OLD | NEW |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ | 5 #ifndef CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ |
6 #define CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ | 6 #define CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/compiler_specific.h" | 10 #include "base/callback_forward.h" |
11 #include "base/id_map.h" | 11 #include "base/id_map.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "content/child/permissions/permission_observers_registry.h" |
14 #include "content/common/permission_service.mojom.h" | 15 #include "content/common/permission_service.mojom.h" |
15 #include "third_party/WebKit/public/platform/modules/permissions/WebPermissionCl
ient.h" | 16 #include "third_party/WebKit/public/platform/modules/permissions/WebPermissionCl
ient.h" |
16 | 17 |
17 namespace content { | 18 namespace content { |
18 | 19 |
19 class ServiceRegistry; | 20 class ServiceRegistry; |
20 | 21 |
21 // The PermissionDispatcher is a layer between Blink and the Mojo | 22 // The PermissionDispatcher is a layer between Blink and the Mojo |
22 // PermissionService. It implements blink::WebPermissionClient. It is being used | 23 // PermissionService. It implements blink::WebPermissionClient. It is being used |
23 // from workers and frames independently. When called outside of the main | 24 // from workers and frames independently. When called outside of the main |
24 // thread, QueryPermissionForWorker is meant to be called. It will handle the | 25 // thread, QueryPermissionForWorker is meant to be called. It will handle the |
25 // thread jumping. | 26 // thread jumping. |
26 class PermissionDispatcher : public blink::WebPermissionClient { | 27 class PermissionDispatcher : public blink::WebPermissionClient, |
| 28 public PermissionObserversRegistry { |
27 public: | 29 public: |
| 30 // Returns whether the given WebPermissionType is observable. Some types have |
| 31 // static values that never changes. |
| 32 static bool IsObservable(blink::WebPermissionType type); |
| 33 |
28 // The caller must guarantee that |service_registry| will have a lifetime | 34 // The caller must guarantee that |service_registry| will have a lifetime |
29 // larger than this instance of PermissionDispatcher. | 35 // larger than this instance of PermissionDispatcher. |
30 explicit PermissionDispatcher(ServiceRegistry* service_registry); | 36 explicit PermissionDispatcher(ServiceRegistry* service_registry); |
31 virtual ~PermissionDispatcher(); | 37 virtual ~PermissionDispatcher(); |
32 | 38 |
33 // blink::WebPermissionClient implementation. | 39 // blink::WebPermissionClient implementation. |
34 virtual void queryPermission(blink::WebPermissionType type, | 40 virtual void queryPermission(blink::WebPermissionType type, |
35 const blink::WebURL& origin, | 41 const blink::WebURL& origin, |
36 blink::WebPermissionQueryCallback* callback); | 42 blink::WebPermissionQueryCallback* callback); |
| 43 virtual void startListening(blink::WebPermissionType type, |
| 44 const blink::WebURL& origin, |
| 45 blink::WebPermissionObserver* observer); |
| 46 virtual void stopListening(blink::WebPermissionObserver* observer); |
37 | 47 |
| 48 // The following methods must be called by workers on the main thread. |
38 void QueryPermissionForWorker(blink::WebPermissionType type, | 49 void QueryPermissionForWorker(blink::WebPermissionType type, |
39 const std::string& origin, | 50 const std::string& origin, |
40 blink::WebPermissionQueryCallback* callback, | 51 blink::WebPermissionQueryCallback* callback, |
41 int worker_thread_id); | 52 int worker_thread_id); |
| 53 void StartListeningForWorker( |
| 54 blink::WebPermissionType type, |
| 55 const std::string& origin, |
| 56 int worker_thread_id, |
| 57 const base::Callback<void(blink::WebPermissionStatus)>& callback); |
| 58 void GetNextPermissionChangeForWorker( |
| 59 blink::WebPermissionType type, |
| 60 const std::string& origin, |
| 61 blink::WebPermissionStatus status, |
| 62 int worker_thread_id, |
| 63 const base::Callback<void(blink::WebPermissionStatus)>& callback); |
42 | 64 |
43 protected: | 65 private: |
| 66 // Runs the given |callback| with |status| as a parameter. It has to be run |
| 67 // on a worker thread. |
| 68 static void RunCallbackOnWorkerThread( |
| 69 blink::WebPermissionQueryCallback* callback, |
| 70 scoped_ptr<blink::WebPermissionStatus> status); |
| 71 |
| 72 // Helper method that returns an initialized PermissionServicePtr. |
| 73 PermissionServicePtr& GetPermissionServicePtr(); |
| 74 |
44 void QueryPermissionInternal(blink::WebPermissionType type, | 75 void QueryPermissionInternal(blink::WebPermissionType type, |
45 const std::string& origin, | 76 const std::string& origin, |
46 blink::WebPermissionQueryCallback* callback, | 77 blink::WebPermissionQueryCallback* callback, |
47 int worker_thread_id); | 78 int worker_thread_id); |
48 | 79 |
49 void OnQueryPermission(int request_id, PermissionStatus status); | 80 void OnQueryPermission(int request_id, PermissionStatus status); |
| 81 void OnPermissionChanged(blink::WebPermissionType type, |
| 82 const std::string& origin, |
| 83 blink::WebPermissionObserver* observer, |
| 84 PermissionStatus status); |
| 85 void OnPermissionChangedForWorker( |
| 86 int worker_thread_id, |
| 87 const base::Callback<void(blink::WebPermissionStatus)>& callback, |
| 88 PermissionStatus status); |
50 | 89 |
51 // Called from the main thread in order to run the callback in the thread it | 90 void GetNextPermissionChange(blink::WebPermissionType type, |
52 // was created on. | 91 const std::string& origin, |
53 static void RunCallbackOnWorkerThread( | 92 blink::WebPermissionObserver* observer, |
54 blink::WebPermissionQueryCallback* callback, | 93 PermissionStatus current_status); |
55 scoped_ptr<blink::WebPermissionStatus> status); | |
56 | 94 |
57 // Saves some basic information about the callback in order to be able to run | 95 // Saves some basic information about the callback in order to be able to run |
58 // it in the right thread. | 96 // it in the right thread. |
59 class CallbackInformation { | 97 class CallbackInformation { |
60 public: | 98 public: |
61 CallbackInformation(blink::WebPermissionQueryCallback* callback, | 99 CallbackInformation(blink::WebPermissionQueryCallback* callback, |
62 int worker_thread_id); | 100 int worker_thread_id); |
63 ~CallbackInformation(); | 101 ~CallbackInformation(); |
64 | 102 |
65 blink::WebPermissionQueryCallback* callback() const; | 103 blink::WebPermissionQueryCallback* callback() const; |
(...skipping 12 matching lines...) Expand all Loading... |
78 | 116 |
79 ServiceRegistry* service_registry_; | 117 ServiceRegistry* service_registry_; |
80 PermissionServicePtr permission_service_; | 118 PermissionServicePtr permission_service_; |
81 | 119 |
82 DISALLOW_COPY_AND_ASSIGN(PermissionDispatcher); | 120 DISALLOW_COPY_AND_ASSIGN(PermissionDispatcher); |
83 }; | 121 }; |
84 | 122 |
85 } // namespace content | 123 } // namespace content |
86 | 124 |
87 #endif // CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ | 125 #endif // CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ |
OLD | NEW |