Google Git
Sign in
ara-mdk / platform / external / webkit / 635860845790a19bf50bbc51ba8fb66a96dde068 / . / WebKit / win / WebHistory.cpp
blob: 5ee2e322d9e728bd8939e57ea85821db353016a7 [file] [log] [blame]
/*
* 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 "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 <wtf/Vector.h>
#include <WebCore/KURL.h>
#include <WebCore/PageGroup.h>
#include <WebCore/HistoryItem.h>
#pragma warning( pop )
using namespace WebCore;
CFStringRef DatesArrayKey = CFSTR("WebHistoryDates");
CFStringRef FileVersionKey = CFSTR("WebHistoryFileVersion");
#define currentFileVersion 1
static bool areEqualOrClose(double d1, double d2)
{
double diff = d1-d2;
return (diff < .000001 && diff > -.000001);
}
static 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);
CFDictionaryPropertyBag* result = CFDictionaryPropertyBag::createInstance();
result->setDictionary(dictionary.get());
return result;
}
static 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));
CFDictionaryPropertyBag* info = createUserInfoFromArray(notificationStr, itemList.get());
return info;
}
static void releaseUserInfo(CFDictionaryPropertyBag* userInfo)
{
// free the dictionary
userInfo->setDictionary(0);
int result = userInfo->Release();
(void)result;
ASSERT(result == 0); // make sure no one else holds a reference to the userInfo.
}
// WebHistory -----------------------------------------------------------------
WebHistory::WebHistory()
: m_refCount(0)
, m_preferences(0)
{
gClassCount++;
gClassNameCount.add("WebHistory");
m_entriesByURL.adoptCF(CFDictionaryCreateMutable(0, 0, &kCFTypeDictionaryKeyCallBacks, &MarshallingHelpers::kIUnknownDictionaryValueCallBacks));
m_datesWithEntries.adoptCF(CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks));
m_entriesByDate.adoptCF(CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks));
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()
{
static 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) {
CFDictionaryPropertyBag* userInfo = createUserInfoFromArray(getNotificationString(kWebHistoryItemsDiscardedWhileLoadingNotification), discardedItems.get());
hr = postNotification(kWebHistoryItemsDiscardedWhileLoadingNotification, userInfo);
releaseUserInfo(userInfo);
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<CFWriteStreamRef> stream(AdoptCF, CFWriteStreamCreateWithFile(kCFAllocatorDefault, url));
if (!stream)
return E_FAIL;
CFMutableArrayRef rawEntries;
hr = datesArray(&rawEntries);
if (FAILED(hr))
return hr;
RetainPtr<CFMutableArrayRef> entries(AdoptCF, rawEntries);
// create the outer dictionary
CFTypeRef keys[2];
CFTypeRef values[2];
keys[0] = DatesArrayKey;
values[0] = entries.get();
keys[1] = FileVersionKey;
int version = currentFileVersion;
RetainPtr<CFNumberRef> versionCF(AdoptCF, CFNumberCreate(0, kCFNumberIntType, &version));
values[1] = versionCF.get();
RetainPtr<CFDictionaryRef> dictionary(AdoptCF,
CFDictionaryCreate(0, keys, values, 2, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
if (!CFWriteStreamOpen(stream.get()))
return E_FAIL;
if (!CFPropertyListWriteToStream(dictionary.get(), stream.get(), kCFPropertyListXMLFormat_v1_0, 0))
hr = E_FAIL;
CFWriteStreamClose(stream.get());
return hr;
}
HRESULT WebHistory::datesArray(CFMutableArrayRef* datesArray)
{
HRESULT hr = S_OK;
RetainPtr<CFMutableArrayRef> result(AdoptCF, CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks));
// for each date with entries
int dateCount = CFArrayGetCount(m_entriesByDate.get());
for (int i = 0; i < dateCount; ++i) {
// get the entries for that date
CFArrayRef entries = (CFArrayRef)CFArrayGetValueAtIndex(m_entriesByDate.get(), i);
int entriesCount = CFArrayGetCount(entries);
for (int j = entriesCount - 1; j >= 0; --j) {
IWebHistoryItem* item = (IWebHistoryItem*) CFArrayGetValueAtIndex(entries, j);
IWebHistoryItemPrivate* webHistoryItem;
hr = item->QueryInterface(IID_IWebHistoryItemPrivate, (void**)&webHistoryItem);
if (FAILED(hr))
return E_FAIL;
CFDictionaryRef itemDict;
hr = webHistoryItem->dictionaryRepresentation((void**)&itemDict);
webHistoryItem->Release();
if (FAILED(hr))
return E_FAIL;
CFArrayAppendValue(result.get(), itemDict);
CFRelease(itemDict);
}
}
if (SUCCEEDED(hr))
*datesArray = result.releaseRef();
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)
{
CFArrayRemoveAllValues(m_entriesByDate.get());
CFArrayRemoveAllValues(m_datesWithEntries.get());
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();
CFDictionaryPropertyBag* userInfo = createUserInfoFromArray(getNotificationString(kWebHistoryAllItemsRemovedNotification), allItems.get());
return postNotification(kWebHistoryAllItemsRemovedNotification, userInfo);
}
HRESULT STDMETHODCALLTYPE WebHistory::orderedLastVisitedDays(
/* [out][in] */ int* count,
/* [in] */ DATE* calendarDates)
{
int dateCount = CFArrayGetCount(m_datesWithEntries.get());
if (!calendarDates) {
*count = dateCount;
return S_OK;
}
if (*count < dateCount) {
*count = dateCount;
return E_FAIL;
}
*count = dateCount;
for (int i = 0; i < dateCount; i++) {
CFNumberRef absoluteTimeNumberRef = (CFNumberRef)CFArrayGetValueAtIndex(m_datesWithEntries.get(), i);
CFAbsoluteTime absoluteTime;
if (!CFNumberGetValue(absoluteTimeNumberRef, kCFNumberDoubleType, &absoluteTime))
return E_FAIL;
calendarDates[i] = MarshallingHelpers::CFAbsoluteTimeToDATE(absoluteTime);
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE WebHistory::orderedItemsLastVisitedOnDay(
/* [out][in] */ int* count,
/* [in] */ IWebHistoryItem** items,
/* [in] */ DATE calendarDate)
{
int index;
if (!findIndex(&index, MarshallingHelpers::DATEToCFAbsoluteTime(calendarDate))) {
*count = 0;
return 0;
}
CFArrayRef entries = (CFArrayRef)CFArrayGetValueAtIndex(m_entriesByDate.get(), index);
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[newCount - i - 1] = item; // reverse when inserting to get the list sorted oldest to newest
}
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 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;
CFDictionaryPropertyBag* userInfo = createUserInfoFromHistoryItem(
getNotificationString(kWebHistoryItemsRemovedNotification), entry);
hr = postNotification(kWebHistoryItemsRemovedNotification, userInfo);
releaseUserInfo(userInfo);
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);
CFDictionaryPropertyBag* userInfo = createUserInfoFromHistoryItem(
getNotificationString(kWebHistoryItemsAddedNotification), entry);
hr = postNotification(kWebHistoryItemsAddedNotification, userInfo);
releaseUserInfo(userInfo);
if (added)
*added = true;
return hr;
}
void WebHistory::visitedURL(const KURL& url, const String& title, const String& httpMethod, bool wasFailure, const KURL& serverRedirectURL, bool isClientRedirect)
{
if (isClientRedirect) {
ASSERT(serverRedirectURL.isEmpty());
if (m_lastVisitedEntry)
m_lastVisitedEntry->historyItem()->addRedirectURL(url.string());
}
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));
} else {
COMPtr<WebHistoryItem> item(AdoptCOM, WebHistoryItem::createInstance());
if (!item)
return;
entry = item.get();
SYSTEMTIME currentTime;
GetSystemTime(&currentTime);
DATE lastVisited;
if (!SystemTimeToVariantTime(&currentTime, &lastVisited))
return;
if (FAILED(entry->initWithURLString(BString(url.string()), BString(title), lastVisited)))
return;
item->recordInitialVisit();
CFDictionarySetValue(m_entriesByURL.get(), urlString.get(), entry);
}
addItemToDateCaches(entry);
m_lastVisitedEntry.query(entry);
COMPtr<IWebHistoryItemPrivate> entryPrivate(Query, entry);
if (!entryPrivate)
return;
entryPrivate->setLastVisitWasFailure(wasFailure);
if (!httpMethod.isEmpty())
entryPrivate->setLastVisitWasHTTPNonGet(!equalIgnoringCase(httpMethod, "GET"));
if (!serverRedirectURL.isEmpty()) {
ASSERT(!isClientRedirect);
COMPtr<WebHistoryItem> item(Query, entry);
item->historyItem()->addRedirectURL(serverRedirectURL);
}
CFDictionaryPropertyBag* userInfo = createUserInfoFromHistoryItem(
getNotificationString(kWebHistoryItemsAddedNotification), entry);
postNotification(kWebHistoryItemsAddedNotification, userInfo);
releaseUserInfo(userInfo);
}
void WebHistory::visitedURLForRedirectWithoutHistoryItem(const KURL& url)
{
if (m_lastVisitedEntry)
m_lastVisitedEntry->historyItem()->addRedirectURL(url.string());
}
HRESULT WebHistory::itemForURLString(
/* [in] */ CFStringRef urlString,
/* [retval][out] */ IWebHistoryItem** item)
{
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;
}
HRESULT WebHistory::addItemToDateCaches(IWebHistoryItem* entry)
{
HRESULT hr = S_OK;
DATE lastVisitedCOMTime;
entry->lastVisitedTimeInterval(&lastVisitedCOMTime);
CFAbsoluteTime lastVisitedDate = timeToDate(MarshallingHelpers::DATEToCFAbsoluteTime(lastVisitedCOMTime));
int dateIndex;
if (findIndex(&dateIndex, lastVisitedDate)) {
// other entries already exist for this date
hr = insertItem(entry, dateIndex);
} else {
// no other entries exist for this date
RetainPtr<CFNumberRef> lastVisitedDateRef(AdoptCF, CFNumberCreate(0, kCFNumberDoubleType, &lastVisitedDate));
CFArrayInsertValueAtIndex(m_datesWithEntries.get(), dateIndex, lastVisitedDateRef.get());
RetainPtr<CFMutableArrayRef> entryArray(AdoptCF,
CFArrayCreateMutable(0, 0, &MarshallingHelpers::kIUnknownArrayCallBacks));
CFArrayAppendValue(entryArray.get(), entry);
CFArrayInsertValueAtIndex(m_entriesByDate.get(), dateIndex, entryArray.get());
}
return hr;
}
HRESULT WebHistory::removeItemFromDateCaches(IWebHistoryItem* entry)
{
HRESULT hr = S_OK;
DATE lastVisitedCOMTime;
entry->lastVisitedTimeInterval(&lastVisitedCOMTime);
CFAbsoluteTime lastVisitedDate = timeToDate(MarshallingHelpers::DATEToCFAbsoluteTime(lastVisitedCOMTime));
int dateIndex;
if (!findIndex(&dateIndex, lastVisitedDate))
return E_FAIL;
CFMutableArrayRef entriesForDate = (CFMutableArrayRef) CFArrayGetValueAtIndex(m_entriesByDate.get(), dateIndex);
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) {
CFArrayRemoveValueAtIndex(m_entriesByDate.get(), dateIndex);
CFArrayRemoveValueAtIndex(m_datesWithEntries.get(), dateIndex);
}
return hr;
}
// Returns whether the day is already in the list of days,
// and fills in *index with the found or proposed index.
bool WebHistory::findIndex(int* index, CFAbsoluteTime forDay)
{
CFAbsoluteTime forDayInDays = timeToDate(forDay);
//FIXME: just does linear search through days; inefficient if many days
int count = CFArrayGetCount(m_datesWithEntries.get());
for (*index = 0; *index < count; ++*index) {
CFNumberRef entryTimeNumberRef = (CFNumberRef) CFArrayGetValueAtIndex(m_datesWithEntries.get(), *index);
CFAbsoluteTime entryTime;
CFNumberGetValue(entryTimeNumberRef, kCFNumberDoubleType, &entryTime);
CFAbsoluteTime entryInDays = timeToDate(entryTime);
if (areEqualOrClose(forDayInDays, entryInDays))
return true;
else if (forDayInDays > entryInDays)
return false;
}
return false;
}
HRESULT WebHistory::insertItem(IWebHistoryItem* entry, int dateIndex)
{
HRESULT hr = S_OK;
if (!entry)
return E_FAIL;
if (dateIndex < 0 || dateIndex >= CFArrayGetCount(m_entriesByDate.get()))
return E_FAIL;
//FIXME: just does linear search through entries; inefficient if many entries for this date
DATE entryTime;
entry->lastVisitedTimeInterval(&entryTime);
CFMutableArrayRef entriesForDate = (CFMutableArrayRef) CFArrayGetValueAtIndex(m_entriesByDate.get(), dateIndex);
int count = CFArrayGetCount(entriesForDate);
// optimized for inserting oldest to youngest
int index;
for (index = 0; index < count; ++index) {
IWebHistoryItem* indEntry = (IWebHistoryItem*) CFArrayGetValueAtIndex(entriesForDate, index);
DATE indTime;
hr = indEntry->lastVisitedTimeInterval(&indTime);
if (FAILED(hr))
return hr;
if (entryTime < indTime)
break;
}
CFArrayInsertValueAtIndex(entriesForDate, index, 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);
}