QGIS API Documentation 3.27.0-Master (c6eca784ad)
qgswebpage.h
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1/***************************************************************************
2
3 ----------------------------------------------------
4 date : 19.5.2015
5 copyright : (C) 2015 by Matthias Kuhn
6 email : matthias (at) opengis.ch
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSWEBPAGE_H
17#define QGSWEBPAGE_H
18
19#define SIP_NO_FILE
20
21#include "qgis_core.h"
22#include "qgsmessagelog.h"
23#include <QObject>
24
25#ifdef WITH_QTWEBKIT
26#include <QWebPage>
27#else
28
29#include "qgswebframe.h"
30
31#include <QMenu>
32#include <QNetworkAccessManager>
33#include <QPalette>
34#include <QTextBrowser>
35
36
42class CORE_EXPORT QWebSettings : public QObject
43{
45 Q_OBJECT
46
47 public:
48
49 enum WebAttribute
50 {
51 AutoLoadImages,
52 JavascriptEnabled,
53 JavaEnabled,
54 PluginsEnabled,
55 PrivateBrowsingEnabled,
56 JavascriptCanOpenWindows,
57 JavascriptCanAccessClipboard,
58 DeveloperExtrasEnabled,
59 LinksIncludedInFocusChain,
60 ZoomTextOnly,
61 PrintElementBackgrounds,
62 OfflineStorageDatabaseEnabled,
63 OfflineWebApplicationCacheEnabled,
64 LocalStorageEnabled,
65 LocalContentCanAccessRemoteUrls,
66 DnsPrefetchEnabled,
67 XSSAuditingEnabled,
68 AcceleratedCompositingEnabled,
69 SpatialNavigationEnabled,
70 LocalContentCanAccessFileUrls,
71 TiledBackingStoreEnabled,
72 FrameFlatteningEnabled,
73 SiteSpecificQuirksEnabled,
74 JavascriptCanCloseWindows,
75 WebGLEnabled,
76 CSSRegionsEnabled,
77 HyperlinkAuditingEnabled,
78 CSSGridLayoutEnabled,
79 ScrollAnimatorEnabled,
80 CaretBrowsingEnabled,
81 NotificationsEnabled
82 };
83 explicit QWebSettings( QObject *parent = nullptr )
84 : QObject( parent )
85 {
86 }
87
88 void setUserStyleSheetUrl( const QUrl & )
89 {
90 }
91
92 void setAttribute( WebAttribute, bool )
93 {
94 }
96};
97
103class CORE_EXPORT QWebPage : public QObject
104{
106 Q_OBJECT
107
108 public:
109
110 enum LinkDelegationPolicy
111 {
112 DontDelegateLinks,
113 DelegateExternalLinks,
114 DelegateAllLinks
115 };
116
117 enum WebWindowType
118 {
119 WebBrowserWindow,
120 WebModalDialog
121 };
122
123 explicit QWebPage( QObject *parent = nullptr )
124 : QObject( parent )
125 , mSettings( new QWebSettings() )
126 , mFrame( new QWebFrame() )
127 {
128 connect( mFrame, &QWebFrame::loadFinished, this, &QWebPage::loadFinished );
129 }
130
131 ~QWebPage()
132 {
133 delete mFrame;
134 delete mSettings;
135 }
136
137 QPalette palette() const
138 {
139 return QPalette();
140 }
141
142 void setPalette( const QPalette &palette )
143 {
144 Q_UNUSED( palette )
145 }
146
147 void setViewportSize( const QSize &size ) const
148 {
149 Q_UNUSED( size )
150 }
151
152 void setLinkDelegationPolicy( LinkDelegationPolicy linkDelegationPolicy )
153 {
154 if ( !parent() )
155 return;
156
157 QTextBrowser *tb = qobject_cast<QTextBrowser *>( parent() );
158 if ( !tb )
159 return;
160
161 tb->setOpenExternalLinks( linkDelegationPolicy != DontDelegateLinks );
162 }
163
164 void setNetworkAccessManager( QNetworkAccessManager *networkAccessManager )
165 {
166 Q_UNUSED( networkAccessManager )
167 }
168
169 QWebFrame *mainFrame() const
170 {
171 return mFrame;
172 }
173
174 QWebSettings *settings() const
175 {
176 return mSettings;
177 }
178
179 QSize viewportSize() const
180 {
181 return QSize();
182 }
183
184 QMenu *createStandardContextMenu()
185 {
186 return new QMenu();
187 }
188
189 signals:
190
191 void loadFinished( bool ok );
192
193 void downloadRequested( const QNetworkRequest &request );
194
195 void unsupportedContent( QNetworkReply *reply );
196
197 public slots:
198
199 protected:
200
201 virtual void javaScriptConsoleMessage( const QString &, int, const QString & ) {}
202
203 private:
204 QWebSettings *mSettings = nullptr;
205 QWebFrame *mFrame = nullptr;
207};
208#endif
209
217class CORE_EXPORT QgsWebPage : public QWebPage
218{
219 Q_OBJECT
220
221 public:
222
227 explicit QgsWebPage( QObject *parent = nullptr )
228 : QWebPage( parent )
229 {}
230
238 void setIdentifier( const QString &identifier ) { mIdentifier = identifier; }
239
245 QString identifier() const { return mIdentifier; }
246
247 protected:
248
249 void javaScriptConsoleMessage( const QString &message, int lineNumber, const QString & ) override
250 {
251 if ( mIdentifier.isEmpty() )
252 QgsMessageLog::logMessage( tr( "Line %1: %2" ).arg( lineNumber ).arg( message ), tr( "JavaScript" ) );
253 else
254 QgsMessageLog::logMessage( tr( "%1 (line %2): %3" ).arg( mIdentifier ).arg( lineNumber ).arg( message ), tr( "JavaScript" ) );
255 }
256
257 private:
258
259 QString mIdentifier;
260
261};
262
263#endif // QGSWEBPAGE_H
264
The QWebFrame class is a collection of stubs to mimic the API of a QWebFrame on systems where QtWebki...
Definition: qgswebframe.h:38
The QWebPage class is a collection of stubs to mimic the API of a QWebPage on systems where QtWebkit ...
Definition: qgswebpage.h:104
The QWebSettings class is a collection of stubs to mimic the API of a QWebSettings on systems where Q...
Definition: qgswebpage.h:43
static void logMessage(const QString &message, const QString &tag=QString(), Qgis::MessageLevel level=Qgis::MessageLevel::Warning, bool notifyUser=true)
Adds a message to the log instance (and creates it if necessary).
QWebPage subclass which redirects JavaScript errors and console output to the QGIS message log.
Definition: qgswebpage.h:218
QgsWebPage(QObject *parent=nullptr)
Constructor for QgsWebPage.
Definition: qgswebpage.h:227
void javaScriptConsoleMessage(const QString &message, int lineNumber, const QString &) override
Definition: qgswebpage.h:249
void setIdentifier(const QString &identifier)
Sets an identifier for the QgsWebPage.
Definition: qgswebpage.h:238
QString identifier() const
Returns the QgsWebPage's identifier.
Definition: qgswebpage.h:245