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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 MOJO_BINDINGS_JS_WAITING_CALLBACK_H_ | 5 #ifndef MOJO_BINDINGS_JS_WAITING_CALLBACK_H_ |
| 6 #define MOJO_BINDINGS_JS_WAITING_CALLBACK_H_ | 6 #define MOJO_BINDINGS_JS_WAITING_CALLBACK_H_ |
| 7 | 7 |
| 8 #include "gin/handle.h" | 8 #include "gin/handle.h" |
| 9 #include "gin/runner.h" | 9 #include "gin/runner.h" |
| 10 #include "gin/wrappable.h" | 10 #include "gin/wrappable.h" |
| 11 #include "mojo/public/c/environment/async_waiter.h" | 11 #include "mojo/public/c/environment/async_waiter.h" |
| 12 #include "mojo/public/cpp/system/core.h" | 12 #include "mojo/public/cpp/system/core.h" |
| 13 | 13 |
| 14 namespace mojo { | 14 namespace mojo { |
| 15 namespace js { | 15 namespace js { |
| 16 | 16 |
| 17 class WaitingCallback : public gin::Wrappable<WaitingCallback> { | 17 class WaitingCallback : public gin::Wrappable<WaitingCallback> { |
| 18 public: | 18 public: |
| 19 static gin::WrapperInfo kWrapperInfo; | 19 static gin::WrapperInfo kWrapperInfo; |
| 20 | 20 |
| 21 // Creates a new WaitingCallback. | 21 // Creates a new WaitingCallback. |
| 22 static gin::Handle<WaitingCallback> Create( | 22 static gin::Handle<WaitingCallback> Create( |
| 23 v8::Isolate* isolate, | 23 v8::Isolate* isolate, |
| 24 v8::Handle<v8::Function> callback, | 24 v8::Handle<v8::Function> callback, |
| 25 mojo::Handle handle, | 25 mojo::Handle handle, |
| 26 MojoWaitFlags flags); | 26 MojoHandleSignals signals); |
| 27 | 27 |
| 28 // Cancels the callback. Does nothing if a callback is not pending. This is | 28 // Cancels the callback. Does nothing if a callback is not pending. This is |
| 29 // implicitly invoked from the destructor but can be explicitly invoked as | 29 // implicitly invoked from the destructor but can be explicitly invoked as |
| 30 // necessary. | 30 // necessary. |
| 31 void Cancel(); | 31 void Cancel(); |
| 32 | 32 |
| 33 private: | 33 private: |
| 34 WaitingCallback(v8::Isolate* isolate, v8::Handle<v8::Function> callback); | 34 WaitingCallback(v8::Isolate* isolate, v8::Handle<v8::Function> callback); |
| 35 virtual ~WaitingCallback(); | 35 virtual ~WaitingCallback(); |
| 36 | 36 |
| 37 // Callback from MojoAsyncWaiter. |closure| is the WaitingCallback. | 37 // Callback from MojoAsyncWaiter. |closure| is the WaitingCallback. |
| 38 static void CallOnHandleReady(void* closure, MojoResult result); | 38 static void CallOnHandleReady(void* closure, MojoResult result); |
| 39 | 39 |
| 40 // Invoked from CallOnHandleReady() (CallOnHandleReady() must be static). | 40 // Invoked from CallOnHandleReady() (CallOnHandleReady() must be static). |
| 41 void OnHandleReady(MojoResult result); | 41 void OnHandleReady(MojoResult result); |
| 42 | 42 |
| 43 base::WeakPtr<gin::Runner> runner_; | 43 base::WeakPtr<gin::Runner> runner_; |
| 44 MojoAsyncWaitID wait_id_; | 44 MojoAsyncWaitID wait_id_; |
| 45 | 45 |
| 46 DISALLOW_COPY_AND_ASSIGN(WaitingCallback); | 46 DISALLOW_COPY_AND_ASSIGN(WaitingCallback); |
| 47 }; | 47 }; |
| 48 | 48 |
| 49 } // namespace js | 49 } // namespace js |
| 50 } // namespace mojo | 50 } // namespace mojo |
| 51 | 51 |
| 52 #endif // MOJO_BINDINGS_JS_WAITING_CALLBACK_H_ | 52 #endif // MOJO_BINDINGS_JS_WAITING_CALLBACK_H_ |
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