[CRD iOS] Inject mouse events to the host

remoting/client/desktop_viewport.cc

 // Copyright 2017 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/client/desktop_viewport.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 
@@ skipping 36 matching lines @@
 void DesktopViewport::MoveDesktop(float dx, float dy) {
   desktop_to_surface_transform_.PostTranslate({dx, dy});
   UpdateViewport();
 }
 
 void DesktopViewport::ScaleDesktop(float px, float py, float scale) {
   desktop_to_surface_transform_.PostScale({px, py}, scale);
   UpdateViewport();
 }
 
+void DesktopViewport::MoveViewportCenter(float dx, float dy) {
+  MoveViewportCenterWithoutUpdate(dx, dy);
+  UpdateViewport();
+}
+
 void DesktopViewport::SetViewportCenter(float x, float y) {
   ViewMatrix::Point old_center = GetViewportCenter();
-  MoveViewportCenterWithoutUpdate(x - old_center.x, y - old_center.y);
-  UpdateViewport();
+  MoveViewportCenter(x - old_center.x, y - old_center.y);
 }
 
 void DesktopViewport::RegisterOnTransformationChangedCallback(
     const TransformationCallback& callback,
     bool run_immediately) {
   on_transformation_changed_ = callback;
   if (IsViewportReady() && run_immediately) {
     callback.Run(desktop_to_surface_transform_);
   }
 }
 
+const ViewMatrix& DesktopViewport::GetTransformation() const {
+  return desktop_to_surface_transform_;
+}
+
 void DesktopViewport::ResizeToFit() {
   DCHECK(IsViewportReady());
 
   // <---Desktop Width---->
   // +==========+---------+
   // |          |         |
   // | Viewport | Desktop |
   // |          |         |
   // +==========+---------+
   //
@@ skipping 147 matching lines @@
 
   if (new_point.y < bounds.top) {
     new_point.y = bounds.top;
   } else if (new_point.y > bounds.bottom) {
     new_point.y = bounds.bottom;
   }
   return new_point;
 }
 
 }  // namespace remoting