| /* |
| * Copyright (C) 2010, 2011 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WebBackForwardListProxy.h" |
| |
| #include "Logging.h" |
| #include "SessionState.h" |
| #include "SessionStateConversion.h" |
| #include "WebCoreArgumentCoders.h" |
| #include "WebPage.h" |
| #include "WebPageProxyMessages.h" |
| #include "WebProcess.h" |
| #include "WebProcessProxyMessages.h" |
| #include <WebCore/Frame.h> |
| #include <WebCore/HistoryController.h> |
| #include <WebCore/HistoryItem.h> |
| #include <WebCore/PageCache.h> |
| #include <wtf/HashMap.h> |
| #include <wtf/NeverDestroyed.h> |
| #include <wtf/ProcessID.h> |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| // FIXME <rdar://problem/8819268>: This leaks all HistoryItems that go into these maps. |
| // We need to clear up the life time of these objects. |
| |
| typedef HashMap<BackForwardItemIdentifier, RefPtr<HistoryItem>> IDToHistoryItemMap; // "ID" here is the item ID. |
| static IDToHistoryItemMap& idToHistoryItemMap() |
| { |
| static NeverDestroyed<IDToHistoryItemMap> map; |
| return map; |
| } |
| |
| void WebBackForwardListProxy::addItemFromUIProcess(const BackForwardItemIdentifier& itemID, Ref<HistoryItem>&& item, uint64_t pageID, OverwriteExistingItem overwriteExistingItem) |
| { |
| // This item/itemID pair should not already exist in our map. |
| ASSERT_UNUSED(overwriteExistingItem, overwriteExistingItem == OverwriteExistingItem::Yes || !idToHistoryItemMap().contains(itemID)); |
| idToHistoryItemMap().set(itemID, item.ptr()); |
| } |
| |
| static void WK2NotifyHistoryItemChanged(HistoryItem* item) |
| { |
| WebProcess::singleton().parentProcessConnection()->send(Messages::WebProcessProxy::UpdateBackForwardItem(toBackForwardListItemState(*item)), 0); |
| } |
| |
| HistoryItem* WebBackForwardListProxy::itemForID(const BackForwardItemIdentifier& itemID) |
| { |
| return idToHistoryItemMap().get(itemID); |
| } |
| |
| void WebBackForwardListProxy::removeItem(const BackForwardItemIdentifier& itemID) |
| { |
| RefPtr<HistoryItem> item = idToHistoryItemMap().take(itemID); |
| if (!item) |
| return; |
| |
| PageCache::singleton().remove(*item); |
| WebCore::Page::clearPreviousItemFromAllPages(item.get()); |
| } |
| |
| WebBackForwardListProxy::WebBackForwardListProxy(WebPage* page) |
| : m_page(page) |
| { |
| WebCore::notifyHistoryItemChanged = WK2NotifyHistoryItemChanged; |
| } |
| |
| void WebBackForwardListProxy::addItem(Ref<HistoryItem>&& item) |
| { |
| if (!m_page) |
| return; |
| |
| auto result = idToHistoryItemMap().add(item->identifier(), item.ptr()); |
| ASSERT_UNUSED(result, result.isNewEntry); |
| |
| LOG(BackForward, "(Back/Forward) WebProcess pid %i setting item %p for id %s with url %s", getCurrentProcessID(), item.ptr(), item->identifier().logString(), item->urlString().utf8().data()); |
| m_page->send(Messages::WebPageProxy::BackForwardAddItem(toBackForwardListItemState(item.get()))); |
| } |
| |
| void WebBackForwardListProxy::goToItem(HistoryItem* item) |
| { |
| if (!m_page) |
| return; |
| |
| SandboxExtension::Handle sandboxExtensionHandle; |
| m_page->sendSync(Messages::WebPageProxy::BackForwardGoToItem(item->identifier()), Messages::WebPageProxy::BackForwardGoToItem::Reply(sandboxExtensionHandle)); |
| m_page->sandboxExtensionTracker().beginLoad(m_page->mainWebFrame(), WTFMove(sandboxExtensionHandle)); |
| } |
| |
| HistoryItem* WebBackForwardListProxy::itemAtIndex(int itemIndex) |
| { |
| if (!m_page) |
| return nullptr; |
| |
| std::optional<BackForwardItemIdentifier> itemID; |
| if (!WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebPageProxy::BackForwardItemAtIndex(itemIndex), Messages::WebPageProxy::BackForwardItemAtIndex::Reply(itemID), m_page->pageID())) |
| return nullptr; |
| |
| if (!itemID) |
| return nullptr; |
| |
| return idToHistoryItemMap().get(*itemID); |
| } |
| |
| int WebBackForwardListProxy::backListCount() |
| { |
| if (!m_page) |
| return 0; |
| |
| int backListCount = 0; |
| if (!WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebPageProxy::BackForwardBackListCount(), Messages::WebPageProxy::BackForwardBackListCount::Reply(backListCount), m_page->pageID())) |
| return 0; |
| |
| return backListCount; |
| } |
| |
| int WebBackForwardListProxy::forwardListCount() |
| { |
| if (!m_page) |
| return 0; |
| |
| int forwardListCount = 0; |
| if (!WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebPageProxy::BackForwardForwardListCount(), Messages::WebPageProxy::BackForwardForwardListCount::Reply(forwardListCount), m_page->pageID())) |
| return 0; |
| |
| return forwardListCount; |
| } |
| |
| void WebBackForwardListProxy::close() |
| { |
| ASSERT(m_page); |
| m_page = nullptr; |
| } |
| |
| void WebBackForwardListProxy::clear() |
| { |
| m_page->send(Messages::WebPageProxy::BackForwardClear()); |
| } |
| |
| } // namespace WebKit |