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-rw-r--r--WebCore/loader/ImageDocument.cpp366
1 files changed, 0 insertions, 366 deletions
diff --git a/WebCore/loader/ImageDocument.cpp b/WebCore/loader/ImageDocument.cpp
deleted file mode 100644
index 39b1db6..0000000
--- a/WebCore/loader/ImageDocument.cpp
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
- *
- * 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,
- * 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 "ImageDocument.h"
-
-#include "CachedImage.h"
-#include "DocumentLoader.h"
-#include "Element.h"
-#include "EventListener.h"
-#include "EventNames.h"
-#include "Frame.h"
-#include "FrameLoader.h"
-#include "FrameView.h"
-#include "HTMLImageElement.h"
-#include "HTMLNames.h"
-#include "LocalizedStrings.h"
-#include "MouseEvent.h"
-#include "Page.h"
-#include "SegmentedString.h"
-#include "Settings.h"
-#include "Text.h"
-#include "XMLTokenizer.h"
-
-using std::min;
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-class ImageEventListener : public EventListener {
-public:
- static PassRefPtr<ImageEventListener> create(ImageDocument* document) { return adoptRef(new ImageEventListener(document)); }
- virtual void handleEvent(Event*, bool isWindowEvent);
-
-private:
- ImageEventListener(ImageDocument* document) : m_doc(document) { }
- ImageDocument* m_doc;
-};
-
-class ImageTokenizer : public Tokenizer {
-public:
- ImageTokenizer(ImageDocument* doc) : m_doc(doc) {}
-
- virtual bool write(const SegmentedString&, bool appendData);
- virtual void finish();
- virtual bool isWaitingForScripts() const;
-
- virtual bool wantsRawData() const { return true; }
- virtual bool writeRawData(const char* data, int len);
-
-private:
- ImageDocument* m_doc;
-};
-
-class ImageDocumentElement : public HTMLImageElement {
-public:
- ImageDocumentElement(ImageDocument* doc) : HTMLImageElement(doc), m_imageDocument(doc) { }
- virtual ~ImageDocumentElement();
- virtual void willMoveToNewOwnerDocument();
-
-private:
- ImageDocument* m_imageDocument;
-};
-
-// --------
-
-bool ImageTokenizer::write(const SegmentedString& s, bool appendData)
-{
- ASSERT_NOT_REACHED();
- return false;
-}
-
-bool ImageTokenizer::writeRawData(const char* data, int len)
-{
- CachedImage* cachedImage = m_doc->cachedImage();
- cachedImage->data(m_doc->frame()->loader()->documentLoader()->mainResourceData(), false);
-
- m_doc->imageChanged();
-
- return false;
-}
-
-void ImageTokenizer::finish()
-{
- if (!m_parserStopped && m_doc->imageElement()) {
- CachedImage* cachedImage = m_doc->cachedImage();
- RefPtr<SharedBuffer> data = m_doc->frame()->loader()->documentLoader()->mainResourceData();
-
- // If this is a multipart image, make a copy of the current part, since the resource data
- // will be overwritten by the next part.
- if (m_doc->frame()->loader()->documentLoader()->isLoadingMultipartContent())
- data = data->copy();
-
- cachedImage->data(data.release(), true);
- cachedImage->finish();
-
- cachedImage->setResponse(m_doc->frame()->loader()->documentLoader()->response());
-
- IntSize size = cachedImage->imageSize(m_doc->frame()->pageZoomFactor());
- if (size.width()) {
- // Compute the title, we use the filename of the resource, falling
- // back on the hostname if there is no path.
- String fileName = m_doc->url().lastPathComponent();
- if (fileName.isEmpty())
- fileName = m_doc->url().host();
- m_doc->setTitle(imageTitle(fileName, size));
- }
-
- m_doc->imageChanged();
- }
-
- m_doc->finishedParsing();
-}
-
-bool ImageTokenizer::isWaitingForScripts() const
-{
- // An image document is never waiting for scripts
- return false;
-}
-
-// --------
-
-ImageDocument::ImageDocument(Frame* frame)
- : HTMLDocument(frame)
- , m_imageElement(0)
- , m_imageSizeIsKnown(false)
- , m_didShrinkImage(false)
- , m_shouldShrinkImage(shouldShrinkToFit())
-{
- setParseMode(Compat);
-}
-
-Tokenizer* ImageDocument::createTokenizer()
-{
- return new ImageTokenizer(this);
-}
-
-void ImageDocument::createDocumentStructure()
-{
- ExceptionCode ec;
-
- RefPtr<Element> rootElement = createElementNS(xhtmlNamespaceURI, "html", ec);
- appendChild(rootElement, ec);
-
- RefPtr<Element> body = createElementNS(xhtmlNamespaceURI, "body", ec);
- body->setAttribute(styleAttr, "margin: 0px;");
-
- rootElement->appendChild(body, ec);
-
- RefPtr<ImageDocumentElement> imageElement = new ImageDocumentElement(this);
-
- imageElement->setAttribute(styleAttr, "-webkit-user-select: none");
- imageElement->setLoadManually(true);
- imageElement->setSrc(url().string());
-
- body->appendChild(imageElement, ec);
-
- if (shouldShrinkToFit()) {
- // Add event listeners
- RefPtr<EventListener> listener = ImageEventListener::create(this);
- addWindowEventListener("resize", listener, false);
- imageElement->addEventListener("click", listener.release(), false);
- }
-
- m_imageElement = imageElement.get();
-}
-
-float ImageDocument::scale() const
-{
- if (!m_imageElement)
- return 1.0f;
-
- IntSize imageSize = m_imageElement->cachedImage()->imageSize(frame()->pageZoomFactor());
- IntSize windowSize = IntSize(frame()->view()->width(), frame()->view()->height());
-
- float widthScale = (float)windowSize.width() / imageSize.width();
- float heightScale = (float)windowSize.height() / imageSize.height();
-
- return min(widthScale, heightScale);
-}
-
-void ImageDocument::resizeImageToFit()
-{
- if (!m_imageElement)
- return;
-
- IntSize imageSize = m_imageElement->cachedImage()->imageSize(frame()->pageZoomFactor());
-
- float scale = this->scale();
- m_imageElement->setWidth(static_cast<int>(imageSize.width() * scale));
- m_imageElement->setHeight(static_cast<int>(imageSize.height() * scale));
-
- ExceptionCode ec;
- m_imageElement->style()->setProperty("cursor", "-webkit-zoom-in", ec);
-}
-
-void ImageDocument::imageClicked(int x, int y)
-{
- if (!m_imageSizeIsKnown || imageFitsInWindow())
- return;
-
- m_shouldShrinkImage = !m_shouldShrinkImage;
-
- if (m_shouldShrinkImage)
- windowSizeChanged();
- else {
- restoreImageSize();
-
- updateLayout();
-
- float scale = this->scale();
-
- int scrollX = static_cast<int>(x / scale - (float)frame()->view()->width() / 2);
- int scrollY = static_cast<int>(y / scale - (float)frame()->view()->height() / 2);
-
- frame()->view()->setScrollPosition(IntPoint(scrollX, scrollY));
- }
-}
-
-void ImageDocument::imageChanged()
-{
- ASSERT(m_imageElement);
-
- if (m_imageSizeIsKnown)
- return;
-
- if (m_imageElement->cachedImage()->imageSize(frame()->pageZoomFactor()).isEmpty())
- return;
-
- m_imageSizeIsKnown = true;
-
- if (shouldShrinkToFit()) {
- // Force resizing of the image
- windowSizeChanged();
- }
-}
-
-void ImageDocument::restoreImageSize()
-{
- if (!m_imageElement || !m_imageSizeIsKnown)
- return;
-
- m_imageElement->setWidth(m_imageElement->cachedImage()->imageSize(frame()->pageZoomFactor()).width());
- m_imageElement->setHeight(m_imageElement->cachedImage()->imageSize(frame()->pageZoomFactor()).height());
-
- ExceptionCode ec;
- if (imageFitsInWindow())
- m_imageElement->style()->removeProperty("cursor", ec);
- else
- m_imageElement->style()->setProperty("cursor", "-webkit-zoom-out", ec);
-
- m_didShrinkImage = false;
-}
-
-bool ImageDocument::imageFitsInWindow() const
-{
- if (!m_imageElement)
- return true;
-
- IntSize imageSize = m_imageElement->cachedImage()->imageSize(frame()->pageZoomFactor());
- IntSize windowSize = IntSize(frame()->view()->width(), frame()->view()->height());
-
- return imageSize.width() <= windowSize.width() && imageSize.height() <= windowSize.height();
-}
-
-void ImageDocument::windowSizeChanged()
-{
- if (!m_imageElement || !m_imageSizeIsKnown)
- return;
-
- bool fitsInWindow = imageFitsInWindow();
-
- // If the image has been explicitly zoomed in, restore the cursor if the image fits
- // and set it to a zoom out cursor if the image doesn't fit
- if (!m_shouldShrinkImage) {
- ExceptionCode ec;
-
- if (fitsInWindow)
- m_imageElement->style()->removeProperty("cursor", ec);
- else
- m_imageElement->style()->setProperty("cursor", "-webkit-zoom-out", ec);
- return;
- }
-
- if (m_didShrinkImage) {
- // If the window has been resized so that the image fits, restore the image size
- // otherwise update the restored image size.
- if (fitsInWindow)
- restoreImageSize();
- else
- resizeImageToFit();
- } else {
- // If the image isn't resized but needs to be, then resize it.
- if (!fitsInWindow) {
- resizeImageToFit();
- m_didShrinkImage = true;
- }
- }
-}
-
-CachedImage* ImageDocument::cachedImage()
-{
- if (!m_imageElement)
- createDocumentStructure();
-
- return m_imageElement->cachedImage();
-}
-
-bool ImageDocument::shouldShrinkToFit() const
-{
- return frame()->page()->settings()->shrinksStandaloneImagesToFit() &&
- frame()->page()->mainFrame() == frame();
-}
-
-// --------
-
-void ImageEventListener::handleEvent(Event* event, bool isWindowEvent)
-{
- if (event->type() == eventNames().resizeEvent)
- m_doc->windowSizeChanged();
- else if (event->type() == eventNames().clickEvent) {
- MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
- m_doc->imageClicked(mouseEvent->x(), mouseEvent->y());
- }
-}
-
-// --------
-
-ImageDocumentElement::~ImageDocumentElement()
-{
- if (m_imageDocument)
- m_imageDocument->disconnectImageElement();
-}
-
-void ImageDocumentElement::willMoveToNewOwnerDocument()
-{
- if (m_imageDocument) {
- m_imageDocument->disconnectImageElement();
- m_imageDocument = 0;
- }
- HTMLImageElement::willMoveToNewOwnerDocument();
-}
-
-}