blob: b40f8d9b534caec8a96fd4e21e5b2b9c44f6d86b [file] [log] [blame]
// 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.
#include <stdint.h>
#include <memory>
#include "ash/ash_export.h"
#include "ash/public/interfaces/shell_state.mojom.h"
#include "base/macros.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/interface_ptr_set.h"
namespace aura {
class Window;
namespace ash {
// Provides access via mojo to ash::Shell state.
class ASH_EXPORT ShellState : public mojom::ShellState {
~ShellState() override;
// Binds the mojom::ShellState interface to this object.
void BindRequest(mojom::ShellStateRequest request);
// Returns the root window that newly created windows should be added to.
// Value can be temporarily overridden using ScopedRootWindowForNewWindows.
// NOTE: This returns the root; newly created windows should be added to the
// appropriate container in the returned window.
aura::Window* GetRootWindowForNewWindows() const;
// Updates the root window and notifies observers.
// NOTE: Prefer ScopedRootWindowForNewWindows.
void SetRootWindowForNewWindows(aura::Window* root);
// mojom::ShellState:
void AddClient(mojom::ShellStateClientPtr client) override;
void FlushMojoForTest();
friend class ScopedRootWindowForNewWindows;
// Sends a state update to all clients.
void NotifyAllClients();
int64_t GetDisplayIdForNewWindows() const;
// Sets the value and updates clients.
void SetScopedRootWindowForNewWindows(aura::Window* root);
// Binding for mojom::ShellState interface.
mojo::BindingSet<mojom::ShellState> bindings_;
// Clients (e.g. chrome browser, other mojo apps).
mojo::InterfacePtrSet<mojom::ShellStateClient> clients_;
aura::Window* root_window_for_new_windows_ = nullptr;
// See ScopedRootWindowForNewWindows.
aura::Window* scoped_root_window_for_new_windows_ = nullptr;
} // namespace ash
#endif // ASH_SHELL_STATE_H_