| // 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_COMPOSITED_TOUCH_HANDLE_DRAWABLE_H_ |
| #define CONTENT_BROWSER_ANDROID_COMPOSITED_TOUCH_HANDLE_DRAWABLE_H_ |
| |
| #include "ui/touch_selection/touch_handle.h" |
| |
| #include "base/android/jni_android.h" |
| #include "cc/layers/ui_resource_layer.h" |
| |
| namespace content { |
| |
| // Touch handle drawable implementation backed by a cc layer. |
| class CompositedTouchHandleDrawable : public ui::TouchHandleDrawable { |
| public: |
| CompositedTouchHandleDrawable(cc::Layer* root_layer, |
| float dpi_scale, |
| jobject context); |
| ~CompositedTouchHandleDrawable() override; |
| |
| // ui::TouchHandleDrawable implementation. |
| void SetEnabled(bool enabled) override; |
| void SetOrientation(ui::TouchHandleOrientation orientation) override; |
| void SetAlpha(float alpha) override; |
| void SetFocus(const gfx::PointF& position) override; |
| gfx::RectF GetVisibleBounds() const override; |
| |
| static bool RegisterHandleViewResources(JNIEnv* env); |
| |
| private: |
| void DetachLayer(); |
| void UpdateLayerPosition(); |
| |
| const float dpi_scale_; |
| ui::TouchHandleOrientation orientation_; |
| gfx::PointF focal_position_; |
| gfx::Vector2dF focal_offset_from_origin_; |
| scoped_refptr<cc::UIResourceLayer> layer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CompositedTouchHandleDrawable); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_ANDROID_COMPOSITED_TOUCH_HANDLE_DRAWABLE_H_ |