1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// Copyright (c) 2006-2008 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 CHROME_BROWSER_VIEWS_BOOKMARK_TABLE_VIEW_H_
#define CHROME_BROWSER_VIEWS_BOOKMARK_TABLE_VIEW_H_
#include "chrome/browser/bookmarks/bookmark_drag_data.h"
#include "chrome/views/menu.h"
#include "chrome/views/table_view.h"
class BookmarkModel;
class BookmarkNode;
class BookmarkTableModel;
class OSExchangeData;
class PrefService;
class Profile;
// A TableView implementation that shows a BookmarkTableModel.
// BookmarkTableView provides drag and drop support as well as showing a
// separate set of columns when showing search results.
class BookmarkTableView : public views::TableView {
public:
BookmarkTableView(Profile* profile, BookmarkTableModel* model);
static void RegisterUserPrefs(PrefService* prefs);
// Drag and drop methods.
virtual bool CanDrop(const OSExchangeData& data);
virtual void OnDragEntered(const views::DropTargetEvent& event);
virtual int OnDragUpdated(const views::DropTargetEvent& event);
virtual void OnDragExited();
virtual int OnPerformDrop(const views::DropTargetEvent& event);
// Sets the parent of the nodes being displayed. For search and recently
// found results |parent| is NULL.
void set_parent_node(BookmarkNode* parent) { parent_node_ = parent; }
// Sets whether the path column should be shown. The path column is shown
// for search results and recently bookmarked.
void SetShowPathColumn(bool show_path_column);
// The model as a BookmarkTableModel.
BookmarkTableModel* bookmark_table_model() const;
// Saves the widths of the table columns.
void SaveColumnConfiguration();
protected:
// Overriden to draw a drop indicator when dropping between rows.
virtual void PostPaint();
// Overriden to start a drag.
virtual LRESULT OnNotify(int w_param, LPNMHDR l_param);
private:
// Information used when we're the drop target of a drag and drop operation.
struct DropInfo {
DropInfo() : drop_index(-1), drop_operation(0), drop_on(false) {}
BookmarkDragData drag_data;
// Index into the table model of where the drop should occur.
int drop_index;
// The drop operation that should occur.
int drop_operation;
// Whether the drop is on drop_index or before it.
bool drop_on;
};
// Starts a drop operation.
void BeginDrag();
// Returns the drop operation for the specified index.
int CalculateDropOperation(const views::DropTargetEvent& event,
int drop_index,
bool drop_on);
// Performs the drop operation.
void OnPerformDropImpl();
// Sets the drop index. If index differs from the current drop index
// UpdateDropIndex is invoked for the old and new values.
void SetDropIndex(int index, bool drop_on);
// Invoked from SetDropIndex to update the state for the specified index
// and schedule a paint. If |turn_on| is true the highlight is being turned
// on for the specified index, otherwise it is being turned off.
void UpdateDropIndex(int index, bool drop_on, bool turn_on);
// Determines the drop index for the specified location.
int CalculateDropIndex(int y, bool* drop_on);
// Returns the BookmarkNode the drop should occur on, or NULL if not over
// a valid location.
BookmarkNode* GetDropParentAndIndex(int visual_drop_index,
bool drop_on,
int* index);
// Returns the bounds of drop indicator shown when the drop is to occur
// between rows (drop_on is false).
RECT GetDropBetweenHighlightRect(int index);
// Resets the columns. BookmarkTableView shows different sets of columns.
// See ShowPathColumn for details.
void UpdateColumns();
Profile* profile_;
BookmarkNode* parent_node_;
scoped_ptr<DropInfo> drop_info_;
bool show_path_column_;
DISALLOW_COPY_AND_ASSIGN(BookmarkTableView);
};
#endif // CHROME_BROWSER_VIEWS_BOOKMARK_TABLE_VIEW_H_
|
