165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch/* 265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Copyright (C) 2010, 2011 Apple Inc. All rights reserved. 365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Redistribution and use in source and binary forms, with or without 565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * modification, are permitted provided that the following conditions 665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * are met: 765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1. Redistributions of source code must retain the above copyright 865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer. 965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 1065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer in the 1165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * documentation and/or other materials provided with the distribution. 1265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 1465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 1765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE POSSIBILITY OF SUCH DAMAGE. 2465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch */ 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 262fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include "config.h" 2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "WebBackForwardListProxy.h" 2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "DataReference.h" 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "EncoderAdapter.h" 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "WebCoreArgumentCoders.h" 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "WebPage.h" 3365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "WebPageProxyMessages.h" 3465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "WebProcess.h" 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "WebProcessProxyMessages.h" 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <WebCore/HistoryItem.h> 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/HashMap.h> 3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochusing namespace WebCore; 4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic const unsigned DefaultCapacity = 100; 4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic const unsigned NoCurrentItemIndex = UINT_MAX; 4565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch// FIXME <rdar://problem/8819268>: This leaks all HistoryItems that go into these maps. 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch// We need to clear up the life time of these objects. 4865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochtypedef HashMap<uint64_t, RefPtr<HistoryItem> > IDToHistoryItemMap; 5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochtypedef HashMap<RefPtr<HistoryItem>, uint64_t> HistoryItemToIDMap; 5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic IDToHistoryItemMap& idToHistoryItemMap() 5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 5481bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch DEFINE_STATIC_LOCAL(IDToHistoryItemMap, map, ()); 5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return map; 5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic HistoryItemToIDMap& historyItemToIDMap() 5965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 6081bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch DEFINE_STATIC_LOCAL(HistoryItemToIDMap, map, ()); 6165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return map; 6265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 6365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic uint64_t uniqueHistoryItemID = 1; 6565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic uint64_t generateHistoryItemID() 6765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 6865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // These IDs exist in the WebProcess for items created by the WebProcess. 6965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // The IDs generated here need to never collide with the IDs created in WebBackForwardList in the UIProcess. 7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // We accomplish this by starting from 3, and only ever using odd ids. 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch uniqueHistoryItemID += 2; 7265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return uniqueHistoryItemID; 7365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 7465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::setHighestItemIDFromUIProcess(uint64_t itemID) 7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (itemID <= uniqueHistoryItemID) 7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (itemID % 2) 8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch uniqueHistoryItemID = itemID; 8265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch else 8365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch uniqueHistoryItemID = itemID + 1; 8465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 8565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic void updateBackForwardItem(uint64_t itemID, HistoryItem* item) 8765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 8865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch EncoderAdapter encoder; 8965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch item->encodeBackForwardTree(encoder); 9065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch WebProcess::shared().connection()->send(Messages::WebProcessProxy::AddBackForwardItem(itemID, 9265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch item->originalURLString(), item->urlString(), item->title(), encoder.data()), 0); 9365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 9465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::addItemFromUIProcess(uint64_t itemID, PassRefPtr<WebCore::HistoryItem> prpItem) 9665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 9765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch RefPtr<HistoryItem> item = prpItem; 9865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // This item/itemID pair should not already exist in our maps. 10065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(!historyItemToIDMap().contains(item.get())); 10165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(!idToHistoryItemMap().contains(itemID)); 10265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch historyItemToIDMap().set(item, itemID); 10465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch idToHistoryItemMap().set(itemID, item); 10565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 10665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic void WK2NotifyHistoryItemChanged(HistoryItem* item) 10865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 10965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch uint64_t itemID = historyItemToIDMap().get(item); 11065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!itemID) 11165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 11265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 11365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch updateBackForwardItem(itemID, item); 11465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 11565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 11665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochHistoryItem* WebBackForwardListProxy::itemForID(uint64_t itemID) 11765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 11865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return idToHistoryItemMap().get(itemID).get(); 11965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 12065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 12181bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdochuint64_t WebBackForwardListProxy::idForItem(HistoryItem* item) 12281bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch{ 12381bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch ASSERT(item); 12481bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch return historyItemToIDMap().get(item); 12581bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch} 12681bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch 12765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::removeItem(uint64_t itemID) 12865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 12965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch IDToHistoryItemMap::iterator it = idToHistoryItemMap().find(itemID); 13065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (it == idToHistoryItemMap().end()) 13165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 13265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch historyItemToIDMap().remove(it->second); 13365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch idToHistoryItemMap().remove(it); 13465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 13565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 13665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochWebBackForwardListProxy::WebBackForwardListProxy(WebPage* page) 13765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch : m_page(page) 13865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 13965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch WebCore::notifyHistoryItemChanged = WK2NotifyHistoryItemChanged; 14065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 14165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 14265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::addItem(PassRefPtr<HistoryItem> prpItem) 14365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 14465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch RefPtr<HistoryItem> item = prpItem; 14565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 14665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(!historyItemToIDMap().contains(item)); 14765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 14865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!m_page) 14965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 15065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 15165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch uint64_t itemID = generateHistoryItemID(); 15265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 15365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(!idToHistoryItemMap().contains(itemID)); 15465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 15565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch historyItemToIDMap().set(item, itemID); 15665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch idToHistoryItemMap().set(itemID, item); 15765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 15865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch updateBackForwardItem(itemID, item.get()); 15965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch m_page->send(Messages::WebPageProxy::BackForwardAddItem(itemID)); 16065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 16165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 16265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::goToItem(HistoryItem* item) 16365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 16465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!m_page) 16565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 16665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 16765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch m_page->send(Messages::WebPageProxy::BackForwardGoToItem(historyItemToIDMap().get(item))); 16865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 16965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 17065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochHistoryItem* WebBackForwardListProxy::itemAtIndex(int itemIndex) 17165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 17265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!m_page) 17365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 17465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 17565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch uint64_t itemID = 0; 17665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!WebProcess::shared().connection()->sendSync(Messages::WebPageProxy::BackForwardItemAtIndex(itemIndex), Messages::WebPageProxy::BackForwardItemAtIndex::Reply(itemID), m_page->pageID())) 17765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 17865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 17965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!itemID) 18065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 18165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 18265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return idToHistoryItemMap().get(itemID).get(); 18365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 18465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 18565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochint WebBackForwardListProxy::backListCount() 18665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 18765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!m_page) 18865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 18965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 19065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch int backListCount = 0; 19165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!WebProcess::shared().connection()->sendSync(Messages::WebPageProxy::BackForwardBackListCount(), Messages::WebPageProxy::BackForwardBackListCount::Reply(backListCount), m_page->pageID())) 19265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 19365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 19465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return backListCount; 19565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 19665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 19765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochint WebBackForwardListProxy::forwardListCount() 19865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 19965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!m_page) 20065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 20165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 20265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch int forwardListCount = 0; 20365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!WebProcess::shared().connection()->sendSync(Messages::WebPageProxy::BackForwardForwardListCount(), Messages::WebPageProxy::BackForwardForwardListCount::Reply(forwardListCount), m_page->pageID())) 20465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 20565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 20665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return forwardListCount; 20765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 20865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 20965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::close() 21065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 21165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch m_page = 0; 21265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 21365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 21465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochbool WebBackForwardListProxy::isActive() 21565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 21665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // FIXME: Should check the the list is enabled and has non-zero capacity. 21765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return true; 21865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 21965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 22065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::clear() 22165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 22265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch m_page->send(Messages::WebPageProxy::BackForwardClear()); 22365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 22465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 22565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#if ENABLE(WML) 22665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid WebBackForwardListProxy::clearWMLPageHistory() 22765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 22865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 22965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#endif 23065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 23165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit 232