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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_SERVICES_VIEW_MANAGER_NODE_H_ | 5 #ifndef MOJO_SERVICES_VIEW_MANAGER_NODE_H_ |
6 #define MOJO_SERVICES_VIEW_MANAGER_NODE_H_ | 6 #define MOJO_SERVICES_VIEW_MANAGER_NODE_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "mojo/services/view_manager/ids.h" | 11 #include "mojo/services/view_manager/ids.h" |
12 #include "mojo/services/view_manager/view_manager_export.h" | 12 #include "mojo/services/view_manager/view_manager_export.h" |
13 #include "ui/aura/window.h" | 13 #include "ui/aura/window.h" |
14 #include "ui/aura/window_delegate.h" | |
15 #include "ui/aura/window_observer.h" | 14 #include "ui/aura/window_observer.h" |
16 | 15 |
17 namespace mojo { | 16 namespace mojo { |
18 namespace services { | 17 namespace services { |
19 namespace view_manager { | 18 namespace view_manager { |
20 | 19 |
21 class NodeDelegate; | 20 class NodeDelegate; |
22 class View; | 21 class View; |
23 | 22 |
24 // Represents a node in the graph. Delegate is informed of interesting events. | 23 // Represents a node in the graph. Delegate is informed of interesting events. |
25 class MOJO_VIEW_MANAGER_EXPORT Node | 24 class MOJO_VIEW_MANAGER_EXPORT Node : public aura::WindowObserver { |
26 : public aura::WindowObserver, | |
27 public aura::WindowDelegate { | |
28 public: | 25 public: |
29 Node(NodeDelegate* delegate, const NodeId& id); | 26 Node(NodeDelegate* delegate, const NodeId& id); |
30 virtual ~Node(); | 27 virtual ~Node(); |
31 | 28 |
32 void set_view_id(const ViewId& view_id) { view_id_ = view_id; } | 29 void set_view_id(const ViewId& view_id) { view_id_ = view_id; } |
33 const ViewId& view_id() const { return view_id_; } | 30 const ViewId& view_id() const { return view_id_; } |
34 | 31 |
35 const NodeId& id() const { return id_; } | 32 const NodeId& id() const { return id_; } |
36 | 33 |
37 void Add(Node* child); | 34 void Add(Node* child); |
38 void Remove(Node* child); | 35 void Remove(Node* child); |
39 | 36 |
40 aura::Window* window() { return &window_; } | |
41 | |
42 Node* GetParent(); | 37 Node* GetParent(); |
43 | 38 |
44 std::vector<Node*> GetChildren(); | 39 std::vector<Node*> GetChildren(); |
45 | 40 |
46 // Sets the view associated with this node. Node does not own its View. | 41 // Sets the view associated with this node. Node does not own its View. |
47 void SetView(View* view); | 42 void SetView(View* view); |
48 View* view() { return view_; } | 43 View* view() { return view_; } |
49 | 44 |
50 private: | 45 private: |
51 // WindowObserver overrides: | 46 // WindowObserver overrides: |
52 virtual void OnWindowHierarchyChanged( | 47 virtual void OnWindowHierarchyChanged( |
53 const aura::WindowObserver::HierarchyChangeParams& params) OVERRIDE; | 48 const aura::WindowObserver::HierarchyChangeParams& params) OVERRIDE; |
54 | 49 |
55 // WindowDelegate overrides: | |
56 virtual gfx::Size GetMinimumSize() const OVERRIDE; | |
57 virtual gfx::Size GetMaximumSize() const OVERRIDE; | |
58 virtual void OnBoundsChanged(const gfx::Rect& old_bounds, | |
59 const gfx::Rect& new_bounds) OVERRIDE; | |
60 virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE; | |
61 virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE; | |
62 virtual bool ShouldDescendIntoChildForEventHandling( | |
63 aura::Window* child, | |
64 const gfx::Point& location) OVERRIDE; | |
65 virtual bool CanFocus() OVERRIDE; | |
66 virtual void OnCaptureLost() OVERRIDE; | |
67 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; | |
68 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE; | |
69 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; | |
70 virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE; | |
71 virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE; | |
72 virtual bool HasHitTestMask() const OVERRIDE; | |
73 virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE; | |
74 | |
75 NodeDelegate* delegate_; | 50 NodeDelegate* delegate_; |
76 const NodeId id_; | 51 const NodeId id_; |
77 | 52 |
78 // Weak pointer to view associated with this node. | 53 // Weak pointer to view associated with this node. |
79 View* view_; | 54 View* view_; |
80 | 55 |
81 ViewId view_id_; | 56 ViewId view_id_; |
82 | 57 |
83 aura::Window window_; | 58 aura::Window window_; |
84 | 59 |
85 DISALLOW_COPY_AND_ASSIGN(Node); | 60 DISALLOW_COPY_AND_ASSIGN(Node); |
86 }; | 61 }; |
87 | 62 |
88 } // namespace view_manager | 63 } // namespace view_manager |
89 } // namespace services | 64 } // namespace services |
90 } // namespace mojo | 65 } // namespace mojo |
91 | 66 |
92 #endif // MOJO_SERVICES_VIEW_MANAGER_NODE_H_ | 67 #endif // MOJO_SERVICES_VIEW_MANAGER_NODE_H_ |
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