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Side by Side Diff: ui/aura/mus/window_mus.h

Issue 2445163002: Make aura work with mus (Closed)
Patch Set: NON_EXPORTED_BASE_CLASS Created 4 years, 1 month ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef UI_AURA_MUS_WINDOW_MUS_H_
6 #define UI_AURA_MUS_WINDOW_MUS_H_
7
8 #include <stdint.h>
9
10 #include <string>
11 #include <vector>
12
13 #include "services/ui/public/interfaces/cursor.mojom.h"
14 #include "ui/aura/aura_export.h"
15 #include "ui/aura/mus/mus_types.h"
16
17 namespace gfx {
18 class Rect;
19 }
20
21 namespace ui {
22 namespace mojom {
23 enum class OrderDirection;
24 }
25 }
26
27 namespace aura {
28
29 struct SurfaceInfo;
30 class Window;
31 class WindowTreeClient;
32
33 // WindowMus defines the interface used by WindowTreeClient to modify
34 // the underlying Window. It's defined as a separate interface to make it clear
35 // that any changes that WindowTreeClient makes must be propagated through
36 // this interface so that they don't result in bouncing back to
37 // WindowTreeClient. For example, if the server change the bounds care must be
38 // taken that when the change is applied to the Window the server isn't asked to
39 // change the bounds too. See WindowPortMus for details.
40 class AURA_EXPORT WindowMus {
41 public:
42 virtual ~WindowMus() {}
43
44 // Returns the WindowMus associated with |window|.
45 static WindowMus* Get(Window* window);
46
47 Id server_id() const { return server_id_; }
48
49 // Top level windows may have a root window with no associated server window.
50 // This happens because the client creates the top level window first, and
51 // then the WindowTreeHost. Each WindowTreeHost has a Window, so the
52 // WindowTreeHost for top-levels has no server window.
53 bool has_server_window() const { return server_id() != kInvalidServerId; }
54
55 virtual Window* GetWindow() = 0;
56
57 // These functions are called in response to a change from the server. The
58 // expectation is that in calling these WindowTreeClient is not called
59 // back. For example, SetBoundsFromServer() should not result in calling back
60 // to WindowTreeClient::OnWindowMusBoundsChanged().
61 virtual void AddChildFromServer(WindowMus* window) = 0;
62 virtual void RemoveChildFromServer(WindowMus* child) = 0;
63 virtual void ReorderFromServer(WindowMus* child,
64 WindowMus* relative,
65 ui::mojom::OrderDirection) = 0;
66 virtual void SetBoundsFromServer(const gfx::Rect& bounds) = 0;
67 virtual void SetVisibleFromServer(bool visible) = 0;
68 virtual void SetOpacityFromServer(float opacity) = 0;
69 virtual void SetPredefinedCursorFromServer(ui::mojom::Cursor cursor) = 0;
70 virtual void SetPropertyFromServer(const std::string& property_name,
71 const std::vector<uint8_t>* data) = 0;
72 virtual void SetSurfaceIdFromServer(
73 std::unique_ptr<SurfaceInfo> surface_info) = 0;
74
75 virtual void NotifyEmbeddedAppDisconnected() = 0;
76
77 private:
78 // Just for set_server_id(), which other places should not call.
79 friend class WindowTreeClient;
80
81 void set_server_id(Id id) { server_id_ = id; }
82
83 Id server_id_ = kInvalidServerId;
84 };
85
86 } // namespace aura
87
88 #endif // UI_AURA_MUS_WINDOW_MUS_H_
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