blob: aa73c1b8087946f83ff96de6799c22661d4d2b19 [file] [log] [blame]
// Copyright 2014 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 <string>
#include <vector>
#include "services/service_manager/public/mojom/interface_provider.mojom.h"
#include "services/ws/public/mojom/screen_provider_observer.mojom.h"
#include "services/ws/public/mojom/window_tree.mojom.h"
#include "ui/aura/aura_export.h"
namespace aura {
class PropertyConverter;
class Window;
class WindowTreeClient;
class WindowTreeHostMus;
// Interface implemented by an application using mus.
class AURA_EXPORT WindowTreeClientDelegate {
// Called when the application implementing this interface is embedded.
// NOTE: this is only invoked if the WindowTreeClient is created with an
// InterfaceRequest.
virtual void OnEmbed(std::unique_ptr<WindowTreeHostMus> window_tree_host) = 0;
// Sent when another app is embedded in |root| (one of the roots of the
// connection). Afer this call |root| is deleted. If the associated
// WindowTreeClient was created from a WindowTreeClientRequest then
// OnEmbedRootDestroyed() is called after the window is deleted.
virtual void OnUnembed(Window* root);
// Called when the embed root has been destroyed on the server side (or
// another client was embedded in the same window). This is called in two
// distinct cases:
// . If the WindowTreeClient was created from an InterfaceRequest. In this
// case the WindowTreeClient associated with the WindowTreeHost is no
// longer in a usable state and should be deleted (after deleting
// |window_tree_host|).
// . When the window associated with a top level window (one created by way of
// directly creating a WindowTreeHostMus) is destroyed on the server side.
// In this case the |window_tree_host| should be destroyed, but the
// WindowTreeClient is still usable.
virtual void OnEmbedRootDestroyed(WindowTreeHostMus* window_tree_host) = 0;
// Called when the connection to the window server has been lost. After this
// call the windows are still valid, and you can still do things, but they
// have no real effect. Generally when this is called clients should delete
// the corresponding WindowTreeClient.
virtual void OnLostConnection(WindowTreeClient* client) = 0;
virtual PropertyConverter* GetPropertyConverter() = 0;
// See ws::mojom::ScreenProviderObserver for details on this.
// TODO(sky): consider moving ScreenMus from views to aura.
virtual void OnDisplaysChanged(
std::vector<ws::mojom::WsDisplayPtr> ws_displays,
int64_t primary_display_id,
int64_t internal_display_id,
int64_t display_id_for_new_windows) {}
virtual ~WindowTreeClientDelegate() {}
} // namespace aura