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// 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.
#ifndef COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CONNECTION_H_
#define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CONNECTION_H_
#include <map>
#include <string>
#include <vector>
#include "components/mus/common/types.h"
#include "components/mus/public/interfaces/window_tree.mojom.h"
#include "mojo/public/cpp/bindings/interface_request.h"
namespace mus {
class Window;
class WindowManagerDelegate;
class WindowTreeConnectionObserver;
class WindowTreeDelegate;
// Encapsulates a connection to a window tree. A unique connection is made
// every time an app is embedded.
class WindowTreeConnection {
public:
enum class CreateType {
// Indicates Create() should wait for OnEmbed(). If true, the
// WindowTreeConnection returned from Create() will have its root, otherwise
// the WindowTreeConnection will get the root at a later time.
WAIT_FOR_EMBED,
DONT_WAIT_FOR_EMBED
};
virtual ~WindowTreeConnection() {}
// The returned WindowTreeConnection instance owns itself, and is deleted when
// the last root is destroyed or the connection to the service is broken.
static WindowTreeConnection* Create(
WindowTreeDelegate* delegate,
mojo::InterfaceRequest<mojom::WindowTreeClient> request,
CreateType create_type);
static WindowTreeConnection* CreateForWindowManager(
WindowTreeDelegate* delegate,
mojo::InterfaceRequest<mojom::WindowTreeClient> request,
CreateType create_type,
WindowManagerDelegate* window_manager_delegate);
// Returns the root of this connection.
virtual Window* GetRoot() = 0;
// Returns a Window known to this connection.
virtual Window* GetWindowById(Id id) = 0;
// Returns the focused window; null if focus is not yet known or another app
// is focused.
virtual Window* GetFocusedWindow() = 0;
// Creates and returns a new Window (which is owned by the window server).
// Windows are initially hidden, use SetVisible(true) to show.
Window* NewWindow() { return NewWindow(nullptr); }
virtual Window* NewWindow(
const std::map<std::string, std::vector<uint8_t>>* properties) = 0;
// Returns true if ACCESS_POLICY_EMBED_ROOT was specified.
virtual bool IsEmbedRoot() = 0;
// Returns the id for this connection.
virtual ConnectionSpecificId GetConnectionId() = 0;
virtual void AddObserver(WindowTreeConnectionObserver* observer) = 0;
virtual void RemoveObserver(WindowTreeConnectionObserver* observer) = 0;
};
} // namespace mus
#endif // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CONNECTION_H_
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