| // Copyright 2016 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 REMOTING_CLIENT_DISPLAY_GL_CURSOR_H_ |
| #define REMOTING_CLIENT_DISPLAY_GL_CURSOR_H_ |
| |
| #include <array> |
| #include <cstdint> |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread_checker.h" |
| #include "remoting/client/display/drawable.h" |
| |
| namespace remoting { |
| |
| namespace protocol { |
| class CursorShapeInfo; |
| } // namespace protocol |
| |
| class Canvas; |
| class GlRenderLayer; |
| |
| // This class draws the cursor on the canvas. |
| class GlCursor : public Drawable { |
| public: |
| GlCursor(); |
| ~GlCursor() override; |
| |
| void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape); |
| |
| // Sets the cursor hotspot positions. Does nothing if the cursor shape or the |
| // canvas size has not been set. |
| void SetCursorPosition(float x, float y); |
| |
| // Draw() will do nothing if cursor is not visible. |
| void SetCursorVisible(bool visible); |
| |
| // Drawable implementation. |
| void SetCanvas(base::WeakPtr<Canvas> canvas) override; |
| bool Draw() override; |
| int GetZIndex() override; |
| base::WeakPtr<Drawable> GetWeakPtr() override; |
| |
| private: |
| void SetCurrentCursorShape(bool size_changed); |
| |
| bool visible_ = true; |
| |
| std::unique_ptr<GlRenderLayer> layer_; |
| |
| std::unique_ptr<uint8_t[]> current_cursor_data_; |
| int current_cursor_data_size_ = 0; |
| int current_cursor_width_ = 0; |
| int current_cursor_height_ = 0; |
| int current_cursor_hotspot_x_ = 0; |
| int current_cursor_hotspot_y_ = 0; |
| |
| float cursor_x_ = 0; |
| float cursor_y_ = 0; |
| |
| base::ThreadChecker thread_checker_; |
| base::WeakPtrFactory<Drawable> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GlCursor); |
| }; |
| |
| } // namespace remoting |
| #endif // REMOTING_CLIENT_DISPLAY_GL_CURSOR_H_ |