[CRD iOS] Inject mouse events to the host

remoting/client/direct_input_strategy.h

+// 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.
+
+#ifndef REMOTING_CLIENT_SIMULATED_TOUCH_INPUT_STRATEGY_H_
+#define REMOTING_CLIENT_SIMULATED_TOUCH_INPUT_STRATEGY_H_
+
+#include "remoting/client/input_strategy.h"
+
+namespace remoting {
+
+// This strategy directly translates all operations on the OpenGL view into
+// corresponding operations on the desktop. It doesn't maintain the cursor
+// positions separately -- the positions come from the location of the touch.
+class DirectInputStrategy : public InputStrategy {
+ public:
+  DirectInputStrategy();
+  ~DirectInputStrategy() override;
+
+  // InputStrategy overrides.
+
+  void HandlePinch(float pivot_x,
+                   float pivot_y,
+                   float scale,
+                   DesktopViewport* viewport) override;
+
+  void HandlePan(float translation_x,
+                 float translation_y,
+                 bool is_dragging_mode,
+                 DesktopViewport* viewport) override;
+
+  void FindCursorPositions(float touch_x,
+                           float touch_y,
+                           const DesktopViewport& viewport,
+                           float* cursor_x,
+                           float* cursor_y) override;
+
+  bool IsCursorVisible() const override;
+
+ private:
+  // TouchInputStrategy is neither copyable nor movable.
+  DirectInputStrategy(const DirectInputStrategy&) = delete;
+  DirectInputStrategy& operator=(const DirectInputStrategy&) = delete;
+};
+
+}  // namespace remoting
+#endif  // REMOTING_CLIENT_SIMULATED_TOUCH_INPUT_STRATEGY_H_