Displays the calibration complete message to touch calibration and gracefully quits

ui/display/manager/chromeos/touch_transform_controller.h

 // Copyright 2014 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 UI_DISPLAY_MANAGER_CHROMEOS_TOUCH_TRANSFORM_CONTROLLER_H_
 #define UI_DISPLAY_MANAGER_CHROMEOS_TOUCH_TRANSFORM_CONTROLLER_H_
 
 #include "base/macros.h"
 #include "ui/display/manager/display_manager_export.h"
 #include "ui/gfx/geometry/size.h"
@@ skipping 20 matching lines @@
 class DISPLAY_MANAGER_EXPORT TouchTransformController {
  public:
   TouchTransformController(DisplayConfigurator* display_configurator,
                            DisplayManager* display_manager);
   ~TouchTransformController();
 
   // Updates the transform for touch input-devices and pushes the new transforms
   // into device manager.
   void UpdateTouchTransforms() const;
 
+  // During touch calibration we remove the previous transform and update touch
+  // transformer until calibration is complete.
+  void SetForCalibration(bool is_calibrating);
+
  private:
   friend class test::TouchTransformControllerTest;
 
   // Returns a transform that will be used to change an event's location from
   // the touchscreen's coordinate system into |display|'s coordinate system.
   // The transform is also responsible for properly scaling the display if the
   // display supports panel fitting.
   //
   // On X11 events are reported in framebuffer coordinate space, so the
   // |framebuffer_size| is used for scaling.
@@ skipping 24 matching lines @@
   // transformed.
   void UpdateTouchTransform(int64_t target_display_id,
                             const ManagedDisplayInfo& touch_display,
                             const ManagedDisplayInfo& target_display) const;
 
   // Both |display_configurator_| and |display_manager_| are not owned and must
   // outlive TouchTransformController.
   DisplayConfigurator* display_configurator_;
   DisplayManager* display_manager_;
 
+  bool is_calibrating_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(TouchTransformController);
 };
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_CHROMEOS_TOUCH_TRANSFORM_CONTROLLER_H_