Touch Events capability negotiation

remoting/host/input_injector_mac.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 <ApplicationServices/ApplicationServices.h>
 #include <Carbon/Carbon.h>
 #include <algorithm>
 
@@ skipping 56 matching lines @@
   void InjectClipboardEvent(const ClipboardEvent& event) override;
 
   // InputStub interface.
   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.
   void Start(scoped_ptr<protocol::ClipboardStub> client_clipboard) override;
+  bool CanInjectTouch() override;
 
  private:
   // The actual implementation resides in InputInjectorMac::Core class.
   class Core : public base::RefCountedThreadSafe<Core> {
    public:
     explicit Core(scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
     // Mirrors the ClipboardStub interface.
     void InjectClipboardEvent(const ClipboardEvent& event);
 
@@ skipping 53 matching lines @@
 
 void InputInjectorMac::InjectTouchEvent(const TouchEvent& event) {
   NOTIMPLEMENTED() << "Raw touch event injection not implemented for Mac.";
 }
 
 void InputInjectorMac::Start(
     scoped_ptr<protocol::ClipboardStub> client_clipboard) {
   core_->Start(client_clipboard.Pass());
 }
 
+bool InputInjectorMac::CanInjectTouch() {
+  return InputInjector::DefaultCanInjectTouch();
+}
+
 InputInjectorMac::Core::Core(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner)
     : task_runner_(task_runner),
       mouse_button_state_(0),
       clipboard_(Clipboard::Create()),
       left_modifiers_(0),
       right_modifiers_(0) {
   // Ensure that local hardware events are not suppressed after injecting
   // input events.  This allows LocalInputMonitor to detect if the local mouse
   // is being moved whilst a remote user is connected.
@@ skipping 173 matching lines @@
     return;
   }
 
   clipboard_.reset();
 }
 
 InputInjectorMac::Core::~Core() {}
 
 }  // 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 InputInjectorMac(main_task_runner));
 }
 
+// static
+bool InputInjector::DefaultCanInjectTouch() {
+  return false;
+}
+
 }  // namespace remoting