Controller support for VrShell

chrome/browser/android/vr_shell/vr_input_manager.h

+// Copyright 2016 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.
+
+#ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_INPUT_MANAGER_H_
+#define CHROME_BROWSER_ANDROID_VR_SHELL_VR_INPUT_MANAGER_H_
+
+#include "content/public/browser/android/content_view_core.h"
+#include "content/public/browser/render_widget_host.h"
+#include "content/public/browser/render_widget_host_view.h"
+#include "content/public/browser/web_contents.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+
+namespace vr_shell {
+
+class RenderFrameHost;
+
+class VrInputManager {
+ public:
+  explicit VrInputManager(content::ContentViewCore* content_view_core);
+
+  ~VrInputManager();
+
+  void SendScrollEvent(long time_ms,
+                       float x,
+                       float y,
+                       float dx,
+                       float dy,
+                       int type);
+  void SendClickEvent(long time_ms, float x, float y);
+  void SendMouseMoveEvent(long time_ms, float x, float y, int type);
+
+  void ScrollBegin(long time_ms,
+                   float x,
+                   float y,
+                   float hintx,
+                   float hinty,
+                   bool target_viewport);
+  void ScrollEnd(long time_ms);
+  void ScrollBy(long time_ms, float x, float y, float dx, float dy);
+  void PinchBegin(long time_ms, float x, float y);
+  void PinchEnd(long time_ms);
+  void PinchBy(long time_ms, float x, float y, float delta);
+  void SendPinchEvent(long time_ms, float x, float y, float dz, int type);
+
+ private:
+  void SendGestureEvent(const blink::WebGestureEvent& event);
+  void SendMouseEvent(const blink::WebMouseEvent& event);
+  blink::WebGestureEvent MakeGestureEvent(blink::WebInputEvent::Type type,
+                                          int64_t time_ms,
+                                          float x,
+                                          float y) const;
+
+  float dpi_scale() const { return dpi_scale_; }

[bshe, 2016/09/22 23:16:49]

nit: no need for private accessor. you can directly use dpi_scale_

[asimjour, 2016/09/23 16:58:22]

Done.

+
+  // Device scale factor.
+  float dpi_scale_;
+
+  content::ContentViewCore* content_view_core_;
+  DISALLOW_COPY_AND_ASSIGN(VrInputManager);
+};
+
+}  // namespace vr_shell
+
+#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_INPUT_MANAGER_H_