New property 'viewportSize' to read and modify the viewport size.

src/phantomjs.cpp

@@ -78,6 +78,7 @@ class Phantom: public QObject
     Q_PROPERTY(QString loadStatus READ loadStatus)
     Q_PROPERTY(QString storage READ storage WRITE setStorage)
     Q_PROPERTY(QString userAgent READ userAgent WRITE setUserAgent)
+    Q_PROPERTY(QVariantMap viewportSize READ viewportSize WRITE setViewportSize)
 
 public:
     Phantom(QObject *parent = 0);
@@ -98,6 +99,9 @@ class Phantom: public QObject
     void setUserAgent(const QString &ua);
     QString userAgent() const;
 
+    void setViewportSize(const QVariantMap &size);
+    QVariantMap viewportSize() const;
+
 public slots:
     void exit(int code = 0);
     void log(const QString &msg);
@@ -242,6 +246,23 @@ QString Phantom::userAgent() const
     return m_page.m_userAgent;
 }
 
+void Phantom::setViewportSize(const QVariantMap &size)
+{
+    int w = size.value("width").toInt();
+    int h = size.value("height").toInt();
+    if (w > 0 && h > 0)
+        m_page.setViewportSize(QSize(w, h));
+}
+
+QVariantMap Phantom::viewportSize() const
+{
+    QVariantMap result;
+    QSize size = m_page.viewportSize();
+    result["width"] = size.width();
+    result["height"] = size.height();
+    return result;
+}
+
 #include "phantomjs.moc"
 
 int main(int argc, char** argv)