Say hello to QtQuick module

This change moves the QtQuick 2 types and C++ API (including
SceneGraph) to a new module (AKA library), QtQuick.

99% of this change is moving files from src/declarative to
src/quick, and from tests/auto/declarative to
tests/auto/qtquick2.

The loading of QtQuick 2 ("import QtQuick 2.0") is now delegated to
a plugin, src/imports/qtquick2, just like it's done for QtQuick 1.

All tools, examples, and tests that use QtQuick C++ API have gotten
"QT += quick" or "QT += quick-private" added to their .pro file.

A few additional internal QtDeclarative classes had to be exported
(via Q_DECLARATIVE_PRIVATE_EXPORT) since they're needed by the
QtQuick 2 implementation.

The old header locations (e.g. QtDeclarative/qquickitem.h) will
still be supported for some time, but will produce compile-time
warnings. (To avoid the QtQuick implementation using the
compatibility headers (since QtDeclarative's includepath comes
first), a few include statements were modified, e.g. from
"#include <qsgnode.h>" to "#include <QtQuick/qsgnode.h>".)

There's a change in qtbase that automatically adds QtQuick to the
module list if QtDeclarative is used. Together with the compatibility
headers, this should help reduce the migration pain for existing
projects.

In theory, simply getting an existing QtDeclarative-based project
to compile and link shouldn't require any changes for now -- but
porting to the new scheme is of course recommended, and will
eventually become mandatory.

Task-number: QTBUG-22889
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Change-Id: Ia52be9373172ba2f37e7623231ecb060316c96a7
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@nokia.com>

1 files changed, 458 insertions, 0 deletions

diff --git a/tests/auto/qtquick2/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp b/tests/auto/qtquick2/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp
new file mode 100644
index 0000000000..2e326263c0
--- /dev/null
+++ b/tests/auto/qtquick2/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp
@@ -0,0 +1,458 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include <QtQuick/private/qdeclarativepixmapcache_p.h>
+#include <QtDeclarative/qdeclarativeengine.h>
+#include <QtDeclarative/qdeclarativeimageprovider.h>
+#include <QNetworkReply>
+#include "../../shared/util.h"
+#include "testhttpserver.h"
+
+#ifndef QT_NO_CONCURRENT
+#include <qtconcurrentrun.h>
+#include <qfuture.h>
+#endif
+
+inline QUrl TEST_FILE(const QString &filename)
+{
+    return QUrl::fromLocalFile(TESTDATA(filename));
+}
+
+class tst_qdeclarativepixmapcache : public QObject
+{
+    Q_OBJECT
+public:
+    tst_qdeclarativepixmapcache() :
+        server(14452)
+    {
+        server.serveDirectory(TESTDATA("http"));
+    }
+
+private slots:
+    void single();
+    void single_data();
+    void parallel();
+    void parallel_data();
+    void massive();
+    void cancelcrash();
+    void shrinkcache();
+#ifndef QT_NO_CONCURRENT
+    void networkCrash();
+#endif
+    void lockingCrash();
+    void dataLeak();
+private:
+    QDeclarativeEngine engine;
+    TestHTTPServer server;
+};
+
+static int slotters=0;
+
+class Slotter : public QObject
+{
+    Q_OBJECT
+public:
+    Slotter()
+    {
+        gotslot = false;
+        slotters++;
+    }
+    bool gotslot;
+
+public slots:
+    void got()
+    {
+        gotslot = true;
+        --slotters;
+        if (slotters==0)
+            QTestEventLoop::instance().exitLoop();
+    }
+};
+
+#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML
+static const bool localfile_optimized = true;
+#else
+static const bool localfile_optimized = false;
+#endif
+
+void tst_qdeclarativepixmapcache::single_data()
+{
+    // Note, since QDeclarativePixmapCache is shared, tests affect each other!
+    // so use different files fore all test functions.
+
+    QTest::addColumn<QUrl>("target");
+    QTest::addColumn<bool>("incache");
+    QTest::addColumn<bool>("exists");
+    QTest::addColumn<bool>("neterror");
+
+    // File URLs are optimized
+    QTest::newRow("local") << TEST_FILE("exists.png") << localfile_optimized << true << false;
+    QTest::newRow("local") << TEST_FILE("notexists.png") << localfile_optimized << false << false;
+    QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/exists.png") << false << true << false;
+    QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/notexists.png") << false << false << true;
+}
+
+void tst_qdeclarativepixmapcache::single()
+{
+    QFETCH(QUrl, target);
+    QFETCH(bool, incache);
+    QFETCH(bool, exists);
+    QFETCH(bool, neterror);
+
+    QString expectedError;
+    if (neterror) {
+        expectedError = "Error downloading " + target.toString() + " - server replied: Not found";
+    } else if (!exists) {
+        expectedError = "Cannot open: " + target.toString();
+    }
+
+    QDeclarativePixmap pixmap;
+    QVERIFY(pixmap.width() <= 0); // Check Qt assumption
+
+    pixmap.load(&engine, target);
+
+    if (incache) {
+        QCOMPARE(pixmap.error(), expectedError);
+        if (exists) {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Ready);
+            QVERIFY(pixmap.width() > 0);
+        } else {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Error);
+            QVERIFY(pixmap.width() <= 0);
+        }
+    } else {
+        QVERIFY(pixmap.width() <= 0);
+
+        Slotter getter;
+        pixmap.connectFinished(&getter, SLOT(got()));
+        QTestEventLoop::instance().enterLoop(10);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+        QVERIFY(getter.gotslot);
+        if (exists) {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Ready);
+            QVERIFY(pixmap.width() > 0);
+        } else {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Error);
+            QVERIFY(pixmap.width() <= 0);
+        }
+        QCOMPARE(pixmap.error(), expectedError);
+    }
+}
+
+void tst_qdeclarativepixmapcache::parallel_data()
+{
+    // Note, since QDeclarativePixmapCache is shared, tests affect each other!
+    // so use different files fore all test functions.
+
+    QTest::addColumn<QUrl>("target1");
+    QTest::addColumn<QUrl>("target2");
+    QTest::addColumn<int>("incache");
+    QTest::addColumn<int>("cancel"); // which one to cancel
+
+    QTest::newRow("local")
+            << TEST_FILE("exists1.png")
+            << TEST_FILE("exists2.png")
+            << (localfile_optimized ? 2 : 0)
+            << -1;
+
+    QTest::newRow("remote")
+            << QUrl("http://127.0.0.1:14452/exists2.png")
+            << QUrl("http://127.0.0.1:14452/exists3.png")
+            << 0
+            << -1;
+
+    QTest::newRow("remoteagain")
+            << QUrl("http://127.0.0.1:14452/exists2.png")
+            << QUrl("http://127.0.0.1:14452/exists3.png")
+            << 2
+            << -1;
+
+    QTest::newRow("remotecopy")
+            << QUrl("http://127.0.0.1:14452/exists4.png")
+            << QUrl("http://127.0.0.1:14452/exists4.png")
+            << 0
+            << -1;
+
+    QTest::newRow("remotecopycancel")
+            << QUrl("http://127.0.0.1:14452/exists5.png")
+            << QUrl("http://127.0.0.1:14452/exists5.png")
+            << 0
+            << 0;
+}
+
+void tst_qdeclarativepixmapcache::parallel()
+{
+    QFETCH(QUrl, target1);
+    QFETCH(QUrl, target2);
+    QFETCH(int, incache);
+    QFETCH(int, cancel);
+
+    QList<QUrl> targets;
+    targets << target1 << target2;
+
+    QList<QDeclarativePixmap *> pixmaps;
+    QList<bool> pending;
+    QList<Slotter*> getters;
+
+    for (int i=0; i<targets.count(); ++i) {
+        QUrl target = targets.at(i);
+        QDeclarativePixmap *pixmap = new QDeclarativePixmap;
+
+        pixmap->load(&engine, target);
+
+        QVERIFY(pixmap->status() != QDeclarativePixmap::Error);
+        pixmaps.append(pixmap);
+        if (pixmap->isReady()) {
+            QVERIFY(pixmap->width() >  0);
+            getters.append(0);
+            pending.append(false);
+        } else {
+            QVERIFY(pixmap->width() <= 0);
+            getters.append(new Slotter);
+            pixmap->connectFinished(getters[i], SLOT(got()));
+            pending.append(true);
+        }
+    }
+
+    QCOMPARE(incache+slotters, targets.count());
+
+    if (cancel >= 0) {
+        pixmaps.at(cancel)->clear(getters[cancel]);
+        slotters--;
+    }
+
+    if (slotters) {
+        QTestEventLoop::instance().enterLoop(10);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+    }
+
+    for (int i=0; i<targets.count(); ++i) {
+        QDeclarativePixmap *pixmap = pixmaps[i];
+
+        if (i == cancel) {
+            QVERIFY(!getters[i]->gotslot);
+        } else {
+            if (pending[i]) 
+                QVERIFY(getters[i]->gotslot);
+
+            QVERIFY(pixmap->isReady());
+            QVERIFY(pixmap->width() > 0);
+            delete getters[i];
+        }
+    }
+
+    qDeleteAll(pixmaps);
+}
+
+void tst_qdeclarativepixmapcache::massive()
+{
+    QDeclarativeEngine engine;
+    QUrl url = TEST_FILE("massive.png");
+
+    // Confirm that massive images remain in the cache while they are
+    // in use by the application.
+    {
+    qint64 cachekey = 0;
+    QDeclarativePixmap p(&engine, url);
+    QVERIFY(p.isReady());
+    QVERIFY(p.image().size() == QSize(10000, 1000));
+    cachekey = p.image().cacheKey();
+
+    QDeclarativePixmap p2(&engine, url);
+    QVERIFY(p2.isReady());
+    QVERIFY(p2.image().size() == QSize(10000, 1000));
+
+    QVERIFY(p2.image().cacheKey() == cachekey);
+    }
+
+    // Confirm that massive images are removed from the cache when
+    // they become unused
+    {
+    qint64 cachekey = 0;
+    {
+        QDeclarativePixmap p(&engine, url);
+        QVERIFY(p.isReady());
+        QVERIFY(p.image().size() == QSize(10000, 1000));
+        cachekey = p.image().cacheKey();
+    }
+
+    QDeclarativePixmap p2(&engine, url);
+    QVERIFY(p2.isReady());
+    QVERIFY(p2.image().size() == QSize(10000, 1000));
+
+    QVERIFY(p2.image().cacheKey() != cachekey);
+    }
+}
+
+// QTBUG-12729
+void tst_qdeclarativepixmapcache::cancelcrash()
+{
+    QUrl url("http://127.0.0.1:14452/cancelcrash_notexist.png");
+    for (int ii = 0; ii < 1000; ++ii) {
+        QDeclarativePixmap pix(&engine, url);
+    }
+}
+
+class MyPixmapProvider : public QDeclarativeImageProvider
+{
+public:
+    MyPixmapProvider()
+    : QDeclarativeImageProvider(Pixmap) {}
+
+    virtual QPixmap requestPixmap(const QString &d, QSize *, const QSize &) {
+        Q_UNUSED(d)
+        QPixmap pix(800, 600);
+        pix.fill(Qt::red);
+        return pix;
+    }
+};
+
+// QTBUG-13345
+void tst_qdeclarativepixmapcache::shrinkcache()
+{
+    QDeclarativeEngine engine;
+    engine.addImageProvider(QLatin1String("mypixmaps"), new MyPixmapProvider);
+
+    for (int ii = 0; ii < 4000; ++ii) {
+        QUrl url("image://mypixmaps/" + QString::number(ii));
+        QDeclarativePixmap p(&engine, url);
+    }
+}
+
+#ifndef QT_NO_CONCURRENT
+
+void createNetworkServer()
+{
+   QEventLoop eventLoop;
+   TestHTTPServer server(14453);
+   server.serveDirectory(TESTDATA("http"));
+   QTimer::singleShot(100, &eventLoop, SLOT(quit()));
+   eventLoop.exec();
+}
+
+#ifndef QT_NO_CONCURRENT
+// QT-3957
+void tst_qdeclarativepixmapcache::networkCrash()
+{
+    QFuture<void> future = QtConcurrent::run(createNetworkServer);
+    QDeclarativeEngine engine;
+    for (int ii = 0; ii < 100 ; ++ii) {
+        QDeclarativePixmap* pixmap = new QDeclarativePixmap;
+        pixmap->load(&engine,  QUrl(QString("http://127.0.0.1:14453/exists.png")));
+        QTest::qSleep(1);
+        pixmap->clear();
+        delete pixmap;
+    }
+    future.cancel();
+}
+#endif
+
+#endif
+
+// QTBUG-22125
+void tst_qdeclarativepixmapcache::lockingCrash()
+{
+    TestHTTPServer server(14453);
+    server.serveDirectory(TESTDATA("http"), TestHTTPServer::Delay);
+
+    {
+        QDeclarativePixmap* p = new QDeclarativePixmap;
+        {
+            QDeclarativeEngine e;
+            p->load(&e,  QUrl(QString("http://127.0.0.1:14453/exists6.png")));
+        }
+        p->clear();
+        QVERIFY(p->isNull());
+        delete p;
+    }
+}
+
+#include <QtQuick/QQuickView>
+class DataLeakView : public QQuickView
+{
+    Q_OBJECT
+
+public:
+    explicit DataLeakView() : QQuickView()
+    {
+        setSource(TEST_FILE("dataLeak.qml"));
+    }
+
+    void showFor2Seconds()
+    {
+        showFullScreen();
+        QTimer::singleShot(2000, this, SIGNAL(ready()));
+    }
+
+signals:
+    void ready();
+};
+
+// QTBUG-22742
+Q_GLOBAL_STATIC(QDeclarativePixmap, dataLeakPixmap)
+void tst_qdeclarativepixmapcache::dataLeak()
+{
+    // Should not leak cached QDeclarativePixmapData.
+    // Unfortunately, since the QDeclarativePixmapStore
+    // is a global static, and it releases the cache
+    // entries on dtor (application exit), we must use
+    // valgrind to determine whether it leaks or not.
+    QDeclarativePixmap *p1 = new QDeclarativePixmap;
+    QDeclarativePixmap *p2 = new QDeclarativePixmap;
+    {
+        QScopedPointer<DataLeakView> test(new DataLeakView);
+        test->showFor2Seconds();
+        dataLeakPixmap()->load(test->engine(), TEST_FILE("exists.png"));
+        p1->load(test->engine(), TEST_FILE("exists.png"));
+        p2->load(test->engine(), TEST_FILE("exists2.png"));
+        QTest::qWait(2005); // 2 seconds + a few more millis.
+    }
+
+    // When the (global static) dataLeakPixmap is deleted, it
+    // shouldn't attempt to dereference a QDeclarativePixmapData
+    // which has been deleted by the QDeclarativePixmapStore
+    // destructor.
+}
+
+QTEST_MAIN(tst_qdeclarativepixmapcache)
+
+#include "tst_qdeclarativepixmapcache.moc"