diff options
Diffstat (limited to 'WebCore/loader/icon/IconLoader.cpp')
| -rw-r--r-- | WebCore/loader/icon/IconLoader.cpp | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/WebCore/loader/icon/IconLoader.cpp b/WebCore/loader/icon/IconLoader.cpp deleted file mode 100644 index 4337f51..0000000 --- a/WebCore/loader/icon/IconLoader.cpp +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (C) 2006 Apple Computer, 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, - * 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 "IconLoader.h" - -#include "Document.h" -#include "Frame.h" -#include "FrameLoader.h" -#include "FrameLoaderClient.h" -#include "IconDatabase.h" -#include "Logging.h" -#include "ResourceHandle.h" -#include "ResourceResponse.h" -#include "ResourceRequest.h" -#include "SubresourceLoader.h" - -using namespace std; - -namespace WebCore { - -IconLoader::IconLoader(Frame* frame) - : m_frame(frame) - , m_loadIsInProgress(false) -{ -} - -auto_ptr<IconLoader> IconLoader::create(Frame* frame) -{ - return auto_ptr<IconLoader>(new IconLoader(frame)); -} - -IconLoader::~IconLoader() -{ -} - -void IconLoader::startLoading() -{ - if (m_resourceLoader) - return; - - // FIXME: http://bugs.webkit.org/show_bug.cgi?id=10902 - // Once ResourceHandle will load without a DocLoader, we can remove this check. - // A frame may be documentless - one example is a frame containing only a PDF. - if (!m_frame->document()) { - LOG(IconDatabase, "Documentless-frame - icon won't be loaded"); - return; - } - - // Set flag so we can detect the case where the load completes before - // SubresourceLoader::create returns. - m_loadIsInProgress = true; - - RefPtr<SubresourceLoader> loader = SubresourceLoader::create(m_frame, this, m_frame->loader()->iconURL()); - if (!loader) - LOG_ERROR("Failed to start load for icon at url %s", m_frame->loader()->iconURL().string().ascii().data()); - - // Store the handle so we can cancel the load if stopLoading is called later. - // But only do it if the load hasn't already completed. - if (m_loadIsInProgress) - m_resourceLoader = loader.release(); -} - -void IconLoader::stopLoading() -{ - clearLoadingState(); -} - -void IconLoader::didReceiveResponse(SubresourceLoader* resourceLoader, const ResourceResponse& response) -{ - // If we got a status code indicating an invalid response, then lets - // ignore the data and not try to decode the error page as an icon. - int status = response.httpStatusCode(); - LOG(IconDatabase, "IconLoader::didReceiveResponse() - Loader %p, response %i", resourceLoader, status); - - if (status && (status < 200 || status > 299)) { - ResourceHandle* handle = resourceLoader->handle(); - finishLoading(handle ? handle->request().url() : KURL(), 0); - } -} - -void IconLoader::didReceiveData(SubresourceLoader* loader, const char*, int size) -{ - LOG(IconDatabase, "IconLoader::didReceiveData() - Loader %p, number of bytes %i", loader, size); -} - -void IconLoader::didFail(SubresourceLoader* resourceLoader, const ResourceError&) -{ - LOG(IconDatabase, "IconLoader::didFail() - Loader %p", resourceLoader); - - // Until <rdar://problem/5463392> is resolved and we can properly cancel SubresourceLoaders when they get an error response, - // we need to be prepared to receive this call even after we've "finished loading" once. - // After it is resolved, we can restore an assertion that the load is in progress if ::didFail() is called - - if (m_loadIsInProgress) { - ASSERT(resourceLoader == m_resourceLoader); - ResourceHandle* handle = resourceLoader->handle(); - finishLoading(handle ? handle->request().url() : KURL(), 0); - } -} - -void IconLoader::didReceiveAuthenticationChallenge(SubresourceLoader* resourceLoader, const AuthenticationChallenge& challenge) -{ - // We don't ever want to prompt for authentication just for a site icon, so - // implement this method to cancel the resource load - m_resourceLoader->cancel(); -} - -void IconLoader::didFinishLoading(SubresourceLoader* resourceLoader) -{ - LOG(IconDatabase, "IconLoader::didFinishLoading() - Loader %p", resourceLoader); - - // Until <rdar://problem/5463392> is resolved and we can properly cancel SubresourceLoaders when they get an error response, - // we need to be prepared to receive this call even after we've "finished loading" once. - // After it is resolved, we can restore an assertion that the load is in progress if ::didFail() is called - - if (m_loadIsInProgress) { - ASSERT(resourceLoader == m_resourceLoader); - ResourceHandle* handle = resourceLoader->handle(); - finishLoading(handle ? handle->request().url() : KURL(), m_resourceLoader->resourceData()); - } -} - -void IconLoader::finishLoading(const KURL& iconURL, PassRefPtr<SharedBuffer> data) -{ - // When an icon load results in a 404 we commit it to the database here and clear the loading state. - // But the SubresourceLoader continues pulling in data in the background for the 404 page if the server sends one. - // Once that data finishes loading or if the load is cancelled while that data is being read, finishLoading ends up being called a second time. - // We need to change SubresourceLoader to have a mode where it will stop itself after receiving a 404 so this won't happen - - // in the meantime, we'll only commit this data to the IconDatabase if it's the first time ::finishLoading() is called - // <rdar://problem/5463392> tracks that enhancement - - if (!iconURL.isEmpty() && m_loadIsInProgress) { - iconDatabase()->setIconDataForIconURL(data, iconURL.string()); - LOG(IconDatabase, "IconLoader::finishLoading() - Committing iconURL %s to database", iconURL.string().ascii().data()); - m_frame->loader()->commitIconURLToIconDatabase(iconURL); - m_frame->loader()->client()->dispatchDidReceiveIcon(); - } - - clearLoadingState(); -} - -void IconLoader::clearLoadingState() -{ - m_resourceLoader = 0; - m_loadIsInProgress = false; -} - -} |