Reland: Move TouchSelectionController from content to ui

ui/touch_selection/touch_handle.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 CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_HANDLE_H_
-#define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_HANDLE_H_
+#ifndef UI_TOUCH_SELECTION_TOUCH_HANDLE_H_
+#define UI_TOUCH_SELECTION_TOUCH_HANDLE_H_
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "content/common/content_export.h"
 #include "ui/events/gesture_detection/motion_event.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/vector2d_f.h"
+#include "ui/touch_selection/ui_touch_selection_export.h"
 
-namespace content {
+namespace ui {
 
 class TouchHandle;
 
 enum TouchHandleOrientation {
   TOUCH_HANDLE_LEFT,
   TOUCH_HANDLE_CENTER,
   TOUCH_HANDLE_RIGHT,
   TOUCH_HANDLE_ORIENTATION_UNDEFINED,
 };
 
 // Interface through which |TouchHandle| delegates rendering-specific duties.
-class CONTENT_EXPORT TouchHandleDrawable {
+class UI_TOUCH_SELECTION_EXPORT TouchHandleDrawable {
  public:
   virtual ~TouchHandleDrawable() {}
   virtual void SetEnabled(bool enabled) = 0;
   virtual void SetOrientation(TouchHandleOrientation orientation) = 0;
   virtual void SetAlpha(float alpha) = 0;
   virtual void SetFocus(const gfx::PointF& position) = 0;
   virtual bool IntersectsWith(const gfx::RectF& rect) const = 0;
 };
 
 // Interface through which |TouchHandle| communicates handle manipulation and
 // requests concrete drawable instances.
-class CONTENT_EXPORT TouchHandleClient {
+class UI_TOUCH_SELECTION_EXPORT TouchHandleClient {
  public:
   virtual ~TouchHandleClient() {}
   virtual void OnHandleDragBegin(const TouchHandle& handle) = 0;
   virtual void OnHandleDragUpdate(const TouchHandle& handle,
                                   const gfx::PointF& new_position) = 0;
   virtual void OnHandleDragEnd(const TouchHandle& handle) = 0;
   virtual void OnHandleTapped(const TouchHandle& handle) = 0;
   virtual void SetNeedsAnimate() = 0;
   virtual scoped_ptr<TouchHandleDrawable> CreateDrawable() = 0;
   virtual base::TimeDelta GetTapTimeout() const = 0;
   virtual float GetTapSlop() const = 0;
 };
 
 // Responsible for displaying a selection or insertion handle for text
 // interaction.
-class CONTENT_EXPORT TouchHandle {
+class UI_TOUCH_SELECTION_EXPORT TouchHandle {
  public:
   // The drawable will be enabled but invisible until otherwise specified.
   TouchHandle(TouchHandleClient* client, TouchHandleOrientation orientation);
   ~TouchHandle();
 
   // Sets whether the handle is active, allowing resource cleanup if necessary.
   // If false, active animations or touch drag sequences will be cancelled.
   // While disabled, manipulation is *explicitly not supported*, and may lead to
   // undesirable and/or unstable side-effects. The handle can be safely
   // re-enabled to allow continued operation.
   void SetEnabled(bool enabled);
 
   enum AnimationStyle { ANIMATION_NONE, ANIMATION_SMOOTH };
   // Update the handle visibility, fading in/out according to |animation_style|.
   // If an animation is in-progress, it will be overriden appropriately.
   void SetVisible(bool visible, AnimationStyle animation_style);
 
   // Update the handle placement to |position|.
   // Note: If a fade out animation is active or the handle is invisible, the
   // handle position will not be updated until the handle regains visibility.
   void SetPosition(const gfx::PointF& position);
 
   // Update the handle visuals to |orientation|.
   // Note: If the handle is being dragged, the orientation change will be
   // deferred until the drag has ceased.
   void SetOrientation(TouchHandleOrientation orientation);
 
   // Allows touch-dragging of the handle. Returns true if the event was
   // consumed, in which case the caller should cease further handling.
-  bool WillHandleTouchEvent(const ui::MotionEvent& event);
+  bool WillHandleTouchEvent(const MotionEvent& event);
 
   // Ticks an active animation, as requested to the client by |SetNeedsAnimate|.
   // Returns true if an animation is active and requires further ticking.
   bool Animate(base::TimeTicks frame_time);
 
   bool is_dragging() const { return is_dragging_; }
   const gfx::PointF& position() const { return position_; }
   TouchHandleOrientation orientation() const { return orientation_; }
 
  private:
@@ skipping 24 matching lines @@
   bool animate_deferred_fade_;
 
   bool enabled_;
   bool is_visible_;
   bool is_dragging_;
   bool is_drag_within_tap_region_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchHandle);
 };
 
-}  // namespace content
+}  // namespace ui
 
-#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_HANDLE_H_
+#endif  // UI_TOUCH_SELECTION_TOUCH_HANDLE_H_