Add suport for changing cursors

win8/metro_driver/chrome_app_view_ash.cc

Index: win8/metro_driver/chrome_app_view_ash.cc
===================================================================
--- win8/metro_driver/chrome_app_view_ash.cc	(revision 171601)
+++ win8/metro_driver/chrome_app_view_ash.cc	(working copy)
@@ -66,8 +66,16 @@
 
 class ChromeChannelListener : public IPC::Listener {
  public:
+  ChromeChannelListener(MessageLoop* ui_loop, ChromeAppViewAsh* app_view)
+      : ui_proxy_(ui_loop->message_loop_proxy()),
+        app_view_(app_view) {
+  }
+
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
-    DVLOG(1) << "Received ipc message " << message.type();
+    IPC_BEGIN_MESSAGE_MAP(ChromeChannelListener, message)
+      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursor, OnSetCursor)
+      IPC_MESSAGE_UNHANDLED(__debugbreak())
+    IPC_END_MESSAGE_MAP()
     return true;
   }
 
@@ -75,6 +83,17 @@
     DVLOG(1) << "Channel error";
     MetroExit();
   }
+
+ private:
+   void OnSetCursor(int64 cursor) {
+     ui_proxy_->PostTask(FROM_HERE,
+                         base::Bind(&ChromeAppViewAsh::OnSetCursor,
+                                    base::Unretained(app_view_),
+                                    reinterpret_cast<HCURSOR>(cursor)));
+   }
+
+   scoped_refptr<base::MessageLoopProxy> ui_proxy_;
+   ChromeAppViewAsh* app_view_;
 };
 
 bool WaitForChromeIPCConnection(const std::string& channel_name) {
@@ -315,7 +334,7 @@
 
   // In Aura mode we create an IPC channel to the browser, then ask it to
   // connect to us.
-  ChromeChannelListener ui_channel_listener;
+  ChromeChannelListener ui_channel_listener(&msg_loop, this);
   IPC::ChannelProxy ui_channel(ipc_channel_name,
                                IPC::Channel::MODE_NAMED_CLIENT,
                                &ui_channel_listener,
@@ -342,6 +361,10 @@
   return S_OK;
 }
 
+void ChromeAppViewAsh::OnSetCursor(HCURSOR cursor) {
+  ::SetCursor(HCURSOR(cursor));

[ananta, 2012/12/11 00:17:30]

replace with cursor

+}
+
 HRESULT ChromeAppViewAsh::OnActivate(
     winapp::Core::ICoreApplicationView*,
     winapp::Activation::IActivatedEventArgs* args) {