📄 pasteboardqt.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
💻 CPP
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/* * Copyright (C) 2006 Zack Rusin <zack@kde.org> * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved. * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  */#include "config.h"#include "Pasteboard.h"#include "DocumentFragment.h"#include "Editor.h"#include "Frame.h"#include "Image.h"#include "markup.h"#include "RenderImage.h"#include <qdebug.h>#include <qclipboard.h>#include <qmimedata.h>#include <qapplication.h>#include <qurl.h>#define methodDebug() qDebug() << "PasteboardQt: " << __FUNCTION__;namespace WebCore {    Pasteboard::Pasteboard()     : m_selectionMode(false){}Pasteboard* Pasteboard::generalPasteboard(){    static Pasteboard* pasteboard = 0;    if (!pasteboard)        pasteboard = new Pasteboard();    return pasteboard;}void Pasteboard::writeSelection(Range* selectedRange, bool, Frame* frame){    QMimeData* md = new QMimeData;    QString text = frame->selectedText();    text.replace(QChar(0xa0), QLatin1Char(' '));    md->setText(text);    QString html = QLatin1String("<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /></head><body>");    html += createMarkup(selectedRange, 0, AnnotateForInterchange);    html += QLatin1String("</body></html>");    md->setHtml(html);#ifndef QT_NO_CLIPBOARD    QApplication::clipboard()->setMimeData(md, m_selectionMode ?             QClipboard::Selection : QClipboard::Clipboard);#endif}bool Pasteboard::canSmartReplace(){    return false;}String Pasteboard::plainText(Frame*){#ifndef QT_NO_CLIPBOARD    return QApplication::clipboard()->text(m_selectionMode ?             QClipboard::Selection : QClipboard::Clipboard);#else    return String();#endif}PassRefPtr<DocumentFragment> Pasteboard::documentFragment(Frame* frame, PassRefPtr<Range> context,                                                          bool allowPlainText, bool& chosePlainText){#ifndef QT_NO_CLIPBOARD    const QMimeData* mimeData = QApplication::clipboard()->mimeData(            m_selectionMode ? QClipboard::Selection : QClipboard::Clipboard);    chosePlainText = false;    if (mimeData->hasHtml()) {        QString html = mimeData->html();        if (!html.isEmpty()) {            RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(frame->document(), html, "");            if (fragment)                return fragment.release();        }    }    if (allowPlainText && mimeData->hasText()) {        chosePlainText = true;        RefPtr<DocumentFragment> fragment = createFragmentFromText(context.get(), mimeData->text());        if (fragment)            return fragment.release();    }#endif    return 0;}void Pasteboard::writeURL(const KURL& _url, const String&, Frame*){    ASSERT(!_url.isEmpty());#ifndef QT_NO_CLIPBOARD    QMimeData* md = new QMimeData;    QString url = _url.string();    md->setText(url);    md->setUrls(QList<QUrl>() << QUrl(url));    QApplication::clipboard()->setMimeData(md, m_selectionMode ?            QClipboard::Selection : QClipboard::Clipboard);#endif}void Pasteboard::writeImage(Node* node, const KURL&, const String&){    ASSERT(node && node->renderer() && node->renderer()->isImage());#ifndef QT_NO_CLIPBOARD    CachedImage* cachedImage = static_cast<RenderImage*>(node->renderer())->cachedImage();    ASSERT(cachedImage);    Image* image = cachedImage->image();    ASSERT(image);    QPixmap* pixmap = image->nativeImageForCurrentFrame();    ASSERT(pixmap);    QApplication::clipboard()->setPixmap(*pixmap, QClipboard::Clipboard);#endif}/* This function is called from Editor::tryDHTMLCopy before actually set the clipboard * It introduce a race condition with klipper, which will try to grab the clipboard  * It's not required to clear it anyway, since QClipboard take care about replacing the clipboard */void Pasteboard::clear(){}bool Pasteboard::isSelectionMode() const{    return m_selectionMode;}void Pasteboard::setSelectionMode(bool selectionMode){    m_selectionMode = selectionMode;}}
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