From 3323e3c8c00c8f92159992fc1b87bf99767255e6 Mon Sep 17 00:00:00 2001
From: Teo Mrnjavac <teo@kde.org>
Date: Tue, 29 Mar 2016 10:22:58 +0200
Subject: [PATCH] Revert "Revert "Merge pull request #239 from
 calamares/qtwebengine""

This reverts commit 8806bb67acdcba5a9fd54677907d1b7fa79921ea.
---
 src/modules/webview/CMakeLists.txt     | 41 ++++++++++++++++++++++----
 src/modules/webview/WebViewConfig.h.in |  7 +++++
 src/modules/webview/WebViewStep.cpp    | 18 ++++++++++-
 src/modules/webview/WebViewStep.h      | 13 ++++++--
 4 files changed, 69 insertions(+), 10 deletions(-)
 create mode 100644 src/modules/webview/WebViewConfig.h.in

diff --git a/src/modules/webview/CMakeLists.txt b/src/modules/webview/CMakeLists.txt
index eb5c81a68..c4b0107a3 100644
--- a/src/modules/webview/CMakeLists.txt
+++ b/src/modules/webview/CMakeLists.txt
@@ -1,11 +1,42 @@
-find_package( Qt5 ${QT_VERSION} CONFIG REQUIRED WebKit WebKitWidgets )
+list( APPEND CALA_WEBVIEW_INCLUDE_DIRECTORIES
+    ${PROJECT_BINARY_DIR}/src/libcalamaresui
+)
+list( APPEND CALA_WEBVIEW_LINK_LIBRARIES
+    calamaresui
+)
 
-include_directories( ${PROJECT_BINARY_DIR}/src/libcalamaresui
-                     ${QT_QTWEBKIT_INCLUDE_DIR} )
+
+if ( Qt5Core_VERSION VERSION_LESS 5.6 )
+    find_package( Qt5 ${QT_VERSION} CONFIG REQUIRED WebKit WebKitWidgets )
+
+    list( APPEND CALA_WEBVIEW_INCLUDE_DIRECTORIES
+        ${QT_QTWEBKIT_INCLUDE_DIR}
+    )
+    list( APPEND CALA_WEBVIEW_LINK_LIBRARIES
+        Qt5::WebKit
+        Qt5::WebKitWidgets
+    )
+    set( WEBVIEW_WITH_WEBKIT 1 )
+else()
+    find_package( Qt5 ${QT_VERSION} CONFIG REQUIRED WebEngine WebEngineWidgets )
+
+    list( APPEND CALA_WEBVIEW_INCLUDE_DIRECTORIES
+        ${QT_QTWEBENGINE_INCLUDE_DIR}
+    )
+    list( APPEND CALA_WEBVIEW_LINK_LIBRARIES
+        Qt5::WebEngine
+        Qt5::WebEngineWidgets
+    )
+    set( WEBVIEW_WITH_WEBENGINE 1 )
+endif()
+
+include_directories( ${CALA_WEBVIEW_INCLUDE_DIRECTORIES} )
 
 set( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
                        ${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules )
 
+configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/WebViewConfig.h.in
+                ${CMAKE_CURRENT_BINARY_DIR}/WebViewConfig.h )
 
 calamares_add_plugin( webview
     TYPE viewmodule
@@ -13,8 +44,6 @@ calamares_add_plugin( webview
     SOURCES
         WebViewStep.cpp
     LINK_LIBRARIES
-        calamaresui
-        Qt5::WebKit
-        Qt5::WebKitWidgets
+        ${CALA_WEBVIEW_LINK_LIBRARIES}
     SHARED_LIB
 )
diff --git a/src/modules/webview/WebViewConfig.h.in b/src/modules/webview/WebViewConfig.h.in
new file mode 100644
index 000000000..6611e44c0
--- /dev/null
+++ b/src/modules/webview/WebViewConfig.h.in
@@ -0,0 +1,7 @@
+#ifndef CALAMARESWEBVIEWCONFIG_H
+#define CALAMARESWEBVIEWCONFIG_H
+
+#cmakedefine WEBVIEW_WITH_WEBENGINE
+#cmakedefine WEBVIEW_WITH_WEBKIT
+
+#endif // CALAMARESWEBVIEWCONFIG_H
diff --git a/src/modules/webview/WebViewStep.cpp b/src/modules/webview/WebViewStep.cpp
index 7fa5b5989..b1d50bf7c 100644
--- a/src/modules/webview/WebViewStep.cpp
+++ b/src/modules/webview/WebViewStep.cpp
@@ -1,6 +1,7 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
  *   Copyright 2015, Rohan Garg <rohan@garg.io>
+ *   Copyright 2016, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -19,7 +20,12 @@
 #include "WebViewStep.h"
 
 #include <QVariant>
+
+#ifdef WEBVIEW_WITH_WEBKIT
 #include <QWebView>
+#else
+#include <QWebEngineView>
+#endif
 
 CALAMARES_PLUGIN_FACTORY_DEFINITION( WebViewStepFactory, registerPlugin<WebViewStep>(); )
 
@@ -27,7 +33,17 @@ WebViewStep::WebViewStep( QObject* parent )
     : Calamares::ViewStep( parent )
 {
     emit nextStatusChanged( true );
-    m_view = new QWebView;
+    m_view = new C_QWEBVIEW();
+#ifdef WEBVIEW_WITH_WEBKIT
+    m_view->settings()->setFontFamily( QWebSettings::StandardFont,
+                                       m_view->settings()->
+                                       fontFamily( QWebSettings::SansSerifFont ) );
+    m_view->setRenderHints( QPainter::Antialiasing |
+                            QPainter::TextAntialiasing |
+                            QPainter::HighQualityAntialiasing |
+                            QPainter::SmoothPixmapTransform |
+                            QPainter::NonCosmeticDefaultPen );
+#endif
 }
 
 
diff --git a/src/modules/webview/WebViewStep.h b/src/modules/webview/WebViewStep.h
index af95ea269..9d8405a97 100644
--- a/src/modules/webview/WebViewStep.h
+++ b/src/modules/webview/WebViewStep.h
@@ -1,6 +1,7 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
  *   Copyright 2015, Rohan Garg <rohan@garg.io>
+ *   Copyright 2016, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -19,7 +20,7 @@
 #ifndef WEBVIEWPLUGIN_H
 #define WEBVIEWPLUGIN_H
 
-#include <QObject>
+#include "WebViewConfig.h"
 
 #include <utils/PluginFactory.h>
 #include <viewpages/ViewStep.h>
@@ -28,7 +29,13 @@
 
 #include <QVariantMap>
 
-class QWebView;
+#ifdef WEBVIEW_WITH_WEBKIT
+#define C_QWEBVIEW QWebView
+#else
+#define C_QWEBVIEW QWebEngineView
+#endif
+
+class C_QWEBVIEW;
 
 class PLUGINDLLEXPORT WebViewStep : public Calamares::ViewStep
 {
@@ -57,7 +64,7 @@ public:
     void setConfigurationMap( const QVariantMap& configurationMap ) override;
 
 private:
-    QWebView *m_view;
+    C_QWEBVIEW *m_view;
     QString m_url;
     QString m_prettyName;
 };