Merge branch 'qtquick2'

Conflicts:
	demos/declarative/flickr/common/Progress.qml
	demos/declarative/flickr/common/RssModel.qml
	demos/declarative/flickr/common/ScrollBar.qml
	demos/declarative/flickr/common/Slider.qml
	demos/declarative/flickr/mobile/Button.qml
	demos/declarative/flickr/mobile/GridDelegate.qml
	demos/declarative/flickr/mobile/ImageDetails.qml
	demos/declarative/flickr/mobile/ListDelegate.qml
	demos/declarative/flickr/mobile/TitleBar.qml
	demos/declarative/flickr/mobile/ToolBar.qml
	demos/declarative/webbrowser/content/Button.qml
	demos/declarative/webbrowser/content/FlickableWebView.qml
	demos/declarative/webbrowser/content/Header.qml
	demos/declarative/webbrowser/content/ScrollBar.qml
	demos/declarative/webbrowser/content/UrlInput.qml
	demos/declarative/webbrowser/webbrowser.qml
	doc/src/snippets/declarative/mousearea/mousearea-snippet.qml
	examples/declarative/modelviews/webview/newwindows/qml/alerts.html
	examples/declarative/modelviews/webview/newwindows/qml/content/Mapping/map.html
	examples/declarative/modelviews/webview/newwindows/qml/content/pics/cancel.png
	examples/declarative/modelviews/webview/newwindows/qml/content/pics/ok.png
	examples/declarative/modelviews/webview/newwindows/qml/newwindows.html
	src/declarative/graphicsitems/qdeclarativetextinput.cpp
	src/declarative/qml/qdeclarativecompiledbindings.cpp
	src/declarative/qml/qdeclarativecompiledbindings_p.h
	src/declarative/qml/qdeclarativedom.cpp
	src/declarative/qml/qdeclarativedom_p.h
	src/declarative/qml/qdeclarativedom_p_p.h
	src/declarative/qml/qdeclarativeengine.cpp
	src/declarative/qml/qdeclarativetypeloader.cpp
	src/imports/particles/particles.cpp
	tests/auto/declarative/qdeclarativedom/tst_qdeclarativedom.cpp
	tests/auto/declarative/qmlvisual/qdeclarativeflickable/data/flickable-horizontal.4.png
	tests/auto/declarative/qmlvisual/qdeclarativepathview/data/test-pathview.6.png
	tests/auto/declarative/qmlvisual/qdeclarativepositioners/data/usingRepeater.0.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.0.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.1.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.2.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.3.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.4.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.5.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.6.png
	tests/auto/declarative/qmlvisual/qdeclarativespringanimation/data/follow.7.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/align/data-MAC/multilineAlign.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/align/data-X11/multilineAlign.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/baseline/data-X11/parentanchor.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/data-MAC/qtbug_14865.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/data-MAC/qtbug_14865.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/data-X11/qtbug_14865.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/data-X11/qtbug_14865.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/elide.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/elide2.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/elide2.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/multilength.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/multilength.2.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/multilength.3.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/multilength.4.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/elide/data-X11/multilength.5.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/font/data-MAC/plaintext2.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/font/data-MAC/plaintext3.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/font/data-X11/plaintext.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/font/data-X11/plaintext2.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/font/data-X11/richtext.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetext/font/data-X11/richtext2.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.10.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.11.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.2.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.3.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.4.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.5.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.6.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.7.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.8.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/usingMultilineEdit.9.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.2.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.3.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.4.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.5.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-MAC/wrap.6.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/qt-669.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/qt-669.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/qt-669.2.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/qt-669.3.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/qt-669.4.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/usingMultilineEdit.10.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/usingMultilineEdit.11.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/usingMultilineEdit.12.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/usingMultilineEdit.7.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/usingMultilineEdit.9.png
	tests/auto/declarative/qmlvisual/qdeclarativetextedit/data-X11/wrap.7.png
	tests/auto/declarative/qmlvisual/qdeclarativetextinput/data-MAC/echoMode.0.png
	tests/auto/declarative/qmlvisual/qdeclarativetextinput/data-MAC/echoMode.1.png
	tests/auto/declarative/qmlvisual/qdeclarativetextinput/data-MAC/echoMode.2.png
	tests/auto/declarative/qmlvisual/qdeclarativetextinput/data-X11/usingLineEdit.11.png
	tests/auto/declarative/qmlvisual/tst_qmlvisual.cpp

Change-Id: I40df8a9403a58a6c03a0f1734f16a5cbed6c85ff

1 files changed, 23 insertions, 2 deletions

diff --git a/src/declarative/qml/qdeclarativeengine_p.h b/src/declarative/qml/qdeclarativeengine_p.h
index 0a3fe5d130..c690ac7bff 100644
--- a/src/declarative/qml/qdeclarativeengine_p.h
+++ b/src/declarative/qml/qdeclarativeengine_p.h
@@ -67,6 +67,7 @@
 #include "private/qdeclarativeproperty_p.h"
 #include "private/qdeclarativepropertycache_p.h"
 #include "private/qdeclarativeobjectscriptclass_p.h"
+#include "private/qdeclarativescarceresourcescriptclass_p.h"
 #include "private/qdeclarativecontextscriptclass_p.h"
 #include "private/qdeclarativevaluetypescriptclass_p.h"
 #include "private/qdeclarativemetatype_p.h"
@@ -93,6 +94,8 @@ class QDeclarativeExpression;
 class QDeclarativeContextScriptClass;
 class QDeclarativeImportDatabase;
 class QDeclarativeObjectScriptClass;
+class QDeclarativeScarceResourceScriptClass;
+class ScarceResourceData;
 class QDeclarativeTypeNameScriptClass;
 class QDeclarativeValueTypeScriptClass;
 class QNetworkReply;
@@ -109,6 +112,8 @@ class QDeclarativeDelayedError;
 class QDeclarativeWorkerScriptEngine;
 class QDeclarativeGlobalScriptClass;
 class QDir;
+class QSGTexture;
+class QSGContext;
 
 class QDeclarativeScriptEngine : public QScriptEngine
 {
@@ -168,6 +173,7 @@ public:
     QDeclarativeContextData *sharedContext;
     QObject *sharedScope;
     QDeclarativeObjectScriptClass *objectClass;
+    QDeclarativeScarceResourceScriptClass *scarceResourceClass;
     QDeclarativeValueTypeScriptClass *valueTypeClass;
     QDeclarativeTypeNameScriptClass *typeNameClass;
     QDeclarativeListScriptClass *listClass;
@@ -232,9 +238,22 @@ public:
 
     QHash<QString,QSharedPointer<QDeclarativeImageProvider> > imageProviders;
     QDeclarativeImageProvider::ImageType getImageProviderType(const QUrl &url);
+    QSGTexture *getTextureFromProvider(const QUrl &url, QSize *size, const QSize& req_size);
     QImage getImageFromProvider(const QUrl &url, QSize *size, const QSize& req_size);
     QPixmap getPixmapFromProvider(const QUrl &url, QSize *size, const QSize& req_size);
 
+    /*
+       A scarce resource (like a large pixmap or texture) will be cached in a
+       JavaScript wrapper object when accessed in a binding or other js expression.
+       We need some way to automatically release that scarce resource prior to normal
+       garbage collection (unless the user explicitly preserves the resource).
+     */
+    ScarceResourceData* scarceResources;
+    int scarceResourcesRefCount;
+    static bool variantIsScarceResource(const QVariant& val);
+    void referenceScarceResources();
+    void dereferenceScarceResources();
+
     mutable QMutex mutex;
 
     QDeclarativeTypeLoader typeLoader;
@@ -249,6 +268,8 @@ public:
 
     QDeclarativeValueTypeFactory valueTypes;
 
+    QHash<QDeclarativeMetaType::ModuleApi, QDeclarativeMetaType::ModuleApiInstance *> moduleApiInstances;
+
     QHash<const QMetaObject *, QDeclarativePropertyCache *> propertyCache;
     QHash<QPair<QDeclarativeType *, int>, QDeclarativePropertyCache *> typePropertyCache;
     inline QDeclarativePropertyCache *cache(QObject *obj);
@@ -269,8 +290,6 @@ public:
     QHash<int, int> m_qmlLists;
     QHash<int, QDeclarativeCompiledData *> m_compositeTypes;
 
-    QHash<QString, QScriptValue> m_sharedScriptImports;
-
     QScriptValue scriptValueFromVariant(const QVariant &);
     QVariant scriptValueToVariant(const QScriptValue &, int hint = QVariant::Invalid);
 
@@ -326,6 +345,8 @@ public:
     static void defineModule();
 
     static bool qml_debugging_enabled;
+
+    QSGContext *sgContext;
 };
 
 /*!