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// 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 UI_AURA_MUS_WINDOW_TREE_HOST_MUS_DELEGATE_H_
#define UI_AURA_MUS_WINDOW_TREE_HOST_MUS_DELEGATE_H_
#include <stdint.h>
#include <map>
#include <string>
#include <vector>
#include "ui/aura/aura_export.h"
namespace gfx {
class Rect;
}
namespace aura {
class WindowPortMus;
class WindowTreeHostMus;
class AURA_EXPORT WindowTreeHostMusDelegate {
public:
// Called when the bounds of a WindowTreeHostMus is about to change.
// |bounds| is the bounds supplied to WindowTreeHostMus::SetBounds().
virtual void OnWindowTreeHostBoundsWillChange(
WindowTreeHostMus* window_tree_host,
const gfx::Rect& bounds) = 0;
// Called when the client area of a WindowTreeHostMus is about to change.
virtual void OnWindowTreeHostClientAreaWillChange(
WindowTreeHostMus* window_tree_host,
const gfx::Insets& client_area,
const std::vector<gfx::Rect>& additional_client_areas) = 0;
// Called when the opacity is changed client side.
virtual void OnWindowTreeHostSetOpacity(WindowTreeHostMus* window_tree_host,
float opacity) = 0;
// Called to clear the focus of the current window.
virtual void OnWindowTreeHostDeactivateWindow(
WindowTreeHostMus* window_tree_host) = 0;
// Called to stack the native window above the native window of |window|.
virtual void OnWindowTreeHostStackAbove(
WindowTreeHostMus* window_tree_host,
Window* window) = 0;
// Called to stack the native window above other native windows.
virtual void OnWindowTreeHostStackAtTop(
WindowTreeHostMus* window_tree_host) = 0;
// Called to start a move loop, where the window manager will take over
// moving a window during a drag.
virtual void OnWindowTreeHostPerformWindowMove(
WindowTreeHostMus* window_tree_host,
ws::mojom::MoveLoopSource mus_source,
const gfx::Point& cursor_location,
int hit_test,
base::OnceCallback<void(bool)> callback) = 0;
// Called to cancel a move loop.
virtual void OnWindowTreeHostCancelWindowMove(
WindowTreeHostMus* window_tree_host) = 0;
// Called when a WindowTreeHostMus is created without a WindowPort.
// TODO: this should take an unordered_map, see http://crbug.com/670515.
virtual std::unique_ptr<WindowPortMus> CreateWindowPortForTopLevel(
const std::map<std::string, std::vector<uint8_t>>* properties) = 0;
// Called from WindowTreeHostMus's constructor once the Window has been
// created.
virtual void OnWindowTreeHostCreated(WindowTreeHostMus* window_tree_host) = 0;
protected:
virtual ~WindowTreeHostMusDelegate() {}
};
} // namespace aura
#endif // UI_AURA_MUS_WINDOW_TREE_HOST_MUS_DELEGATE_H_