qt5-qtdeclarative/SOURCES/0007-QQuickLoader-Do-not-in...

113 lines
3.6 KiB
Diff

From 31179b578276f10841fcb60a876ea757f9ca82ff Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Tue, 21 Sep 2021 00:10:26 +0200
Subject: [PATCH 07/20] QQuickLoader: Do not incubate if the source arrives
after setActive(false)
Otherwise we end up in the crazy place of active being false but item
being non-null and forces us to workaround within the apps.
Change-Id: I88c27c4b00ccec8b8e0c05a8e10b44fcabfc2e30
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
(cherry picked from commit e78c068700fa74ab3aca6a23ab2450563b1c3a5c)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
src/quick/items/qquickloader.cpp | 3 +++
.../data/loader-async-race-rect.qml | 10 ++++++++++
.../qquickloader/data/loader-async-race.qml | 14 ++++++++++++++
.../quick/qquickloader/tst_qquickloader.cpp | 19 +++++++++++++++++++
4 files changed, 46 insertions(+)
create mode 100644 tests/auto/quick/qquickloader/data/loader-async-race-rect.qml
create mode 100644 tests/auto/quick/qquickloader/data/loader-async-race.qml
diff --git a/src/quick/items/qquickloader.cpp b/src/quick/items/qquickloader.cpp
index cb4f79a3c2..7fbe66fdda 100644
--- a/src/quick/items/qquickloader.cpp
+++ b/src/quick/items/qquickloader.cpp
@@ -737,6 +737,9 @@ void QQuickLoaderPrivate::_q_sourceLoaded()
return;
}
+ if (!active)
+ return;
+
QQmlContext *creationContext = component->creationContext();
if (!creationContext) creationContext = qmlContext(q);
itemContext = new QQmlContext(creationContext);
diff --git a/tests/auto/quick/qquickloader/data/loader-async-race-rect.qml b/tests/auto/quick/qquickloader/data/loader-async-race-rect.qml
new file mode 100644
index 0000000000..a56dcea5ad
--- /dev/null
+++ b/tests/auto/quick/qquickloader/data/loader-async-race-rect.qml
@@ -0,0 +1,10 @@
+import QtQuick 2.15
+
+Rectangle {
+ anchors.fill: parent
+ color: "blue"
+ Item {
+ Item {
+ }
+ }
+}
diff --git a/tests/auto/quick/qquickloader/data/loader-async-race.qml b/tests/auto/quick/qquickloader/data/loader-async-race.qml
new file mode 100644
index 0000000000..8ba625c5c1
--- /dev/null
+++ b/tests/auto/quick/qquickloader/data/loader-async-race.qml
@@ -0,0 +1,14 @@
+import QtQuick 2.15
+
+Item {
+ id: root
+ Component.onCompleted: {
+ myloader.active = false
+ }
+ Loader {
+ id: myloader
+ anchors.fill: parent
+ asynchronous: true
+ source: "loader-async-race-rect.qml"
+ }
+}
diff --git a/tests/auto/quick/qquickloader/tst_qquickloader.cpp b/tests/auto/quick/qquickloader/tst_qquickloader.cpp
index 0f6c811adb..dddacbaa0b 100644
--- a/tests/auto/quick/qquickloader/tst_qquickloader.cpp
+++ b/tests/auto/quick/qquickloader/tst_qquickloader.cpp
@@ -132,6 +132,7 @@ private slots:
void statusChangeOnlyEmittedOnce();
void setSourceAndCheckStatus();
+ void asyncLoaderRace();
};
Q_DECLARE_METATYPE(QList<QQmlError>)
@@ -1496,6 +1497,24 @@ void tst_QQuickLoader::setSourceAndCheckStatus()
QCOMPARE(loader->status(), QQuickLoader::Null);
}
+void tst_QQuickLoader::asyncLoaderRace()
+{
+ QQmlApplicationEngine engine;
+ auto url = testFileUrl("loader-async-race.qml");
+ engine.load(url);
+ auto root = engine.rootObjects().at(0);
+ QVERIFY(root);
+
+ QQuickLoader *loader = root->findChild<QQuickLoader *>();
+ QCOMPARE(loader->active(), false);
+ QCOMPARE(loader->status(), QQuickLoader::Null);
+ QCOMPARE(loader->item(), nullptr);
+
+ QSignalSpy spy(loader, &QQuickLoader::itemChanged);
+ QVERIFY(!spy.wait(100));
+ QCOMPARE(loader->item(), nullptr);
+}
+
QTEST_MAIN(tst_QQuickLoader)
#include "tst_qquickloader.moc"
--
2.35.1