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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ | |
| 6 #define CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/callback_forward.h" | |
| 12 #include "base/containers/scoped_ptr_hash_map.h" | |
| 13 #include "base/macros.h" | |
| 14 #include "content/child/permissions/permission_observers_registry.h" | |
| 15 #include "third_party/WebKit/public/platform/modules/permissions/WebPermissionCl
ient.h" | |
| 16 #include "third_party/WebKit/public/platform/modules/permissions/permission.mojo
m.h" | |
| 17 | |
| 18 namespace shell { | |
| 19 class InterfaceProvider; | |
| 20 } | |
| 21 | |
| 22 namespace content { | |
| 23 | |
| 24 // The PermissionDispatcher is a layer between Blink and the Mojo | |
| 25 // PermissionService. It implements blink::WebPermissionClient. It is being used | |
| 26 // from workers and frames independently. When called outside of the main | |
| 27 // thread, QueryPermissionForWorker is meant to be called. It will handle the | |
| 28 // thread jumping. | |
| 29 class PermissionDispatcher : public blink::WebPermissionClient, | |
| 30 public PermissionObserversRegistry { | |
| 31 public: | |
| 32 // Returns whether the given WebPermissionType is observable. Some types have | |
| 33 // static values that never changes. | |
| 34 static bool IsObservable(blink::WebPermissionType type); | |
| 35 | |
| 36 // The caller must guarantee that |interface_registry| will have a lifetime | |
| 37 // larger than this instance of PermissionDispatcher. | |
| 38 explicit PermissionDispatcher(shell::InterfaceProvider* remote_interfaces); | |
| 39 ~PermissionDispatcher() override; | |
| 40 | |
| 41 // blink::WebPermissionClient implementation. | |
| 42 void queryPermission(blink::WebPermissionType type, | |
| 43 const blink::WebURL& origin, | |
| 44 blink::WebPermissionCallback* callback) override; | |
| 45 void requestPermission(blink::WebPermissionType, | |
| 46 const blink::WebURL& origin, | |
| 47 blink::WebPermissionCallback* callback) override; | |
| 48 void requestPermissions( | |
| 49 const blink::WebVector<blink::WebPermissionType>& types, | |
| 50 const blink::WebURL& origin, | |
| 51 blink::WebPermissionsCallback* callback) override; | |
| 52 void revokePermission(blink::WebPermissionType, | |
| 53 const blink::WebURL& origin, | |
| 54 blink::WebPermissionCallback* callback) override; | |
| 55 void startListening(blink::WebPermissionType type, | |
| 56 const blink::WebURL& origin, | |
| 57 blink::WebPermissionObserver* observer) override; | |
| 58 void stopListening(blink::WebPermissionObserver* observer) override; | |
| 59 | |
| 60 // The following methods must be called by workers on the main thread. | |
| 61 void QueryPermissionForWorker(blink::WebPermissionType type, | |
| 62 const std::string& origin, | |
| 63 blink::WebPermissionCallback* callback, | |
| 64 int worker_thread_id); | |
| 65 void RequestPermissionForWorker(blink::WebPermissionType type, | |
| 66 const std::string& origin, | |
| 67 blink::WebPermissionCallback* callback, | |
| 68 int worker_thread_id); | |
| 69 void RequestPermissionsForWorker( | |
| 70 const blink::WebVector<blink::WebPermissionType>& types, | |
| 71 const std::string& origin, | |
| 72 blink::WebPermissionsCallback* callback, | |
| 73 int worker_thread_id); | |
| 74 void RevokePermissionForWorker(blink::WebPermissionType type, | |
| 75 const std::string& origin, | |
| 76 blink::WebPermissionCallback* callback, | |
| 77 int worker_thread_id); | |
| 78 void StartListeningForWorker( | |
| 79 blink::WebPermissionType type, | |
| 80 const std::string& origin, | |
| 81 int worker_thread_id, | |
| 82 const base::Callback<void(blink::WebPermissionStatus)>& callback); | |
| 83 void GetNextPermissionChangeForWorker( | |
| 84 blink::WebPermissionType type, | |
| 85 const std::string& origin, | |
| 86 blink::WebPermissionStatus status, | |
| 87 int worker_thread_id, | |
| 88 const base::Callback<void(blink::WebPermissionStatus)>& callback); | |
| 89 | |
| 90 private: | |
| 91 using PermissionCallbackMap = | |
| 92 base::ScopedPtrHashMap<uintptr_t, | |
| 93 std::unique_ptr<blink::WebPermissionCallback>>; | |
| 94 using PermissionsCallbackMap = | |
| 95 base::ScopedPtrHashMap<uintptr_t, | |
| 96 std::unique_ptr<blink::WebPermissionsCallback>>; | |
| 97 | |
| 98 // Runs the given |callback| with |status| as a parameter. It has to be run | |
| 99 // on a worker thread. | |
| 100 static void RunPermissionCallbackOnWorkerThread( | |
| 101 std::unique_ptr<blink::WebPermissionCallback> callback, | |
| 102 blink::WebPermissionStatus status); | |
| 103 static void RunPermissionsCallbackOnWorkerThread( | |
| 104 std::unique_ptr<blink::WebPermissionsCallback> callback, | |
| 105 std::unique_ptr<blink::WebVector<blink::WebPermissionStatus>> statuses); | |
| 106 | |
| 107 // Helper method that returns an initialized PermissionServicePtr. | |
| 108 blink::mojom::PermissionService* GetPermissionServicePtr(); | |
| 109 | |
| 110 void QueryPermissionInternal(blink::WebPermissionType type, | |
| 111 const std::string& origin, | |
| 112 blink::WebPermissionCallback* callback, | |
| 113 int worker_thread_id); | |
| 114 void RequestPermissionInternal(blink::WebPermissionType type, | |
| 115 const std::string& origin, | |
| 116 blink::WebPermissionCallback* callback, | |
| 117 int worker_thread_id); | |
| 118 void RequestPermissionsInternal( | |
| 119 const blink::WebVector<blink::WebPermissionType>& types, | |
| 120 const std::string& origin, | |
| 121 blink::WebPermissionsCallback* callback, | |
| 122 int worker_thread_id); | |
| 123 void RevokePermissionInternal(blink::WebPermissionType type, | |
| 124 const std::string& origin, | |
| 125 blink::WebPermissionCallback* callback, | |
| 126 int worker_thread_id); | |
| 127 | |
| 128 // This is the callback function used for query, request and revoke. | |
| 129 void OnPermissionResponse(int worker_thread_id, | |
| 130 uintptr_t callback_key, | |
| 131 blink::mojom::PermissionStatus status); | |
| 132 void OnRequestPermissionsResponse( | |
| 133 int worker_thread_id, | |
| 134 uintptr_t callback_key, | |
| 135 mojo::Array<blink::mojom::PermissionStatus> status); | |
| 136 void OnPermissionChanged(blink::WebPermissionType type, | |
| 137 const std::string& origin, | |
| 138 blink::WebPermissionObserver* observer, | |
| 139 blink::mojom::PermissionStatus status); | |
| 140 void OnPermissionChangedForWorker( | |
| 141 int worker_thread_id, | |
| 142 const base::Callback<void(blink::WebPermissionStatus)>& callback, | |
| 143 blink::mojom::PermissionStatus status); | |
| 144 | |
| 145 void GetNextPermissionChange(blink::WebPermissionType type, | |
| 146 const std::string& origin, | |
| 147 blink::WebPermissionObserver* observer, | |
| 148 blink::mojom::PermissionStatus current_status); | |
| 149 | |
| 150 // Pending callbacks for query(), revoke() and request() single permission. | |
| 151 PermissionCallbackMap permission_callbacks_; | |
| 152 | |
| 153 // Pending callbacks for request() multiple permissions. | |
| 154 PermissionsCallbackMap permissions_callbacks_; | |
| 155 | |
| 156 shell::InterfaceProvider* remote_interfaces_; | |
| 157 blink::mojom::PermissionServicePtr permission_service_; | |
| 158 | |
| 159 DISALLOW_COPY_AND_ASSIGN(PermissionDispatcher); | |
| 160 }; | |
| 161 | |
| 162 } // namespace content | |
| 163 | |
| 164 #endif // CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_ | |
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Chromium Code Reviews
Issue 2108003002:
Merge //content/child/permissions into Blink's permissions module. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master