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Side by Side Diff: mojo/services/public/cpp/view_manager/view_observer.h

Issue 460863002: Rename Node to View in the View Manager mojom & client lib. Service TBD. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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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_PUBLIC_CPP_VIEW_MANAGER_NODE_OBSERVER_H_ 5 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_OBSERVER_H_
6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_NODE_OBSERVER_H_ 6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_OBSERVER_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 11
12 #include "mojo/services/public/cpp/view_manager/node.h" 12 #include "mojo/services/public/cpp/view_manager/view.h"
13 #include "mojo/services/public/interfaces/input_events/input_events.mojom.h" 13 #include "mojo/services/public/interfaces/input_events/input_events.mojom.h"
14 14
15 namespace gfx { 15 namespace gfx {
16 class Rect; 16 class Rect;
17 } 17 }
18 18
19 namespace mojo { 19 namespace mojo {
20 20
21 class Node;
22 class View; 21 class View;
23 22
24 // A note on -ing and -ed suffixes: 23 // A note on -ing and -ed suffixes:
25 // 24 //
26 // -ing methods are called before changes are applied to the local node model. 25 // -ing methods are called before changes are applied to the local view model.
27 // -ed methods are called after changes are applied to the local node model. 26 // -ed methods are called after changes are applied to the local view model.
28 // 27 //
29 // If the change originated from another connection to the view manager, it's 28 // If the change originated from another connection to the view manager, it's
30 // possible that the change has already been applied to the service-side model 29 // possible that the change has already been applied to the service-side model
31 // prior to being called, so for example in the case of OnNodeDestroying(), it's 30 // prior to being called, so for example in the case of OnViewDestroying(), it's
32 // possible the node has already been destroyed on the service side. 31 // possible the view has already been destroyed on the service side.
33 32
34 class NodeObserver { 33 class ViewObserver {
35 public: 34 public:
36 struct TreeChangeParams { 35 struct TreeChangeParams {
37 TreeChangeParams(); 36 TreeChangeParams();
38 Node* target; 37 View* target;
39 Node* old_parent; 38 View* old_parent;
40 Node* new_parent; 39 View* new_parent;
41 Node* receiver; 40 View* receiver;
42 }; 41 };
43 42
44 virtual void OnTreeChanging(const TreeChangeParams& params) {} 43 virtual void OnTreeChanging(const TreeChangeParams& params) {}
45 virtual void OnTreeChanged(const TreeChangeParams& params) {} 44 virtual void OnTreeChanged(const TreeChangeParams& params) {}
46 45
47 virtual void OnNodeReordering(Node* node, 46 virtual void OnViewReordering(View* view,
48 Node* relative_node, 47 View* relative_view,
49 OrderDirection direction) {} 48 OrderDirection direction) {}
50 virtual void OnNodeReordered(Node* node, 49 virtual void OnViewReordered(View* view,
51 Node* relative_node, 50 View* relative_view,
52 OrderDirection direction) {} 51 OrderDirection direction) {}
53 52
54 virtual void OnNodeDestroying(Node* node) {} 53 virtual void OnViewDestroying(View* view) {}
55 virtual void OnNodeDestroyed(Node* node) {} 54 virtual void OnViewDestroyed(View* view) {}
56 55
57 virtual void OnNodeBoundsChanging(Node* node, 56 virtual void OnViewBoundsChanging(View* view,
58 const gfx::Rect& old_bounds, 57 const gfx::Rect& old_bounds,
59 const gfx::Rect& new_bounds) {} 58 const gfx::Rect& new_bounds) {}
60 virtual void OnNodeBoundsChanged(Node* node, 59 virtual void OnViewBoundsChanged(View* view,
61 const gfx::Rect& old_bounds, 60 const gfx::Rect& old_bounds,
62 const gfx::Rect& new_bounds) {} 61 const gfx::Rect& new_bounds) {}
63 62
64 virtual void OnNodeFocusChanged(Node* gained_focus, Node* lost_focus) {} 63 virtual void OnViewFocusChanged(View* gained_focus, View* lost_focus) {}
65 64
66 virtual void OnNodeInputEvent(Node* node, const EventPtr& event) {} 65 virtual void OnViewInputEvent(View* view, const EventPtr& event) {}
67 66
68 protected: 67 protected:
69 virtual ~NodeObserver() {} 68 virtual ~ViewObserver() {}
70 }; 69 };
71 70
72 } // namespace mojo 71 } // namespace mojo
73 72
74 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_NODE_OBSERVER_H_ 73 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_OBSERVER_H_
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