Reland: Implement Aura side of unified touch text selection for contents

content/browser/web_contents/touch_selection_controller_aura_client_impl.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 CONTENT_BROWSER_WEB_CONTENTS_TOUCH_SELECTION_CONTROLLER_AURA_CLIENT_IMPL_H_
+#define CONTENT_BROWSER_WEB_CONTENTS_TOUCH_SELECTION_CONTROLLER_AURA_CLIENT_IMPL_H_
+
+#include "content/common/content_export.h"
+#include "ui/touch_selection/touch_selection_controller_aura.h"
+
+namespace gfx {
+class PointF;
+class Rect;
+}
+
+namespace content {
+class RenderWidgetHostViewAura;
+
+// Aura specific implementation of ui::TouchSelectionControllerAuraClient for a
+// RenderWidgetHostView.
+class CONTENT_EXPORT TouchSelectionControllerAuraClientImpl
+    : public ui::TouchSelectionControllerAuraClient {
+ public:
+  explicit TouchSelectionControllerAuraClientImpl(
+      RenderWidgetHostViewAura* rwhva);
+  ~TouchSelectionControllerAuraClientImpl() override;
+
+ private:
+  // ui::TouchSelectionControllerAuraClient:
+  void MoveCaret(const gfx::PointF& position) override;
+  void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
+  void SelectBetweenCoordinates(const gfx::PointF& base,
+                                const gfx::PointF& extent) override;
+  aura::Window* GetParentWindow() const override;
+  gfx::Rect GetClientBounds() const override;
+  bool IsCommandIdEnabled(int command_id) const override;
+  void ExecuteCommand(int command_id, int event_flags) override;
+  void OpenContextMenu(const gfx::PointF& point) override;
+
+  // Not owned, non-null for the lifetime of this object.
+  RenderWidgetHostViewAura* rwhva_;
+
+  DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerAuraClientImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_SELECTION_CONTROLLER_AURA_CLIENT_IMPL_H_