Add javascript dialogs support

This is just the basic core part and widgets plumbing and default
implementations of the virtual functions in QWebEnginePage.

QtQuick implementation is still yet to be done

Change-Id: I7cf8d6e5ec0bf747d45e9914db57bd0e4ef95b7f
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>

3 files changed, 42 insertions, 3 deletions

diff --git a/lib/widgets/Api/qwebenginepage.cpp b/lib/widgets/Api/qwebenginepage.cpp
index b956a8785..a11272a0d 100644
--- a/lib/widgets/Api/qwebenginepage.cpp
+++ b/lib/widgets/Api/qwebenginepage.cpp
@@ -34,8 +34,10 @@
 #include <QApplication>
 #include <QClipboard>
 #include <QIcon>
+#include <QInputDialog>
 #include <QLayout>
 #include <QMenu>
+#include <QMessageBox>
 #include <QUrl>
 
 QT_BEGIN_NAMESPACE
@@ -306,6 +308,22 @@ bool QWebEnginePagePrivate::contextMenuRequested(const WebEngineContextMenuData
     return true;
 }
 
+bool QWebEnginePagePrivate::javascriptDialog(JavascriptDialogType type, const QString &message, const QString &defaultValue, QString *result)
+{
+    Q_Q(QWebEnginePage);
+    switch (type) {
+    case AlertDialog:
+        q->javaScriptAlert(0, message);
+        return true;
+    case ConfirmDialog:
+        return q->javaScriptConfirm(0, message);
+    case PromptDialog:
+        return q->javaScriptPrompt(0, message, defaultValue, result);
+    }
+    Q_UNREACHABLE();
+    return false;
+}
+
 QMenu *QWebEnginePage::createStandardContextMenu()
 {
     Q_D(QWebEnginePage);
@@ -391,6 +409,26 @@ QWebEnginePage *QWebEnginePage::createWindow(WebWindowType type)
     return 0;
 }
 
+void QWebEnginePage::javaScriptAlert(QWebEngineFrame *originatingFrame, const QString &msg)
+{
+    Q_UNUSED(originatingFrame);
+    QMessageBox::information(view(), QStringLiteral("Javascript Alert - %1").arg(url().toString()), msg);
+}
+
+bool QWebEnginePage::javaScriptConfirm(QWebEngineFrame *originatingFrame, const QString &msg)
+{
+    Q_UNUSED(originatingFrame);
+    return (QMessageBox::information(view(), QStringLiteral("Javascript Confirm - %1").arg(url().toString()), msg, QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok);
+}
+
+bool QWebEnginePage::javaScriptPrompt(QWebEngineFrame *originatingFrame, const QString &msg, const QString &defaultValue, QString *result)
+{
+    Q_UNUSED(originatingFrame);
+    bool ret = false;
+    if (result)
+        *result = QInputDialog::getText(view(), QStringLiteral("Javascript Prompt - %1").arg(url().toString()), msg, QLineEdit::Normal, defaultValue, &ret);
+    return ret;
+}
 QT_END_NAMESPACE
 
 #include "moc_qwebenginepage.cpp"
diff --git a/lib/widgets/Api/qwebenginepage.h b/lib/widgets/Api/qwebenginepage.h
index 2ac0b9dc6..e426f8da6 100644
--- a/lib/widgets/Api/qwebenginepage.h
+++ b/lib/widgets/Api/qwebenginepage.h
@@ -539,9 +539,9 @@ protected:
 
     virtual bool acceptNavigationRequest(QWebEngineFrame *frame, const QNetworkRequest &request, NavigationType type) { Q_UNUSED(frame); Q_UNUSED(request); Q_UNUSED(type); Q_UNREACHABLE(); return false; }
     virtual QString chooseFile(QWebEngineFrame *originatingFrame, const QString& oldFile) { Q_UNUSED(originatingFrame); Q_UNUSED(oldFile); Q_UNREACHABLE(); return QString(); }
-    virtual void javaScriptAlert(QWebEngineFrame *originatingFrame, const QString& msg) { Q_UNUSED(originatingFrame); Q_UNUSED(msg); Q_UNREACHABLE(); }
-    virtual bool javaScriptConfirm(QWebEngineFrame *originatingFrame, const QString& msg) { Q_UNUSED(originatingFrame); Q_UNUSED(msg); Q_UNREACHABLE(); return false; }
-    virtual bool javaScriptPrompt(QWebEngineFrame *originatingFrame, const QString& msg, const QString& defaultValue, QString* result) { Q_UNUSED(originatingFrame); Q_UNUSED(msg); Q_UNUSED(defaultValue); Q_UNUSED(result); Q_UNREACHABLE(); return false; }
+    virtual void javaScriptAlert(QWebEngineFrame *originatingFrame, const QString& msg);
+    virtual bool javaScriptConfirm(QWebEngineFrame *originatingFrame, const QString& msg);
+    virtual bool javaScriptPrompt(QWebEngineFrame *originatingFrame, const QString& msg, const QString& defaultValue, QString* result);
     virtual void javaScriptConsoleMessage(const QString& message, int lineNumber, const QString& sourceID) { Q_UNUSED(message); Q_UNUSED(lineNumber); Q_UNUSED(sourceID); Q_UNREACHABLE(); }
 
     virtual QString userAgentForUrl(const QUrl& url) const { Q_UNUSED(url); Q_UNREACHABLE(); return QString(); }
diff --git a/lib/widgets/Api/qwebenginepage_p.h b/lib/widgets/Api/qwebenginepage_p.h
index 56080c977..584b5abeb 100644
--- a/lib/widgets/Api/qwebenginepage_p.h
+++ b/lib/widgets/Api/qwebenginepage_p.h
@@ -75,6 +75,7 @@ public:
     virtual void focusContainer() Q_DECL_OVERRIDE;
     virtual void adoptNewWindow(WebContentsAdapter *newWebContents, WindowOpenDisposition disposition) Q_DECL_OVERRIDE;
     virtual bool contextMenuRequested(const WebEngineContextMenuData &data) Q_DECL_OVERRIDE;
+    virtual bool javascriptDialog(JavascriptDialogType type, const QString &message, const QString &defaultValue = QString(), QString *result = 0) Q_DECL_OVERRIDE;
 
     void updateAction(QWebEnginePage::WebAction) const;
     void updateNavigationActions();