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// Copyright 2015 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 COMPONENTS_MUS_WS_SERVER_WINDOW_OBSERVER_H_
#define COMPONENTS_MUS_WS_SERVER_WINDOW_OBSERVER_H_
#include <stdint.h>
#include <vector>
#include "components/mus/public/interfaces/mus_constants.mojom.h"
namespace gfx {
class Insets;
class Rect;
}
namespace ui {
struct TextInputState;
}
namespace mus {
namespace ws {
class ServerWindow;
// TODO(sky): rename to OnDid and OnWill everywhere.
class ServerWindowObserver {
public:
// Invoked when a window is about to be destroyed; before any of the children
// have been removed and before the window has been removed from its parent.
virtual void OnWindowDestroying(ServerWindow* window) {}
// Invoked at the end of the window's destructor (after it has been removed
// from the hierarchy.
virtual void OnWindowDestroyed(ServerWindow* window) {}
virtual void OnWillChangeWindowHierarchy(ServerWindow* window,
ServerWindow* new_parent,
ServerWindow* old_parent) {}
virtual void OnWindowHierarchyChanged(ServerWindow* window,
ServerWindow* new_parent,
ServerWindow* old_parent) {}
virtual void OnWindowBoundsChanged(ServerWindow* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) {}
virtual void OnWindowClientAreaChanged(
ServerWindow* window,
const gfx::Insets& new_client_area,
const std::vector<gfx::Rect>& new_additional_client_areas) {}
virtual void OnWindowReordered(ServerWindow* window,
ServerWindow* relative,
mojom::OrderDirection direction) {}
virtual void OnWillChangeWindowVisibility(ServerWindow* window) {}
virtual void OnWindowVisibilityChanged(ServerWindow* window) {}
virtual void OnWindowPredefinedCursorChanged(ServerWindow* window,
int32_t cursor_id) {}
virtual void OnWindowTextInputStateChanged(ServerWindow* window,
const ui::TextInputState& state) {}
virtual void OnWindowSharedPropertyChanged(
ServerWindow* window,
const std::string& name,
const std::vector<uint8_t>* new_data) {}
// Called when a transient child is added to |window|.
virtual void OnTransientWindowAdded(ServerWindow* window,
ServerWindow* transient_child) {}
// Called when a transient child is removed from |window|.
virtual void OnTransientWindowRemoved(ServerWindow* window,
ServerWindow* transient_child) {}
protected:
virtual ~ServerWindowObserver() {}
};
} // namespace ws
} // namespace mus
#endif // COMPONENTS_MUS_WS_SERVER_WINDOW_OBSERVER_H_
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