wip: Aura-specific implementation of unified touch selection: touch_selection

ui/touch_selection/touch_selection_controller_android.h

+// Copyright 2015 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_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_ANDROID_H_
+#define UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_ANDROID_H_
+
+#include "ui/gfx/geometry/point_f.h"
+#include "ui/touch_selection/selection_event_type.h"
+#include "ui/touch_selection/touch_selection_controller.h"
+
+namespace ui {
+
+// Interface through which |TouchSelectionControllerAndroid| issues
+// selection-related commands, notifications and requests.
+class UI_TOUCH_SELECTION_EXPORT TouchSelectionControllerAndroidClient
+    : public TouchSelectionControllerClient {
+ public:
+  ~TouchSelectionControllerAndroidClient() override {}
+
+  virtual bool SupportsAnimation() const = 0;
+  virtual void SetNeedsAnimate() = 0;
+  virtual void OnSelectionEvent(SelectionEventType event,
+                                const gfx::PointF& position) = 0;
+  virtual scoped_ptr<TouchHandleDrawable> CreateDrawable() = 0;
+};
+
+// Android implementation of |TouchSelectionController|.
+class UI_TOUCH_SELECTION_EXPORT TouchSelectionControllerAndroid
+    : public TouchSelectionController {
+ public:
+  TouchSelectionControllerAndroid(TouchSelectionControllerAndroidClient* client,
+                                  base::TimeDelta tap_timeout,
+                                  float tap_slop);
+  ~TouchSelectionControllerAndroid() override;
+
+ private:
+  // TouchSelectionController:
+  void OnSelectionEvent(SelectionEventType event,
+                        const gfx::PointF& position) override;
+  bool SupportsAnimation() const override;
+  void SetNeedsAnimate() override;
+  scoped_ptr<TouchHandleDrawable> CreateDrawable() override;
+
+  TouchSelectionControllerAndroidClient* const client_;
+
+  DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerAndroid);
+};
+
+}  // namespace ui
+
+#endif  // UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_ANDROID_H_