| /* |
| * Copyright (C) 2007 Apple Inc. All rights reserved. |
| * 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 "ClipboardQt.h" |
| |
| #include "CachedImage.h" |
| #include "CSSHelper.h" |
| #include "Document.h" |
| #include "Element.h" |
| #include "FileList.h" |
| #include "Frame.h" |
| #include "HTMLNames.h" |
| #include "Image.h" |
| #include "IntPoint.h" |
| #include "KURL.h" |
| #include "markup.h" |
| #include "NotImplemented.h" |
| #include "PlatformString.h" |
| #include "Range.h" |
| #include "RenderImage.h" |
| #include "StringHash.h" |
| |
| #include <QList> |
| #include <QMimeData> |
| #include <QStringList> |
| #include <QUrl> |
| #include <QApplication> |
| #include <QClipboard> |
| #include <qdebug.h> |
| |
| #define methodDebug() qDebug("ClipboardQt: %s", __FUNCTION__) |
| |
| namespace WebCore { |
| |
| ClipboardQt::ClipboardQt(ClipboardAccessPolicy policy, const QMimeData* readableClipboard) |
| : Clipboard(policy, true) |
| , m_readableData(readableClipboard) |
| , m_writableData(0) |
| { |
| Q_ASSERT(policy == ClipboardReadable || policy == ClipboardTypesReadable); |
| } |
| |
| ClipboardQt::ClipboardQt(ClipboardAccessPolicy policy, bool forDragging) |
| : Clipboard(policy, forDragging) |
| , m_readableData(0) |
| , m_writableData(0) |
| { |
| Q_ASSERT(policy == ClipboardReadable || policy == ClipboardWritable || policy == ClipboardNumb); |
| |
| #ifndef QT_NO_CLIPBOARD |
| if (policy != ClipboardWritable) { |
| Q_ASSERT(!forDragging); |
| m_readableData = QApplication::clipboard()->mimeData(); |
| } |
| #endif |
| } |
| |
| ClipboardQt::~ClipboardQt() |
| { |
| if (m_writableData && !isForDragging()) |
| m_writableData = 0; |
| else |
| delete m_writableData; |
| m_readableData = 0; |
| } |
| |
| void ClipboardQt::clearData(const String& type) |
| { |
| if (policy() != ClipboardWritable) |
| return; |
| |
| if (m_writableData) { |
| #if QT_VERSION >= 0x040400 |
| m_writableData->removeFormat(type); |
| #else |
| const QString toClearType = type; |
| QMap<QString, QByteArray> formats; |
| foreach (QString format, m_writableData->formats()) { |
| if (format != toClearType) |
| formats[format] = m_writableData->data(format); |
| } |
| |
| m_writableData->clear(); |
| QMap<QString, QByteArray>::const_iterator it, end = formats.constEnd(); |
| for (it = formats.begin(); it != end; ++it) |
| m_writableData->setData(it.key(), it.value()); |
| #endif |
| if (m_writableData->formats().isEmpty()) { |
| if (isForDragging()) |
| delete m_writableData; |
| m_writableData = 0; |
| } |
| } |
| #ifndef QT_NO_CLIPBOARD |
| if (!isForDragging()) |
| QApplication::clipboard()->setMimeData(m_writableData); |
| #endif |
| } |
| |
| void ClipboardQt::clearAllData() |
| { |
| if (policy() != ClipboardWritable) |
| return; |
| |
| #ifndef QT_NO_CLIPBOARD |
| if (!isForDragging()) |
| QApplication::clipboard()->setMimeData(0); |
| else |
| #endif |
| delete m_writableData; |
| m_writableData = 0; |
| } |
| |
| String ClipboardQt::getData(const String& type, bool& success) const |
| { |
| |
| if (policy() != ClipboardReadable) { |
| success = false; |
| return String(); |
| } |
| |
| ASSERT(m_readableData); |
| QByteArray data = m_readableData->data(QString(type)); |
| success = !data.isEmpty(); |
| return String(data.data(), data.size()); |
| } |
| |
| bool ClipboardQt::setData(const String& type, const String& data) |
| { |
| if (policy() != ClipboardWritable) |
| return false; |
| |
| if (!m_writableData) |
| m_writableData = new QMimeData; |
| QByteArray array(reinterpret_cast<const char*>(data.characters()), |
| data.length()*2); |
| m_writableData->setData(QString(type), array); |
| #ifndef QT_NO_CLIPBOARD |
| if (!isForDragging()) |
| QApplication::clipboard()->setMimeData(m_writableData); |
| #endif |
| return true; |
| } |
| |
| // extensions beyond IE's API |
| HashSet<String> ClipboardQt::types() const |
| { |
| if (policy() != ClipboardReadable && policy() != ClipboardTypesReadable) |
| return HashSet<String>(); |
| |
| ASSERT(m_readableData); |
| HashSet<String> result; |
| QStringList formats = m_readableData->formats(); |
| for (int i = 0; i < formats.count(); ++i) |
| result.add(formats.at(i)); |
| return result; |
| } |
| |
| PassRefPtr<FileList> ClipboardQt::files() const |
| { |
| notImplemented(); |
| return 0; |
| } |
| |
| void ClipboardQt::setDragImage(CachedImage* image, const IntPoint& point) |
| { |
| setDragImage(image, 0, point); |
| } |
| |
| void ClipboardQt::setDragImageElement(Node* node, const IntPoint& point) |
| { |
| setDragImage(0, node, point); |
| } |
| |
| void ClipboardQt::setDragImage(CachedImage* image, Node *node, const IntPoint &loc) |
| { |
| if (policy() != ClipboardImageWritable && policy() != ClipboardWritable) |
| return; |
| |
| if (m_dragImage) |
| m_dragImage->removeClient(this); |
| m_dragImage = image; |
| if (m_dragImage) |
| m_dragImage->addClient(this); |
| |
| m_dragLoc = loc; |
| m_dragImageElement = node; |
| } |
| |
| DragImageRef ClipboardQt::createDragImage(IntPoint& dragLoc) const |
| { |
| if (!m_dragImage) |
| return 0; |
| dragLoc = m_dragLoc; |
| return m_dragImage->image()->nativeImageForCurrentFrame(); |
| } |
| |
| |
| static CachedImage* getCachedImage(Element* element) |
| { |
| // Attempt to pull CachedImage from element |
| ASSERT(element); |
| RenderObject* renderer = element->renderer(); |
| if (!renderer || !renderer->isImage()) |
| return 0; |
| |
| RenderImage* image = static_cast<RenderImage*>(renderer); |
| if (image->cachedImage() && !image->cachedImage()->errorOccurred()) |
| return image->cachedImage(); |
| |
| return 0; |
| } |
| |
| void ClipboardQt::declareAndWriteDragImage(Element* element, const KURL& url, const String& title, Frame* frame) |
| { |
| ASSERT(frame); |
| Q_UNUSED(url); |
| Q_UNUSED(title); |
| |
| //WebCore::writeURL(m_writableDataObject.get(), url, title, true, false); |
| if (!m_writableData) |
| m_writableData = new QMimeData; |
| |
| CachedImage* cachedImage = getCachedImage(element); |
| if (!cachedImage || !cachedImage->image() || !cachedImage->isLoaded()) |
| return; |
| QPixmap *pixmap = cachedImage->image()->nativeImageForCurrentFrame(); |
| if (pixmap) |
| m_writableData->setImageData(*pixmap); |
| |
| AtomicString imageURL = element->getAttribute(HTMLNames::srcAttr); |
| if (imageURL.isEmpty()) |
| return; |
| |
| KURL fullURL = frame->document()->completeURL(parseURL(imageURL)); |
| if (fullURL.isEmpty()) |
| return; |
| |
| QList<QUrl> urls; |
| urls.append(fullURL); |
| |
| m_writableData->setUrls(urls); |
| #ifndef QT_NO_CLIPBOARD |
| if (!isForDragging()) |
| QApplication::clipboard()->setMimeData(m_writableData); |
| #endif |
| } |
| |
| void ClipboardQt::writeURL(const KURL& url, const String& title, Frame* frame) |
| { |
| ASSERT(frame); |
| |
| QList<QUrl> urls; |
| urls.append(frame->document()->completeURL(url.string())); |
| if (!m_writableData) |
| m_writableData = new QMimeData; |
| m_writableData->setUrls(urls); |
| m_writableData->setText(title); |
| #ifndef QT_NO_CLIPBOARD |
| if (!isForDragging()) |
| QApplication::clipboard()->setMimeData(m_writableData); |
| #endif |
| } |
| |
| void ClipboardQt::writeRange(Range* range, Frame* frame) |
| { |
| ASSERT(range); |
| ASSERT(frame); |
| |
| if (!m_writableData) |
| m_writableData = new QMimeData; |
| QString text = frame->selectedText(); |
| text.replace(QChar(0xa0), QLatin1Char(' ')); |
| m_writableData->setText(text); |
| m_writableData->setHtml(createMarkup(range, 0, AnnotateForInterchange)); |
| #ifndef QT_NO_CLIPBOARD |
| if (!isForDragging()) |
| QApplication::clipboard()->setMimeData(m_writableData); |
| #endif |
| } |
| |
| bool ClipboardQt::hasData() |
| { |
| const QMimeData *data = m_readableData ? m_readableData : m_writableData; |
| if (!data) |
| return false; |
| return data->formats().count() > 0; |
| } |
| |
| } |