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/*
* 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 "WebKitDLL.h"
#include "WebIconFetcher.h"
#include "MemoryStream.h"
#include <WebCore/COMPtr.h>
#include <WebCore/SharedBuffer.h>
#include <wtf/PassRefPtr.h>
using namespace WebCore;
class WebIconFetcherClient : public IconFetcherClient {
public:
WebIconFetcherClient(IWebIconFetcherDelegate* delegate)
: m_fetcher(0)
, m_delegate(delegate)
{
}
virtual void finishedFetchingIcon(PassRefPtr<SharedBuffer> iconData)
{
COMPtr<MemoryStream> memoryStream;
if (iconData)
memoryStream.adoptRef(MemoryStream::createInstance(iconData));
m_delegate->finishedLoadingIcon(m_fetcher, memoryStream.get());
delete this;
}
void setFetcher(WebIconFetcher *fetcher) { m_fetcher = fetcher; }
private:
WebIconFetcher* m_fetcher;
COMPtr<IWebIconFetcherDelegate> m_delegate;
};
// WebIconFetcher -------------------------------------------------------------------
WebIconFetcher* WebIconFetcher::fetchApplicationIcon(Frame* frame, IWebIconFetcherDelegate* delegate)
{
WebIconFetcherClient* client = new WebIconFetcherClient(delegate);
RefPtr<IconFetcher> fetcher = IconFetcher::create(frame, client);
if (!fetcher)
return 0;
COMPtr<WebIconFetcher> iconFetcher = new WebIconFetcher(fetcher.release());
client->setFetcher(iconFetcher.get());
return iconFetcher.releaseRef();
}
WebIconFetcher::WebIconFetcher(PassRefPtr<IconFetcher> iconFetcher)
: m_refCount(0)
, m_iconFetcher(iconFetcher)
{
gClassCount++;
}
WebIconFetcher::~WebIconFetcher()
{
gClassCount--;
}
// IUnknown -------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE WebIconFetcher::QueryInterface(REFIID riid, void** ppvObject)
{
*ppvObject = 0;
if (IsEqualGUID(riid, IID_IUnknown))
*ppvObject = static_cast<IUnknown*>(this);
else if (IsEqualGUID(riid, IID_IWebIconFetcher))
*ppvObject = static_cast<IWebIconFetcher*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
ULONG STDMETHODCALLTYPE WebIconFetcher::AddRef()
{
return ++m_refCount;
}
ULONG STDMETHODCALLTYPE WebIconFetcher::Release()
{
ULONG newRef = --m_refCount;
if (!newRef)
delete this;
return newRef;
}
// IUnknown -------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE WebIconFetcher::cancel()
{
m_iconFetcher->cancel();
return S_OK;
}
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