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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
// Functions and macros that really need to be in QTestLib
#if 0
#pragma qt_no_master_include
#endif
#include <QEventLoop>
#include <QPoint>
#include <QRect>
#include <QSignalSpy>
#include <QTimer>
#include <qwebenginefindtextresult.h>
#include <qwebenginepage.h>
// Disconnect signal on destruction.
class ScopedConnection
{
public:
ScopedConnection(QMetaObject::Connection connection) : m_connection(std::move(connection)) { }
~ScopedConnection() { QObject::disconnect(m_connection); }
private:
QMetaObject::Connection m_connection;
};
/**
* Just like QSignalSpy but facilitates sync and async
* signal emission. For example if you want to verify that
* page->foo() emitted a signal, it could be that the
* implementation decides to emit the signal asynchronously
* - in which case we want to spin a local event loop until
* emission - or that the call to foo() emits it right away.
*/
class SignalBarrier : private QSignalSpy
{
public:
SignalBarrier(const QObject* obj, const char* aSignal)
: QSignalSpy(obj, aSignal)
{ }
bool ensureSignalEmitted()
{
bool result = size() > 0;
if (!result)
result = wait();
clear();
return result;
}
};
template<typename T, typename R>
struct CallbackWrapper {
QPointer<R> p;
void operator()(const T& result) {
if (p)
(*p)(result);
}
};
template<typename T>
class CallbackSpy: public QObject {
public:
CallbackSpy() : called(false) {
timeoutTimer.setSingleShot(true);
QObject::connect(&timeoutTimer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
}
T waitForResult(int timeout = 20000) {
const int step = 1000;
int elapsed = 0;
while (elapsed < timeout && !called) {
timeoutTimer.start(step);
eventLoop.exec();
elapsed += step;
}
return result;
}
bool wasCalled() const {
return called;
}
void operator()(const T &result) {
this->result = result;
called = true;
eventLoop.quit();
}
CallbackWrapper<T, CallbackSpy<T> > ref()
{
CallbackWrapper<T, CallbackSpy<T> > wrapper = {this};
return wrapper;
}
private:
Q_DISABLE_COPY(CallbackSpy)
bool called;
QTimer timeoutTimer;
QEventLoop eventLoop;
T result;
};
static inline QString toPlainTextSync(QWebEnginePage *page)
{
CallbackSpy<QString> spy;
page->toPlainText(spy.ref());
return spy.waitForResult();
}
static inline QString toHtmlSync(QWebEnginePage *page)
{
CallbackSpy<QString> spy;
page->toHtml(spy.ref());
return spy.waitForResult();
}
static inline bool findTextSync(QWebEnginePage *page, const QString &subString)
{
CallbackSpy<QWebEngineFindTextResult> spy;
page->findText(subString, {}, spy.ref());
return spy.waitForResult().numberOfMatches() > 0;
}
static inline QVariant evaluateJavaScriptSync(QWebEnginePage *page, const QString &script)
{
CallbackSpy<QVariant> spy;
page->runJavaScript(script, spy.ref());
return spy.waitForResult();
}
static inline QVariant evaluateJavaScriptSyncInWorld(QWebEnginePage *page, const QString &script, int worldId)
{
CallbackSpy<QVariant> spy;
page->runJavaScript(script, worldId, spy.ref());
return spy.waitForResult();
}
static inline QUrl baseUrlSync(QWebEnginePage *page)
{
CallbackSpy<QVariant> spy;
page->runJavaScript("document.baseURI", spy.ref());
return spy.waitForResult().toUrl();
}
static inline bool loadSync(QWebEnginePage *page, const QUrl &url, bool ok = true)
{
QSignalSpy spy(page, &QWebEnginePage::loadFinished);
page->load(url);
return (!spy.empty() || spy.wait(20000)) && (spy.front().value(0).toBool() == ok);
}
static inline QRect elementGeometry(QWebEnginePage *page, const QString &id)
{
const QString jsCode(
"(function() {"
" var elem = document.getElementById('" + id + "');"
" var rect = elem.getBoundingClientRect();"
" return [rect.left, rect.top, rect.width, rect.height];"
"})()");
QVariantList coords = evaluateJavaScriptSync(page, jsCode).toList();
if (coords.size() != 4) {
qWarning("elementGeometry failed.");
return QRect();
}
return QRect(coords[0].toInt(), coords[1].toInt(), coords[2].toInt(), coords[3].toInt());
}
static inline QPoint elementCenter(QWebEnginePage *page, const QString &id)
{
return elementGeometry(page, id).center();
}
#define W_QSKIP(a, b) QSKIP(a)
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