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Diffstat (limited to 'WebCore/loader/icon/IconFetcher.cpp')
| -rw-r--r-- | WebCore/loader/icon/IconFetcher.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/WebCore/loader/icon/IconFetcher.cpp b/WebCore/loader/icon/IconFetcher.cpp deleted file mode 100644 index efa7e14..0000000 --- a/WebCore/loader/icon/IconFetcher.cpp +++ /dev/null @@ -1,236 +0,0 @@ -/* - * Copyright (C) 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 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 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 "IconFetcher.h" - -#include "Document.h" -#include "Frame.h" -#include "HTMLHeadElement.h" -#include "HTMLLinkElement.h" -#include "HTMLNames.h" -#include "MIMETypeRegistry.h" -#include "ResourceHandle.h" -#include "ResourceRequest.h" -#include "SharedBuffer.h" -#include <wtf/PassRefPtr.h> - -namespace WebCore { - -using namespace HTMLNames; - -struct IconLinkEntry { -public: - enum IconType { - Unknown, - ICNS, - ICO, - }; - - IconLinkEntry(IconType type, const KURL& url) - : m_type(type) - , m_url(url) - { - } - - IconType type() const { return m_type; } - const KURL& url() const { return m_url; } - - SharedBuffer* buffer() - { - if (!m_buffer) - m_buffer = SharedBuffer::create(); - - return m_buffer.get(); - } - -private: - RefPtr<SharedBuffer> m_buffer; - IconType m_type; - KURL m_url; -}; - -#if PLATFORM(MAC) -static const IconLinkEntry::IconType NativeIconType = IconLinkEntry::ICNS; -#elif PLATFORM(WIN) -static const IconLinkEntry::IconType NativeIconType = IconLinkEntry::ICO; -#else -static const IconLinkEntry::IconType NativeIconType = IconLinkEntry::Unknown; -#endif - -static void parseIconLink(HTMLLinkElement* link, Vector<IconLinkEntry>& entries) -{ - // FIXME: Parse the size attribute too. - - IconLinkEntry::IconType type = IconLinkEntry::Unknown; - const KURL& url = link->href(); - - // Try to determine the file type. - String path = url.path(); - - int pos = path.reverseFind('.'); - if (pos >= 0) { - String extension = path.substring(pos + 1); - if (equalIgnoringCase(extension, "icns")) - type = IconLinkEntry::ICNS; - else if (equalIgnoringCase(extension, "ico")) - type = IconLinkEntry::ICO; - } - - entries.append(IconLinkEntry(type, url)); -} - -PassRefPtr<IconFetcher> IconFetcher::create(Frame* frame, IconFetcherClient* client) -{ - Document* document = frame->document(); - if (!document) - return 0; - - HTMLHeadElement* head = document->head(); - if (!head) - return 0; - - Vector<IconLinkEntry> entries; - - for (Node* n = head; n; n = n->traverseNextNode()) { - if (!n->hasTagName(linkTag)) - continue; - - HTMLLinkElement* link = static_cast<HTMLLinkElement*>(n); - if (!link->isIcon()) - continue; - - parseIconLink(link, entries); - } - - if (entries.isEmpty()) - return 0; - - // Check if any of the entries have the same type as the native icon type. - - // FIXME: This should be way more sophisticated, and handle conversion - // of multisize formats for example. - for (unsigned i = 0; i < entries.size(); i++) { - const IconLinkEntry& entry = entries[i]; - if (entry.type() == NativeIconType) { - RefPtr<IconFetcher> iconFetcher = adoptRef(new IconFetcher(frame, client)); - - iconFetcher->m_entries.append(entry); - iconFetcher->loadEntry(); - - return iconFetcher.release(); - } - } - - return 0; -} - -IconFetcher::IconFetcher(Frame* frame, IconFetcherClient* client) - : m_frame(frame) - , m_client(client) - , m_currentEntry(0) -{ -} - -IconFetcher::~IconFetcher() -{ - cancel(); -} - -void IconFetcher::cancel() -{ - if (m_handle) - m_handle->cancel(); -} - -PassRefPtr<SharedBuffer> IconFetcher::createIcon() -{ - ASSERT(!m_entries.isEmpty()); - - // For now, just return the data of the first entry. - return m_entries.first().buffer(); -} - - -void IconFetcher::loadEntry() -{ - ASSERT(m_currentEntry < m_entries.size()); - ASSERT(!m_handle); - - m_handle = ResourceHandle::create(m_entries[m_currentEntry].url(), this, m_frame, false, false); -} - -void IconFetcher::loadFailed() -{ - m_handle = 0; - - m_client->finishedFetchingIcon(0); -} - -void IconFetcher::didReceiveResponse(ResourceHandle* handle, const ResourceResponse& response) -{ - ASSERT(m_handle == handle); - - int statusCode = response.httpStatusCode() / 100; - if (statusCode == 4 || statusCode == 5) { - loadFailed(); - return; - } -} - -void IconFetcher::didReceiveData(ResourceHandle* handle, const char* data, int length, int lengthReceived) -{ - ASSERT(m_handle == handle); - - m_entries[m_currentEntry].buffer()->append(data, length); -} - -void IconFetcher::didFinishLoading(ResourceHandle* handle) -{ - ASSERT(m_handle == handle); - - if (m_currentEntry == m_entries.size() - 1) { - // We finished loading, create the icon - RefPtr<SharedBuffer> iconData = createIcon(); - - m_client->finishedFetchingIcon(iconData.release()); - return; - } - - // Load the next entry - m_currentEntry++; - - loadEntry(); -} - -void IconFetcher::didFail(ResourceHandle* handle, const ResourceError&) -{ - ASSERT(m_handle == handle); - - loadFailed(); -} - - -} // namespace WebCore |