| // 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 ASH_WM_OVERLAY_LAYOUT_MANAGER_H_ |
| #define ASH_WM_OVERLAY_LAYOUT_MANAGER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/wm/wm_snap_to_pixel_layout_manager.h" |
| #include "base/macros.h" |
| #include "ui/display/display_observer.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ash { |
| |
| // Updates the bounds of widgets in the overlay container whenever the display |
| // bounds change. Keeps children snapped to pixel bounds. |
| class ASH_EXPORT OverlayLayoutManager : public wm::WmSnapToPixelLayoutManager, |
| public display::DisplayObserver { |
| public: |
| explicit OverlayLayoutManager(aura::Window* overlay_container); |
| ~OverlayLayoutManager() override; |
| |
| // display::DisplayObserver: |
| void OnDisplayMetricsChanged(const display::Display& display, |
| uint32_t changed_metrics) override; |
| |
| private: |
| aura::Window* overlay_container_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OverlayLayoutManager); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_OVERLAY_LAYOUT_MANAGER_H_ |