Delete athena/

athena/home/home_card_gesture_manager.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 ATHENA_HOME_HOME_CARD_GESTURE_MANAGER_H_
-#define ATHENA_HOME_HOME_CARD_GESTURE_MANAGER_H_
-
-#include "athena/home/public/home_card.h"
-#include "athena/athena_export.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace ui {
-class GestureEvent;
-}
-
-namespace athena {
-
-// Handles the touch gestures over the home card.
-class ATHENA_EXPORT HomeCardGestureManager {
- public:
-  class Delegate {
-   public:
-    // Called when the gesture has ended. The state of the home card will
-    // end up with |final_state|. |is_fling| is true only when the gesture has
-    // ended with a fling action.
-    virtual void OnGestureEnded(HomeCard::State final_state,
-                                bool is_fling) = 0;
-
-    // Called when the gesture position is updated so that |delegate| updates
-    // the visual. The arguments indicate that the gesture is switching between
-    // |from_state| and |to_state|, and that the level of progress is at
-    // |progress|, which is in the range (0, 1]. The home card was previously
-    // at either |from_state| or |to_state|. In particular, the home card may
-    // never have been at |from_state|. |from_state| is never equal to
-    // |to_state|.
-    virtual void OnGestureProgressed(
-        HomeCard::State from_state,
-        HomeCard::State to_state,
-        float progress) = 0;
-  };
-
-  HomeCardGestureManager(Delegate* delegate,
-                         const gfx::Rect& screen_bounds);
-  ~HomeCardGestureManager();
-
-  void ProcessGestureEvent(ui::GestureEvent* event);
-
- private:
-  // Get the final state from the last position.
-  HomeCard::State GetFinalState() const;
-
-  // Update the current position and emits OnGestureProgressed().
-  void UpdateScrollState(const ui::GestureEvent& event);
-
-  Delegate* delegate_;  // Not owned.
-
-  // The state when the gesture starts.
-  HomeCard::State original_state_;
-
-  // The offset from the top edge of the home card and the initial position of
-  // gesture.
-  int y_offset_;
-
-  // The estimated height of the home card after the last touch event.
-  int last_estimated_height_;
-
-  // The bounds of the screen to compute the home card bounds.
-  gfx::Rect screen_bounds_;
-
-  DISALLOW_COPY_AND_ASSIGN(HomeCardGestureManager);
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_HOME_HOME_CARD_GESTURE_MANAGER_H_