Touch Events capability negotiation

remoting/host/me2me_desktop_environment.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/me2me_desktop_environment.h"
 
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "remoting/base/logging.h"
 #include "remoting/host/client_session_control.h"
 #include "remoting/host/curtain_mode.h"
 #include "remoting/host/desktop_resizer.h"
 #include "remoting/host/gnubby_auth_handler.h"
 #include "remoting/host/host_window.h"
 #include "remoting/host/host_window.h"
 #include "remoting/host/host_window_proxy.h"
 #include "remoting/host/local_input_monitor.h"
+#include "remoting/host/multi_touch_capability.h"
 #include "remoting/host/resizing_host_observer.h"
 #include "remoting/host/screen_controls.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capture_options.h"
 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h"
 
 #if defined(OS_POSIX)
 #include <sys/types.h>
 #include <unistd.h>
 #endif  // defined(OS_POSIX)
 
 const char kRateLimitResizeRequests[] = "rateLimitResizeRequests";
 
 namespace remoting {
 
 Me2MeDesktopEnvironment::~Me2MeDesktopEnvironment() {
   DCHECK(caller_task_runner()->BelongsToCurrentThread());
 }
 
 scoped_ptr<ScreenControls> Me2MeDesktopEnvironment::CreateScreenControls() {
   DCHECK(caller_task_runner()->BelongsToCurrentThread());
 
   return make_scoped_ptr(new ResizingHostObserver(DesktopResizer::Create()));
 }
 
 std::string Me2MeDesktopEnvironment::GetCapabilities() const {
-  return kRateLimitResizeRequests;
+  std::string result = kRateLimitResizeRequests;
+
+  if (multi_touch_enabled())
+    result = result + " "  + kMultiTouchCapability;
+
+  return result;
 }
 
 Me2MeDesktopEnvironment::Me2MeDesktopEnvironment(
     scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner)
     : BasicDesktopEnvironment(caller_task_runner,
                               input_task_runner,
                               ui_task_runner),
       gnubby_auth_enabled_(false) {
@@ skipping 88 matching lines @@
 
   scoped_ptr<Me2MeDesktopEnvironment> desktop_environment(
       new Me2MeDesktopEnvironment(caller_task_runner(),
                                   input_task_runner(),
                                   ui_task_runner()));
   if (!desktop_environment->InitializeSecurity(client_session_control,
                                                curtain_enabled_)) {
     return nullptr;
   }
   desktop_environment->SetEnableGnubbyAuth(gnubby_auth_enabled_);
+  desktop_environment->SetEnableMultiTouch(multi_touch_enabled());
 
   return desktop_environment.Pass();
 }
 
 void Me2MeDesktopEnvironmentFactory::SetEnableCurtaining(bool enable) {
   DCHECK(caller_task_runner()->BelongsToCurrentThread());
 
   curtain_enabled_ = enable;
 }
 
 void Me2MeDesktopEnvironmentFactory::SetEnableGnubbyAuth(
     bool gnubby_auth_enabled) {
   gnubby_auth_enabled_ = gnubby_auth_enabled;
 }
 
 }  // namespace remoting