Touch Events capability negotiation

remoting/host/input_injector_x11.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 <X11/extensions/XInput.h>
 #include <X11/extensions/XTest.h>
 #include <X11/Xlib.h>
 #include <X11/XKBlib.h>
@@ skipping 93 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 InputInjectorX11::Core class.
   class Core : public base::RefCountedThreadSafe<Core> {
    public:
     explicit Core(scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
     bool Init();
 
     // Mirrors the ClipboardStub interface.
@@ skipping 99 matching lines @@
 
 void InputInjectorX11::InjectTouchEvent(const TouchEvent& event) {
   NOTIMPLEMENTED() << "Raw touch event injection not implemented for X11.";
 }
 
 void InputInjectorX11::Start(
     scoped_ptr<protocol::ClipboardStub> client_clipboard) {
   core_->Start(client_clipboard.Pass());
 }
 
+bool InputInjectorX11::CanInjectTouch() {
+  return false;
+}
+
 InputInjectorX11::Core::Core(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner)
     : task_runner_(task_runner),
       latest_mouse_position_(-1, -1),
       wheel_ticks_x_(0.0f),
       wheel_ticks_y_(0.0f),
       display_(XOpenDisplay(nullptr)),
       root_window_(BadValue),
       saved_auto_repeat_enabled_(false) {
 }
@@ skipping 379 matching lines @@
   if (!task_runner_->BelongsToCurrentThread()) {
     task_runner_->PostTask(FROM_HERE, base::Bind(&Core::Stop, this));
     return;
   }
 
   clipboard_.reset();
 }
 
 }  // namespace
 
+// static
 scoped_ptr<InputInjector> InputInjector::Create(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   scoped_ptr<InputInjectorX11> injector(
       new InputInjectorX11(main_task_runner));
   if (!injector->Init())
     return nullptr;
   return injector.Pass();
 }
 
+// static
+bool InputInjector::DefaultCanInjectTouch() {
+  return false;
+}
+
 }  // namespace remoting