dev-qt/qtwebengine: Import from fkmclane overlay

Package-Manager: portage-2.2.24

5 files changed, 630 insertions, 0 deletions

diff --git a/dev-qt/qtwebengine/Manifest b/dev-qt/qtwebengine/Manifest
new file mode 100644
index 0000000..790f57e
--- /dev/null
+++ b/dev-qt/qtwebengine/Manifest
@@ -0,0 +1 @@
+DIST qtwebengine-opensource-src-5.5.1.tar.xz 122819856 SHA256 7c4d328dd305991aaf0c3450615f4a8e5d80152194bee6f5925bd8d3477e2b90 SHA512 70509071a74f68eb5b14ee4532adf51e6a9c26b9ee4cae9e7d835324f3a9955ac41864a74c7d5d4bdf894f6abf78c338f1f9f82081f369ee0a7313ac1f187525 WHIRLPOOL f3e2d31ad449bcd99aa502ee44374afb6118f8499baac3967c291a3b5f012054cfa75b19a297eecb2c12bf8b566d49b82292f46339d0205996884d54fa979787
diff --git a/dev-qt/qtwebengine/files/0001-qtwebengine-Add-a-backgroundColor-property.patch b/dev-qt/qtwebengine/files/0001-qtwebengine-Add-a-backgroundColor-property.patch
new file mode 100644
index 0000000..dba877e
--- /dev/null
+++ b/dev-qt/qtwebengine/files/0001-qtwebengine-Add-a-backgroundColor-property.patch
@@ -0,0 +1,532 @@
+From 3adadda878f63fcca6892c49c4ddc82143d59b66 Mon Sep 17 00:00:00 2001
+From: Jocelyn Turcotte <jturcotte@woboq.com>
+Date: Thu, 9 Jul 2015 21:52:43 +0200
+Subject: [PATCH] Add a backgroundColor property
+
+This also allows setting a transparent color to see through
+the web view's body if its background color isn't specified.
+
+The color is initially held by the top API view and is pulled
+by the WebContentsAdapter in order to set it on the RenderView.
+Since both blink and our local compositors (in the QOpenGLWidget
+case) need to know about this color, RWHVQt takes care of pushing
+it to both. The former through an IPC message and the latter
+directly on the RWHVQtDelegate.
+
+Task-number: QTBUG-41960
+Change-Id: Ie13317b2d087f5612ad9c5fb0e05ca3e91aec9af
+Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
+Reviewed-by: Andras Becsi <andras.becsi@theqtcompany.com>
+---
+ qtwebengine/src/core/common/qt_messages.h                      |  3 ++
+ qtwebengine/src/core/render_widget_host_view_qt.cpp            |  9 ++++++
+ qtwebengine/src/core/render_widget_host_view_qt.h              |  1 +
+ qtwebengine/src/core/render_widget_host_view_qt_delegate.h     |  1 +
+ qtwebengine/src/core/renderer/qt_render_view_observer.cpp      |  6 ++++
+ qtwebengine/src/core/renderer/qt_render_view_observer.h        |  1 +
+ qtwebengine/src/core/type_conversion.h                         |  5 ++++
+ qtwebengine/src/core/web_contents_adapter.cpp                  |  7 +++++
+ qtwebengine/src/core/web_contents_adapter.h                    |  1 +
+ qtwebengine/src/core/web_contents_adapter_client.h             |  1 +
+ qtwebengine/src/core/web_contents_view_qt.cpp                  |  7 +++++
+ qtwebengine/src/core/web_contents_view_qt.h                    |  2 +-
+ qtwebengine/src/webengine/api/qquickwebengineview.cpp          | 34 ++++++++++++++++++++++
+ qtwebengine/src/webengine/api/qquickwebengineview_p.h          |  5 +++-
+ qtwebengine/src/webengine/api/qquickwebengineview_p_p.h        |  2 ++
+ .../render_widget_host_view_qt_delegate_quick.h    |  2 ++
+ ...nder_widget_host_view_qt_delegate_quickwindow.h |  1 +
+ qtwebengine/src/webenginewidgets/api/qwebenginepage.cpp        | 33 +++++++++++++++++++++
+ qtwebengine/src/webenginewidgets/api/qwebenginepage.h          |  3 ++
+ qtwebengine/src/webenginewidgets/api/qwebenginepage_p.h        |  2 ++
+ .../render_widget_host_view_qt_delegate_widget.cpp | 16 +++++++++-
+ .../render_widget_host_view_qt_delegate_widget.h   |  2 ++
+ 22 files changed, 141 insertions(+), 3 deletions(-)
+
+diff --git a/qtwebengine/src/core/common/qt_messages.h b/src/core/common/qt_messages.h
+index c692ee5..25a995b 100644
+--- a/qtwebengine/src/core/common/qt_messages.h
++++ b/qtwebengine/src/core/common/qt_messages.h
+@@ -31,6 +31,9 @@ IPC_MESSAGE_ROUTED1(QtRenderViewObserver_FetchDocumentMarkup,
+ IPC_MESSAGE_ROUTED1(QtRenderViewObserver_FetchDocumentInnerText,
+                     uint64 /* requestId */)
+ 
++IPC_MESSAGE_ROUTED1(QtRenderViewObserver_SetBackgroundColor,
++                    uint32 /* color */)
++
+ IPC_MESSAGE_ROUTED1(WebChannelIPCTransport_Message, std::vector<char> /*binaryJSON*/)
+ 
+ // User scripts messages
+diff --git a/qtwebengine/src/core/render_widget_host_view_qt.cpp b/src/core/render_widget_host_view_qt.cpp
+index 572bc34..20b41bc 100644
+--- a/qtwebengine/src/core/render_widget_host_view_qt.cpp
++++ b/qtwebengine/src/core/render_widget_host_view_qt.cpp
+@@ -36,6 +36,7 @@
+ 
+ #include "render_widget_host_view_qt.h"
+ 
++#include "common/qt_messages.h"
+ #include "browser_accessibility_manager_qt.h"
+ #include "browser_accessibility_qt.h"
+ #include "chromium_overrides.h"
+@@ -408,6 +409,14 @@ gfx::Rect RenderWidgetHostViewQt::GetViewBounds() const
+     return gfx::BoundingRect(p1, p2);
+ }
+ 
++void RenderWidgetHostViewQt::SetBackgroundColor(SkColor color) {
++    RenderWidgetHostViewBase::SetBackgroundColor(color);
++    // Set the background of the compositor if necessary
++    m_delegate->setClearColor(toQt(color));
++    // Set the background of the blink::FrameView
++    m_host->Send(new QtRenderViewObserver_SetBackgroundColor(m_host->GetRoutingID(), color));
++}
++
+ // Return value indicates whether the mouse is locked successfully or not.
+ bool RenderWidgetHostViewQt::LockMouse()
+ {
+diff --git a/qtwebengine/src/core/render_widget_host_view_qt.h b/src/core/render_widget_host_view_qt.h
+index 248c52f..2724292 100644
+--- a/qtwebengine/src/core/render_widget_host_view_qt.h
++++ b/qtwebengine/src/core/render_widget_host_view_qt.h
+@@ -125,6 +125,7 @@ public:
+     virtual void Hide() Q_DECL_OVERRIDE;
+     virtual bool IsShowing() Q_DECL_OVERRIDE;
+     virtual gfx::Rect GetViewBounds() const Q_DECL_OVERRIDE;
++    virtual void SetBackgroundColor(SkColor color) Q_DECL_OVERRIDE;
+     virtual bool LockMouse() Q_DECL_OVERRIDE;
+     virtual void UnlockMouse() Q_DECL_OVERRIDE;
+     virtual void WasShown() Q_DECL_OVERRIDE;
+diff --git a/qtwebengine/src/core/render_widget_host_view_qt_delegate.h b/src/core/render_widget_host_view_qt_delegate.h
+index da595b9..f4aa9b2 100644
+--- a/qtwebengine/src/core/render_widget_host_view_qt_delegate.h
++++ b/qtwebengine/src/core/render_widget_host_view_qt_delegate.h
+@@ -96,6 +96,7 @@ public:
+     virtual void move(const QPoint &) = 0;
+     virtual void inputMethodStateChanged(bool editorVisible) = 0;
+     virtual void setTooltip(const QString &) = 0;
++    virtual void setClearColor(const QColor &color) = 0;
+ };
+ 
+ } // namespace QtWebEngineCore
+diff --git a/qtwebengine/src/core/renderer/qt_render_view_observer.cpp b/src/core/renderer/qt_render_view_observer.cpp
+index 83534da..ba91e54 100644
+--- a/qtwebengine/src/core/renderer/qt_render_view_observer.cpp
++++ b/qtwebengine/src/core/renderer/qt_render_view_observer.cpp
+@@ -65,6 +65,11 @@ void QtRenderViewObserver::onFetchDocumentInnerText(quint64 requestId)
+         render_view()->GetWebView()->mainFrame()->contentAsText(std::numeric_limits<std::size_t>::max())));
+ }
+ 
++void QtRenderViewObserver::onSetBackgroundColor(quint32 color)
++{
++    render_view()->GetWebView()->setBaseBackgroundColor(color);
++}
++
+ void QtRenderViewObserver::OnFirstVisuallyNonEmptyLayout()
+ {
+     Send(new QtRenderViewObserverHost_DidFirstVisuallyNonEmptyLayout(routing_id()));
+@@ -76,6 +81,7 @@ bool QtRenderViewObserver::OnMessageReceived(const IPC::Message& message)
+     IPC_BEGIN_MESSAGE_MAP(QtRenderViewObserver, message)
+         IPC_MESSAGE_HANDLER(QtRenderViewObserver_FetchDocumentMarkup, onFetchDocumentMarkup)
+         IPC_MESSAGE_HANDLER(QtRenderViewObserver_FetchDocumentInnerText, onFetchDocumentInnerText)
++        IPC_MESSAGE_HANDLER(QtRenderViewObserver_SetBackgroundColor, onSetBackgroundColor)
+         IPC_MESSAGE_UNHANDLED(handled = false)
+     IPC_END_MESSAGE_MAP()
+     return handled;
+diff --git a/qtwebengine/src/core/renderer/qt_render_view_observer.h b/src/core/renderer/qt_render_view_observer.h
+index cb77cd0..3f7829a 100644
+--- a/qtwebengine/src/core/renderer/qt_render_view_observer.h
++++ b/qtwebengine/src/core/renderer/qt_render_view_observer.h
+@@ -47,6 +47,7 @@ public:
+ private:
+     void onFetchDocumentMarkup(quint64 requestId);
+     void onFetchDocumentInnerText(quint64 requestId);
++    void onSetBackgroundColor(quint32 color);
+ 
+     void OnFirstVisuallyNonEmptyLayout() Q_DECL_OVERRIDE;
+ 
+diff --git a/qtwebengine/src/core/type_conversion.h b/src/core/type_conversion.h
+index 66fcd4d..f1bf54b 100644
+--- a/qtwebengine/src/core/type_conversion.h
++++ b/qtwebengine/src/core/type_conversion.h
+@@ -122,6 +122,11 @@ inline QColor toQt(const SkColor &c)
+     return QColor(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), SkColorGetA(c));
+ }
+ 
++inline SkColor toSk(const QColor &c)
++{
++    return c.rgba();
++}
++
+ inline QMatrix4x4 toQt(const SkMatrix44 &m)
+ {
+     QMatrix4x4 qtMatrix(
+diff --git a/qtwebengine/src/core/web_contents_adapter.cpp b/src/core/web_contents_adapter.cpp
+index 8c13035..0c5b6ca 100644
+--- a/qtwebengine/src/core/web_contents_adapter.cpp
++++ b/qtwebengine/src/core/web_contents_adapter.cpp
+@@ -837,6 +837,13 @@ void WebContentsAdapter::filesSelectedInChooser(const QStringList &fileList, Web
+     rvh->FilesSelectedInChooser(toVector<content::FileChooserFileInfo>(files), static_cast<content::FileChooserParams::Mode>(mode));
+ }
+ 
++void WebContentsAdapter::backgroundColorChanged()
++{
++    Q_D(WebContentsAdapter);
++    if (content::RenderWidgetHostView *rwhv = d->webContents->GetRenderWidgetHostView())
++        rwhv->SetBackgroundColor(toSk(d->adapterClient->backgroundColor()));
++}
++
+ content::WebContents *WebContentsAdapter::webContents() const
+ {
+     Q_D(const WebContentsAdapter);
+diff --git a/qtwebengine/src/core/web_contents_adapter.h b/src/core/web_contents_adapter.h
+index 5ea55c1..929967a 100644
+--- a/qtwebengine/src/core/web_contents_adapter.h
++++ b/qtwebengine/src/core/web_contents_adapter.h
+@@ -120,6 +120,7 @@ public:
+     void grantMouseLockPermission(bool granted);
+ 
+     void dpiScaleChanged();
++    void backgroundColorChanged();
+     QAccessibleInterface *browserAccessible();
+     BrowserContextQt* browserContext();
+     BrowserContextAdapter* browserContextAdapter();
+diff --git a/qtwebengine/src/core/web_contents_adapter_client.h b/src/core/web_contents_adapter_client.h
+index 3ed3ab9..acf3095 100644
+--- a/qtwebengine/src/core/web_contents_adapter_client.h
++++ b/qtwebengine/src/core/web_contents_adapter_client.h
+@@ -152,6 +152,7 @@ public:
+     virtual void selectionChanged() = 0;
+     virtual QRectF viewportRect() const = 0;
+     virtual qreal dpiScale() const = 0;
++    virtual QColor backgroundColor() const = 0;
+     virtual void loadStarted(const QUrl &provisionalUrl, bool isErrorPage = false) = 0;
+     virtual void loadCommitted() = 0;
+     virtual void loadVisuallyCommitted() = 0;
+diff --git a/qtwebengine/src/core/web_contents_view_qt.cpp b/src/core/web_contents_view_qt.cpp
+index 9321706..f40bf8f 100644
+--- a/qtwebengine/src/core/web_contents_view_qt.cpp
++++ b/qtwebengine/src/core/web_contents_view_qt.cpp
+@@ -81,6 +81,13 @@ content::RenderWidgetHostViewBase* WebContentsViewQt::CreateViewForPopupWidget(c
+     return view;
+ }
+ 
++void WebContentsViewQt::RenderViewCreated(content::RenderViewHost* host)
++{
++    // The render process is done creating the RenderView and it's ready to be routed
++    // messages at this point.
++    host->GetView()->SetBackgroundColor(toSk(m_client->backgroundColor()));
++}
++
+ void WebContentsViewQt::CreateView(const gfx::Size& initial_size, gfx::NativeView context)
+ {
+     // This is passed through content::WebContents::CreateParams::context either as the native view's client
+diff --git a/qtwebengine/src/core/web_contents_view_qt.h b/src/core/web_contents_view_qt.h
+index 896955f..3ede530 100644
+--- a/qtwebengine/src/core/web_contents_view_qt.h
++++ b/qtwebengine/src/core/web_contents_view_qt.h
+@@ -75,7 +75,7 @@ public:
+ 
+     virtual void SetPageTitle(const base::string16& title) Q_DECL_OVERRIDE { }
+ 
+-    virtual void RenderViewCreated(content::RenderViewHost* host) Q_DECL_OVERRIDE { QT_NOT_YET_IMPLEMENTED }
++    virtual void RenderViewCreated(content::RenderViewHost* host) Q_DECL_OVERRIDE;
+ 
+     virtual void RenderViewSwappedIn(content::RenderViewHost* host) Q_DECL_OVERRIDE { QT_NOT_YET_IMPLEMENTED }
+ 
+diff --git a/qtwebengine/src/webengine/api/qquickwebengineview.cpp b/src/webengine/api/qquickwebengineview.cpp
+index 7405cae..c57d8d1 100644
+--- a/qtwebengine/src/webengine/api/qquickwebengineview.cpp
++++ b/qtwebengine/src/webengine/api/qquickwebengineview.cpp
+@@ -104,6 +104,7 @@ QQuickWebEngineViewPrivate::QQuickWebEngineViewPrivate()
+     , isLoading(false)
+     , devicePixelRatio(QGuiApplication::primaryScreen()->devicePixelRatio())
+     , m_dpiScale(1.0)
++    , m_backgroundColor(Qt::white)
+ {
+     // The gold standard for mobile web content is 160 dpi, and the devicePixelRatio expected
+     // is the (possibly quantized) ratio of device dpi to 160 dpi.
+@@ -310,6 +311,11 @@ qreal QQuickWebEngineViewPrivate::dpiScale() const
+     return m_dpiScale;
+ }
+ 
++QColor QQuickWebEngineViewPrivate::backgroundColor() const
++{
++    return m_backgroundColor;
++}
++
+ void QQuickWebEngineViewPrivate::loadStarted(const QUrl &provisionalUrl, bool isErrorPage)
+ {
+     Q_Q(QQuickWebEngineView);
+@@ -858,6 +864,34 @@ qreal QQuickWebEngineView::zoomFactor() const
+     return d->adapter->currentZoomFactor();
+ }
+ 
++/*!
++    \qmlproperty bool WebEngineView::backgroundColor
++    \since QtWebEngine 1.3
++
++    Sets this property to change the color of the WebEngineView's background,
++    behing the document's body. You can set it to "transparent" or to a translucent
++    color to see through the document, or you can set this color to match your
++    web content in an hybrid app to prevent the white flashes that may appear
++    during loading.
++
++    The default value is white.
++*/
++QColor QQuickWebEngineView::backgroundColor() const
++{
++    Q_D(const QQuickWebEngineView);
++    return d->m_backgroundColor;
++}
++
++void QQuickWebEngineView::setBackgroundColor(const QColor &color)
++{
++    Q_D(QQuickWebEngineView);
++    if (color == d->m_backgroundColor)
++        return;
++    d->m_backgroundColor = color;
++    d->ensureContentsAdapter();
++    d->adapter->backgroundColorChanged();
++    emit backgroundColorChanged();
++}
+ 
+ bool QQuickWebEngineView::isFullScreen() const
+ {
+diff --git a/qtwebengine/src/webengine/api/qquickwebengineview_p.h b/src/webengine/api/qquickwebengineview_p.h
+index 40299c1..362c3a2 100644
+--- a/qtwebengine/src/webengine/api/qquickwebengineview_p.h
++++ b/qtwebengine/src/webengine/api/qquickwebengineview_p.h
+@@ -89,6 +89,7 @@ class Q_WEBENGINE_PRIVATE_EXPORT QQuickWebEngineView : public QQuickItem {
+     Q_PROPERTY(QQuickWebEngineHistory *navigationHistory READ navigationHistory CONSTANT FINAL REVISION 1)
+     Q_PROPERTY(QQmlWebChannel *webChannel READ webChannel WRITE setWebChannel NOTIFY webChannelChanged REVISION 1)
+     Q_PROPERTY(QQmlListProperty<QQuickWebEngineScript> userScripts READ userScripts FINAL REVISION 1)
++    Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged REVISION 1)
+ 
+ #ifdef ENABLE_QML_TESTSUPPORT_API
+     Q_PROPERTY(QQuickWebEngineTestSupport *testSupport READ testSupport WRITE setTestSupport FINAL)
+@@ -118,6 +119,8 @@ public:
+     bool isFullScreen() const;
+     qreal zoomFactor() const;
+     void setZoomFactor(qreal arg);
++    QColor backgroundColor() const;
++    void setBackgroundColor(const QColor &color);
+ 
+     QQuickWebEngineViewExperimental *experimental() const;
+ 
+@@ -230,7 +233,7 @@ Q_SIGNALS:
+     Q_REVISION(1) void zoomFactorChanged(qreal arg);
+     Q_REVISION(1) void profileChanged();
+     Q_REVISION(1) void webChannelChanged();
+-
++    Q_REVISION(1) void backgroundColorChanged();
+ 
+ protected:
+     void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
+diff --git a/qtwebengine/src/webengine/api/qquickwebengineview_p_p.h b/src/webengine/api/qquickwebengineview_p_p.h
+index edc8c1a..3bfed2f 100644
+--- a/qtwebengine/src/webengine/api/qquickwebengineview_p_p.h
++++ b/qtwebengine/src/webengine/api/qquickwebengineview_p_p.h
+@@ -123,6 +123,7 @@ public:
+     virtual void selectionChanged() Q_DECL_OVERRIDE { }
+     virtual QRectF viewportRect() const Q_DECL_OVERRIDE;
+     virtual qreal dpiScale() const Q_DECL_OVERRIDE;
++    virtual QColor backgroundColor() const Q_DECL_OVERRIDE;
+     virtual void loadStarted(const QUrl &provisionalUrl, bool isErrorPage = false) Q_DECL_OVERRIDE;
+     virtual void loadCommitted() Q_DECL_OVERRIDE;
+     virtual void loadVisuallyCommitted() Q_DECL_OVERRIDE;
+@@ -192,6 +193,7 @@ private:
+     QScopedPointer<QtWebEngineCore::UIDelegatesManager> m_uIDelegatesManager;
+     QList<QQuickWebEngineScript *> m_userScripts;
+     qreal m_dpiScale;
++    QColor m_backgroundColor;
+ };
+ 
+ #ifndef QT_NO_ACCESSIBILITY
+diff --git a/qtwebengine/src/webengine/render_widget_host_view_qt_delegate_quick.h b/src/webengine/render_widget_host_view_qt_delegate_quick.h
+index ddd0e4d..eb2860b 100644
+--- a/qtwebengine/src/webengine/render_widget_host_view_qt_delegate_quick.h
++++ b/qtwebengine/src/webengine/render_widget_host_view_qt_delegate_quick.h
+@@ -70,6 +70,8 @@ public:
+     virtual void move(const QPoint&) Q_DECL_OVERRIDE { }
+     virtual void inputMethodStateChanged(bool editorVisible) Q_DECL_OVERRIDE;
+     virtual void setTooltip(const QString&) Q_DECL_OVERRIDE { }
++    // The QtQuick view doesn't have a backbuffer of its own and doesn't need this
++    virtual void setClearColor(const QColor &) Q_DECL_OVERRIDE { }
+ 
+ protected:
+     virtual void focusInEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+diff --git a/qtwebengine/src/webengine/render_widget_host_view_qt_delegate_quickwindow.h b/src/webengine/render_widget_host_view_qt_delegate_quickwindow.h
+index cda51a1..a4b0848 100644
+--- a/qtwebengine/src/webengine/render_widget_host_view_qt_delegate_quickwindow.h
++++ b/qtwebengine/src/webengine/render_widget_host_view_qt_delegate_quickwindow.h
+@@ -73,6 +73,7 @@ public:
+     virtual void move(const QPoint &screenPos) Q_DECL_OVERRIDE;
+     virtual void inputMethodStateChanged(bool) Q_DECL_OVERRIDE {}
+     virtual void setTooltip(const QString &tooltip) Q_DECL_OVERRIDE;
++    virtual void setClearColor(const QColor &) Q_DECL_OVERRIDE { }
+ 
+ private:
+     QScopedPointer<RenderWidgetHostViewQtDelegate> m_realDelegate;
+diff --git a/qtwebengine/src/webenginewidgets/api/qwebenginepage.cpp b/src/webenginewidgets/api/qwebenginepage.cpp
+index 1b5a243..1cd7d6a 100644
+--- a/qtwebengine/src/webenginewidgets/api/qwebenginepage.cpp
++++ b/qtwebengine/src/webenginewidgets/api/qwebenginepage.cpp
+@@ -185,6 +185,7 @@ QWebEnginePagePrivate::QWebEnginePagePrivate(QWebEngineProfile *_profile)
+     , view(0)
+     , isLoading(false)
+     , scriptCollection(new QWebEngineScriptCollectionPrivate(browserContextAdapter()->userScriptController(), adapter.data()))
++    , m_backgroundColor(Qt::white)
+ {
+     memset(actions, 0, sizeof(actions));
+ }
+@@ -247,6 +248,11 @@ qreal QWebEnginePagePrivate::dpiScale() const
+     return 1.0;
+ }
+ 
++QColor QWebEnginePagePrivate::backgroundColor() const
++{
++    return m_backgroundColor;
++}
++
+ void QWebEnginePagePrivate::loadStarted(const QUrl &provisionalUrl, bool isErrorPage)
+ {
+     Q_UNUSED(provisionalUrl);
+@@ -531,6 +537,33 @@ void QWebEnginePage::setWebChannel(QWebChannel *channel)
+     d->adapter->setWebChannel(channel);
+ }
+ 
++/*!
++    \property QWebEnginePage::backgroundColor
++    \brief the page's background color, behing the document's body.
++    \since 5.6
++
++    You can set it to Qt::transparent or to a translucent
++    color to see through the document, or you can set this color to match your
++    web content in an hybrid app to prevent the white flashes that may appear
++    during loading.
++
++    The default value is white.
++*/
++QColor QWebEnginePage::backgroundColor() const
++{
++    Q_D(const QWebEnginePage);
++    return d->m_backgroundColor;
++}
++
++void QWebEnginePage::setBackgroundColor(const QColor &color)
++{
++    Q_D(QWebEnginePage);
++    if (d->m_backgroundColor == color)
++        return;
++    d->m_backgroundColor = color;
++    d->adapter->backgroundColorChanged();
++}
++
+ void QWebEnginePage::setView(QWidget *view)
+ {
+     QWebEngineViewPrivate::bind(qobject_cast<QWebEngineView*>(view), this);
+diff --git a/qtwebengine/src/webenginewidgets/api/qwebenginepage.h b/src/webenginewidgets/api/qwebenginepage.h
+index b4cf522..57ed071 100644
+--- a/qtwebengine/src/webenginewidgets/api/qwebenginepage.h
++++ b/qtwebengine/src/webenginewidgets/api/qwebenginepage.h
+@@ -98,6 +98,7 @@ class QWEBENGINEWIDGETS_EXPORT QWebEnginePage : public QObject {
+     Q_PROPERTY(QString title READ title)
+     Q_PROPERTY(QUrl url READ url WRITE setUrl)
+     Q_PROPERTY(QUrl iconUrl READ iconUrl)
++    Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor)
+ 
+ public:
+     enum WebAction {
+@@ -236,6 +237,8 @@ public:
+ 
+     QWebChannel *webChannel() const;
+     void setWebChannel(QWebChannel *);
++    QColor backgroundColor() const;
++    void setBackgroundColor(const QColor &color);
+ 
+ Q_SIGNALS:
+     void loadStarted();
+diff --git a/qtwebengine/src/webenginewidgets/api/qwebenginepage_p.h b/src/webenginewidgets/api/qwebenginepage_p.h
+index 8f45ecd..7d74d3f 100644
+--- a/qtwebengine/src/webenginewidgets/api/qwebenginepage_p.h
++++ b/qtwebengine/src/webenginewidgets/api/qwebenginepage_p.h
+@@ -118,6 +118,7 @@ public:
+     virtual void selectionChanged() Q_DECL_OVERRIDE;
+     virtual QRectF viewportRect() const Q_DECL_OVERRIDE;
+     virtual qreal dpiScale() const Q_DECL_OVERRIDE;
++    virtual QColor backgroundColor() const Q_DECL_OVERRIDE;
+     virtual void loadStarted(const QUrl &provisionalUrl, bool isErrorPage = false) Q_DECL_OVERRIDE;
+     virtual void loadCommitted() Q_DECL_OVERRIDE;
+     virtual void loadVisuallyCommitted() Q_DECL_OVERRIDE { }
+@@ -170,6 +171,7 @@ public:
+     QtWebEngineCore::WebEngineContextMenuData m_menuData;
+     bool isLoading;
+     QWebEngineScriptCollection scriptCollection;
++    QColor m_backgroundColor;
+ 
+     mutable CallbackDirectory m_callbacks;
+     mutable QAction *actions[QWebEnginePage::WebActionCount];
+diff --git a/qtwebengine/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
+index dba37ce..76ca8d3 100644
+--- a/qtwebengine/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
++++ b/qtwebengine/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
+@@ -59,6 +59,7 @@ RenderWidgetHostViewQtDelegateWidget::RenderWidgetHostViewQtDelegateWidget(Rende
+     , m_rootNode(new QSGRootNode)
+     , m_sgEngine(new QSGEngine)
+     , m_isPopup(false)
++    , m_clearColor(Qt::white)
+ {
+     setFocusPolicy(Qt::StrongFocus);
+ 
+@@ -218,6 +219,19 @@ void RenderWidgetHostViewQtDelegateWidget::setTooltip(const QString &tooltip)
+     setToolTip(wrappedTip);
+ }
+ 
++void RenderWidgetHostViewQtDelegateWidget::setClearColor(const QColor &color)
++{
++    m_clearColor = color;
++    // QOpenGLWidget is usually blended by punching holes into widgets
++    // above it to simulate the visual stacking order. If we want it to be
++    // transparent we have to throw away the proper stacking order and always
++    // blend the complete normal widgets backing store under it.
++    bool isTranslucent = color.alpha() < 255;
++    setAttribute(Qt::WA_AlwaysStackOnTop, isTranslucent);
++    setAttribute(Qt::WA_OpaquePaintEvent, !isTranslucent);
++    update();
++}
++
+ QVariant RenderWidgetHostViewQtDelegateWidget::inputMethodQuery(Qt::InputMethodQuery query) const
+ {
+     return m_client->inputMethodQuery(query);
+@@ -270,7 +284,7 @@ void RenderWidgetHostViewQtDelegateWidget::initializeGL()
+     m_sgEngine->initialize(QOpenGLContext::currentContext());
+     m_sgRenderer.reset(m_sgEngine->createRenderer());
+     m_sgRenderer->setRootNode(m_rootNode.data());
+-    m_sgRenderer->setClearColor(Qt::white);
++    m_sgRenderer->setClearColor(m_clearColor);
+ }
+ 
+ void RenderWidgetHostViewQtDelegateWidget::paintGL()
+diff --git a/qtwebengine/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h
+index d0dfdc6..d228bd4 100644
+--- a/qtwebengine/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h
++++ b/qtwebengine/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h
+@@ -78,6 +78,7 @@ public:
+     virtual void move(const QPoint &screenPos) Q_DECL_OVERRIDE;
+     virtual void inputMethodStateChanged(bool editorVisible) Q_DECL_OVERRIDE;
+     virtual void setTooltip(const QString &tooltip) Q_DECL_OVERRIDE;
++    virtual void setClearColor(const QColor &color) Q_DECL_OVERRIDE;
+ 
+ protected:
+     bool event(QEvent *event) Q_DECL_OVERRIDE;
+@@ -98,6 +99,7 @@ private:
+     QScopedPointer<QSGEngine> m_sgEngine;
+     QScopedPointer<QSGAbstractRenderer> m_sgRenderer;
+     bool m_isPopup;
++    QColor m_clearColor;
+     QList<QMetaObject::Connection> m_windowConnections;
+ };
+ 
+-- 
+2.3.3
+
+
diff --git a/dev-qt/qtwebengine/files/0004-qtwebengine-transparency-window-creation.patch b/dev-qt/qtwebengine/files/0004-qtwebengine-transparency-window-creation.patch
new file mode 100644
index 0000000..3c13209
--- /dev/null
+++ b/dev-qt/qtwebengine/files/0004-qtwebengine-transparency-window-creation.patch
@@ -0,0 +1,44 @@
+rom e62ab19d897155bb10f4c7a2a99b901b458361b5 Mon Sep 17 00:00:00 2001
+From: Jocelyn Turcotte <jturcotte@woboq.com>
+Date: Mon, 20 Jul 2015 12:06:59 +0200
+Subject: [PATCH] Fix a crash on new windows
+
+Fixes a regression of 99e98f7bf6aec78fe0d647fb898e65d13ff522e4
+by delaying applying the background color if the client hasn't
+been set on the WebContentsViewQt yet.
+
+Task-number: QTBUG-41960
+Change-Id: I1c138777f616541179976570d8c29f8f4d49ecbf
+---
+ qtwebengine/src/core/web_contents_view_qt.cpp | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/qtwebengine/src/core/web_contents_view_qt.cpp b/src/core/web_contents_view_qt.cpp
+index aad44c1..c327534 100644
+--- a/qtwebengine/src/core/web_contents_view_qt.cpp
++++ b/qtwebengine/src/core/web_contents_view_qt.cpp
+@@ -53,8 +53,10 @@ void WebContentsViewQt::initialize(WebContentsAdapterClient* client)
+     m_factoryClient = client;
+
+     // Check if a RWHV was created before the initialization.
+-    if (m_webContents->GetRenderWidgetHostView())
+-        static_cast<RenderWidgetHostViewQt *>(m_webContents->GetRenderWidgetHostView())->setAdapterClient(client);
++    if (auto rwhv = static_cast<RenderWidgetHostViewQt *>(m_webContents->GetRenderWidgetHostView())) {
++        rwhv->setAdapterClient(client);
++        rwhv->SetBackgroundColor(toSk(client->backgroundColor()));
++    }
+ }
+
+ content::RenderWidgetHostViewBase* WebContentsViewQt::CreateViewForWidget(content::RenderWidgetHost* render_widget_host, bool is_guest_view_hack)
+@@ -86,7 +88,8 @@ void WebContentsViewQt::RenderViewCreated(content::RenderViewHost* host)
+ {
+     // The render process is done creating the RenderView and it's ready to be routed
+     // messages at this point.
+-    host->GetView()->SetBackgroundColor(toSk(m_client->backgroundColor()));
++    if (m_client)
++        host->GetView()->SetBackgroundColor(toSk(m_client->backgroundColor()));
+ }
+
+ void WebContentsViewQt::CreateView(const gfx::Size& initial_size, gfx::NativeView context)
+--
+2.3.3
diff --git a/dev-qt/qtwebengine/metadata.xml b/dev-qt/qtwebengine/metadata.xml
new file mode 100644
index 0000000..10b4149
--- /dev/null
+++ b/dev-qt/qtwebengine/metadata.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<herd>qt</herd>
+	<use>
+		<flag name="qml">Build QML/QtQuick bindings and imports</flag>
+		<flag name="pmp">Apply necessary patches to support <pkg>media-tv/plex-media-player</pkg></flag>
+	</use>
+	<upstream>
+		<bugs-to>https://bugreports.qt.io/</bugs-to>
+		<doc>http://doc.qt.io/</doc>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-qt/qtwebengine/qtwebengine-5.5.1.ebuild b/dev-qt/qtwebengine/qtwebengine-5.5.1.ebuild
new file mode 100644
index 0000000..67b5d7e
--- /dev/null
+++ b/dev-qt/qtwebengine/qtwebengine-5.5.1.ebuild
@@ -0,0 +1,40 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+PYTHON_COMPAT=( python2_7 )
+
+inherit python-any-r1 qt5-build
+
+DESCRIPTION="Support library for rendering dynamic web content in Qt5 C++ and QML applications"
+
+if [[ ${QT5_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~x86"
+fi
+
+IUSE="qml pmp"
+
+DEPEND="
+	${PYTHON_DEPS}
+	>=dev-qt/qtcore-${PV}:5
+	qml? ( >=dev-qt/qtdeclarative-${PV}:5 )
+	>=dev-qt/qtwebchannel-${PV}:5
+	>=dev-qt/qtxmlpatterns-${PV}:5
+	dev-libs/nss
+	x11-libs/libXcomposite
+	x11-libs/libXcursor
+	x11-libs/libXtst
+"
+RDEPEND="${DEPEND}"
+
+src_prepare() {
+	use pmp && epatch "${FILESDIR}"/0001-qtwebengine-Add-a-backgroundColor-property.patch
+	use pmp && epatch "${FILESDIR}"/0004-qtwebengine-transparency-window-creation.patch
+
+	qt_use_disable_mod qml quick src/src.pro
+	qt_use_disable_mod qml qml src/webengine/webengine.pro
+
+	qt5-build_src_prepare
+}