Added "broken page" image to speed dial when loading fails.

+ updated translations

src/data/html.qrc

@@ -19,5 +19,6 @@
         <file>html/loading.gif</file>
         <file>html/reload.png</file>
         <file>html/qupzilla.ico</file>
+        <file>html/broken-page.png</file>
     </qresource>
 </RCC>

src/plugins/speeddial.cpp

@@ -166,12 +166,18 @@ void SpeedDial::thumbnailCreated(const QPixmap &image)
     QString url = thumbnailer->url().toString();
     QString fileName = m_thumbnailsDir + QCryptographicHash::hash(url.toUtf8(), QCryptographicHash::Md4).toHex() + ".png";
 
-    if (!image.save(fileName)) {
+    if (image.isNull()) {
-        qWarning() << "SpeedDial::thumbnailCreated Cannot save thumbnail to " << fileName;
+        fileName = "qrc:/html/broken-page.png";
+    }
+    else {
+        if (!image.save(fileName)) {
+            qWarning() << "SpeedDial::thumbnailCreated Cannot save thumbnail to " << fileName;
+        }
+
+        fileName = QUrl::fromLocalFile(fileName).toString();
     }
 
     m_regenerateScript = true;
-    fileName = QUrl::fromLocalFile(fileName).toString();
 
     for (int i = 0; i < m_webFrames.count(); i++) {
         QWebFrame* frame = m_webFrames.at(i).data();

src/tools/pagethumbnailer.cpp

@@ -86,11 +86,16 @@ void PageThumbnailer::start()
 {
     m_page->mainFrame()->load(m_url);
 
-    connect(m_page, SIGNAL(loadFinished(bool)), this, SLOT(createThumbnail()));
+    connect(m_page, SIGNAL(loadFinished(bool)), this, SLOT(createThumbnail(bool)));
 }
 
-void PageThumbnailer::createThumbnail()
+void PageThumbnailer::createThumbnail(bool status)
 {
+    if (!status) {
+        emit thumbnailCreated(QPixmap());
+        return;
+    }
+
     QImage image(m_page->viewportSize(), QImage::Format_ARGB32);
     QPainter painter(&image);
     m_page->mainFrame()->render(&painter);

src/tools/pagethumbnailer.h

@@ -56,7 +56,7 @@ signals:
 public slots:
 
 private slots:
-    void createThumbnail();
+    void createThumbnail(bool status);
 
 private:
     QWebPage* m_page;

translations/cs_CZ.ts

@@ -4384,7 +4384,7 @@ Po přidání či odstranění cest k certifikátům je nutné k projevení změ
         <translation>Hledat &quot;%1 ..&quot; s %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Bezejmenná stránka</translation>
     </message>

translations/de_DE.ts

@@ -4380,7 +4380,7 @@ Nachdem Speicherpfade hinzugefügt oder gelöscht wurden, muss QupZilla neu gest
         <translation>Suche &quot;%1 ..&quot; mit %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Unbekannte Seite</translation>
     </message>

translations/es_ES.ts

@@ -4398,7 +4398,7 @@ Después de añadir o quitar rutas de certificados, es necesario reiniciar QupZi
         <translation>Buscar &quot;%1 ..&quot; con %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Página en blanco</translation>
     </message>

translations/it_IT.ts

@@ -4402,7 +4402,7 @@ Dopo l'aggiunta o la rimozione dei percorsi di certificazione, è necessari
         <translation>Cerca &quot;%1 ..&quot; con %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Pagina Senza Nome</translation>
     </message>

translations/nl_NL.ts

@@ -4380,7 +4380,7 @@ Na het toevoegen of verwijderen van paden, is het noodzakelijk om de browser te
         <translation>Zoek &quot;%1 ..&quot; met %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Niet benoemde pagina</translation>
     </message>

translations/pl_PL.ts

@@ -4467,7 +4467,7 @@ Nachdem Speicherpfade hinzugefügt oder gelöscht wurden, muss QupZilla neu gest
         <translation>Suche &quot;%1 ..&quot; mit %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Unbekannte Seite</translation>
     </message>

translations/sk_SK.ts

@@ -4377,7 +4377,7 @@ Po pridaní či odobratí ciest k certifikátom je nutné reštartovať prehliad
         <translation>Hľadať &quot;%1 ..&quot; s %2</translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>Nepomenovaná stránka</translation>
     </message>

translations/zh_CN.ts

@@ -4393,7 +4393,7 @@ After adding or removing certificate paths, it is neccessary to restart QupZilla
         <translation>使用 %2搜索&quot;%1 ..&quot; </translation>
     </message>
     <message>
-        <location filename="../src/webview/webview.cpp" line="887"/>
+        <location filename="../src/webview/webview.cpp" line="890"/>
         <source>No Named Page</source>
         <translation>无命名页面</translation>
     </message>