Touch Events capability negotiation

remoting/host/input_injector_win.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/host/input_injector.h"
 
 #include <windows.h>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 41 matching lines @@
 using protocol::KeyEvent;
 using protocol::TextEvent;
 using protocol::MouseEvent;
 using protocol::TouchEvent;
 
 // A class to generate events on Windows.
 class InputInjectorWin : public InputInjector {
  public:
   InputInjectorWin(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
                    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
-  virtual ~InputInjectorWin();
+  ~InputInjectorWin() override;
 
   // ClipboardStub interface.
-  virtual void InjectClipboardEvent(const ClipboardEvent& event) override;
+  void InjectClipboardEvent(const ClipboardEvent& event) override;
 
   // InputStub interface.
-  virtual void InjectKeyEvent(const KeyEvent& event) override;
-  virtual void InjectTextEvent(const TextEvent& event) override;
-  virtual void InjectMouseEvent(const MouseEvent& event) override;
-  virtual void InjectTouchEvent(const TouchEvent& event) override;
+  void InjectKeyEvent(const KeyEvent& event) override;
+  void InjectTextEvent(const TextEvent& event) override;
+  void InjectMouseEvent(const MouseEvent& event) override;
+  void InjectTouchEvent(const TouchEvent& event) override;
 
   // InputInjector interface.
-  virtual void Start(
-      scoped_ptr<protocol::ClipboardStub> client_clipboard) override;
+  void Start(scoped_ptr<protocol::ClipboardStub> client_clipboard) override;
 
  private:
   // The actual implementation resides in InputInjectorWin::Core class.
   class Core : public base::RefCountedThreadSafe<Core> {
    public:
     Core(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
          scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
 
     // Mirrors the ClipboardStub interface.
     void InjectClipboardEvent(const ClipboardEvent& event);
@@ skipping 255 matching lines @@
       PLOG(ERROR) << "Failed to inject a mouse event";
   }
 }
 
 void InputInjectorWin::Core::HandleTouch(const TouchEvent& event) {
   touch_injector_.InjectTouchEvent(event);
 }
 
 }  // namespace
 
+// static
 scoped_ptr<InputInjector> InputInjector::Create(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   return make_scoped_ptr(
       new InputInjectorWin(main_task_runner, ui_task_runner));
 }
 
+// static
+bool InputInjector::SupportsTouchEvents() {
+  return TouchInjectorWinDelegate::Create();
+}
+
 }  // namespace remoting