content/browser/permissions/permission_service_context.h

   1 // Copyright 2014 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 CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_CONTEXT_H_
   6 #define CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_CONTEXT_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_vector.h"
  10 #include "content/public/browser/web_contents_observer.h"
  11 #include "mojo/public/cpp/bindings/interface_request.h"
  12
  13 namespace content {
  14
  15 class PermissionService;
  16 class PermissionServiceImpl;
  17 class RenderFrameHost;
  18
  19 // Provides information to a PermissionService. It is used by the
  20 // PermissionService to handle request permission UI.
  21 // There is one PermissionServiceContext per RenderFrameHost/RenderProcessHost
  22 // which owns it. It then owns all PermissionService associated to their owner.
  23 class PermissionServiceContext : public WebContentsObserver {
  24  public:
  25   explicit PermissionServiceContext(RenderFrameHost* render_frame_host);
  26   virtual ~PermissionServiceContext();
  27
  28   void CreateService(mojo::InterfaceRequest<PermissionService> request);
  29
  30   // Called by a PermissionService identified as |service| when it has a
  31   // connection error in order to get unregistered and killed.
  32   void ServiceHadConnectionError(PermissionServiceImpl* service);
  33
  34  private:
  35   // WebContentsObserver
  36   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
  37   void DidNavigateAnyFrame(RenderFrameHost* render_frame_host,
  38                            const LoadCommittedDetails& details,
  39                            const FrameNavigateParams& params) override;
  40
  41   void CancelPendingRequests(RenderFrameHost*) const;
  42
  43   RenderFrameHost* render_frame_host_;
  44   ScopedVector<PermissionServiceImpl> services_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(PermissionServiceContext);
  47 };
  48
  49 }  // namespace content
  50
  51 #endif  // CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_CONTEXT_H_