Add edge gesture so you can easily go from fullscreen and back. Currently you can go into fullscreen via he wrench menu but cannot go out of fullscreen because the edge allowance is not enough.

This btw the same behavior we have since m26 for metro.

BUG=174738

Review URL: https://codereview.chromium.org/73063002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235844 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 31 insertions, 0 deletions

diff --git a/win8/metro_driver/chrome_app_view_ash.cc b/win8/metro_driver/chrome_app_view_ash.cc
index 654e82d..3eae110 100644
--- a/win8/metro_driver/chrome_app_view_ash.cc
+++ b/win8/metro_driver/chrome_app_view_ash.cc
@@ -56,6 +56,10 @@ typedef winfoundtn::ITypedEventHandler<
     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 @@ ChromeAppViewAsh::SetWindow(winui::Core::ICoreWindow* window) {
       &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 @@ HRESULT ChromeAppViewAsh::HandleProtocolRequest(
   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));