8 files changed, 59 insertions, 7 deletions
diff --git a/src/core/api/qwebenginefilesystemaccessrequest.cpp b/src/core/api/qwebenginefilesystemaccessrequest.cpp
index 6527e1766..3f901b671 100644
--- a/src/core/api/qwebenginefilesystemaccessrequest.cpp
+++ b/src/core/api/qwebenginefilesystemaccessrequest.cpp
@@ -27,6 +27,25 @@ QT_BEGIN_NAMESPACE
     either call accept() or reject().
 */
 
+/*!
+   \enum QWebEngineFileSystemAccessRequest::AccessFlag
+
+   This enum describes the type of the requested access: read, write or both. The options
+   can be OR-ed together from the following list:
+
+   \value Read
+   \value Write
+*/
+
+/*!
+   \enum QWebEngineFileSystemAccessRequest::HandleType
+
+   This enum describes the type of the requested file system entry.
+
+   \value File
+   \value Directory
+*/
+
 QWebEngineFileSystemAccessRequest::QWebEngineFileSystemAccessRequest(
         const QWebEngineFileSystemAccessRequest &other) = default;
 QWebEngineFileSystemAccessRequest &QWebEngineFileSystemAccessRequest::operator=(
diff --git a/src/core/api/qwebenginemessagepumpscheduler.cpp b/src/core/api/qwebenginemessagepumpscheduler.cpp
index 62244c787..a435e2c0c 100644
--- a/src/core/api/qwebenginemessagepumpscheduler.cpp
+++ b/src/core/api/qwebenginemessagepumpscheduler.cpp
@@ -11,9 +11,14 @@ QWebEngineMessagePumpScheduler::QWebEngineMessagePumpScheduler(std::function<voi
     : m_callback(std::move(callback))
 {}
 
-void QWebEngineMessagePumpScheduler::scheduleWork()
+void QWebEngineMessagePumpScheduler::scheduleImmediateWork()
 {
-    QCoreApplication::postEvent(this, new QTimerEvent(0));
+    QCoreApplication::postEvent(this, new QTimerEvent(0), Qt::NormalEventPriority);
+}
+
+void QWebEngineMessagePumpScheduler::scheduleIdleWork()
+{
+    QCoreApplication::postEvent(this, new QTimerEvent(0), Qt::LowEventPriority);
 }
 
 void QWebEngineMessagePumpScheduler::scheduleDelayedWork(int delay)
diff --git a/src/core/api/qwebenginemessagepumpscheduler_p.h b/src/core/api/qwebenginemessagepumpscheduler_p.h
index 7e84b4190..4ec7ef125 100644
--- a/src/core/api/qwebenginemessagepumpscheduler_p.h
+++ b/src/core/api/qwebenginemessagepumpscheduler_p.h
@@ -28,7 +28,8 @@ class Q_WEBENGINECORE_PRIVATE_EXPORT QWebEngineMessagePumpScheduler : public QOb
     Q_OBJECT
 public:
     QWebEngineMessagePumpScheduler(std::function<void()> callback);
-    void scheduleWork();
+    void scheduleImmediateWork();
+    void scheduleIdleWork();
     void scheduleDelayedWork(int delay);
 
 protected:
diff --git a/src/core/api/qwebenginepage.cpp b/src/core/api/qwebenginepage.cpp
index 53930bc67..78021248c 100644
--- a/src/core/api/qwebenginepage.cpp
+++ b/src/core/api/qwebenginepage.cpp
@@ -510,6 +510,15 @@ void QWebEnginePagePrivate::runRegisterProtocolHandlerRequest(QWebEngineRegister
     Q_EMIT q->registerProtocolHandlerRequested(request);
 }
 
+/*!
+    \fn void QWebEnginePage::fileSystemAccessRequested(QWebEngineFileSystemAccessRequest request)
+    \since 6.4
+
+    This signal is emitted when the web page requests access to local files or directories.
+
+    The request object \a request can be used to accept or reject the request.
+*/
+
 void QWebEnginePagePrivate::runFileSystemAccessRequest(QWebEngineFileSystemAccessRequest request)
 {
     Q_Q(QWebEnginePage);
@@ -1504,7 +1513,7 @@ void QWebEnginePagePrivate::contextMenuRequested(QWebEngineContextMenuRequest *d
 }
 
 /*!
-    \fn bool QWebEnginePage::navigationRequested(QWebEngineNavigationRequest &request)
+    \fn void QWebEnginePage::navigationRequested(QWebEngineNavigationRequest &request)
     \since 6.2
 
     This signal is emitted on navigation together with the call the acceptNavigationRequest().
@@ -1645,6 +1654,17 @@ void QWebEnginePagePrivate::setToolTip(const QString &toolTipText)
         view->setToolTip(toolTipText);
 }
 
+/*!
+    \fn void QWebEnginePage::printRequested()
+    \since 5.12
+
+    This signal is emitted when the JavaScript \c{window.print()} method is called or the user pressed the print
+    button of PDF viewer plugin.
+    Typically, the signal handler can simply call printToPdf().
+
+    \sa printToPdf()
+*/
+
 void QWebEnginePagePrivate::printRequested()
 {
     Q_Q(QWebEnginePage);
diff --git a/src/core/browser_main_parts_qt.cpp b/src/core/browser_main_parts_qt.cpp
index e58822c29..93522d239 100644
--- a/src/core/browser_main_parts_qt.cpp
+++ b/src/core/browser_main_parts_qt.cpp
@@ -50,6 +50,7 @@
 #include "web_engine_context.h"
 #include "web_usb_detector_qt.h"
 
+#include <QDeadlineTimer>
 #include <QtGui/qtgui-config.h>
 #include <QStandardPaths>
 
@@ -120,7 +121,7 @@ public:
     {
         // NOTE: This method may called from any thread at any time.
         ensureDelegate();
-        m_scheduler.scheduleWork();
+        m_scheduler.scheduleImmediateWork();
     }
 
     void ScheduleDelayedWork(const Delegate::NextWorkInfo &next_work_info) override
@@ -193,13 +194,16 @@ private:
     {
         ScopedGLContextChecker glContextChecker;
 
+        QDeadlineTimer timer(std::chrono::milliseconds(2));
         base::MessagePump::Delegate::NextWorkInfo more_work_info = m_delegate->DoWork();
+        while (more_work_info.is_immediate() && !timer.hasExpired())
+            more_work_info = m_delegate->DoWork();
 
         if (more_work_info.is_immediate())
-            return ScheduleWork();
+            return m_scheduler.scheduleImmediateWork();
 
         if (m_delegate->DoIdleWork())
-            return ScheduleWork();
+            return m_scheduler.scheduleIdleWork();
 
         ScheduleDelayedWork(more_work_info.delayed_run_time);
     }
diff --git a/src/core/doc/src/qtwebengine-deploying.qdoc b/src/core/doc/src/qtwebengine-deploying.qdoc
index 7504965e3..625570fee 100644
--- a/src/core/doc/src/qtwebengine-deploying.qdoc
+++ b/src/core/doc/src/qtwebengine-deploying.qdoc
@@ -4,6 +4,7 @@
 /*!
     \page qtwebengine-deploying.html
     \title Deploying Qt WebEngine Applications
+    \ingroup explanations-webtechnologies
 
     The way to package and deploy applications varies between operating systems.
     For Windows and \macos, \l{The Windows Deployment Tool}{windeployqt} and
diff --git a/src/core/doc/src/qtwebengine-features.qdoc b/src/core/doc/src/qtwebengine-features.qdoc
index 11de95d44..29e7b0f06 100644
--- a/src/core/doc/src/qtwebengine-features.qdoc
+++ b/src/core/doc/src/qtwebengine-features.qdoc
@@ -4,6 +4,7 @@
 /*!
     \page qtwebengine-features.html
     \title Qt WebEngine Features
+    \ingroup explanations-webtechnologies
 
     \brief Summarizes \QWE features.
 
diff --git a/src/core/doc/src/qtwebengine-overview.qdoc b/src/core/doc/src/qtwebengine-overview.qdoc
index b1e8ee3da..6eccc669e 100644
--- a/src/core/doc/src/qtwebengine-overview.qdoc
+++ b/src/core/doc/src/qtwebengine-overview.qdoc
@@ -4,6 +4,7 @@
 /*!
     \page qtwebengine-overview.html
     \title Qt WebEngine Overview
+    \ingroup explanations-webtechnologies
 
     The \QWE module provides a web browser engine that makes it easy to embed content from
     the World Wide Web into your Qt application on platforms that do not have a native web engine.