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https://gitee.com/spark-store-project/spark-web-app-runtime.git
synced 2025-08-21 03:42:23 +08:00
4a81898cd3
页面加载始终未触发 loadFinished 信号，判断加载未完成 Log: 添加 loadProgressChanged 信号处理，加载进度到 100% 就显示页面；loadFinished 信号如果报错，在窗口中提示“加载存在错误”
140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
#include "widget.h"
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#include "webengineview.h"
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#include "webenginepage.h"
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#include <DApplication>
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DWIDGET_USE_NAMESPACE
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Widget::Widget(QString szUrl, QWidget *parent)
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: QWidget(parent)
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, m_webEngineView(new WebEngineView(this))
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, m_spinner(new DSpinner(this))
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, mainLayout(new QStackedLayout(this))
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, m_szUrl(szUrl)
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{
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initUI();
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initConnections();
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}
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Widget::~Widget()
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{
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}
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QWebEnginePage *Widget::getPage()
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{
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return this->m_webEngineView->page();
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}
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void Widget::goBack()
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{
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m_webEngineView->back();
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}
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void Widget::goForward()
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{
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m_webEngineView->forward();
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}
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void Widget::refresh()
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{
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m_webEngineView->reload();
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}
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void Widget::initUI()
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{
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m_spinner->setFixedSize(96, 96);
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DApplication *dApp = qobject_cast<DApplication *>(qApp);
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m_webEngineView->setZoomFactor(dApp->devicePixelRatio());
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WebEnginePage *page = new WebEnginePage(m_webEngineView);
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m_webEngineView->setPage(page);
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page->setUrl(QUrl());
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if (!m_szUrl.isEmpty()) {
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page->setUrl(QUrl(m_szUrl));
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}
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QWidget *spinnerWidget = new QWidget(this);
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QHBoxLayout *spinnerLayout = new QHBoxLayout(spinnerWidget);
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spinnerLayout->setMargin(0);
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spinnerLayout->setSpacing(0);
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spinnerLayout->setAlignment(Qt::AlignCenter);
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spinnerLayout->addStretch();
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spinnerLayout->addWidget(m_spinner);
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spinnerLayout->addStretch();
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mainLayout->addWidget(spinnerWidget);
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mainLayout->addWidget(m_webEngineView);
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}
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void Widget::initConnections()
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{
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connect(m_webEngineView, &QWebEngineView::loadStarted, this, &Widget::slotLoadStarted, Qt::UniqueConnection);
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connect(m_webEngineView, &QWebEngineView::loadProgress, this, &Widget::slotLoadProgress, Qt::UniqueConnection);
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connect(m_webEngineView, &QWebEngineView::loadFinished, this, &Widget::slotLoadFinished, Qt::UniqueConnection);
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// FIXME: DTK 主题切换时，动态修改 QtWebEngine prefers-color-scheme
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// connect(DGuiApplicationHelper::instance(), &DGuiApplicationHelper::paletteTypeChanged, this, &Widget::slotPaletteTypeChanged, Qt::UniqueConnection);
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}
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void Widget::updateLayout()
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{
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slotLoadStarted();
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mainLayout->removeWidget(m_webEngineView);
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QUrl url = m_webEngineView->url();
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m_webEngineView->deleteLater();
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m_webEngineView = new WebEngineView(this);
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mainLayout->addWidget(m_webEngineView);
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initConnections();
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DApplication *dApp = qobject_cast<DApplication *>(qApp);
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m_webEngineView->setZoomFactor(dApp->devicePixelRatio());
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WebEnginePage *page = new WebEnginePage(m_webEngineView);
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m_webEngineView->setPage(page);
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page->setUrl(url);
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}
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void Widget::slotLoadStarted()
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{
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mainLayout->setCurrentIndex(0);
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m_spinner->start();
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}
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void Widget::slotLoadProgress(int value)
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{
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if (value == 100) {
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slotLoadFinished(-1);
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}
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}
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void Widget::slotLoadFinished(int status)
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{
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m_spinner->stop();
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mainLayout->setCurrentIndex(1);
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if (status < 0) {
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qDebug() << Q_FUNC_INFO << "Load progress: 100%";
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return;
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}
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if (!status) {
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qWarning() << Q_FUNC_INFO << "Load finished, error occurred!";
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emit sigLoadErrorOccurred();
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}
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}
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void Widget::slotPaletteTypeChanged(DGuiApplicationHelper::ColorType paletteType)
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{
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Q_UNUSED(paletteType)
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WebEngineView::handleChromiumFlags();
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if (m_webEngineView) {
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updateLayout();
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}
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}
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