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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_MEDIA_MEDIA_STREAM_DEVICES_CONTROLLER_H_
#define CHROME_BROWSER_MEDIA_MEDIA_STREAM_DEVICES_CONTROLLER_H_
#include <string>
#include "content/public/browser/web_contents_delegate.h"
class Profile;
class TabSpecificContentSettings;
namespace content {
class WebContents;
}
namespace user_prefs {
class PrefRegistrySyncable;
}
class MediaStreamDevicesController {
public:
MediaStreamDevicesController(content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback);
virtual ~MediaStreamDevicesController();
// TODO(tommi): Clean up all the policy code and integrate with
// HostContentSettingsMap instead. This will make creating the UI simpler
// and the code cleaner. crbug.com/244389.
// Registers the prefs backing the audio and video policies.
static void RegisterUserPrefs(user_prefs::PrefRegistrySyncable* registry);
// Public method to be called before creating the MediaStreamInfoBarDelegate.
// This function will check the content settings exceptions and take the
// corresponding action on exception which matches the request.
bool DismissInfoBarAndTakeActionOnSettings();
// Public methods to be called by MediaStreamInfoBarDelegate;
bool has_audio() const { return microphone_requested_; }
bool has_video() const { return webcam_requested_; }
const std::string& GetSecurityOriginSpec() const;
void Accept(bool update_content_setting);
void Deny(bool update_content_setting);
private:
enum DevicePolicy {
POLICY_NOT_SET,
ALWAYS_DENY,
ALWAYS_ALLOW,
};
// Called by GetAudioDevicePolicy and GetVideoDevicePolicy to check
// the currently set capture device policy.
DevicePolicy GetDevicePolicy(const char* policy_name,
const char* whitelist_policy_name) const;
// Returns true if the origin of the request has been granted the media
// access before, otherwise returns false.
bool IsRequestAllowedByDefault() const;
// Returns true if the media access for the origin of the request has been
// blocked before. Otherwise returns false.
bool IsRequestBlockedByDefault() const;
// Returns true if the media section in content settings is set to
// |CONTENT_SETTING_BLOCK|, otherwise returns false.
bool IsDefaultMediaAccessBlocked() const;
// Returns true if the origin is a secure scheme, otherwise returns false.
bool IsSchemeSecure() const;
// Returns true if request's origin is from internal objects like
// chrome://URLs, otherwise returns false.
bool ShouldAlwaysAllowOrigin() const;
// Sets the permission of the origin of the request. This is triggered when
// the users deny the request or allow the request for https sites.
void SetPermission(bool allowed) const;
content::WebContents* web_contents_;
// The owner of this class needs to make sure it does not outlive the profile.
Profile* profile_;
// Weak pointer to the tab specific content settings of the tab for which the
// MediaStreamDevicesController was created. The tab specific content
// settings are associated with a the web contents of the tab. The
// MediaStreamDeviceController must not outlive the web contents for which it
// was created.
TabSpecificContentSettings* content_settings_;
// The original request for access to devices.
const content::MediaStreamRequest request_;
// The callback that needs to be Run to notify WebRTC of whether access to
// audio/video devices was granted or not.
content::MediaResponseCallback callback_;
bool microphone_requested_;
bool webcam_requested_;
DISALLOW_COPY_AND_ASSIGN(MediaStreamDevicesController);
};
#endif // CHROME_BROWSER_MEDIA_MEDIA_STREAM_DEVICES_CONTROLLER_H_
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