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Side by Side Diff: ui/base/models/tree_model.h

Issue 93863005: ui: Rename ui_export.h to ui_base_export.h (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: UI_BASE_IMPLEMENTATION Created 6 years, 11 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 UI_BASE_MODELS_TREE_MODEL_H_ 5 #ifndef UI_BASE_MODELS_TREE_MODEL_H_
6 #define UI_BASE_MODELS_TREE_MODEL_H_ 6 #define UI_BASE_MODELS_TREE_MODEL_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/strings/string16.h" 10 #include "base/strings/string16.h"
11 #include "ui/base/ui_export.h" 11 #include "ui/base/ui_base_export.h"
12 12
13 namespace gfx { 13 namespace gfx {
14 class ImageSkia; 14 class ImageSkia;
15 } 15 }
16 16
17 namespace ui { 17 namespace ui {
18 18
19 class TreeModel; 19 class TreeModel;
20 20
21 // TreeModelNode -------------------------------------------------------------- 21 // TreeModelNode --------------------------------------------------------------
22 22
23 // Type of class returned from the model. 23 // Type of class returned from the model.
24 class TreeModelNode { 24 class TreeModelNode {
25 public: 25 public:
26 // Returns the title for the node. 26 // Returns the title for the node.
27 virtual const base::string16& GetTitle() const = 0; 27 virtual const base::string16& GetTitle() const = 0;
28 28
29 protected: 29 protected:
30 virtual ~TreeModelNode() {} 30 virtual ~TreeModelNode() {}
31 }; 31 };
32 32
33 // Observer for the TreeModel. Notified of significant events to the model. 33 // Observer for the TreeModel. Notified of significant events to the model.
34 class UI_EXPORT TreeModelObserver { 34 class UI_BASE_EXPORT TreeModelObserver {
35 public: 35 public:
36 // Notification that nodes were added to the specified parent. 36 // Notification that nodes were added to the specified parent.
37 virtual void TreeNodesAdded(TreeModel* model, 37 virtual void TreeNodesAdded(TreeModel* model,
38 TreeModelNode* parent, 38 TreeModelNode* parent,
39 int start, 39 int start,
40 int count) = 0; 40 int count) = 0;
41 41
42 // Notification that nodes were removed from the specified parent. 42 // Notification that nodes were removed from the specified parent.
43 virtual void TreeNodesRemoved(TreeModel* model, 43 virtual void TreeNodesRemoved(TreeModel* model,
44 TreeModelNode* parent, 44 TreeModelNode* parent,
45 int start, 45 int start,
46 int count) = 0; 46 int count) = 0;
47 47
48 // Notification that the contents of a node has changed. 48 // Notification that the contents of a node has changed.
49 virtual void TreeNodeChanged(TreeModel* model, TreeModelNode* node) = 0; 49 virtual void TreeNodeChanged(TreeModel* model, TreeModelNode* node) = 0;
50 50
51 protected: 51 protected:
52 virtual ~TreeModelObserver() {} 52 virtual ~TreeModelObserver() {}
53 }; 53 };
54 54
55 // TreeModel ------------------------------------------------------------------ 55 // TreeModel ------------------------------------------------------------------
56 56
57 // The model for TreeView. 57 // The model for TreeView.
58 class UI_EXPORT TreeModel { 58 class UI_BASE_EXPORT TreeModel {
59 public: 59 public:
60 // Returns the root of the tree. This may or may not be shown in the tree, 60 // Returns the root of the tree. This may or may not be shown in the tree,
61 // see SetRootShown for details. 61 // see SetRootShown for details.
62 virtual TreeModelNode* GetRoot() = 0; 62 virtual TreeModelNode* GetRoot() = 0;
63 63
64 // Returns the number of children in |parent|. 64 // Returns the number of children in |parent|.
65 virtual int GetChildCount(TreeModelNode* parent) = 0; 65 virtual int GetChildCount(TreeModelNode* parent) = 0;
66 66
67 // Returns the child node of |parent| at |index|. 67 // Returns the child node of |parent| at |index|.
68 virtual TreeModelNode* GetChild(TreeModelNode* parent, int index) = 0; 68 virtual TreeModelNode* GetChild(TreeModelNode* parent, int index) = 0;
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92 // GetIcons. 92 // GetIcons.
93 virtual int GetIconIndex(TreeModelNode* node); 93 virtual int GetIconIndex(TreeModelNode* node);
94 94
95 protected: 95 protected:
96 virtual ~TreeModel() {} 96 virtual ~TreeModel() {}
97 }; 97 };
98 98
99 } // namespace ui 99 } // namespace ui
100 100
101 #endif // UI_BASE_MODELS_TREE_MODEL_H_ 101 #endif // UI_BASE_MODELS_TREE_MODEL_H_
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