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 MOJO_EXAMPLES_HTML_VIEWER_WEBTHREAD_IMPL_H_ 6 #define MOJO_EXAMPLES_HTML_VIEWER_WEBTHREAD_IMPL_H_ 7 8 #include <map> 9 10 #include "base/memory/scoped_ptr.h" 11 #include "base/threading/thread.h" 12 #include "third_party/WebKit/public/platform/WebThread.h" 13 14 namespace mojo { 15 namespace examples { 16 17 class WebThreadBase : public blink::WebThread { 18 public: 19 virtual ~WebThreadBase(); 20 21 virtual void addTaskObserver(TaskObserver* observer); 22 virtual void removeTaskObserver(TaskObserver* observer); 23 24 virtual bool isCurrentThread() const = 0; 25 26 protected: 27 WebThreadBase(); 28 29 private: 30 class TaskObserverAdapter; 31 32 typedef std::map<TaskObserver*, TaskObserverAdapter*> TaskObserverMap; 33 TaskObserverMap task_observer_map_; 34 }; 35 36 class WebThreadImpl : public WebThreadBase { 37 public: 38 explicit WebThreadImpl(const char* name); 39 virtual ~WebThreadImpl(); 40 41 virtual void postTask(Task* task); 42 virtual void postDelayedTask(Task* task, long long delay_ms); 43 44 virtual void enterRunLoop(); 45 virtual void exitRunLoop(); 46 message_loop()47 base::MessageLoop* message_loop() const { return thread_->message_loop(); } 48 49 virtual bool isCurrentThread() const; 50 51 private: 52 scoped_ptr<base::Thread> thread_; 53 }; 54 55 class WebThreadImplForMessageLoop : public WebThreadBase { 56 public: 57 explicit WebThreadImplForMessageLoop( 58 base::MessageLoopProxy* message_loop); 59 virtual ~WebThreadImplForMessageLoop(); 60 61 virtual void postTask(Task* task); 62 virtual void postDelayedTask(Task* task, long long delay_ms); 63 64 virtual void enterRunLoop(); 65 virtual void exitRunLoop(); 66 67 private: 68 virtual bool isCurrentThread() const; 69 scoped_refptr<base::MessageLoopProxy> message_loop_; 70 }; 71 72 } // namespace examples 73 } // namespace mojo 74 75 #endif // MOJO_EXAMPLES_HTML_VIEWER_WEBTHREAD_IMPL_H_ 76