From 5555afd6ce01bc9891ee33b075cc53f4fa48665e Mon Sep 17 00:00:00 2001
From: Jake Petroules <jake.petroules@theqtcompany.com>
Date: Sat, 5 Sep 2015 19:14:17 -0700
Subject: Emit a signal when the rendering process exits.

This allows users to implement a "sad tab" feature and/or track
rendering process crashes using a crash reporting service.

Task-number: QTBUG-48227
Change-Id: I97ef934fe5d0912cd0f41967a39052316b3c66b0
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
---
 .../webengine/quicknanobrowser/BrowserWindow.qml   | 29 ++++++++++++++++++++++
 .../webenginewidgets/demobrowser/demobrowser.pro   |  1 +
 examples/webenginewidgets/demobrowser/webview.cpp  | 22 ++++++++++++++++
 3 files changed, 52 insertions(+)

(limited to 'examples')

diff --git a/examples/webengine/quicknanobrowser/BrowserWindow.qml b/examples/webengine/quicknanobrowser/BrowserWindow.qml
index bdee68d17..4d7513fae 100644
--- a/examples/webengine/quicknanobrowser/BrowserWindow.qml
+++ b/examples/webengine/quicknanobrowser/BrowserWindow.qml
@@ -393,6 +393,35 @@ ApplicationWindow {
                     }
                     request.accept()
                 }
+
+                onRenderProcessTerminated: {
+                    var status = ""
+                    switch (terminationStatus) {
+                    case WebEngineView.NormalTerminationStatus:
+                        status = "(normal exit)"
+                        break;
+                    case WebEngineView.AbnormalTerminationStatus:
+                        status = "(abnormal exit)"
+                        break;
+                    case WebEngineView.CrashedTerminationStatus:
+                        status = "(crashed)"
+                        break;
+                    case WebEngineView.KilledTerminationStatus:
+                        status = "(killed)"
+                        break;
+                    }
+
+                    print("Render process exited with code " + exitCode + " " + status)
+                    reloadTimer.running = true
+                }
+
+                Timer {
+                    id: reloadTimer
+                    interval: 0
+                    running: false
+                    repeat: false
+                    onTriggered: currentWebView.reload()
+                }
             }
         }
     }
diff --git a/examples/webenginewidgets/demobrowser/demobrowser.pro b/examples/webenginewidgets/demobrowser/demobrowser.pro
index 310aea59c..0893fe649 100644
--- a/examples/webenginewidgets/demobrowser/demobrowser.pro
+++ b/examples/webenginewidgets/demobrowser/demobrowser.pro
@@ -1,6 +1,7 @@
 TEMPLATE = app
 TARGET = demobrowser
 QT += webenginewidgets network widgets printsupport
+CONFIG += c++11
 
 qtHaveModule(uitools):!embedded: QT += uitools
 else: DEFINES += QT_NO_UITOOLS
diff --git a/examples/webenginewidgets/demobrowser/webview.cpp b/examples/webenginewidgets/demobrowser/webview.cpp
index e454f06c4..c12f3db36 100644
--- a/examples/webenginewidgets/demobrowser/webview.cpp
+++ b/examples/webenginewidgets/demobrowser/webview.cpp
@@ -66,6 +66,7 @@
 
 #include <QtCore/QDebug>
 #include <QtCore/QBuffer>
+#include <QtCore/QTimer>
 
 WebPage::WebPage(QWebEngineProfile *profile, QObject *parent)
     : QWebEnginePage(profile, parent)
@@ -341,6 +342,27 @@ WebView::WebView(QWidget* parent)
             this, SLOT(setProgress(int)));
     connect(this, SIGNAL(loadFinished(bool)),
             this, SLOT(loadFinished(bool)));
+    connect(this, &QWebEngineView::renderProcessTerminated,
+            [=](QWebEnginePage::RenderProcessTerminationStatus termStatus, int statusCode) {
+        const char *status = "";
+        switch (termStatus) {
+        case QWebEnginePage::NormalTerminationStatus:
+            status = "(normal exit)";
+            break;
+        case QWebEnginePage::AbnormalTerminationStatus:
+            status = "(abnormal exit)";
+            break;
+        case QWebEnginePage::CrashedTerminationStatus:
+            status = "(crashed)";
+            break;
+        case QWebEnginePage::KilledTerminationStatus:
+            status = "(killed)";
+            break;
+        }
+
+        qInfo() << "Render process exited with code" << statusCode << status;
+        QTimer::singleShot(0, [this] { reload(); });
+    });
 }
 
 void WebView::setPage(WebPage *_page)
-- 
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