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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "../../../../src/plugins/platforms/wasm/qwasmwindowtreenode.h"
#include <QtGui/QWindow>
#include <QTest>
#include <emscripten/val.h>
class QWasmWindow
{
};
using OnSubtreeChangedCallback = std::function<void(
QWasmWindowTreeNodeChangeType changeType, QWasmWindowTreeNode *parent, QWasmWindow *child)>;
using SetWindowZOrderCallback = std::function<void(QWasmWindow *window, int z)>;
struct OnSubtreeChangedCallData
{
QWasmWindowTreeNodeChangeType changeType;
QWasmWindowTreeNode *parent;
QWasmWindow *child;
};
struct SetWindowZOrderCallData
{
QWasmWindow *window;
int z;
};
class TestWindowTreeNode final : public QWasmWindowTreeNode, public QWasmWindow
{
public:
TestWindowTreeNode(OnSubtreeChangedCallback onSubtreeChangedCallback,
SetWindowZOrderCallback setWindowZOrderCallback)
: m_onSubtreeChangedCallback(std::move(onSubtreeChangedCallback)),
m_setWindowZOrderCallback(std::move(setWindowZOrderCallback))
{
}
~TestWindowTreeNode() final { }
void setParent(TestWindowTreeNode *parent)
{
auto *previous = m_parent;
m_parent = parent;
onParentChanged(previous, parent, QWasmWindowStack::PositionPreference::Regular);
}
void setContainerElement(emscripten::val container) { m_containerElement = container; }
void bringToTop() { QWasmWindowTreeNode::bringToTop(); }
void sendToBottom() { QWasmWindowTreeNode::sendToBottom(); }
const QWasmWindowStack &childStack() { return QWasmWindowTreeNode::childStack(); }
emscripten::val containerElement() final { return m_containerElement; }
QWasmWindowTreeNode *parentNode() final { return m_parent; }
QWasmWindow *asWasmWindow() final { return this; }
protected:
void onSubtreeChanged(QWasmWindowTreeNodeChangeType changeType, QWasmWindowTreeNode *parent,
QWasmWindow *child) final
{
m_onSubtreeChangedCallback(changeType, parent, child);
}
void setWindowZOrder(QWasmWindow *window, int z) final { m_setWindowZOrderCallback(window, z); }
TestWindowTreeNode *m_parent = nullptr;
emscripten::val m_containerElement = emscripten::val::undefined();
OnSubtreeChangedCallback m_onSubtreeChangedCallback;
SetWindowZOrderCallback m_setWindowZOrderCallback;
};
class tst_QWasmWindowTreeNode : public QObject
{
Q_OBJECT
public:
tst_QWasmWindowTreeNode() { }
private slots:
void init();
void nestedWindowStacks();
void settingChildWindowZOrder();
};
void tst_QWasmWindowTreeNode::init() { }
bool operator==(const OnSubtreeChangedCallData &lhs, const OnSubtreeChangedCallData &rhs)
{
return lhs.changeType == rhs.changeType && lhs.parent == rhs.parent && lhs.child == rhs.child;
}
bool operator==(const SetWindowZOrderCallData &lhs, const SetWindowZOrderCallData &rhs)
{
return lhs.window == rhs.window && lhs.z == rhs.z;
}
void tst_QWasmWindowTreeNode::nestedWindowStacks()
{
QList<OnSubtreeChangedCallData> calls;
OnSubtreeChangedCallback mockOnSubtreeChanged =
[&calls](QWasmWindowTreeNodeChangeType changeType, QWasmWindowTreeNode *parent,
QWasmWindow *child) {
calls.push_back(OnSubtreeChangedCallData{ changeType, parent, child });
};
SetWindowZOrderCallback ignoreSetWindowZOrder = [](QWasmWindow *, int) {};
TestWindowTreeNode node(mockOnSubtreeChanged, ignoreSetWindowZOrder);
node.bringToTop();
OnSubtreeChangedCallback ignoreSubtreeChanged = [](QWasmWindowTreeNodeChangeType,
QWasmWindowTreeNode *, QWasmWindow *) {};
TestWindowTreeNode node2(ignoreSubtreeChanged, ignoreSetWindowZOrder);
node2.setParent(&node);
QCOMPARE(node.childStack().size(), 1u);
QCOMPARE(node2.childStack().size(), 0u);
QCOMPARE(node.childStack().topWindow(), &node2);
QCOMPARE(calls.size(), 1u);
{
OnSubtreeChangedCallData expected{ QWasmWindowTreeNodeChangeType::NodeInsertion, &node,
&node2 };
QCOMPARE(calls[0], expected);
calls.clear();
}
TestWindowTreeNode node3(ignoreSubtreeChanged, ignoreSetWindowZOrder);
node3.setParent(&node);
QCOMPARE(node.childStack().size(), 2u);
QCOMPARE(node2.childStack().size(), 0u);
QCOMPARE(node3.childStack().size(), 0u);
QCOMPARE(node.childStack().topWindow(), &node3);
{
OnSubtreeChangedCallData expected{ QWasmWindowTreeNodeChangeType::NodeInsertion, &node,
&node3 };
QCOMPARE(calls[0], expected);
calls.clear();
}
TestWindowTreeNode node4(ignoreSubtreeChanged, ignoreSetWindowZOrder);
node4.setParent(&node);
QCOMPARE(node.childStack().size(), 3u);
QCOMPARE(node2.childStack().size(), 0u);
QCOMPARE(node3.childStack().size(), 0u);
QCOMPARE(node4.childStack().size(), 0u);
QCOMPARE(node.childStack().topWindow(), &node4);
{
OnSubtreeChangedCallData expected{ QWasmWindowTreeNodeChangeType::NodeInsertion, &node,
&node4 };
QCOMPARE(calls[0], expected);
calls.clear();
}
node3.bringToTop();
QCOMPARE(node.childStack().topWindow(), &node3);
node4.setParent(nullptr);
QCOMPARE(node.childStack().size(), 2u);
QCOMPARE(node.childStack().topWindow(), &node3);
{
OnSubtreeChangedCallData expected{ QWasmWindowTreeNodeChangeType::NodeRemoval, &node,
&node4 };
QCOMPARE(calls[0], expected);
calls.clear();
}
node2.setParent(nullptr);
QCOMPARE(node.childStack().size(), 1u);
QCOMPARE(node.childStack().topWindow(), &node3);
{
OnSubtreeChangedCallData expected{ QWasmWindowTreeNodeChangeType::NodeRemoval, &node,
&node2 };
QCOMPARE(calls[0], expected);
calls.clear();
}
node3.setParent(nullptr);
QVERIFY(node.childStack().empty());
QCOMPARE(node.childStack().topWindow(), nullptr);
{
OnSubtreeChangedCallData expected{ QWasmWindowTreeNodeChangeType::NodeRemoval, &node,
&node3 };
QCOMPARE(calls[0], expected);
calls.clear();
}
}
void tst_QWasmWindowTreeNode::settingChildWindowZOrder()
{
QList<SetWindowZOrderCallData> calls;
OnSubtreeChangedCallback ignoreSubtreeChanged = [](QWasmWindowTreeNodeChangeType,
QWasmWindowTreeNode *, QWasmWindow *) {};
SetWindowZOrderCallback onSetWindowZOrder = [&calls](QWasmWindow *window, int z) {
calls.push_back(SetWindowZOrderCallData{ window, z });
};
SetWindowZOrderCallback ignoreSetWindowZOrder = [](QWasmWindow *, int) {};
TestWindowTreeNode node(ignoreSubtreeChanged, onSetWindowZOrder);
TestWindowTreeNode node2(ignoreSubtreeChanged, ignoreSetWindowZOrder);
node2.setParent(&node);
{
QCOMPARE(calls.size(), 1u);
SetWindowZOrderCallData expected{ &node2, 3 };
QCOMPARE(calls[0], expected);
calls.clear();
}
TestWindowTreeNode node3(ignoreSubtreeChanged, ignoreSetWindowZOrder);
node3.setParent(&node);
{
QCOMPARE(calls.size(), 2u);
SetWindowZOrderCallData expected{ &node2, 3 };
QCOMPARE(calls[0], expected);
expected = SetWindowZOrderCallData{ &node3, 4 };
QCOMPARE(calls[1], expected);
calls.clear();
}
TestWindowTreeNode node4(ignoreSubtreeChanged, ignoreSetWindowZOrder);
node4.setParent(&node);
{
QCOMPARE(calls.size(), 3u);
SetWindowZOrderCallData expected{ &node2, 3 };
QCOMPARE(calls[0], expected);
expected = SetWindowZOrderCallData{ &node3, 4 };
QCOMPARE(calls[1], expected);
expected = SetWindowZOrderCallData{ &node4, 5 };
QCOMPARE(calls[2], expected);
calls.clear();
}
node2.bringToTop();
{
QCOMPARE(calls.size(), 3u);
SetWindowZOrderCallData expected{ &node3, 3 };
QCOMPARE(calls[0], expected);
expected = SetWindowZOrderCallData{ &node4, 4 };
QCOMPARE(calls[1], expected);
expected = SetWindowZOrderCallData{ &node2, 5 };
QCOMPARE(calls[2], expected);
calls.clear();
}
}
QTEST_MAIN(tst_QWasmWindowTreeNode)
#include "tst_qwasmwindowtreenode.moc"
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