content/browser/android/popup_touch_handle_drawable.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_ANDROID_POPUP_TOUCH_HANDLE_DRAWABLE_H_
#define CONTENT_BROWSER_ANDROID_POPUP_TOUCH_HANDLE_DRAWABLE_H_

#include "ui/touch_selection/touch_handle.h"

#include "base/android/jni_android.h"
#include "base/android/jni_weak_ref.h"
#include "base/macros.h"

namespace content {

class ContentViewCore;

// Touch handle drawable backed by an Android PopupWindow.
class PopupTouchHandleDrawable : public ui::TouchHandleDrawable {
 public:
  static scoped_ptr<PopupTouchHandleDrawable> Create(
      ContentViewCore* content_view_core);
  ~PopupTouchHandleDrawable() override;

  // ui::TouchHandleDrawable implementation.
  void SetEnabled(bool enabled) override;
  void SetOrientation(ui::TouchHandleOrientation orientation,
                      bool mirror_vertical,
                      bool mirror_horizontal) override;
  void SetOrigin(const gfx::PointF& origin) override;
  void SetAlpha(float alpha) override;
  gfx::RectF GetVisibleBounds() const override;
  float GetDrawableHorizontalPaddingRatio() const override;

  static bool RegisterPopupTouchHandleDrawable(JNIEnv* env);

 private:
  PopupTouchHandleDrawable(JNIEnv* env, jobject obj, float dpi_scale);

  JavaObjectWeakGlobalRef java_ref_;

  const float dpi_scale_;
  float drawable_horizontal_padding_ratio_;

  DISALLOW_COPY_AND_ASSIGN(PopupTouchHandleDrawable);
};

}  // namespace content

#endif  // CONTENT_BROWSER_ANDROID_POPUP_TOUCH_HANDLE_DRAWABLE_H_