Newer
Older
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
122
123
124
125
126
127
128
129
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "helpviewer.h"
#include "helpconstants.h"
#include "helpmanager.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QFileInfo>
#include <QtCore/QStringBuilder>
#include <QtCore/QTemporaryFile>
#include <QtCore/QUrl>
#include <QtGui/QDesktopServices>
#include <QtGui/QMouseEvent>
#include <QtHelp/QHelpEngineCore>
using namespace Help::Internal;
QString HelpViewer::AboutBlankPage =
QCoreApplication::translate("HelpViewer", "<title>about:blank</title>");
QString HelpViewer::PageNotFoundMessage =
QCoreApplication::translate("HelpViewer", "<title>Error 404...</title><div "
"align=\"center\"><br><br><h1>The page could not be found</h1><br><h3>'%1'"
"</h3></div>");
bool HelpViewer::isLocalUrl(const QUrl &url)
{
const QString &scheme = url.scheme();
return scheme.isEmpty()
|| scheme == QLatin1String("file")
|| scheme == QLatin1String("qrc")
|| scheme == QLatin1String("data")
|| scheme == QLatin1String("qthelp")
|| scheme == QLatin1String("about");
}
bool HelpViewer::canOpenPage(const QString &url)
{
return url.endsWith(QLatin1String(".html"), Qt::CaseInsensitive)
|| url.endsWith(QLatin1String(".htm"), Qt::CaseInsensitive)
|| url == Help::Constants::AboutBlank;
}
bool HelpViewer::launchWithExternalApp(const QUrl &url)
{
if (isLocalUrl(url)) {
const QHelpEngineCore &helpEngine = Help::HelpManager::helpEngineCore();
const QUrl &resolvedUrl = helpEngine.findFile(url);
if (!resolvedUrl.isValid())
return false;
const QString& path = resolvedUrl.path();
if (!canOpenPage(path)) {
QTemporaryFile tmpTmpFile;
if (!tmpTmpFile.open())
return false;
const QString &extension = QFileInfo(path).completeSuffix();
QFile actualTmpFile(tmpTmpFile.fileName() % QLatin1String(".")
% extension);
if (!actualTmpFile.open(QIODevice::ReadWrite | QIODevice::Truncate))
return false;
actualTmpFile.write(helpEngine.fileData(resolvedUrl));
actualTmpFile.close();
return QDesktopServices::openUrl(QUrl(actualTmpFile.fileName()));
}
} else if (url.scheme() == QLatin1String("http")) {
return QDesktopServices::openUrl(url);
}
return false;
}
void HelpViewer::home()
{
const QHelpEngineCore &engine = Help::HelpManager::helpEngineCore();
QString homepage = engine.customValue(QLatin1String("HomePage"),
QLatin1String("")).toString();
if (homepage.isEmpty()) {
homepage = engine.customValue(QLatin1String("DefaultHomePage"),
Help::Constants::AboutBlank).toString();
}
setSource(homepage);
}
bool HelpViewer::handleForwardBackwardMouseButtons(QMouseEvent *event)
{
if (event->button() == Qt::XButton1) {
backward();
return true;
}
if (event->button() == Qt::XButton2) {
forward();
return true;
}
return false;
}