qwebpage.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

            Pasteboard::generalPasteboard()->setSelectionMode(oldSelectionMode);
#endif
            editor->copyURL(d->hitTestResult.linkUrl(), d->hitTestResult.linkText());
            break;
        }
        case OpenImageInNewWindow:
            openNewWindow(d->hitTestResult.imageUrl(), frame);
            break;
        case DownloadImageToDisk:
            frame->loader()->client()->startDownload(WebCore::ResourceRequest(d->hitTestResult.imageUrl(), frame->loader()->outgoingReferrer()));
            break;
        case DownloadLinkToDisk:
            frame->loader()->client()->startDownload(WebCore::ResourceRequest(d->hitTestResult.linkUrl(), frame->loader()->outgoingReferrer()));
            break;
#ifndef QT_NO_CLIPBOARD
        case CopyImageToClipboard:
            QApplication::clipboard()->setPixmap(d->hitTestResult.pixmap());
            break;
#endif
        case Back:
            d->page->goBack();
            break;
        case Forward:
            d->page->goForward();
            break;
        case Stop:
            mainFrame()->d->frame->loader()->stopForUserCancel();
            break;
        case Reload:
            mainFrame()->d->frame->loader()->reload();
            break;
        case SetTextDirectionDefault:
            editor->setBaseWritingDirection(NaturalWritingDirection);
            break;
        case SetTextDirectionLeftToRight:
            editor->setBaseWritingDirection(LeftToRightWritingDirection);
            break;
        case SetTextDirectionRightToLeft:
            editor->setBaseWritingDirection(RightToLeftWritingDirection);
            break;
        case InspectElement:
            if (!d->hitTestResult.isNull())
                d->page->inspectorController()->inspect(d->hitTestResult.d->innerNonSharedNode.get());
            else
                d->page->inspectorController()->show();
            break;
        default:
            command = QWebPagePrivate::editorCommandForWebActions(action);
            break;
    }

    if (command)
        editor->command(command).execute();
}

QSize QWebPage::viewportSize() const
{
    if (d->mainFrame && d->mainFrame->d->frame->view())
        return d->mainFrame->d->frame->view()->frameRect().size();

    return d->viewportSize;
}

/*!
    \property QWebPage::viewportSize
    \brief the size of the viewport

    The size affects for example the visibility of scrollbars
    if the document is larger than the viewport.

    By default, for a newly-created Web page, this property contains a size with
    zero width and height.
*/
void QWebPage::setViewportSize(const QSize &size) const
{
    d->viewportSize = size;

    QWebFrame *frame = mainFrame();
    if (frame->d->frame && frame->d->frame->view()) {
        WebCore::FrameView* view = frame->d->frame->view();
        view->setFrameRect(QRect(QPoint(0, 0), size));
        view->forceLayout();
        view->adjustViewSize();
    }
}

QSize QWebPage::fixedLayoutSize() const
{
    if (d->mainFrame && d->mainFrame->d->frame->view())
        return d->mainFrame->d->frame->view()->fixedLayoutSize();

    return d->fixedLayoutSize;
}

/*!
    \property QWebPage::fixedLayoutSize
    \since 4.6
    \brief the size of the fixed layout

    The size affects the layout of the page in the viewport.  If set to a fixed size of
    1024x768 for example then webkit will layout the page as if the viewport were that size
    rather than something different.
*/
void QWebPage::setFixedLayoutSize(const QSize &size) const
{
    d->fixedLayoutSize = size;

    QWebFrame *frame = mainFrame();
    if (frame->d->frame && frame->d->frame->view()) {
        WebCore::FrameView* view = frame->d->frame->view();
        view->setFixedLayoutSize(size);
        view->forceLayout();
    }
}

bool QWebPage::useFixedLayout() const
{
    return d->useFixedLayout;
}

/*!
    \property QWebPage::usedFixedLayout
    \since 4.6
    \brief whether to use a fixed layout size
*/
void QWebPage::setUseFixedLayout(bool useFixedLayout)
{
    d->useFixedLayout = useFixedLayout;

    QWebFrame *frame = mainFrame();
    if (frame->d->frame && frame->d->frame->view()) {
        WebCore::FrameView* view = frame->d->frame->view();
        view->setUseFixedLayout(useFixedLayout);
        view->forceLayout();
    }
}

/*!
    \fn bool QWebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, QWebPage::NavigationType type)

    This function is called whenever WebKit requests to navigate \a frame to the resource specified by \a request by means of
    the specified navigation type \a type.

    If \a frame is a null pointer then navigation to a new window is requested. If the request is
    accepted createWindow() will be called.

    The default implementation interprets the page's linkDelegationPolicy and emits linkClicked accordingly or returns true
    to let QWebPage handle the navigation itself.

    \sa createWindow()
*/
#if QT_VERSION >= 0x040400
bool QWebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, QWebPage::NavigationType type)
#else
bool QWebPage::acceptNavigationRequest(QWebFrame *frame, const QWebNetworkRequest &request, QWebPage::NavigationType type)
#endif
{
    if (type == NavigationTypeLinkClicked) {
        switch (d->linkPolicy) {
            case DontDelegateLinks:
                return true;

            case DelegateExternalLinks:
                if (WebCore::FrameLoader::shouldTreatSchemeAsLocal(request.url().scheme()))
                    return true;
                emit linkClicked(request.url());
                return false;

            case DelegateAllLinks:
                emit linkClicked(request.url());
                return false;
        }
    }
    return true;
}

/*!
    \property QWebPage::selectedText
    \brief the text currently selected

    By default, this property contains an empty string.

    \sa selectionChanged()
*/
QString QWebPage::selectedText() const
{
    return d->page->focusController()->focusedOrMainFrame()->selectedText();
}

/*!
   Returns a QAction for the specified WebAction \a action.

   The action is owned by the QWebPage but you can customize the look by
   changing its properties.

   QWebPage also takes care of implementing the action, so that upon
   triggering the corresponding action is performed on the page.

   \sa triggerAction()
*/
QAction *QWebPage::action(WebAction action) const
{
    if (action == QWebPage::NoWebAction) return 0;
    if (d->actions[action])
        return d->actions[action];

    QString text;
    QIcon icon;
    QStyle *style = view() ? view()->style() : qApp->style();
    bool checkable = false;

    switch (action) {
        case OpenLink:
            text = contextMenuItemTagOpenLink();
            break;
        case OpenLinkInNewWindow:
            text = contextMenuItemTagOpenLinkInNewWindow();
            break;
        case OpenFrameInNewWindow:
            text = contextMenuItemTagOpenFrameInNewWindow();
            break;

        case DownloadLinkToDisk:
            text = contextMenuItemTagDownloadLinkToDisk();
            break;
        case CopyLinkToClipboard:
            text = contextMenuItemTagCopyLinkToClipboard();
            break;

        case OpenImageInNewWindow:
            text = contextMenuItemTagOpenImageInNewWindow();
            break;
        case DownloadImageToDisk:
            text = contextMenuItemTagDownloadImageToDisk();
            break;
        case CopyImageToClipboard:
            text = contextMenuItemTagCopyImageToClipboard();
            break;

        case Back:
            text = contextMenuItemTagGoBack();
#if QT_VERSION >= 0x040400
            icon = style->standardIcon(QStyle::SP_ArrowBack);
#endif
            break;
        case Forward:
            text = contextMenuItemTagGoForward();
#if QT_VERSION >= 0x040400
            icon = style->standardIcon(QStyle::SP_ArrowForward);
#endif
            break;
        case Stop:
            text = contextMenuItemTagStop();
#if QT_VERSION >= 0x040400
            icon = style->standardIcon(QStyle::SP_BrowserStop);
#endif
            break;
        case Reload:
            text = contextMenuItemTagReload();
#if QT_VERSION >= 0x040400
            icon = style->standardIcon(QStyle::SP_BrowserReload);
#endif
            break;

        case Cut:
            text = contextMenuItemTagCut();
            break;
        case Copy:
            text = contextMenuItemTagCopy();
            break;
        case Paste:
            text = contextMenuItemTagPaste();
            break;
#ifndef QT_NO_UNDOSTACK
        case Undo: {
            QAction *a = undoStack()->createUndoAction(d->q);
            d->actions[action] = a;
            return a;
        }
        case Redo: {
            QAction *a = undoStack()->createRedoAction(d->q);
            d->actions[action] = a;
            return a;
        }
#endif // QT_NO_UNDOSTACK
        case MoveToNextChar:
            text = tr("Move the cursor to the next character");
            break;
        case MoveToPreviousChar:
            text = tr("Move the cursor to the previous character");
            break;
        case MoveToNextWord:
            text = tr("Move the cursor to the next word");
            break;
        case MoveToPreviousWord:
            text = tr("Move the cursor to the previous word");
            break;
        case MoveToNextLine:
            text = tr("Move the cursor to the next line");
            break;
        case MoveToPreviousLine:
            text = tr("Move the cursor to the previous line");
            break;
        case MoveToStartOfLine:
            text = tr("Move the cursor to the start of the line");
            break;
        case MoveToEndOfLine:
            text = tr("Move the cursor to the end of the line");
            break;
        case MoveToStartOfBlock:
            text = tr("Move the cursor to the start of the block");
            break;
        case MoveToEndOfBlock:
            text = tr("Move the cursor to the end of the block");
            break;
        case MoveToStartOfDocument:
            text = tr("Move the cursor to the start of the document");
            break;
        case MoveToEndOfDocument:
            text = tr("Move the cursor to the end of the document");
            break;
        case SelectAll:
            text = tr("Select all");
            break;
        case SelectNextChar:
            text = tr("Select to the next character");
            break;
        case SelectPreviousChar:
            text = tr("Select to the previous character");
            break;
        case SelectNextWord:
            text = tr("Select to the next word");
            break;
        case SelectPreviousWord:
            text = tr("Select to the previous word");
            break;
        case SelectNextLine:
            text = tr("Select to the next line");
            break;
        case SelectPreviousLine:
            text = tr("Select to the previous line");
            break;
        case SelectStartOfLine:
            text = tr("Select to the start of the line");
            break;
        case SelectEndOfLine:
            text = tr("Select to the end of the line");
            break;
        case SelectStartOfBlock:
            text = tr("Select to the start of the block");
            break;
        case SelectEndOfBlock:
            text = tr("Select to the end of the block");
            break;
        case SelectStartOfDocument:
            text = tr("Select to the start of the document");
            break;
        case SelectEndOfDocument:
            text = tr("Select to the end of the document");
            break;
        case DeleteStartOfWord:
            text = tr("Delete to the start of the word");
            break;
        case DeleteEndOfWord:
            text = tr("Delete to the end of the word");
            break;

        case SetTextDirectionDefault:
            text = contextMenuItemTagDefaultDirection();
            break;
        case SetTextDirectionLeftToRight:
            text = contextMenuItemTagLeftToRight();
            c