blob: 5aa73d5bbd9d271cdebb97fc755e1853882131e0 [file] [log] [blame]
/*
* Copyright (C) 2006-2007, 2015 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 "WebKitDLL.h"
#include "WebBackForwardList.h"
#include "BackForwardList.h"
#include "WebFrame.h"
#include "WebKit.h"
#include "WebPreferences.h"
#include <WebCore/COMPtr.h>
#include <WebCore/HistoryItem.h>
using std::min;
using namespace WebCore;
// WebBackForwardList ----------------------------------------------------------------
// FIXME: Instead of this we could just create a class derived from BackForwardList
// with a pointer to a WebBackForwardList in it.
static HashMap<BackForwardList*, WebBackForwardList*>& backForwardListWrappers()
{
static HashMap<BackForwardList*, WebBackForwardList*> staticBackForwardListWrappers;
return staticBackForwardListWrappers;
}
WebBackForwardList::WebBackForwardList(RefPtr<BackForwardList>&& backForwardList)
: m_backForwardList(WTFMove(backForwardList))
{
ASSERT(!backForwardListWrappers().contains(m_backForwardList.get()));
backForwardListWrappers().set(m_backForwardList.get(), this);
gClassCount++;
gClassNameCount().add("WebBackForwardList");
}
WebBackForwardList::~WebBackForwardList()
{
ASSERT(m_backForwardList->closed());
ASSERT(backForwardListWrappers().contains(m_backForwardList.get()));
backForwardListWrappers().remove(m_backForwardList.get());
gClassCount--;
gClassNameCount().remove("WebBackForwardList");
}
WebBackForwardList* WebBackForwardList::createInstance(RefPtr<BackForwardList>&& backForwardList)
{
WebBackForwardList* instance = backForwardListWrappers().get(backForwardList.get());
if (!instance)
instance = new WebBackForwardList(WTFMove(backForwardList));
instance->AddRef();
return instance;
}
// IUnknown -------------------------------------------------------------------
HRESULT WebBackForwardList::QueryInterface(_In_ REFIID riid, _COM_Outptr_ void** ppvObject)
{
if (!ppvObject)
return E_POINTER;
*ppvObject = nullptr;
if (IsEqualGUID(riid, IID_IUnknown))
*ppvObject = static_cast<IWebBackForwardList*>(this);
else if (IsEqualGUID(riid, IID_IWebBackForwardList))
*ppvObject = static_cast<IWebBackForwardList*>(this);
else if (IsEqualGUID(riid, IID_IWebBackForwardListPrivate))
*ppvObject = static_cast<IWebBackForwardListPrivate*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
ULONG WebBackForwardList::AddRef()
{
return ++m_refCount;
}
ULONG WebBackForwardList::Release()
{
ULONG newRef = --m_refCount;
if (!newRef)
delete(this);
return newRef;
}
// IWebBackForwardList ---------------------------------------------------------
HRESULT WebBackForwardList::addItem(_In_opt_ IWebHistoryItem* item)
{
COMPtr<WebHistoryItem> webHistoryItem;
if (!item || FAILED(item->QueryInterface(&webHistoryItem)))
return E_FAIL;
m_backForwardList->addItem(*webHistoryItem->historyItem());
return S_OK;
}
HRESULT WebBackForwardList::goBack()
{
m_backForwardList->goBack();
return S_OK;
}
HRESULT WebBackForwardList::goForward()
{
m_backForwardList->goForward();
return S_OK;
}
HRESULT WebBackForwardList::goToItem(_In_opt_ IWebHistoryItem* item)
{
COMPtr<WebHistoryItem> webHistoryItem;
if (!item || FAILED(item->QueryInterface(&webHistoryItem)))
return E_FAIL;
m_backForwardList->goToItem(webHistoryItem->historyItem());
return S_OK;
}
HRESULT WebBackForwardList::backItem(_COM_Outptr_opt_ IWebHistoryItem** item)
{
if (!item)
return E_POINTER;
*item = nullptr;
HistoryItem* historyItem = m_backForwardList->backItem();
if (!historyItem)
return E_FAIL;
*item = WebHistoryItem::createInstance(historyItem);
return S_OK;
}
HRESULT WebBackForwardList::currentItem(_COM_Outptr_opt_ IWebHistoryItem** item)
{
if (!item)
return E_POINTER;
*item = nullptr;
HistoryItem* historyItem = m_backForwardList->currentItem();
if (!historyItem)
return E_FAIL;
*item = WebHistoryItem::createInstance(historyItem);
return S_OK;
}
HRESULT WebBackForwardList::forwardItem(_COM_Outptr_opt_ IWebHistoryItem** item)
{
if (!item)
return E_POINTER;
*item = nullptr;
HistoryItem* historyItem = m_backForwardList->forwardItem();
if (!historyItem)
return E_FAIL;
*item = WebHistoryItem::createInstance(historyItem);
return S_OK;
}
HRESULT WebBackForwardList::backListWithLimit(int limit, _Out_ int* listCount,
__deref_inout_opt IWebHistoryItem** list)
{
Vector<Ref<HistoryItem>> historyItemVector;
m_backForwardList->backListWithLimit(limit, historyItemVector);
*listCount = static_cast<int>(historyItemVector.size());
if (!list)
return E_NOT_SUFFICIENT_BUFFER;
for (unsigned i = 0; i < historyItemVector.size(); i++)
list[i] = WebHistoryItem::createInstance(historyItemVector[i].ptr());
return S_OK;
}
HRESULT WebBackForwardList::forwardListWithLimit(int limit, _Out_ int* listCount,
__deref_inout_opt IWebHistoryItem** list)
{
Vector<Ref<HistoryItem>> historyItemVector;
m_backForwardList->forwardListWithLimit(limit, historyItemVector);
*listCount = static_cast<int>(historyItemVector.size());
if (!list)
return E_NOT_SUFFICIENT_BUFFER;
for (unsigned i = 0; i < historyItemVector.size(); i++)
list[i] = WebHistoryItem::createInstance(historyItemVector[i].ptr());
return S_OK;
}
HRESULT WebBackForwardList::capacity(_Out_ int* result)
{
if (!result)
return E_POINTER;
*result = m_backForwardList->capacity();
return S_OK;
}
HRESULT WebBackForwardList::setCapacity(int size)
{
if (size < 0)
return E_FAIL;
m_backForwardList->setCapacity(size);
return S_OK;
}
HRESULT WebBackForwardList::backListCount(_Out_ int* count)
{
if (!count)
return E_POINTER;
*count = m_backForwardList->backListCount();
return S_OK;
}
HRESULT WebBackForwardList::forwardListCount(_Out_ int* count)
{
if (!count)
return E_POINTER;
*count = m_backForwardList->forwardListCount();
return S_OK;
}
HRESULT WebBackForwardList::containsItem(_In_opt_ IWebHistoryItem* item, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
COMPtr<WebHistoryItem> webHistoryItem;
if (!item || FAILED(item->QueryInterface(&webHistoryItem)))
return E_FAIL;
*result = m_backForwardList->containsItem(webHistoryItem->historyItem());
return S_OK;
}
HRESULT WebBackForwardList::itemAtIndex(int index, _COM_Outptr_opt_ IWebHistoryItem** item)
{
if (!item)
return E_POINTER;
*item = nullptr;
HistoryItem* historyItem = m_backForwardList->itemAtIndex(index);
if (!historyItem)
return E_FAIL;
*item = WebHistoryItem::createInstance(historyItem);
return S_OK;
}
// IWebBackForwardListPrivate --------------------------------------------------------
HRESULT WebBackForwardList::removeItem(_In_opt_ IWebHistoryItem* item)
{
COMPtr<WebHistoryItem> webHistoryItem;
if (!item || FAILED(item->QueryInterface(&webHistoryItem)))
return E_FAIL;
m_backForwardList->removeItem(webHistoryItem->historyItem());
return S_OK;
}