Remove uses of QtGui symbols in QQmlEngine.

Move the code dealing with QImage and QPixmap out of QQmlEngine
and into the QtQuick library.  QQmlEngine remains the owner
of image provider resources, but does not use them directly.

Change-Id: I52083581394d9c308db446372883eb7479ccf807
Reviewed-by: Martin Jones <martin.jones@nokia.com>

1 files changed, 16 insertions, 57 deletions

diff --git a/src/qml/qml/qqmlengine.cpp b/src/qml/qml/qqmlengine.cpp
index ee5a0c954e..54c9d048df 100644
--- a/src/qml/qml/qqmlengine.cpp
+++ b/src/qml/qml/qqmlengine.cpp
@@ -60,7 +60,6 @@
 #include "qquickworkerscript_p.h"
 #include "qqmlcomponent_p.h"
 #include "qqmlnetworkaccessmanagerfactory.h"
-#include "qqmlimageprovider.h"
 #include "qqmldirparser_p.h"
 #include "qqmlextensioninterface.h"
 #include "qqmllist_p.h"
@@ -181,6 +180,12 @@ void QQmlEnginePrivate::defineModule()
     qmlRegisterUncreatableType<QQmlLocale>("QtQuick",2,0,"Locale",QQmlEngine::tr("Locale cannot be instantiated.  Use Qt.locale()"));
 }
 
+
+QQmlImageProviderBase::~QQmlImageProviderBase()
+{
+}
+
+
 /*!
 \qmlclass Qt QQmlEnginePrivate
   \ingroup qml-utility-elements
@@ -672,27 +677,29 @@ QNetworkAccessManager *QQmlEngine::networkAccessManager() const
   takes ownership of \a provider.
 
   Image providers enable support for pixmap and threaded image
-  requests. See the QQmlImageProvider documentation for details on
+  requests. See the QQuickImageProvider documentation for details on
   implementing and using image providers.
 
   All required image providers should be added to the engine before any
   QML sources files are loaded.
 
-  \sa removeImageProvider()
+  \sa removeImageProvider(), QQuickImageProvider
 */
-void QQmlEngine::addImageProvider(const QString &providerId, QQmlImageProvider *provider)
+void QQmlEngine::addImageProvider(const QString &providerId, QQmlImageProviderBase *provider)
 {
     Q_D(QQmlEngine);
     QMutexLocker locker(&d->mutex);
-    d->imageProviders.insert(providerId.toLower(), QSharedPointer<QQmlImageProvider>(provider));
+    d->imageProviders.insert(providerId.toLower(), QSharedPointer<QQmlImageProviderBase>(provider));
 }
 
 /*!
-  Returns the QQmlImageProvider set for \a providerId.
+  Returns the image provider set for \a providerId.
 
   Returns the provider if it was found; otherwise returns 0.
+
+  \sa QQuickImageProvider
 */
-QQmlImageProvider *QQmlEngine::imageProvider(const QString &providerId) const
+QQmlImageProviderBase *QQmlEngine::imageProvider(const QString &providerId) const
 {
     Q_D(const QQmlEngine);
     QMutexLocker locker(&d->mutex);
@@ -700,9 +707,9 @@ QQmlImageProvider *QQmlEngine::imageProvider(const QString &providerId) const
 }
 
 /*!
-  Removes the QQmlImageProvider for \a providerId.
+  Removes the image provider for \a providerId.
 
-  \sa addImageProvider()
+  \sa addImageProvider(), QQuickImageProvider
 */
 void QQmlEngine::removeImageProvider(const QString &providerId)
 {
@@ -711,54 +718,6 @@ void QQmlEngine::removeImageProvider(const QString &providerId)
     d->imageProviders.take(providerId);
 }
 
-QQmlImageProvider::ImageType QQmlEnginePrivate::getImageProviderType(const QUrl &url)
-{
-    QMutexLocker locker(&mutex);
-    QSharedPointer<QQmlImageProvider> provider = imageProviders.value(url.host());
-    locker.unlock();
-    if (provider)
-        return provider->imageType();
-    return QQmlImageProvider::Invalid;
-}
-
-QQuickTextureFactory *QQmlEnginePrivate::getTextureFromProvider(const QUrl &url, QSize *size, const QSize& req_size)
-{
-    QMutexLocker locker(&mutex);
-    QSharedPointer<QQmlImageProvider> provider = imageProviders.value(url.host());
-    locker.unlock();
-    if (provider) {
-        QString imageId = url.toString(QUrl::RemoveScheme | QUrl::RemoveAuthority).mid(1);
-        return provider->requestTexture(imageId, size, req_size);
-    }
-    return 0;
-}
-
-QImage QQmlEnginePrivate::getImageFromProvider(const QUrl &url, QSize *size, const QSize& req_size)
-{
-    QMutexLocker locker(&mutex);
-    QImage image;
-    QSharedPointer<QQmlImageProvider> provider = imageProviders.value(url.host());
-    locker.unlock();
-    if (provider) {
-        QString imageId = url.toString(QUrl::RemoveScheme | QUrl::RemoveAuthority).mid(1);
-        image = provider->requestImage(imageId, size, req_size);
-    }
-    return image;
-}
-
-QPixmap QQmlEnginePrivate::getPixmapFromProvider(const QUrl &url, QSize *size, const QSize& req_size)
-{
-    QMutexLocker locker(&mutex);
-    QPixmap pixmap;
-    QSharedPointer<QQmlImageProvider> provider = imageProviders.value(url.host());
-    locker.unlock();
-    if (provider) {
-        QString imageId = url.toString(QUrl::RemoveScheme | QUrl::RemoveAuthority).mid(1);
-        pixmap = provider->requestPixmap(imageId, size, req_size);
-    }
-    return pixmap;
-}
-
 /*!
   Return the base URL for this engine.  The base URL is only used to
   resolve components when a relative URL is passed to the