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/*
* Copyright (C) 2005, 2006, 2008 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 "HistoryItem.h"
#include "CString.h"
#include "CachedPage.h"
#include "Document.h"
#include "IconDatabase.h"
#include "PageCache.h"
#include "ResourceRequest.h"
#include <stdio.h>
namespace WebCore {
static void defaultNotifyHistoryItemChanged(HistoryItem*)
{
}
void (*notifyHistoryItemChanged)(HistoryItem*) = defaultNotifyHistoryItemChanged;
HistoryItem::HistoryItem()
: m_lastVisitedTime(0)
, m_lastVisitWasHTTPNonGet(false)
, m_lastVisitWasFailure(false)
, m_isTargetItem(false)
, m_visitCount(0)
{
}
HistoryItem::HistoryItem(const String& urlString, const String& title, double time)
: m_urlString(urlString)
, m_originalURLString(urlString)
, m_title(title)
, m_lastVisitedTime(time)
, m_lastVisitWasHTTPNonGet(false)
, m_lastVisitWasFailure(false)
, m_isTargetItem(false)
, m_visitCount(0)
{
iconDatabase()->retainIconForPageURL(m_urlString);
}
HistoryItem::HistoryItem(const String& urlString, const String& title, const String& alternateTitle, double time)
: m_urlString(urlString)
, m_originalURLString(urlString)
, m_title(title)
, m_displayTitle(alternateTitle)
, m_lastVisitedTime(time)
, m_lastVisitWasHTTPNonGet(false)
, m_lastVisitWasFailure(false)
, m_isTargetItem(false)
, m_visitCount(0)
{
iconDatabase()->retainIconForPageURL(m_urlString);
}
HistoryItem::HistoryItem(const KURL& url, const String& target, const String& parent, const String& title)
: m_urlString(url.string())
, m_originalURLString(url.string())
, m_target(target)
, m_parent(parent)
, m_title(title)
, m_lastVisitedTime(0)
, m_lastVisitWasHTTPNonGet(false)
, m_lastVisitWasFailure(false)
, m_isTargetItem(false)
, m_visitCount(0)
{
iconDatabase()->retainIconForPageURL(m_urlString);
}
HistoryItem::~HistoryItem()
{
ASSERT(!m_cachedPage);
iconDatabase()->releaseIconForPageURL(m_urlString);
#ifdef ANDROID_HISTORY_CLIENT
if (m_bridge)
m_bridge->detachHistoryItem();
#endif
}
inline HistoryItem::HistoryItem(const HistoryItem& item)
: RefCounted<HistoryItem>()
, m_urlString(item.m_urlString)
, m_originalURLString(item.m_originalURLString)
, m_referrer(item.m_referrer)
, m_target(item.m_target)
, m_parent(item.m_parent)
, m_title(item.m_title)
, m_displayTitle(item.m_displayTitle)
, m_lastVisitedTime(item.m_lastVisitedTime)
, m_lastVisitWasHTTPNonGet(item.m_lastVisitWasHTTPNonGet)
, m_scrollPoint(item.m_scrollPoint)
, m_lastVisitWasFailure(item.m_lastVisitWasFailure)
, m_isTargetItem(item.m_isTargetItem)
, m_visitCount(item.m_visitCount)
, m_dailyVisitCounts(item.m_dailyVisitCounts)
, m_weeklyVisitCounts(item.m_weeklyVisitCounts)
, m_formContentType(item.m_formContentType)
{
ASSERT(!item.m_cachedPage);
if (item.m_formData)
m_formData = item.m_formData->copy();
unsigned size = item.m_children.size();
m_children.reserveInitialCapacity(size);
for (unsigned i = 0; i < size; ++i)
m_children.uncheckedAppend(item.m_children[i]->copy());
if (item.m_redirectURLs)
m_redirectURLs.set(new Vector<String>(*item.m_redirectURLs));
}
PassRefPtr<HistoryItem> HistoryItem::copy() const
{
return adoptRef(new HistoryItem(*this));
}
const String& HistoryItem::urlString() const
{
return m_urlString;
}
// The first URL we loaded to get to where this history item points. Includes both client
// and server redirects.
const String& HistoryItem::originalURLString() const
{
return m_originalURLString;
}
const String& HistoryItem::title() const
{
return m_title;
}
const String& HistoryItem::alternateTitle() const
{
return m_displayTitle;
}
Image* HistoryItem::icon() const
{
Image* result = iconDatabase()->iconForPageURL(m_urlString, IntSize(16, 16));
return result ? result : iconDatabase()->defaultIcon(IntSize(16, 16));
}
double HistoryItem::lastVisitedTime() const
{
return m_lastVisitedTime;
}
KURL HistoryItem::url() const
{
return KURL(ParsedURLString, m_urlString);
}
KURL HistoryItem::originalURL() const
{
return KURL(ParsedURLString, m_originalURLString);
}
const String& HistoryItem::referrer() const
{
return m_referrer;
}
const String& HistoryItem::target() const
{
return m_target;
}
const String& HistoryItem::parent() const
{
return m_parent;
}
void HistoryItem::setAlternateTitle(const String& alternateTitle)
{
m_displayTitle = alternateTitle;
notifyHistoryItemChanged(this);
}
void HistoryItem::setURLString(const String& urlString)
{
if (m_urlString != urlString) {
iconDatabase()->releaseIconForPageURL(m_urlString);
m_urlString = urlString;
iconDatabase()->retainIconForPageURL(m_urlString);
}
notifyHistoryItemChanged(this);
}
void HistoryItem::setURL(const KURL& url)
{
pageCache()->remove(this);
setURLString(url.string());
clearDocumentState();
}
void HistoryItem::setOriginalURLString(const String& urlString)
{
m_originalURLString = urlString;
notifyHistoryItemChanged(this);
}
void HistoryItem::setReferrer(const String& referrer)
{
m_referrer = referrer;
notifyHistoryItemChanged(this);
}
void HistoryItem::setTitle(const String& title)
{
m_title = title;
notifyHistoryItemChanged(this);
}
void HistoryItem::setTarget(const String& target)
{
m_target = target;
notifyHistoryItemChanged(this);
}
void HistoryItem::setParent(const String& parent)
{
m_parent = parent;
}
static inline int timeToDay(double time)
{
static const double secondsPerDay = 60 * 60 * 24;
return static_cast<int>(ceil(time / secondsPerDay));
}
void HistoryItem::padDailyCountsForNewVisit(double time)
{
if (m_dailyVisitCounts.isEmpty())
m_dailyVisitCounts.prepend(m_visitCount);
int daysElapsed = timeToDay(time) - timeToDay(m_lastVisitedTime);
if (daysElapsed < 0)
daysElapsed = 0;
Vector<int> padding;
padding.fill(0, daysElapsed);
m_dailyVisitCounts.prepend(padding);
}
static const size_t daysPerWeek = 7;
static const size_t maxDailyCounts = 2 * daysPerWeek - 1;
static const size_t maxWeeklyCounts = 5;
void HistoryItem::collapseDailyVisitsToWeekly()
{
while (m_dailyVisitCounts.size() > maxDailyCounts) {
int oldestWeekTotal = 0;
for (size_t i = 0; i < daysPerWeek; i++)
oldestWeekTotal += m_dailyVisitCounts[m_dailyVisitCounts.size() - daysPerWeek + i];
m_dailyVisitCounts.shrink(m_dailyVisitCounts.size() - daysPerWeek);
m_weeklyVisitCounts.prepend(oldestWeekTotal);
}
if (m_weeklyVisitCounts.size() > maxWeeklyCounts)
m_weeklyVisitCounts.shrink(maxWeeklyCounts);
}
void HistoryItem::recordVisitAtTime(double time, VisitCountBehavior visitCountBehavior)
{
padDailyCountsForNewVisit(time);
m_lastVisitedTime = time;
if (visitCountBehavior == IncreaseVisitCount) {
++m_visitCount;
++m_dailyVisitCounts[0];
}
collapseDailyVisitsToWeekly();
}
void HistoryItem::setLastVisitedTime(double time)
{
if (m_lastVisitedTime != time)
recordVisitAtTime(time);
}
void HistoryItem::visited(const String& title, double time, VisitCountBehavior visitCountBehavior)
{
m_title = title;
recordVisitAtTime(time, visitCountBehavior);
}
int HistoryItem::visitCount() const
{
return m_visitCount;
}
void HistoryItem::recordInitialVisit()
{
ASSERT(!m_visitCount);
recordVisitAtTime(m_lastVisitedTime);
}
void HistoryItem::setVisitCount(int count)
{
m_visitCount = count;
}
void HistoryItem::adoptVisitCounts(Vector<int>& dailyCounts, Vector<int>& weeklyCounts)
{
m_dailyVisitCounts.clear();
m_dailyVisitCounts.swap(dailyCounts);
m_weeklyVisitCounts.clear();
m_weeklyVisitCounts.swap(weeklyCounts);
}
const IntPoint& HistoryItem::scrollPoint() const
{
return m_scrollPoint;
}
void HistoryItem::setScrollPoint(const IntPoint& point)
{
m_scrollPoint = point;
}
void HistoryItem::clearScrollPoint()
{
m_scrollPoint.setX(0);
m_scrollPoint.setY(0);
}
void HistoryItem::setDocumentState(const Vector<String>& state)
{
m_documentState = state;
#if PLATFORM(ANDROID)
notifyHistoryItemChanged(this);
#endif
}
const Vector<String>& HistoryItem::documentState() const
{
return m_documentState;
}
void HistoryItem::clearDocumentState()
{
m_documentState.clear();
#if PLATFORM(ANDROID)
notifyHistoryItemChanged(this);
#endif
}
bool HistoryItem::isTargetItem() const
{
return m_isTargetItem;
}
void HistoryItem::setIsTargetItem(bool flag)
{
m_isTargetItem = flag;
#if PLATFORM(ANDROID)
notifyHistoryItemChanged(this);
#endif
}
void HistoryItem::addChildItem(PassRefPtr<HistoryItem> child)
{
ASSERT(!childItemWithTarget(child->target()));
m_children.append(child);
#if PLATFORM(ANDROID)
notifyHistoryItemChanged(this);
#endif
}
void HistoryItem::setChildItem(PassRefPtr<HistoryItem> child)
{
ASSERT(!child->isTargetItem());
unsigned size = m_children.size();
for (unsigned i = 0; i < size; ++i) {
if (m_children[i]->target() == child->target()) {
child->setIsTargetItem(m_children[i]->isTargetItem());
m_children[i] = child;
return;
}
}
m_children.append(child);
}
HistoryItem* HistoryItem::childItemWithTarget(const String& target) const
{
unsigned size = m_children.size();
for (unsigned i = 0; i < size; ++i) {
if (m_children[i]->target() == target)
return m_children[i].get();
}
return 0;
}
// <rdar://problem/4895849> HistoryItem::findTargetItem() should be replaced with a non-recursive method.
HistoryItem* HistoryItem::findTargetItem()
{
if (m_isTargetItem)
return this;
unsigned size = m_children.size();
for (unsigned i = 0; i < size; ++i) {
if (HistoryItem* match = m_children[i]->targetItem())
return match;
}
return 0;
}
HistoryItem* HistoryItem::targetItem()
{
HistoryItem* foundItem = findTargetItem();
return foundItem ? foundItem : this;
}
const HistoryItemVector& HistoryItem::children() const
{
return m_children;
}
bool HistoryItem::hasChildren() const
{
return !m_children.isEmpty();
}
void HistoryItem::clearChildren()
{
m_children.clear();
}
String HistoryItem::formContentType() const
{
return m_formContentType;
}
void HistoryItem::setFormInfoFromRequest(const ResourceRequest& request)
{
m_referrer = request.httpReferrer();
if (equalIgnoringCase(request.httpMethod(), "POST")) {
// FIXME: Eventually we have to make this smart enough to handle the case where
// we have a stream for the body to handle the "data interspersed with files" feature.
m_formData = request.httpBody();
m_formContentType = request.httpContentType();
} else {
m_formData = 0;
m_formContentType = String();
}
#if PLATFORM(ANDROID)
notifyHistoryItemChanged(this);
#endif
}
void HistoryItem::setFormData(PassRefPtr<FormData> formData)
{
m_formData = formData;
}
void HistoryItem::setFormContentType(const String& formContentType)
{
m_formContentType = formContentType;
}
FormData* HistoryItem::formData()
{
return m_formData.get();
}
bool HistoryItem::isCurrentDocument(Document* doc) const
{
// FIXME: We should find a better way to check if this is the current document.
return equalIgnoringFragmentIdentifier(url(), doc->url());
}
void HistoryItem::mergeAutoCompleteHints(HistoryItem* otherItem)
{
// FIXME: this is broken - we should be merging the daily counts
// somehow. but this is to support API that's not really used in
// practice so leave it broken for now.
ASSERT(otherItem);
if (otherItem != this)
m_visitCount += otherItem->m_visitCount;
}
void HistoryItem::addRedirectURL(const String& url)
{
if (!m_redirectURLs)
m_redirectURLs.set(new Vector<String>);
// Our API allows us to store all the URLs in the redirect chain, but for
// now we only have a use for the final URL.
(*m_redirectURLs).resize(1);
(*m_redirectURLs)[0] = url;
}
Vector<String>* HistoryItem::redirectURLs() const
{
return m_redirectURLs.get();
}
void HistoryItem::setRedirectURLs(PassOwnPtr<Vector<String> > redirectURLs)
{
m_redirectURLs = redirectURLs;
}
#ifndef NDEBUG
int HistoryItem::showTree() const
{
return showTreeWithIndent(0);
}
int HistoryItem::showTreeWithIndent(unsigned indentLevel) const
{
Vector<char> prefix;
for (unsigned i = 0; i < indentLevel; ++i)
prefix.append(" ", 2);
prefix.append("\0", 1);
fprintf(stderr, "%s+-%s (%p)\n", prefix.data(), m_urlString.utf8().data(), this);
int totalSubItems = 0;
for (unsigned i = 0; i < m_children.size(); ++i)
totalSubItems += m_children[i]->showTreeWithIndent(indentLevel + 1);
return totalSubItems + 1;
}
#endif
} // namespace WebCore
#ifndef NDEBUG
int showTree(const WebCore::HistoryItem* item)
{
return item->showTree();
}
#endif
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