permissions: remove PermissionQueueController and introduce PermissionInfoBarManager

chrome/browser/permissions/permission_queue_controller.h

-// Copyright 2013 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_PERMISSIONS_PERMISSION_QUEUE_CONTROLLER_H_
-#define CHROME_BROWSER_PERMISSIONS_PERMISSION_QUEUE_CONTROLLER_H_
-
-#include "base/bind.h"
-#include "components/content_settings/core/common/content_settings.h"
-#include "components/content_settings/core/common/content_settings_types.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class GURL;
-class PermissionRequestID;
-class InfoBarService;
-class Profile;
-
-// This class controls an infobar queue per profile, and it's used by
-// GeolocationPermissionContext, and so on.
-// An alternate approach would be to have this queue per tab, and use
-// notifications to broadcast when permission is set / listen to notification to
-// cancel pending requests. This may be specially useful if there are other
-// things listening for such notifications.
-// For the time being this class is self-contained and it doesn't seem pulling
-// the notification infrastructure would simplify.
-class PermissionQueueController : public content::NotificationObserver {
- public:
-  using PermissionDecidedCallback = base::Callback<void(ContentSetting)>;
-
-  PermissionQueueController(Profile* profile, ContentSettingsType type);
-  ~PermissionQueueController() override;
-
-  // The InfoBar will be displayed immediately if the tab is not already
-  // displaying one, otherwise it'll be queued.
-  void CreateInfoBarRequest(const PermissionRequestID& id,
-                            const GURL& requesting_frame,
-                            const GURL& embedder,
-                            const PermissionDecidedCallback& callback);
-
-  // Cancels a specific infobar request.
-  void CancelInfoBarRequest(const PermissionRequestID& id);
-
-  // Called by the InfoBarDelegate to notify permission has been set.
-  // It'll notify and dismiss any other pending InfoBar request for the same
-  // |requesting_frame| and embedder.
-  void OnPermissionSet(const PermissionRequestID& id,
-                       const GURL& requesting_frame,
-                       const GURL& embedder,
-                       bool update_content_setting,
-                       bool allowed);
-
-  // Performs the update to content settings for a particular request frame
-  // context.
-  void UpdateContentSetting(
-      const GURL& requesting_frame, const GURL& embedder, bool allowed);
-
- protected:
-  // content::NotificationObserver:
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
- private:
-  class PendingInfobarRequest;
-  class RequestEquals;
-
-  typedef std::vector<PendingInfobarRequest> PendingInfobarRequests;
-
-  // Returns true if a geolocation infobar is already visible for the tab
-  // corresponding to |id|.
-  bool AlreadyShowingInfoBarForTab(const PermissionRequestID& id) const;
-
-  // Shows the next pending infobar for the tab corresponding to |id|, if any.
-  // Note that this may not be the pending request whose ID is |id| if other
-  // requests are higher in the queue.  If we can't show infobars because there
-  // is no InfoBarService for this tab, removes all queued requests for this
-  // tab.
-  void ShowQueuedInfoBarForTab(const PermissionRequestID& id);
-
-  void ClearPendingInfobarRequestsForTab(const PermissionRequestID& id);
-
-  void RegisterForInfoBarNotifications(InfoBarService* infobar_service);
-  void UnregisterForInfoBarNotifications(InfoBarService* infobar_service);
-
-  content::NotificationRegistrar registrar_;
-
-  Profile* const profile_;
-  ContentSettingsType type_;
-  PendingInfobarRequests pending_infobar_requests_;
-  bool in_shutdown_;
-
-  DISALLOW_COPY_AND_ASSIGN(PermissionQueueController);
-};
-
-#endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_QUEUE_CONTROLLER_H_