Touch Events capability negotiation

remoting/host/basic_desktop_environment.cc

Index: remoting/host/basic_desktop_environment.cc
diff --git a/remoting/host/basic_desktop_environment.cc b/remoting/host/basic_desktop_environment.cc
index e7132f655782431684c9dd69086d5ef2ccd6a42a..5124d3af4b10b3eedae8a8db6394b630198423f2 100644
--- a/remoting/host/basic_desktop_environment.cc
+++ b/remoting/host/basic_desktop_environment.cc
@@ -22,6 +22,10 @@
 
 namespace remoting {
 
+namespace {
+const char kMultiTouchCapability[] = "multiTouch";
+}  // namespace
+
 BasicDesktopEnvironment::~BasicDesktopEnvironment() {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 }
@@ -55,6 +59,9 @@ BasicDesktopEnvironment::CreateMouseCursorMonitor() {
 }
 
 std::string BasicDesktopEnvironment::GetCapabilities() const {
+  if (multi_touch_enabled_)
+    return kMultiTouchCapability;
+
   return std::string();
 }
 
@@ -66,6 +73,10 @@ scoped_ptr<GnubbyAuthHandler> BasicDesktopEnvironment::CreateGnubbyAuthHandler(
   return nullptr;
 }
 
+void BasicDesktopEnvironment::SetEnableMultiTouch(bool enable) {
+  multi_touch_enabled_ = enable;
+}
+
 scoped_ptr<webrtc::DesktopCapturer>
 BasicDesktopEnvironment::CreateVideoCapturer() {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
@@ -89,7 +100,8 @@ BasicDesktopEnvironment::BasicDesktopEnvironment(
       ui_task_runner_(ui_task_runner),
       desktop_capture_options_(
           new webrtc::DesktopCaptureOptions(
-              webrtc::DesktopCaptureOptions::CreateDefault())) {
+              webrtc::DesktopCaptureOptions::CreateDefault())),
+      multi_touch_enabled_(false) {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 }
 
@@ -99,7 +111,8 @@ BasicDesktopEnvironmentFactory::BasicDesktopEnvironmentFactory(
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner)
     : caller_task_runner_(caller_task_runner),
       input_task_runner_(input_task_runner),
-      ui_task_runner_(ui_task_runner) {
+      ui_task_runner_(ui_task_runner),
+      multi_touch_enabled_(false) {
 }
 
 BasicDesktopEnvironmentFactory::~BasicDesktopEnvironmentFactory() {
@@ -111,4 +124,8 @@ bool BasicDesktopEnvironmentFactory::SupportsAudioCapture() const {
   return AudioCapturer::IsSupported();
 }
 
+void BasicDesktopEnvironmentFactory::SetEnableMultiTouch(bool enable) {
+  multi_touch_enabled_ = enable;
+}
+
 }  // namespace remoting