Adds swipe edge gesture to metro Ash

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 235015)
+++ win8/metro_driver/chrome_app_view_ash.cc	(working copy)
@@ -56,6 +56,10 @@
     winui::Core::CoreWindow*,
     winui::Core::WindowSizeChangedEventArgs*> SizeChangedHandler;
 
+typedef winfoundtn::ITypedEventHandler<
+    winui::Input::EdgeGesture*,
+    winui::Input::EdgeGestureEventArgs*> EdgeEventHandler;
+
 // This function is exported by chrome.exe.
 typedef int (__cdecl *BreakpadExceptionHandler)(EXCEPTION_POINTERS* info);
 
@@ -530,6 +534,22 @@
       &window_activated_token_);
   CheckHR(hr);
 
+  // Register for edge gesture notifications.
+  mswr::ComPtr<winui::Input::IEdgeGestureStatics> edge_gesture_statics;
+  hr = winrt_utils::CreateActivationFactory(
+      RuntimeClass_Windows_UI_Input_EdgeGesture,
+      edge_gesture_statics.GetAddressOf());
+  CheckHR(hr);
+
+  mswr::ComPtr<winui::Input::IEdgeGesture> edge_gesture;
+  hr = edge_gesture_statics->GetForCurrentView(&edge_gesture);
+  CheckHR(hr);
+
+  hr = edge_gesture->add_Completed(mswr::Callback<EdgeEventHandler>(
+      this, &ChromeAppViewAsh::OnEdgeGestureCompleted).Get(),
+      &edgeevent_token_);
+  CheckHR(hr);
+
   // By initializing the direct 3D swap chain with the corewindow
   // we can now directly blit to it from the browser process.
   direct3d_helper_.Initialize(window);
@@ -1066,6 +1086,17 @@
   return S_OK;
 }
 
+HRESULT ChromeAppViewAsh::OnEdgeGestureCompleted(
+    winui::Input::IEdgeGesture* gesture,
+    winui::Input::IEdgeGestureEventArgs* args) {
+  // Swipe from edge gesture (and win+z) is equivalent to pressing F11.
+  // TODO(cpu): Make this cleaner for m33.
+  ui_channel_->Send(new MetroViewerHostMsg_KeyDown(VK_F11, 1, 0, 0));
+  ::Sleep(15);
+  ui_channel_->Send(new MetroViewerHostMsg_KeyUp(VK_F11, 1, 0, 0));
+  return S_OK;
+}
+
 void ChromeAppViewAsh::OnSearchRequest(const string16& search_string) {
   DCHECK(ui_channel_);
   ui_channel_->Send(new MetroViewerHostMsg_SearchRequest(search_string));