Add "View Page Source" and support for URL on the command line

This example app is useful for debugging QtWebKit problems, it
was just missing a way to load the url from the command-line (to
avoid loading google first), and a "view page source" action.

Reviewed-By: Markus Goetz
Merge-Request: 2021

3 files changed, 36 insertions, 4 deletions

diff --git a/examples/webkit/fancybrowser/main.cpp b/examples/webkit/fancybrowser/main.cpp
index 7f3c983..2245788 100644
--- a/examples/webkit/fancybrowser/main.cpp
+++ b/examples/webkit/fancybrowser/main.cpp
@@ -45,7 +45,12 @@
 int main(int argc, char * argv[])
 {
     QApplication app(argc, argv);
-    MainWindow *browser = new MainWindow;
+    QUrl url;
+    if (argc > 1)
+        url = QUrl(argv[1]);
+    else
+        url = QUrl("http://www.google.com/ncr");
+    MainWindow *browser = new MainWindow(url);
     browser->show();
     return app.exec();
 }
diff --git a/examples/webkit/fancybrowser/mainwindow.cpp b/examples/webkit/fancybrowser/mainwindow.cpp
index a3293b8..06af62e 100644
--- a/examples/webkit/fancybrowser/mainwindow.cpp
+++ b/examples/webkit/fancybrowser/mainwindow.cpp
@@ -45,7 +45,7 @@
 
 //! [1]
 
-MainWindow::MainWindow()
+MainWindow::MainWindow(const QUrl& url)
 {
     progress = 0;
 
@@ -60,7 +60,7 @@ MainWindow::MainWindow()
 
 //! [2]
     view = new QWebView(this);
-    view->load(QUrl("http://www.google.com/ncr"));
+    view->load(url);
     connect(view, SIGNAL(loadFinished(bool)), SLOT(adjustLocation()));
     connect(view, SIGNAL(titleChanged(const QString&)), SLOT(adjustTitle()));
     connect(view, SIGNAL(loadProgress(int)), SLOT(setProgress(int)));
@@ -78,6 +78,11 @@ MainWindow::MainWindow()
     toolBar->addWidget(locationEdit);
 //! [2]
 
+    QMenu *viewMenu = menuBar()->addMenu(tr("&View"));
+    QAction* viewSourceAction = new QAction("Page Source", this);
+    connect(viewSourceAction, SIGNAL(triggered()), SLOT(viewSource()));
+    viewMenu->addAction(viewSourceAction);
+
 //! [3]
     QMenu *effectMenu = menuBar()->addMenu(tr("&Effect"));
     effectMenu->addAction("Highlight all links", this, SLOT(highlightAllLinks()));
@@ -100,6 +105,23 @@ MainWindow::MainWindow()
 }
 //! [3]
 
+void MainWindow::viewSource()
+{
+    QNetworkAccessManager* accessManager = view->page()->networkAccessManager();
+    QNetworkRequest request(view->url());
+    QNetworkReply* reply = accessManager->get(request);
+    connect(reply, SIGNAL(finished()), this, SLOT(slotSourceDownloaded()));
+}
+
+void MainWindow::slotSourceDownloaded()
+{
+    QNetworkReply* reply = qobject_cast<QNetworkReply*>(const_cast<QObject*>(sender()));
+    QTextEdit* textEdit = new QTextEdit(NULL);
+    textEdit->setAttribute(Qt::WA_DeleteOnClose);
+    textEdit->show();
+    textEdit->setPlainText(reply->readAll());
+}
+
 //! [4]
 void MainWindow::adjustLocation()
 {
@@ -136,6 +158,8 @@ void MainWindow::finishLoading(bool)
     progress = 100;
     adjustTitle();
     view->page()->mainFrame()->evaluateJavaScript(jQuery);
+    // Enable this to see the dump of the internal render tree
+    //qDebug() << view->page()->mainFrame()->renderTreeDump();
 }
 //! [6]
 
diff --git a/examples/webkit/fancybrowser/mainwindow.h b/examples/webkit/fancybrowser/mainwindow.h
index 33fd8f5..be95614 100644
--- a/examples/webkit/fancybrowser/mainwindow.h
+++ b/examples/webkit/fancybrowser/mainwindow.h
@@ -52,7 +52,7 @@ class MainWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    MainWindow();
+    MainWindow(const QUrl& url);
 
 protected slots:
 
@@ -62,6 +62,9 @@ protected slots:
     void setProgress(int p);
     void finishLoading(bool);
 
+    void viewSource();
+    void slotSourceDownloaded();
+
     void highlightAllLinks();
     void rotateImages(bool toggle);
     void removeGifImages();