| // Copyright 2018 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 SERVICES_WS_WINDOW_OCCLUSION_CHANGE_BUILDER_H_ |
| #define SERVICES_WS_WINDOW_OCCLUSION_CHANGE_BUILDER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "ui/aura/window_occlusion_change_builder.h" |
| #include "ui/aura/window_tracker.h" |
| |
| namespace ws { |
| |
| // Group and send occlusion change to corresponding WindowTree in batches. |
| class WindowOcclusionChangeBuilder : public aura::WindowOcclusionChangeBuilder { |
| public: |
| WindowOcclusionChangeBuilder(); |
| ~WindowOcclusionChangeBuilder() override; |
| |
| private: |
| // WindowOcclusionChangeBuilder: |
| void Add(aura::Window* window, |
| aura::Window::OcclusionState occlusion_state, |
| SkRegion occluded_region) override; |
| |
| // Inner builder to apply the changes to windows at Window Service side. |
| std::unique_ptr<aura::WindowOcclusionChangeBuilder> inner_; |
| |
| // Tracks live windows that has a change. |
| aura::WindowTracker windows_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WindowOcclusionChangeBuilder); |
| }; |
| |
| } // namespace ws |
| |
| #endif // SERVICES_WS_WINDOW_OCCLUSION_CHANGE_BUILDER_H_ |