--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/win/WebHistory.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1016 @@
+/*
+ * Copyright (C) 2006, 2007 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 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 "WebKitDLL.h"
+#include "WebHistory.h"
+
+#include "CFDictionaryPropertyBag.h"
+#include "MemoryStream.h"
+#include "WebKit.h"
+#include "MarshallingHelpers.h"
+#include "WebHistoryItem.h"
+#include "WebKit.h"
+#include "WebNotificationCenter.h"
+#include "WebPreferences.h"
+#include <CoreFoundation/CoreFoundation.h>
+#pragma warning( push, 0 )
+#include <WebCore/HistoryItem.h>
+#include <WebCore/HistoryPropertyList.h>
+#include <WebCore/KURL.h>
+#include <WebCore/PageGroup.h>
+#include <WebCore/SharedBuffer.h>
+#pragma warning( pop )
+#include <functional>
+#include <wtf/StdLibExtras.h>
+#include <wtf/Vector.h>
+
+using namespace WebCore;
+using namespace std;
+
+CFStringRef DatesArrayKey = CFSTR("WebHistoryDates");
+CFStringRef FileVersionKey = CFSTR("WebHistoryFileVersion");
+
+#define currentFileVersion 1
+
+class WebHistoryWriter : public HistoryPropertyListWriter {
+public:
+ WebHistoryWriter(const WebHistory::DateToEntriesMap&);
+
+private:
+ virtual void writeHistoryItems(BinaryPropertyListObjectStream&);
+
+ const WebHistory::DateToEntriesMap& m_entriesByDate;
+ Vector<WebHistory::DateKey> m_dateKeys;
+};
+
+WebHistoryWriter::WebHistoryWriter(const WebHistory::DateToEntriesMap& entriesByDate)
+ : m_entriesByDate(entriesByDate)
+{
+ copyKeysToVector(m_entriesByDate, m_dateKeys);
+ sort(m_dateKeys.begin(), m_dateKeys.end());
+}
+
+void WebHistoryWriter::writeHistoryItems(BinaryPropertyListObjectStream& stream)
+{
+ for (int dateIndex = m_dateKeys.size() - 1; dateIndex >= 0; --dateIndex) {
+ // get the entries for that date
+ CFArrayRef entries = m_entriesByDate.get(m_dateKeys[dateIndex]).get();
+ CFIndex entriesCount = CFArrayGetCount(entries);
+ for (CFIndex j = entriesCount - 1; j >= 0; --j) {
+ IWebHistoryItem* item = (IWebHistoryItem*) CFArrayGetValueAtIndex(entries, j);
+ COMPtr<WebHistoryItem> webItem(Query, item);
+ if (!webItem)
+ continue;
+
+ writeHistoryItem(stream, webItem->historyItem());
+ }
+ }
+}
+
+static bool areEqualOrClose(double d1, double d2)
+{
+ double diff = d1-d2;
+ return (diff < .000001 && diff > -.000001);
+}
+
+static COMPtr<CFDictionaryPropertyBag> createUserInfoFromArray(BSTR notificationStr, CFArrayRef arrayItem)
+{
+ RetainPtr<CFMutableDictionaryRef> dictionary(AdoptCF,
+ CFDictionaryCreateMutable(0, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
+
+ RetainPtr<CFStringRef> key(AdoptCF, MarshallingHelpers::BSTRToCFStringRef(notificationStr));
+ CFDictionaryAddValue(dictionary.get(), key.get(), arrayItem);
+
+ COMPtr<CFDictionaryPropertyBag> result = CFDictionaryPropertyBag::createInstance();
+ result->setDictionary(dictionary.get());
+ return result;
+}
+
+static COMPtr<CFDictionaryPropertyBag> createUserInfoFromHistoryItem(BSTR notificationStr, IWebHistoryItem* item)
+{
+ // reference counting of item added to the array is managed by the CFArray value callbacks
+ RetainPtr<CFArrayRef> itemList(AdoptCF, CFArrayCreate(0, (const void**) &item, 1, &MarshallingHelpers::kIUnknownArrayCallBacks));
+ COMPtr<CFDictionaryPropertyBag> info = createUserInfoFromArray(notificationStr, itemList.get());
+ return info;
+}
+
+// WebHistory -----------------------------------------------------------------
+
+WebHistory::WebHistory()
+: m_refCount(0)
+, m_preferences(0)
+{
+ gClassCount++;
+ gClassNameCount.add("WebHistory");
+
+ m_entriesByURL.adoptCF(CFDictionaryCreateMutable(0, 0, &kCFTypeDictionaryKeyCallBacks, &MarshallingHelpers::kIUnknownDictionaryValueCallBacks));
+
+ m_preferences = WebPreferences::sharedStandardPreferences();
+}
+
+WebHistory::~WebHistory()
+{
+ gClassCount--;
+ gClassNameCount.remove("WebHistory");
+}
+
+WebHistory* WebHistory::createInstance()
+{
+ WebHistory* instance = new WebHistory();
+ instance->AddRef();
+ return instance;
+}
+
+HRESULT WebHistory::postNotification(NotificationType notifyType, IPropertyBag* userInfo /*=0*/)
+{
+ IWebNotificationCenter* nc = WebNotificationCenter::defaultCenterInternal();
+ HRESULT hr = nc->postNotificationName(getNotificationString(notifyType), static_cast<IWebHistory*>(this), userInfo);
+ if (FAILED(hr))
+ return hr;
+
+ return S_OK;
+}
+
+BSTR WebHistory::getNotificationString(NotificationType notifyType)
+{
+ static BSTR keys[6] = {0};
+ if (!keys[0]) {
+ keys[0] = SysAllocString(WebHistoryItemsAddedNotification);
+ keys[1] = SysAllocString(WebHistoryItemsRemovedNotification);
+ keys[2] = SysAllocString(WebHistoryAllItemsRemovedNotification);
+ keys[3] = SysAllocString(WebHistoryLoadedNotification);
+ keys[4] = SysAllocString(WebHistoryItemsDiscardedWhileLoadingNotification);
+ keys[5] = SysAllocString(WebHistorySavedNotification);
+ }
+ return keys[notifyType];
+}
+
+// IUnknown -------------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE WebHistory::QueryInterface(REFIID riid, void** ppvObject)
+{
+ *ppvObject = 0;
+ if (IsEqualGUID(riid, CLSID_WebHistory))
+ *ppvObject = this;
+ else if (IsEqualGUID(riid, IID_IUnknown))
+ *ppvObject = static_cast<IWebHistory*>(this);
+ else if (IsEqualGUID(riid, IID_IWebHistory))
+ *ppvObject = static_cast<IWebHistory*>(this);
+ else if (IsEqualGUID(riid, IID_IWebHistoryPrivate))
+ *ppvObject = static_cast<IWebHistoryPrivate*>(this);
+ else
+ return E_NOINTERFACE;
+
+ AddRef();
+ return S_OK;
+}
+
+ULONG STDMETHODCALLTYPE WebHistory::AddRef(void)
+{
+ return ++m_refCount;
+}
+
+ULONG STDMETHODCALLTYPE WebHistory::Release(void)
+{
+ ULONG newRef = --m_refCount;
+ if (!newRef)
+ delete(this);
+
+ return newRef;
+}
+
+// IWebHistory ----------------------------------------------------------------
+
+static inline COMPtr<WebHistory>& sharedHistoryStorage()
+{
+ DEFINE_STATIC_LOCAL(COMPtr<WebHistory>, sharedHistory, ());
+ return sharedHistory;
+}
+
+WebHistory* WebHistory::sharedHistory()
+{
+ return sharedHistoryStorage().get();
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::optionalSharedHistory(
+ /* [retval][out] */ IWebHistory** history)
+{
+ *history = sharedHistory();
+ if (*history)
+ (*history)->AddRef();
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::setOptionalSharedHistory(
+ /* [in] */ IWebHistory* history)
+{
+ if (sharedHistoryStorage() == history)
+ return S_OK;
+ sharedHistoryStorage().query(history);
+ PageGroup::setShouldTrackVisitedLinks(sharedHistoryStorage());
+ PageGroup::removeAllVisitedLinks();
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::loadFromURL(
+ /* [in] */ BSTR url,
+ /* [out] */ IWebError** error,
+ /* [retval][out] */ BOOL* succeeded)
+{
+ HRESULT hr = S_OK;
+ RetainPtr<CFMutableArrayRef> discardedItems(AdoptCF,
+ CFArrayCreateMutable(0, 0, &MarshallingHelpers::kIUnknownArrayCallBacks));
+
+ RetainPtr<CFURLRef> urlRef(AdoptCF, MarshallingHelpers::BSTRToCFURLRef(url));
+
+ hr = loadHistoryGutsFromURL(urlRef.get(), discardedItems.get(), error);
+ if (FAILED(hr))
+ goto exit;
+
+ hr = postNotification(kWebHistoryLoadedNotification);
+ if (FAILED(hr))
+ goto exit;
+
+ if (CFArrayGetCount(discardedItems.get()) > 0) {
+ COMPtr<CFDictionaryPropertyBag> userInfo = createUserInfoFromArray(getNotificationString(kWebHistoryItemsDiscardedWhileLoadingNotification), discardedItems.get());
+ hr = postNotification(kWebHistoryItemsDiscardedWhileLoadingNotification, userInfo.get());
+ if (FAILED(hr))
+ goto exit;
+ }
+
+exit:
+ if (succeeded)
+ *succeeded = SUCCEEDED(hr);
+ return hr;
+}
+
+static CFDictionaryRef createHistoryListFromStream(CFReadStreamRef stream, CFPropertyListFormat format)
+{
+ return (CFDictionaryRef)CFPropertyListCreateFromStream(0, stream, 0, kCFPropertyListImmutable, &format, 0);
+}
+
+HRESULT WebHistory::loadHistoryGutsFromURL(CFURLRef url, CFMutableArrayRef discardedItems, IWebError** /*error*/) //FIXME
+{
+ CFPropertyListFormat format = kCFPropertyListBinaryFormat_v1_0 | kCFPropertyListXMLFormat_v1_0;
+ HRESULT hr = S_OK;
+ int numberOfItemsLoaded = 0;
+
+ RetainPtr<CFReadStreamRef> stream(AdoptCF, CFReadStreamCreateWithFile(0, url));
+ if (!stream)
+ return E_FAIL;
+
+ if (!CFReadStreamOpen(stream.get()))
+ return E_FAIL;
+
+ RetainPtr<CFDictionaryRef> historyList(AdoptCF, createHistoryListFromStream(stream.get(), format));
+ CFReadStreamClose(stream.get());
+
+ if (!historyList)
+ return E_FAIL;
+
+ CFNumberRef fileVersionObject = (CFNumberRef)CFDictionaryGetValue(historyList.get(), FileVersionKey);
+ int fileVersion;
+ if (!CFNumberGetValue(fileVersionObject, kCFNumberIntType, &fileVersion))
+ return E_FAIL;
+
+ if (fileVersion > currentFileVersion)
+ return E_FAIL;
+
+ CFArrayRef datesArray = (CFArrayRef)CFDictionaryGetValue(historyList.get(), DatesArrayKey);
+
+ int itemCountLimit;
+ hr = historyItemLimit(&itemCountLimit);
+ if (FAILED(hr))
+ return hr;
+
+ CFAbsoluteTime limitDate;
+ hr = ageLimitDate(&limitDate);
+ if (FAILED(hr))
+ return hr;
+
+ bool ageLimitPassed = false;
+ bool itemLimitPassed = false;
+
+ CFIndex itemCount = CFArrayGetCount(datesArray);
+ for (CFIndex i = 0; i < itemCount; ++i) {
+ CFDictionaryRef itemAsDictionary = (CFDictionaryRef)CFArrayGetValueAtIndex(datesArray, i);
+ COMPtr<WebHistoryItem> item(AdoptCOM, WebHistoryItem::createInstance());
+ hr = item->initFromDictionaryRepresentation((void*)itemAsDictionary);
+ if (FAILED(hr))
+ return hr;
+
+ // item without URL is useless; data on disk must have been bad; ignore
+ BOOL hasURL;
+ hr = item->hasURLString(&hasURL);
+ if (FAILED(hr))
+ return hr;
+
+ if (hasURL) {
+ // Test against date limit. Since the items are ordered newest to oldest, we can stop comparing
+ // once we've found the first item that's too old.
+ if (!ageLimitPassed) {
+ DATE lastVisitedTime;
+ hr = item->lastVisitedTimeInterval(&lastVisitedTime);
+ if (FAILED(hr))
+ return hr;
+ if (timeToDate(MarshallingHelpers::DATEToCFAbsoluteTime(lastVisitedTime)) <= limitDate)
+ ageLimitPassed = true;
+ }
+ if (ageLimitPassed || itemLimitPassed)
+ CFArrayAppendValue(discardedItems, item.get());
+ else {
+ bool added;
+ addItem(item.get(), true, &added); // ref is added inside addItem
+ if (added)
+ ++numberOfItemsLoaded;
+ if (numberOfItemsLoaded == itemCountLimit)
+ itemLimitPassed = true;
+ }
+ }
+ }
+ return hr;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::saveToURL(
+ /* [in] */ BSTR url,
+ /* [out] */ IWebError** error,
+ /* [retval][out] */ BOOL* succeeded)
+{
+ HRESULT hr = S_OK;
+ RetainPtr<CFURLRef> urlRef(AdoptCF, MarshallingHelpers::BSTRToCFURLRef(url));
+
+ hr = saveHistoryGuts(urlRef.get(), error);
+
+ if (succeeded)
+ *succeeded = SUCCEEDED(hr);
+ if (SUCCEEDED(hr))
+ hr = postNotification(kWebHistorySavedNotification);
+
+ return hr;
+}
+
+HRESULT WebHistory::saveHistoryGuts(CFURLRef url, IWebError** error)
+{
+ HRESULT hr = S_OK;
+
+ // FIXME: Correctly report error when new API is ready.
+ if (error)
+ *error = 0;
+
+ RetainPtr<CFDataRef> data = this->data();
+
+ RetainPtr<CFWriteStreamRef> stream(AdoptCF, CFWriteStreamCreateWithFile(kCFAllocatorDefault, url));
+ if (!stream)
+ return E_FAIL;
+
+ if (!CFWriteStreamOpen(stream.get()))
+ return E_FAIL;
+
+ const UInt8* dataPtr = CFDataGetBytePtr(data.get());
+ CFIndex length = CFDataGetLength(data.get());
+
+ while (length) {
+ CFIndex bytesWritten = CFWriteStreamWrite(stream.get(), dataPtr, length);
+ if (bytesWritten <= 0) {
+ hr = E_FAIL;
+ break;
+ }
+ dataPtr += bytesWritten;
+ length -= bytesWritten;
+ }
+
+ CFWriteStreamClose(stream.get());
+
+ return hr;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::addItems(
+ /* [in] */ int itemCount,
+ /* [in] */ IWebHistoryItem** items)
+{
+ // There is no guarantee that the incoming entries are in any particular
+ // order, but if this is called with a set of entries that were created by
+ // iterating through the results of orderedLastVisitedDays and orderedItemsLastVisitedOnDay
+ // then they will be ordered chronologically from newest to oldest. We can make adding them
+ // faster (fewer compares) by inserting them from oldest to newest.
+
+ HRESULT hr;
+ for (int i = itemCount - 1; i >= 0; --i) {
+ hr = addItem(items[i], false, 0);
+ if (FAILED(hr))
+ return hr;
+ }
+
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::removeItems(
+ /* [in] */ int itemCount,
+ /* [in] */ IWebHistoryItem** items)
+{
+ HRESULT hr;
+ for (int i = 0; i < itemCount; ++i) {
+ hr = removeItem(items[i]);
+ if (FAILED(hr))
+ return hr;
+ }
+
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::removeAllItems( void)
+{
+ m_entriesByDate.clear();
+ m_orderedLastVisitedDays.clear();
+
+ CFIndex itemCount = CFDictionaryGetCount(m_entriesByURL.get());
+ Vector<IWebHistoryItem*> itemsVector(itemCount);
+ CFDictionaryGetKeysAndValues(m_entriesByURL.get(), 0, (const void**)itemsVector.data());
+ RetainPtr<CFArrayRef> allItems(AdoptCF, CFArrayCreate(kCFAllocatorDefault, (const void**)itemsVector.data(), itemCount, &MarshallingHelpers::kIUnknownArrayCallBacks));
+
+ CFDictionaryRemoveAllValues(m_entriesByURL.get());
+
+ PageGroup::removeAllVisitedLinks();
+
+ COMPtr<CFDictionaryPropertyBag> userInfo = createUserInfoFromArray(getNotificationString(kWebHistoryAllItemsRemovedNotification), allItems.get());
+ return postNotification(kWebHistoryAllItemsRemovedNotification, userInfo.get());
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::orderedLastVisitedDays(
+ /* [out][in] */ int* count,
+ /* [in] */ DATE* calendarDates)
+{
+ int dateCount = m_entriesByDate.size();
+ if (!calendarDates) {
+ *count = dateCount;
+ return S_OK;
+ }
+
+ if (*count < dateCount) {
+ *count = dateCount;
+ return E_FAIL;
+ }
+
+ *count = dateCount;
+ if (!m_orderedLastVisitedDays) {
+ m_orderedLastVisitedDays.set(new DATE[dateCount]);
+ DateToEntriesMap::const_iterator::Keys end = m_entriesByDate.end().keys();
+ int i = 0;
+ for (DateToEntriesMap::const_iterator::Keys it = m_entriesByDate.begin().keys(); it != end; ++it, ++i)
+ m_orderedLastVisitedDays[i] = MarshallingHelpers::CFAbsoluteTimeToDATE(*it);
+ // Use std::greater to sort the days in descending order (i.e., most-recent first).
+ sort(m_orderedLastVisitedDays.get(), m_orderedLastVisitedDays.get() + dateCount, greater<DATE>());
+ }
+
+ memcpy(calendarDates, m_orderedLastVisitedDays.get(), dateCount * sizeof(DATE));
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::orderedItemsLastVisitedOnDay(
+ /* [out][in] */ int* count,
+ /* [in] */ IWebHistoryItem** items,
+ /* [in] */ DATE calendarDate)
+{
+ DateKey dateKey;
+ if (!findKey(&dateKey, MarshallingHelpers::DATEToCFAbsoluteTime(calendarDate))) {
+ *count = 0;
+ return 0;
+ }
+
+ CFArrayRef entries = m_entriesByDate.get(dateKey).get();
+ if (!entries) {
+ *count = 0;
+ return 0;
+ }
+
+ int newCount = CFArrayGetCount(entries);
+
+ if (!items) {
+ *count = newCount;
+ return S_OK;
+ }
+
+ if (*count < newCount) {
+ *count = newCount;
+ return E_FAIL;
+ }
+
+ *count = newCount;
+ for (int i = 0; i < newCount; i++) {
+ IWebHistoryItem* item = (IWebHistoryItem*)CFArrayGetValueAtIndex(entries, i);
+ item->AddRef();
+ items[i] = item;
+ }
+
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::allItems(
+ /* [out][in] */ int* count,
+ /* [out][retval] */ IWebHistoryItem** items)
+{
+ int entriesByURLCount = CFDictionaryGetCount(m_entriesByURL.get());
+
+ if (!items) {
+ *count = entriesByURLCount;
+ return S_OK;
+ }
+
+ if (*count < entriesByURLCount) {
+ *count = entriesByURLCount;
+ return E_FAIL;
+ }
+
+ *count = entriesByURLCount;
+ CFDictionaryGetKeysAndValues(m_entriesByURL.get(), 0, (const void**)items);
+ for (int i = 0; i < entriesByURLCount; i++)
+ items[i]->AddRef();
+
+ return S_OK;
+}
+
+HRESULT WebHistory::data(IStream** stream)
+{
+ if (!stream)
+ return E_POINTER;
+
+ *stream = 0;
+
+ RetainPtr<CFDataRef> historyData = data();
+ if (!historyData)
+ return S_OK;
+
+ COMPtr<MemoryStream> result = MemoryStream::createInstance(SharedBuffer::wrapCFData(historyData.get()));
+ return result.copyRefTo(stream);
+}
+
+HRESULT WebHistory::setVisitedLinkTrackingEnabled(BOOL visitedLinkTrackingEnabled)
+{
+ PageGroup::setShouldTrackVisitedLinks(visitedLinkTrackingEnabled);
+ return S_OK;
+}
+
+HRESULT WebHistory::removeAllVisitedLinks()
+{
+ PageGroup::removeAllVisitedLinks();
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::setHistoryItemLimit(
+ /* [in] */ int limit)
+{
+ if (!m_preferences)
+ return E_FAIL;
+ return m_preferences->setHistoryItemLimit(limit);
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::historyItemLimit(
+ /* [retval][out] */ int* limit)
+{
+ if (!m_preferences)
+ return E_FAIL;
+ return m_preferences->historyItemLimit(limit);
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::setHistoryAgeInDaysLimit(
+ /* [in] */ int limit)
+{
+ if (!m_preferences)
+ return E_FAIL;
+ return m_preferences->setHistoryAgeInDaysLimit(limit);
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::historyAgeInDaysLimit(
+ /* [retval][out] */ int* limit)
+{
+ if (!m_preferences)
+ return E_FAIL;
+ return m_preferences->historyAgeInDaysLimit(limit);
+}
+
+HRESULT WebHistory::removeItem(IWebHistoryItem* entry)
+{
+ HRESULT hr = S_OK;
+ BSTR urlBStr = 0;
+
+ hr = entry->URLString(&urlBStr);
+ if (FAILED(hr))
+ return hr;
+
+ RetainPtr<CFStringRef> urlString(AdoptCF, MarshallingHelpers::BSTRToCFStringRef(urlBStr));
+ SysFreeString(urlBStr);
+
+ // If this exact object isn't stored, then make no change.
+ // FIXME: Is this the right behavior if this entry isn't present, but another entry for the same URL is?
+ // Maybe need to change the API to make something like removeEntryForURLString public instead.
+ IWebHistoryItem *matchingEntry = (IWebHistoryItem*)CFDictionaryGetValue(m_entriesByURL.get(), urlString.get());
+ if (matchingEntry != entry)
+ return E_FAIL;
+
+ hr = removeItemForURLString(urlString.get());
+ if (FAILED(hr))
+ return hr;
+
+ COMPtr<CFDictionaryPropertyBag> userInfo = createUserInfoFromHistoryItem(
+ getNotificationString(kWebHistoryItemsRemovedNotification), entry);
+ hr = postNotification(kWebHistoryItemsRemovedNotification, userInfo.get());
+
+ return hr;
+}
+
+HRESULT WebHistory::addItem(IWebHistoryItem* entry, bool discardDuplicate, bool* added)
+{
+ HRESULT hr = S_OK;
+
+ if (!entry)
+ return E_FAIL;
+
+ BSTR urlBStr = 0;
+ hr = entry->URLString(&urlBStr);
+ if (FAILED(hr))
+ return hr;
+
+ RetainPtr<CFStringRef> urlString(AdoptCF, MarshallingHelpers::BSTRToCFStringRef(urlBStr));
+ SysFreeString(urlBStr);
+
+ COMPtr<IWebHistoryItem> oldEntry((IWebHistoryItem*) CFDictionaryGetValue(
+ m_entriesByURL.get(), urlString.get()));
+
+ if (oldEntry) {
+ if (discardDuplicate) {
+ if (added)
+ *added = false;
+ return S_OK;
+ }
+
+ removeItemForURLString(urlString.get());
+
+ // If we already have an item with this URL, we need to merge info that drives the
+ // URL autocomplete heuristics from that item into the new one.
+ IWebHistoryItemPrivate* entryPriv;
+ hr = entry->QueryInterface(IID_IWebHistoryItemPrivate, (void**)&entryPriv);
+ if (SUCCEEDED(hr)) {
+ entryPriv->mergeAutoCompleteHints(oldEntry.get());
+ entryPriv->Release();
+ }
+ }
+
+ hr = addItemToDateCaches(entry);
+ if (FAILED(hr))
+ return hr;
+
+ CFDictionarySetValue(m_entriesByURL.get(), urlString.get(), entry);
+
+ COMPtr<CFDictionaryPropertyBag> userInfo = createUserInfoFromHistoryItem(
+ getNotificationString(kWebHistoryItemsAddedNotification), entry);
+ hr = postNotification(kWebHistoryItemsAddedNotification, userInfo.get());
+
+ if (added)
+ *added = true;
+
+ return hr;
+}
+
+void WebHistory::visitedURL(const KURL& url, const String& title, const String& httpMethod, bool wasFailure, bool increaseVisitCount)
+{
+ RetainPtr<CFStringRef> urlString(AdoptCF, url.string().createCFString());
+
+ IWebHistoryItem* entry = (IWebHistoryItem*) CFDictionaryGetValue(m_entriesByURL.get(), urlString.get());
+ if (entry) {
+ COMPtr<IWebHistoryItemPrivate> entryPrivate(Query, entry);
+ if (!entryPrivate)
+ return;
+
+ // Remove the item from date caches before changing its last visited date. Otherwise we might get duplicate entries
+ // as seen in <rdar://problem/6570573>.
+ removeItemFromDateCaches(entry);
+ entryPrivate->visitedWithTitle(BString(title), increaseVisitCount);
+ } else {
+ COMPtr<WebHistoryItem> item(AdoptCOM, WebHistoryItem::createInstance());
+ if (!item)
+ return;
+
+ entry = item.get();
+
+ SYSTEMTIME currentTime;
+ GetSystemTime(¤tTime);
+ DATE lastVisited;
+ if (!SystemTimeToVariantTime(¤tTime, &lastVisited))
+ return;
+
+ if (FAILED(entry->initWithURLString(BString(url.string()), BString(title), lastVisited)))
+ return;
+
+ item->recordInitialVisit();
+
+ CFDictionarySetValue(m_entriesByURL.get(), urlString.get(), entry);
+ }
+
+ addItemToDateCaches(entry);
+
+ COMPtr<IWebHistoryItemPrivate> entryPrivate(Query, entry);
+ if (!entryPrivate)
+ return;
+
+ entryPrivate->setLastVisitWasFailure(wasFailure);
+ if (!httpMethod.isEmpty())
+ entryPrivate->setLastVisitWasHTTPNonGet(!equalIgnoringCase(httpMethod, "GET") && url.protocolInHTTPFamily());
+
+ COMPtr<WebHistoryItem> item(Query, entry);
+ item->historyItem()->setRedirectURLs(0);
+
+ COMPtr<CFDictionaryPropertyBag> userInfo = createUserInfoFromHistoryItem(
+ getNotificationString(kWebHistoryItemsAddedNotification), entry);
+ postNotification(kWebHistoryItemsAddedNotification, userInfo.get());
+}
+
+HRESULT WebHistory::itemForURLString(
+ /* [in] */ CFStringRef urlString,
+ /* [retval][out] */ IWebHistoryItem** item) const
+{
+ if (!item)
+ return E_FAIL;
+ *item = 0;
+
+ IWebHistoryItem* foundItem = (IWebHistoryItem*) CFDictionaryGetValue(m_entriesByURL.get(), urlString);
+ if (!foundItem)
+ return E_FAIL;
+
+ foundItem->AddRef();
+ *item = foundItem;
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebHistory::itemForURL(
+ /* [in] */ BSTR url,
+ /* [retval][out] */ IWebHistoryItem** item)
+{
+ RetainPtr<CFStringRef> urlString(AdoptCF, MarshallingHelpers::BSTRToCFStringRef(url));
+ return itemForURLString(urlString.get(), item);
+}
+
+HRESULT WebHistory::removeItemForURLString(CFStringRef urlString)
+{
+ IWebHistoryItem* entry = (IWebHistoryItem*) CFDictionaryGetValue(m_entriesByURL.get(), urlString);
+ if (!entry)
+ return E_FAIL;
+
+ HRESULT hr = removeItemFromDateCaches(entry);
+ CFDictionaryRemoveValue(m_entriesByURL.get(), urlString);
+
+ if (!CFDictionaryGetCount(m_entriesByURL.get()))
+ PageGroup::removeAllVisitedLinks();
+
+ return hr;
+}
+
+COMPtr<IWebHistoryItem> WebHistory::itemForURLString(const String& urlString) const
+{
+ RetainPtr<CFStringRef> urlCFString(AdoptCF, urlString.createCFString());
+ if (!urlCFString)
+ return 0;
+ COMPtr<IWebHistoryItem> item;
+ if (FAILED(itemForURLString(urlCFString.get(), &item)))
+ return 0;
+ return item;
+}
+
+HRESULT WebHistory::addItemToDateCaches(IWebHistoryItem* entry)
+{
+ HRESULT hr = S_OK;
+
+ DATE lastVisitedCOMTime;
+ entry->lastVisitedTimeInterval(&lastVisitedCOMTime);
+
+ DateKey dateKey;
+ if (findKey(&dateKey, MarshallingHelpers::DATEToCFAbsoluteTime(lastVisitedCOMTime))) {
+ // other entries already exist for this date
+ hr = insertItem(entry, dateKey);
+ } else {
+ ASSERT(!m_entriesByDate.contains(dateKey));
+ // no other entries exist for this date
+ RetainPtr<CFMutableArrayRef> entryArray(AdoptCF,
+ CFArrayCreateMutable(0, 0, &MarshallingHelpers::kIUnknownArrayCallBacks));
+ CFArrayAppendValue(entryArray.get(), entry);
+ m_entriesByDate.set(dateKey, entryArray);
+ // Clear m_orderedLastVisitedDays so it will be regenerated when next requested.
+ m_orderedLastVisitedDays.clear();
+ }
+
+ return hr;
+}
+
+HRESULT WebHistory::removeItemFromDateCaches(IWebHistoryItem* entry)
+{
+ HRESULT hr = S_OK;
+
+ DATE lastVisitedCOMTime;
+ entry->lastVisitedTimeInterval(&lastVisitedCOMTime);
+
+ DateKey dateKey;
+ if (!findKey(&dateKey, MarshallingHelpers::DATEToCFAbsoluteTime(lastVisitedCOMTime)))
+ return E_FAIL;
+
+ DateToEntriesMap::iterator found = m_entriesByDate.find(dateKey);
+ ASSERT(found != m_entriesByDate.end());
+ CFMutableArrayRef entriesForDate = found->second.get();
+
+ CFIndex count = CFArrayGetCount(entriesForDate);
+ for (int i = count - 1; i >= 0; --i) {
+ if ((IWebHistoryItem*)CFArrayGetValueAtIndex(entriesForDate, i) == entry)
+ CFArrayRemoveValueAtIndex(entriesForDate, i);
+ }
+
+ // remove this date entirely if there are no other entries on it
+ if (CFArrayGetCount(entriesForDate) == 0) {
+ m_entriesByDate.remove(found);
+ // Clear m_orderedLastVisitedDays so it will be regenerated when next requested.
+ m_orderedLastVisitedDays.clear();
+ }
+
+ return hr;
+}
+
+static void getDayBoundaries(CFAbsoluteTime day, CFAbsoluteTime& beginningOfDay, CFAbsoluteTime& beginningOfNextDay)
+{
+ RetainPtr<CFTimeZoneRef> timeZone(AdoptCF, CFTimeZoneCopyDefault());
+ CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(day, timeZone.get());
+ date.hour = 0;
+ date.minute = 0;
+ date.second = 0;
+ beginningOfDay = CFGregorianDateGetAbsoluteTime(date, timeZone.get());
+ date.day += 1;
+ beginningOfNextDay = CFGregorianDateGetAbsoluteTime(date, timeZone.get());
+}
+
+static inline CFAbsoluteTime beginningOfDay(CFAbsoluteTime date)
+{
+ static CFAbsoluteTime cachedBeginningOfDay = numeric_limits<CFAbsoluteTime>::quiet_NaN();
+ static CFAbsoluteTime cachedBeginningOfNextDay;
+ if (!(date >= cachedBeginningOfDay && date < cachedBeginningOfNextDay))
+ getDayBoundaries(date, cachedBeginningOfDay, cachedBeginningOfNextDay);
+ return cachedBeginningOfDay;
+}
+
+static inline WebHistory::DateKey dateKey(CFAbsoluteTime date)
+{
+ // Converting from double (CFAbsoluteTime) to int64_t (WebHistoryDateKey) is
+ // safe here because all sensible dates are in the range -2**48 .. 2**47 which
+ // safely fits in an int64_t.
+ return beginningOfDay(date);
+}
+
+// Returns whether the day is already in the list of days,
+// and fills in *key with the found or proposed key.
+bool WebHistory::findKey(DateKey* key, CFAbsoluteTime forDay)
+{
+ ASSERT_ARG(key, key);
+
+ *key = dateKey(forDay);
+ return m_entriesByDate.contains(*key);
+}
+
+HRESULT WebHistory::insertItem(IWebHistoryItem* entry, DateKey dateKey)
+{
+ ASSERT_ARG(entry, entry);
+ ASSERT_ARG(dateKey, m_entriesByDate.contains(dateKey));
+
+ HRESULT hr = S_OK;
+
+ if (!entry)
+ return E_FAIL;
+
+ DATE entryTime;
+ entry->lastVisitedTimeInterval(&entryTime);
+ CFMutableArrayRef entriesForDate = m_entriesByDate.get(dateKey).get();
+ unsigned count = CFArrayGetCount(entriesForDate);
+
+ // The entries for each day are stored in a sorted array with the most recent entry first
+ // Check for the common cases of the entry being newer than all existing entries or the first entry of the day
+ bool isNewerThanAllEntries = false;
+ if (count) {
+ IWebHistoryItem* item = const_cast<IWebHistoryItem*>(static_cast<const IWebHistoryItem*>(CFArrayGetValueAtIndex(entriesForDate, 0)));
+ DATE itemTime;
+ isNewerThanAllEntries = SUCCEEDED(item->lastVisitedTimeInterval(&itemTime)) && itemTime < entryTime;
+ }
+ if (!count || isNewerThanAllEntries) {
+ CFArrayInsertValueAtIndex(entriesForDate, 0, entry);
+ return S_OK;
+ }
+
+ // .. or older than all existing entries
+ bool isOlderThanAllEntries = false;
+ if (count > 0) {
+ IWebHistoryItem* item = const_cast<IWebHistoryItem*>(static_cast<const IWebHistoryItem*>(CFArrayGetValueAtIndex(entriesForDate, count - 1)));
+ DATE itemTime;
+ isOlderThanAllEntries = SUCCEEDED(item->lastVisitedTimeInterval(&itemTime)) && itemTime >= entryTime;
+ }
+ if (isOlderThanAllEntries) {
+ CFArrayInsertValueAtIndex(entriesForDate, count, entry);
+ return S_OK;
+ }
+
+ unsigned low = 0;
+ unsigned high = count;
+ while (low < high) {
+ unsigned mid = low + (high - low) / 2;
+ IWebHistoryItem* item = const_cast<IWebHistoryItem*>(static_cast<const IWebHistoryItem*>(CFArrayGetValueAtIndex(entriesForDate, mid)));
+ DATE itemTime;
+ if (FAILED(item->lastVisitedTimeInterval(&itemTime)))
+ return E_FAIL;
+
+ if (itemTime >= entryTime)
+ low = mid + 1;
+ else
+ high = mid;
+ }
+
+ // low is now the index of the first entry that is older than entryDate
+ CFArrayInsertValueAtIndex(entriesForDate, low, entry);
+ return S_OK;
+}
+
+CFAbsoluteTime WebHistory::timeToDate(CFAbsoluteTime time)
+{
+ // can't just divide/round since the day boundaries depend on our current time zone
+ const double secondsPerDay = 60 * 60 * 24;
+ CFTimeZoneRef timeZone = CFTimeZoneCopySystem();
+ CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(time, timeZone);
+ date.hour = date.minute = 0;
+ date.second = 0.0;
+ CFAbsoluteTime timeInDays = CFGregorianDateGetAbsoluteTime(date, timeZone);
+ if (areEqualOrClose(time - timeInDays, secondsPerDay))
+ timeInDays += secondsPerDay;
+ return timeInDays;
+}
+
+// Return a date that marks the age limit for history entries saved to or
+// loaded from disk. Any entry older than this item should be rejected.
+HRESULT WebHistory::ageLimitDate(CFAbsoluteTime* time)
+{
+ // get the current date as a CFAbsoluteTime
+ CFAbsoluteTime currentDate = timeToDate(CFAbsoluteTimeGetCurrent());
+
+ CFGregorianUnits ageLimit = {0};
+ int historyLimitDays;
+ HRESULT hr = historyAgeInDaysLimit(&historyLimitDays);
+ if (FAILED(hr))
+ return hr;
+ ageLimit.days = -historyLimitDays;
+ *time = CFAbsoluteTimeAddGregorianUnits(currentDate, CFTimeZoneCopySystem(), ageLimit);
+ return S_OK;
+}
+
+static void addVisitedLinkToPageGroup(const void* key, const void*, void* context)
+{
+ CFStringRef url = static_cast<CFStringRef>(key);
+ PageGroup* group = static_cast<PageGroup*>(context);
+
+ CFIndex length = CFStringGetLength(url);
+ const UChar* characters = reinterpret_cast<const UChar*>(CFStringGetCharactersPtr(url));
+ if (characters)
+ group->addVisitedLink(characters, length);
+ else {
+ Vector<UChar, 512> buffer(length);
+ CFStringGetCharacters(url, CFRangeMake(0, length), reinterpret_cast<UniChar*>(buffer.data()));
+ group->addVisitedLink(buffer.data(), length);
+ }
+}
+
+void WebHistory::addVisitedLinksToPageGroup(PageGroup& group)
+{
+ CFDictionaryApplyFunction(m_entriesByURL.get(), addVisitedLinkToPageGroup, &group);
+}
+
+RetainPtr<CFDataRef> WebHistory::data() const
+{
+ if (m_entriesByDate.isEmpty())
+ return 0;
+
+ WebHistoryWriter writer(m_entriesByDate);
+ writer.writePropertyList();
+ return writer.releaseData();
+}