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
|
/*
Copyright (C) 2007 Staikos Computing Services Inc.
Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2012 Samsung Electronics
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "DefaultUndoController.h"
#include "UndoOrRedo.h"
#include "WebEditCommandProxy.h"
#include <wtf/RefPtr.h>
namespace WebKit {
void DefaultUndoController::registerEditCommand(Ref<WebEditCommandProxy>&& command, UndoOrRedo undoOrRedo)
{
if (undoOrRedo == UndoOrRedo::Undo)
m_undoStack.append(WTFMove(command));
else
m_redoStack.append(WTFMove(command));
}
void DefaultUndoController::clearAllEditCommands()
{
m_undoStack.clear();
m_redoStack.clear();
}
bool DefaultUndoController::canUndoRedo(UndoOrRedo undoOrRedo)
{
if (undoOrRedo == UndoOrRedo::Undo)
return !m_undoStack.isEmpty();
return !m_redoStack.isEmpty();
}
void DefaultUndoController::executeUndoRedo(UndoOrRedo undoOrRedo)
{
RefPtr<WebEditCommandProxy> command;
if (undoOrRedo == UndoOrRedo::Undo) {
command = m_undoStack.last();
m_undoStack.removeLast();
command->unapply();
} else {
command = m_redoStack.last();
m_redoStack.removeLast();
command->reapply();
}
}
} // namespace WebKit
|
