Index: content/child/permissions/permission_manager.h |
diff --git a/content/child/permissions/permission_manager.h b/content/child/permissions/permission_manager.h |
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+// Copyright 2015 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 CONTENT_CHILD_PERMISSIONS_PERMISSION_MANAGER_H_ |
+#define CONTENT_CHILD_PERMISSIONS_PERMISSION_MANAGER_H_ |
+ |
+#include <string> |
+ |
+#include "base/compiler_specific.h" |
+#include "base/id_map.h" |
+#include "base/macros.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "content/common/permission_service.mojom.h" |
+#include "third_party/WebKit/public/platform/modules/permissions/WebPermissionClient.h" |
+ |
+namespace content { |
+ |
+class ServiceRegistry; |
+ |
+// The PermissionManager is a layer between Blink and the Mojo PermissionService |
+// It implements blink::WebPermissionClient. It is being used from workers and |
+// frames independently. When called outside of the main thread, |
+// QueryPermissionForWorker is meant to be called. It will handle the thread |
+// jumping. |
+class PermissionManager : public blink::WebPermissionClient { |
+ public: |
+ // The caller must guarantee that |service_registry| will have a lifetime |
+ // larger than this instance of PermissionManager. |
+ explicit PermissionManager(ServiceRegistry* service_registry); |
+ virtual ~PermissionManager(); |
+ |
+ // blink::WebPermissionClient implementation. |
+ virtual void queryPermission(blink::WebPermissionType type, |
+ const blink::WebURL& origin, |
+ blink::WebPermissionQueryCallback* callback); |
+ |
+ void QueryPermissionForWorker(blink::WebPermissionType type, |
+ const std::string& origin, |
+ blink::WebPermissionQueryCallback* callback, |
+ int worker_thread_id); |
+ |
+ protected: |
Bernhard Bauer
2015/03/23 18:27:42
Why protected? Is this class meant to be subclasse
|
+ void QueryPermissionInternal(blink::WebPermissionType type, |
+ const std::string& origin, |
+ blink::WebPermissionQueryCallback* callback, |
+ int worker_thread_id); |
+ |
+ void OnQueryPermission(int request_id, PermissionStatus status); |
+ |
+ // Called from the main thread in order to run the callback in the thread it |
+ // was created on. |
+ static void RunCallbackOnWorkerThread( |
Bernhard Bauer
2015/03/23 18:27:42
You could move this to an anonymous namespace in t
|
+ blink::WebPermissionQueryCallback* callback, |
+ scoped_ptr<blink::WebPermissionStatus> status); |
+ |
+ // Saves some basic information about the callback in order to be able to run |
+ // it in the right thread. |
+ class CallbackInformation { |
Bernhard Bauer
2015/03/23 18:27:42
Can you only forward-declare this class here?
Als
|
+ public: |
+ CallbackInformation(blink::WebPermissionQueryCallback* callback, |
+ int worker_thread_id); |
+ ~CallbackInformation(); |
+ |
+ blink::WebPermissionQueryCallback* callback() const; |
+ int worker_thread_id() const; |
+ |
+ blink::WebPermissionQueryCallback* ReleaseCallback(); |
+ |
+ private: |
+ scoped_ptr<blink::WebPermissionQueryCallback> callback_; |
+ int worker_thread_id_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CallbackInformation); |
+ }; |
+ using CallbackMap = IDMap<CallbackInformation, IDMapOwnPointer>; |
+ CallbackMap pending_callbacks_; |
+ |
+ ServiceRegistry* service_registry_; |
+ PermissionServicePtr permission_service_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PermissionManager); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_CHILD_PERMISSIONS_PERMISSION_MANAGER_H_ |