#include "fb2view.hpp" #include "fb2dlgs.hpp" #include "fb2read.hpp" #include "fb2save.hpp" #include "fb2utils.h" #include "fb2xml2.h" #include #include #include #include #include #include #include #include #include //--------------------------------------------------------------------------- // Fb2NoteView //--------------------------------------------------------------------------- class Fb2NoteView : public QWebView { public: explicit Fb2NoteView(QWidget* parent = 0) : QWebView(parent) {} void hint(const QWebElement element, const QRect &rect); protected: void paintEvent(QPaintEvent *event); }; void Fb2NoteView::paintEvent(QPaintEvent *event) { QWebView::paintEvent(event); QPainter painter(this); painter.setPen(Qt::black); QSize size = geometry().size() - QSize(1, 1); painter.drawRect( QRect(QPoint(0, 0), size) ); } void Fb2NoteView::hint(const QWebElement element, const QRect &rect) { QString html = element.toOuterXml(); html.prepend( "" "

" ); html.append("

"); setGeometry(rect); setHtml(html); show(); } //--------------------------------------------------------------------------- // Fb2WebPage //--------------------------------------------------------------------------- Fb2WebPage::Fb2WebPage(QObject *parent) : QWebPage(parent) { QWebSettings *s = settings(); s->setAttribute(QWebSettings::AutoLoadImages, true); s->setAttribute(QWebSettings::DeveloperExtrasEnabled, true); s->setAttribute(QWebSettings::JavaEnabled, false); s->setAttribute(QWebSettings::JavascriptEnabled, true); s->setAttribute(QWebSettings::PrivateBrowsingEnabled, true); s->setAttribute(QWebSettings::PluginsEnabled, false); s->setAttribute(QWebSettings::ZoomTextOnly, true); s->setUserStyleSheetUrl(QUrl::fromLocalFile(":style.css")); } bool Fb2WebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type) { Q_UNUSED(frame); if (type == NavigationTypeLinkClicked) { qCritical() << request.url().fragment(); return false; // QToolTip::showText(request.url().fragment()); } return QWebPage::acceptNavigationRequest(frame, request, type); } //--------------------------------------------------------------------------- // Fb2WebView //--------------------------------------------------------------------------- Fb2WebView::Fb2WebView(QWidget *parent) : Fb2BaseWebView(parent) , m_inspector(0) , m_noteView(0) , m_thread(0) { setPage(new Fb2WebPage(this)); page()->setNetworkAccessManager(new Fb2NetworkAccessManager(*this)); page()->setContentEditable(true); connect(page(), SIGNAL(contentsChanged()), this, SLOT(fixContents())); connect(page(), SIGNAL(linkHovered(QString,QString,QString)), this, SLOT(linkHovered(QString,QString,QString))); } Fb2WebView::~Fb2WebView() { FB2DELETE(m_inspector); FB2DELETE(m_noteView); } Fb2NoteView & Fb2WebView::noteView() { if (m_noteView) return *m_noteView; m_noteView = new Fb2NoteView(qobject_cast(parent())); m_noteView->setPage(new Fb2WebPage(this)); m_noteView->page()->setNetworkAccessManager(page()->networkAccessManager()); m_noteView->page()->setContentEditable(false); m_noteView->setGeometry(QRect(100, 100, 400, 200)); return *m_noteView; } QWebElement Fb2WebView::doc() { return page()->mainFrame()->documentElement(); } QString Fb2WebView::toBodyXml() { QWebElement body = doc().findFirst("body"); if (body.isNull()) return QString(); return body.toOuterXml(); } void Fb2WebView::fixContents() { foreach (QWebElement span, doc().findAll("span.apple-style-span[style]")) { span.removeAttribute("style"); } } void Fb2WebView::mouseMoveEvent(QMouseEvent *event) { m_point = event->pos(); QWebView::mouseMoveEvent(event); } void Fb2WebView::linkHovered(const QString &link, const QString &title, const QString &textContent) { Q_UNUSED(title); Q_UNUSED(textContent); const QString href = QUrl(link).fragment(); if (href.isEmpty()) { if (m_noteView) m_noteView->hide(); return; } const QString query = QString("DIV#%1").arg(href); const QWebElement element = doc().findFirst(query); if (element.isNull()) { if (m_noteView) m_noteView->hide(); return; } QRect rect = geometry(); QSize size = element.geometry().size() + QSize(2, 4); int center = rect.size().height() / 2; int h = size.height(); if (h > center) size.setHeight(center - 10); int x = (rect.size().width() - size.width()) / 2; int y = m_point.y(); if ( y > h ) y = y - h - 10; else y = y + 10; QPoint point = QPoint(x, y) + rect.topLeft(); noteView().hint(element, QRect(point, size)); } void Fb2WebView::load(const QString &filename, const QString &xml) { if (m_thread) return; m_thread = new Fb2ReadThread(this, filename, xml); m_thread->start(); } bool Fb2WebView::save(QIODevice *device, const QString &codec) { Fb2SaveWriter writer(*this, device); if (!codec.isEmpty()) writer.setCodec(codec.toLatin1()); return Fb2SaveHandler(writer).save(); } bool Fb2WebView::save(QByteArray *array) { Fb2SaveWriter writer(*this, array); return Fb2SaveHandler(writer).save(); } bool Fb2WebView::save(QString *string) { // Use class QByteArray instead QString // to store information about encoding. QByteArray data; bool ok = save(&data); if (ok) *string = QString::fromUtf8(data.data()); return ok; } void Fb2WebView::data(QString name, QByteArray data) { m_files.set(name, data); } void Fb2WebView::html(QString name, QString html) { setHtml(html, QUrl::fromLocalFile(name)); if (m_thread) m_thread->deleteLater(); m_thread = 0; } void Fb2WebView::zoomIn() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 1.1); } void Fb2WebView::zoomOut() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 0.9); } void Fb2WebView::zoomReset() { setZoomFactor(1); } bool Fb2WebView::UndoEnabled() { return pageAction(QWebPage::Undo)->isEnabled(); } bool Fb2WebView::RedoEnabled() { return pageAction(QWebPage::Redo)->isEnabled(); } bool Fb2WebView::CutEnabled() { return pageAction(QWebPage::Cut)->isEnabled(); } bool Fb2WebView::CopyEnabled() { return pageAction(QWebPage::Copy)->isEnabled(); } bool Fb2WebView::BoldChecked() { return pageAction(QWebPage::ToggleBold)->isChecked(); } bool Fb2WebView::ItalicChecked() { return pageAction(QWebPage::ToggleItalic)->isChecked(); } bool Fb2WebView::StrikeChecked() { return pageAction(QWebPage::ToggleStrikethrough)->isChecked(); } bool Fb2WebView::SubChecked() { return pageAction(QWebPage::ToggleSubscript)->isChecked(); } bool Fb2WebView::SupChecked() { return pageAction(QWebPage::ToggleSuperscript)->isChecked(); } void Fb2WebView::find() { Fb2TextFindDlg dlg(*this); dlg.exec(); } void Fb2WebView::insertImage() { QString filters; filters += tr("Common Graphics (*.png *.jpg *.jpeg *.gif);;"); filters += tr("Portable Network Graphics (PNG) (*.png);;"); filters += tr("JPEG (*.jpg *.jpeg);;"); filters += tr("Graphics Interchange Format (*.gif);;"); filters += tr("All Files (*)"); QString path = QFileDialog::getOpenFileName(this, tr("Insert image..."), QString(), filters); if (path.isEmpty()) return; QFile file(path); if (!file.open(QIODevice::ReadOnly)) return; QByteArray data = file.readAll(); QString name = m_files.add(path, data); execCommand("insertImage", name.prepend("fb2:")); } void Fb2WebView::insertNote() { Fb2NoteDlg dlg(*this); dlg.exec(); } void Fb2WebView::insertLink() { } void Fb2WebView::execCommand(const QString &cmd, const QString &arg) { QString javascript = QString("document.execCommand(\"%1\",false,\"%2\")").arg(cmd).arg(arg); page()->mainFrame()->evaluateJavaScript(javascript); } QString Fb2WebView::status() { static const QString javascript = FB2::read(":/js/get_status.js"); return page()->mainFrame()->evaluateJavaScript(javascript).toString(); return QString(); } void Fb2WebView::showInspector() { if (!m_inspector) { m_inspector = new QWebInspector(); m_inspector->setAttribute(Qt::WA_DeleteOnClose, false); m_inspector->setPage(page()); } m_inspector->show(); }