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.
5 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_
6 #define CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_
9 #include "chrome/common/content_settings_types.h"
10 #include "content/public/browser/notification_observer.h"
11 #include "content/public/browser/notification_registrar.h"
14 class PermissionRequestID;
18 // This class controls an infobar queue per profile, and it's used by
19 // GeolocationPermissionContext, and so on.
20 // An alternate approach would be to have this queue per tab, and use
21 // notifications to broadcast when permission is set / listen to notification to
22 // cancel pending requests. This may be specially useful if there are other
23 // things listening for such notifications.
24 // For the time being this class is self-contained and it doesn't seem pulling
25 // the notification infrastructure would simplify.
26 class PermissionQueueController : public content::NotificationObserver {
28 typedef base::Callback<void(bool /* allowed */)> PermissionDecidedCallback;
30 PermissionQueueController(Profile* profile, ContentSettingsType type);
31 virtual ~PermissionQueueController();
33 // The InfoBar will be displayed immediately if the tab is not already
34 // displaying one, otherwise it'll be queued.
35 void CreateInfoBarRequest(const PermissionRequestID& id,
36 const GURL& requesting_frame,
38 PermissionDecidedCallback callback);
40 // Cancels a specific infobar request.
41 void CancelInfoBarRequest(const PermissionRequestID& id);
43 // Called by the InfoBarDelegate to notify permission has been set.
44 // It'll notify and dismiss any other pending InfoBar request for the same
45 // |requesting_frame| and embedder.
46 void OnPermissionSet(const PermissionRequestID& id,
47 const GURL& requesting_frame,
49 bool update_content_setting,
53 // content::NotificationObserver:
54 virtual void Observe(int type,
55 const content::NotificationSource& source,
56 const content::NotificationDetails& details) OVERRIDE;
59 class PendingInfoBarRequest;
62 typedef std::vector<PendingInfoBarRequest> PendingInfoBarRequests;
64 // Returns true if a geolocation infobar is already visible for the tab
65 // corresponding to |id|.
66 bool AlreadyShowingInfoBarForTab(const PermissionRequestID& id) const;
68 // Shows the next pending infobar for the tab corresponding to |id|, if any.
69 // Note that this may not be the pending request whose ID is |id| if other
70 // requests are higher in the queue. If we can't show infobars because there
71 // is no InfoBarService for this tab, removes all queued requests for this
73 void ShowQueuedInfoBarForTab(const PermissionRequestID& id);
75 void ClearPendingInfoBarRequestsForTab(const PermissionRequestID& id);
77 void RegisterForInfoBarNotifications(InfoBarService* infobar_service);
78 void UnregisterForInfoBarNotifications(InfoBarService* infobar_service);
80 void UpdateContentSetting(
81 const GURL& requesting_frame, const GURL& embedder, bool allowed);
83 content::NotificationRegistrar registrar_;
85 Profile* const profile_;
86 ContentSettingsType type_;
87 PendingInfoBarRequests pending_infobar_requests_;
90 DISALLOW_COPY_AND_ASSIGN(PermissionQueueController);
93 #endif // CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_QUEUE_CONTROLLER_H_