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// 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 UI_OZONE_DEMO_WINDOW_MANAGER_H_
#define UI_OZONE_DEMO_WINDOW_MANAGER_H_
#include <memory>
#include <vector>
#include "base/callback.h"
#include "ui/display/types/native_display_observer.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/ozone/demo/renderer_factory.h"
namespace display {
class DisplaySnapshot;
class NativeDisplayDelegate;
} // namespace display
namespace ui {
class DemoWindow;
class WindowManager : public display::NativeDisplayObserver {
public:
explicit WindowManager(std::unique_ptr<RendererFactory> renderer_factory,
base::OnceClosure quit_closure);
~WindowManager() override;
void Quit();
void AddWindow(DemoWindow* window);
void RemoveWindow(DemoWindow* window);
private:
void OnDisplaysAquired(
const std::vector<display::DisplaySnapshot*>& displays);
void OnDisplayConfigured(const gfx::Rect& bounds, bool success);
// display::NativeDisplayDelegate:
void OnConfigurationChanged() override;
void OnDisplaySnapshotsInvalidated() override;
std::unique_ptr<display::NativeDisplayDelegate> delegate_;
base::OnceClosure quit_closure_;
std::unique_ptr<RendererFactory> renderer_factory_;
std::vector<std::unique_ptr<DemoWindow>> windows_;
// Flags used to keep track of the current state of display configuration.
//
// True if configuring the displays. In this case a new display configuration
// isn't started.
bool is_configuring_ = false;
// If |is_configuring_| is true and another display configuration event
// happens, the event is deferred. This is set to true and a display
// configuration will be scheduled after the current one finishes.
bool should_configure_ = false;
DISALLOW_COPY_AND_ASSIGN(WindowManager);
};
} // namespace ui
#endif // UI_OZONE_DEMO_WINDOW_MANAGER_H_
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