio_device_;
}
const std::string& selected_video_device() const {
return selected_video_device_;
}
bool always_allow() const { return always_allow_; }
// These determine whether all audio (or video) devices can be auto-accepted
// in the future should the user accept them this time.
bool IsSafeToAlwaysAllowAudio() const;
bool IsSafeToAlwaysAllowVideo() const;
// Callbacks to handle accepting devices or denying the request.
void Accept();
void Deny();
private:
// InfoBarDelegate:
virtual InfoBar* CreateInfoBar(InfoBarService* owner) OVERRIDE;
virtual void InfoBarDismissed() OVERRIDE;
virtual gfx::Image* GetIcon() const OVERRIDE;
virtual Type GetInfoBarType() const OVERRIDE;
virtual MediaStreamInfoBarDelegate* AsMediaStreamInfoBarDelegate() OVERRIDE;
private:
scoped_ptr<MediaStreamDevicesController> controller_;
std::string selected_audio_device_;
std::string selected_video_device_;
bool always_allow_;
DISALLOW_COPY_AND_ASSIGN(MediaStreamInfoBarDelegate);
};
#endif // CHROME_BROWSER_UI_MEDIA_STREAM_INFOBAR_DELEGATE_H_
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