/* | |
* 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) { | |
m_writableData->removeFormat(type); | |
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 = toRenderImage(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); | |
//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(deprecatedParseURL(imageURL)); | |
if (fullURL.isEmpty()) | |
return; | |
QList<QUrl> urls; | |
urls.append(url); | |
urls.append(fullURL); | |
m_writableData->setText(title); | |
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 | |
} | |
void ClipboardQt::writePlainText(const String& str) | |
{ | |
if (!m_writableData) | |
m_writableData = new QMimeData; | |
QString text = str; | |
text.replace(QChar(0xa0), QLatin1Char(' ')); | |
m_writableData->setText(text); | |
#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; | |
} | |
} |