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/*
* Copyright (C) 2005, 2007, 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#import "WebHistoryItemInternal.h"
#import "WebHistoryItemPrivate.h"
#import "WebFrameInternal.h"
#import "WebFrameView.h"
#import "WebHTMLViewInternal.h"
#import "WebIconDatabase.h"
#import "WebKitLogging.h"
#import "WebKitNSStringExtras.h"
#import "WebNSArrayExtras.h"
#import "WebNSDictionaryExtras.h"
#import "WebNSObjectExtras.h"
#import "WebNSURLExtras.h"
#import "WebNSURLRequestExtras.h"
#import "WebNSViewExtras.h"
#import "WebPluginController.h"
#import "WebTypesInternal.h"
#import <WebCore/HistoryItem.h>
#import <WebCore/Image.h>
#import <WebCore/KURL.h>
#import <WebCore/PageCache.h>
#import <WebCore/RunLoop.h>
#import <WebCore/ThreadCheck.h>
#import <WebCore/WebCoreObjCExtras.h>
#import <runtime/InitializeThreading.h>
#import <wtf/Assertions.h>
#import <wtf/MainThread.h>
#import <wtf/StdLibExtras.h>
#import <wtf/text/WTFString.h>
// Private keys used in the WebHistoryItem's dictionary representation.
// see 3245793 for explanation of "lastVisitedDate"
static NSString *lastVisitedTimeIntervalKey = @"lastVisitedDate";
static NSString *visitCountKey = @"visitCount";
static NSString *titleKey = @"title";
static NSString *childrenKey = @"children";
static NSString *displayTitleKey = @"displayTitle";
static NSString *lastVisitWasFailureKey = @"lastVisitWasFailure";
static NSString *lastVisitWasHTTPNonGetKey = @"lastVisitWasHTTPNonGet";
static NSString *redirectURLsKey = @"redirectURLs";
static NSString *dailyVisitCountKey = @"D"; // short key to save space
static NSString *weeklyVisitCountKey = @"W"; // short key to save space
// Notification strings.
NSString *WebHistoryItemChangedNotification = @"WebHistoryItemChangedNotification";
using namespace WebCore;
typedef HashMap<HistoryItem*, WebHistoryItem*> HistoryItemMap;
static inline WebHistoryItemPrivate* kitPrivate(WebCoreHistoryItem* list) { return (WebHistoryItemPrivate*)list; }
static inline WebCoreHistoryItem* core(WebHistoryItemPrivate* list) { return (WebCoreHistoryItem*)list; }
static HistoryItemMap& historyItemWrappers()
{
DEFINE_STATIC_LOCAL(HistoryItemMap, historyItemWrappers, ());
return historyItemWrappers;
}
void WKNotifyHistoryItemChanged(HistoryItem*)
{
[[NSNotificationCenter defaultCenter]
postNotificationName:WebHistoryItemChangedNotification object:nil userInfo:nil];
}
@implementation WebHistoryItem
+ (void)initialize
{
JSC::initializeThreading();
WTF::initializeMainThreadToProcessMainThread();
WebCore::RunLoop::initializeMainRunLoop();
WebCoreObjCFinalizeOnMainThread(self);
}
- (id)init
{
return [self initWithWebCoreHistoryItem:HistoryItem::create()];
}
- (id)initWithURLString:(NSString *)URLString title:(NSString *)title lastVisitedTimeInterval:(NSTimeInterval)time
{
WebCoreThreadViolationCheckRoundOne();
return [self initWithWebCoreHistoryItem:HistoryItem::create(URLString, title, time)];
}
- (void)dealloc
{
if (WebCoreObjCScheduleDeallocateOnMainThread([WebHistoryItem class], self))
return;
if (_private) {
HistoryItem* coreItem = core(_private);
coreItem->deref();
historyItemWrappers().remove(coreItem);
}
[super dealloc];
}
- (void)finalize
{
WebCoreThreadViolationCheckRoundOne();
// FIXME: ~HistoryItem is what releases the history item's icon from the icon database
// It's probably not good to release icons from the database only when the object is garbage-collected.
// Need to change design so this happens at a predictable time.
if (_private) {
HistoryItem* coreItem = core(_private);
coreItem->deref();
historyItemWrappers().remove(coreItem);
}
[super finalize];
}
- (id)copyWithZone:(NSZone *)zone
{
WebCoreThreadViolationCheckRoundOne();
WebHistoryItem *copy = [[[self class] alloc] initWithWebCoreHistoryItem:core(_private)->copy()];
historyItemWrappers().set(core(copy->_private), copy);
return copy;
}
// FIXME: Need to decide if this class ever returns URLs and decide on the name of this method
- (NSString *)URLString
{
ASSERT_MAIN_THREAD();
return nsStringNilIfEmpty(core(_private)->urlString());
}
// The first URL we loaded to get to where this history item points. Includes both client
// and server redirects.
- (NSString *)originalURLString
{
ASSERT_MAIN_THREAD();
return nsStringNilIfEmpty(core(_private)->originalURLString());
}
- (NSString *)title
{
ASSERT_MAIN_THREAD();
return nsStringNilIfEmpty(core(_private)->title());
}
- (void)setAlternateTitle:(NSString *)alternateTitle
{
core(_private)->setAlternateTitle(alternateTitle);
}
- (NSString *)alternateTitle
{
return nsStringNilIfEmpty(core(_private)->alternateTitle());
}
- (NSImage *)icon
{
return [[WebIconDatabase sharedIconDatabase] iconForURL:[self URLString] withSize:WebIconSmallSize];
}
- (NSTimeInterval)lastVisitedTimeInterval
{
ASSERT_MAIN_THREAD();
return core(_private)->lastVisitedTime();
}
- (NSUInteger)hash
{
return [(NSString*)core(_private)->urlString() hash];
}
- (BOOL)isEqual:(id)anObject
{
ASSERT_MAIN_THREAD();
if (![anObject isMemberOfClass:[WebHistoryItem class]]) {
return NO;
}
return core(_private)->urlString() == core(((WebHistoryItem*)anObject)->_private)->urlString();
}
- (NSString *)description
{
ASSERT_MAIN_THREAD();
HistoryItem* coreItem = core(_private);
NSMutableString *result = [NSMutableString stringWithFormat:@"%@ %@", [super description], (NSString*)coreItem->urlString()];
if (!coreItem->target().isEmpty()) {
NSString *target = coreItem->target();
[result appendFormat:@" in \"%@\"", target];
}
if (coreItem->isTargetItem()) {
[result appendString:@" *target*"];
}
if (coreItem->formData()) {
[result appendString:@" *POST*"];
}
if (coreItem->children().size()) {
const HistoryItemVector& children = coreItem->children();
int currPos = [result length];
unsigned size = children.size();
for (unsigned i = 0; i < size; ++i) {
WebHistoryItem *child = kit(children[i].get());
[result appendString:@"\n"];
[result appendString:[child description]];
}
// shift all the contents over. A bit slow, but hey, this is for debugging.
NSRange replRange = { static_cast<NSUInteger>(currPos), [result length] - currPos };
[result replaceOccurrencesOfString:@"\n" withString:@"\n " options:0 range:replRange];
}
return result;
}
@end
@implementation WebHistoryItem (WebInternal)
HistoryItem* core(WebHistoryItem *item)
{
if (!item)
return 0;
ASSERT(historyItemWrappers().get(core(item->_private)) == item);
return core(item->_private);
}
WebHistoryItem *kit(HistoryItem* item)
{
if (!item)
return nil;
WebHistoryItem *kitItem = historyItemWrappers().get(item);
if (kitItem)
return kitItem;
return [[[WebHistoryItem alloc] initWithWebCoreHistoryItem:item] autorelease];
}
+ (WebHistoryItem *)entryWithURL:(NSURL *)URL
{
return [[[self alloc] initWithURL:URL title:nil] autorelease];
}
- (id)initWithURL:(NSURL *)URL target:(NSString *)target parent:(NSString *)parent title:(NSString *)title
{
return [self initWithWebCoreHistoryItem:HistoryItem::create(URL, target, parent, title)];
}
- (id)initWithURLString:(NSString *)URLString title:(NSString *)title displayTitle:(NSString *)displayTitle lastVisitedTimeInterval:(NSTimeInterval)time
{
return [self initWithWebCoreHistoryItem:HistoryItem::create(URLString, title, displayTitle, time)];
}
- (id)initWithWebCoreHistoryItem:(PassRefPtr<HistoryItem>)item
{
WebCoreThreadViolationCheckRoundOne();
// Need to tell WebCore what function to call for the
// "History Item has Changed" notification - no harm in doing this
// everytime a WebHistoryItem is created
// Note: We also do this in [WebFrameView initWithFrame:] where we do
// other "init before WebKit is used" type things
WebCore::notifyHistoryItemChanged = WKNotifyHistoryItemChanged;
self = [super init];
_private = kitPrivate(item.leakRef());
ASSERT(!historyItemWrappers().get(core(_private)));
historyItemWrappers().set(core(_private), self);
return self;
}
- (void)setTitle:(NSString *)title
{
core(_private)->setTitle(title);
}
- (void)setVisitCount:(int)count
{
core(_private)->setVisitCount(count);
}
- (void)setViewState:(id)statePList
{
core(_private)->setViewState(statePList);
}
- (void)_mergeAutoCompleteHints:(WebHistoryItem *)otherItem
{
ASSERT_ARG(otherItem, otherItem);
core(_private)->mergeAutoCompleteHints(core(otherItem->_private));
}
- (id)initFromDictionaryRepresentation:(NSDictionary *)dict
{
ASSERT_MAIN_THREAD();
NSString *URLString = [dict _webkit_stringForKey:@""];
NSString *title = [dict _webkit_stringForKey:titleKey];
// Do an existence check to avoid calling doubleValue on a nil string. Leave
// time interval at 0 if there's no value in dict.
NSString *timeIntervalString = [dict _webkit_stringForKey:lastVisitedTimeIntervalKey];
NSTimeInterval lastVisited = timeIntervalString == nil ? 0 : [timeIntervalString doubleValue];
self = [self initWithURLString:URLString title:title displayTitle:[dict _webkit_stringForKey:displayTitleKey] lastVisitedTimeInterval:lastVisited];
// Check if we've read a broken URL from the file that has non-Latin1 chars. If so, try to convert
// as if it was from user typing.
if (![URLString canBeConvertedToEncoding:NSISOLatin1StringEncoding]) {
NSURL *tempURL = [NSURL _web_URLWithUserTypedString:URLString];
ASSERT(tempURL);
NSString *newURLString = [tempURL _web_originalDataAsString];
core(_private)->setURLString(newURLString);
core(_private)->setOriginalURLString(newURLString);
}
int visitCount = [dict _webkit_intForKey:visitCountKey];
// Can't trust data on disk, and we've had at least one report of this (<rdar://6572300>).
if (visitCount < 0) {
LOG_ERROR("visit count for history item \"%@\" is negative (%d), will be reset to 1", URLString, visitCount);
visitCount = 1;
}
core(_private)->setVisitCount(visitCount);
if ([dict _webkit_boolForKey:lastVisitWasFailureKey])
core(_private)->setLastVisitWasFailure(true);
BOOL lastVisitWasHTTPNonGet = [dict _webkit_boolForKey:lastVisitWasHTTPNonGetKey];
NSString *tempURLString = [URLString lowercaseString];
if (lastVisitWasHTTPNonGet && ([tempURLString hasPrefix:@"http:"] || [tempURLString hasPrefix:@"https:"]))
core(_private)->setLastVisitWasHTTPNonGet(lastVisitWasHTTPNonGet);
if (NSArray *redirectURLs = [dict _webkit_arrayForKey:redirectURLsKey]) {
NSUInteger size = [redirectURLs count];
OwnPtr<Vector<String> > redirectURLsVector = adoptPtr(new Vector<String>(size));
for (NSUInteger i = 0; i < size; ++i)
(*redirectURLsVector)[i] = String([redirectURLs _webkit_stringAtIndex:i]);
core(_private)->setRedirectURLs(redirectURLsVector.release());
}
NSArray *dailyCounts = [dict _webkit_arrayForKey:dailyVisitCountKey];
NSArray *weeklyCounts = [dict _webkit_arrayForKey:weeklyVisitCountKey];
if (dailyCounts || weeklyCounts) {
Vector<int> coreDailyCounts([dailyCounts count]);
Vector<int> coreWeeklyCounts([weeklyCounts count]);
// Daily and weekly counts < 0 are errors in the data read from disk, so reset to 0.
for (size_t i = 0; i < coreDailyCounts.size(); ++i)
coreDailyCounts[i] = std::max([[dailyCounts _webkit_numberAtIndex:i] intValue], 0);
for (size_t i = 0; i < coreWeeklyCounts.size(); ++i)
coreWeeklyCounts[i] = std::max([[weeklyCounts _webkit_numberAtIndex:i] intValue], 0);
core(_private)->adoptVisitCounts(coreDailyCounts, coreWeeklyCounts);
}
NSArray *childDicts = [dict objectForKey:childrenKey];
if (childDicts) {
for (int i = [childDicts count] - 1; i >= 0; i--) {
WebHistoryItem *child = [[WebHistoryItem alloc] initFromDictionaryRepresentation:[childDicts objectAtIndex:i]];
core(_private)->addChildItem(core(child->_private));
[child release];
}
}
return self;
}
- (NSPoint)scrollPoint
{
ASSERT_MAIN_THREAD();
return core(_private)->scrollPoint();
}
- (void)_visitedWithTitle:(NSString *)title increaseVisitCount:(BOOL)increaseVisitCount
{
core(_private)->visited(title, [NSDate timeIntervalSinceReferenceDate], increaseVisitCount ? IncreaseVisitCount : DoNotIncreaseVisitCount);
}
- (void)_recordInitialVisit
{
core(_private)->recordInitialVisit();
}
@end
@implementation WebHistoryItem (WebPrivate)
- (id)initWithURL:(NSURL *)URL title:(NSString *)title
{
return [self initWithURLString:[URL _web_originalDataAsString] title:title lastVisitedTimeInterval:0];
}
- (NSDictionary *)dictionaryRepresentation
{
ASSERT_MAIN_THREAD();
NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithCapacity:8];
HistoryItem* coreItem = core(_private);
if (!coreItem->urlString().isEmpty())
[dict setObject:(NSString*)coreItem->urlString() forKey:@""];
if (!coreItem->title().isEmpty())
[dict setObject:(NSString*)coreItem->title() forKey:titleKey];
if (!coreItem->alternateTitle().isEmpty())
[dict setObject:(NSString*)coreItem->alternateTitle() forKey:displayTitleKey];
if (coreItem->lastVisitedTime() != 0.0) {
// Store as a string to maintain backward compatibility. (See 3245793)
[dict setObject:[NSString stringWithFormat:@"%.1lf", coreItem->lastVisitedTime()]
forKey:lastVisitedTimeIntervalKey];
}
if (coreItem->visitCount())
[dict setObject:[NSNumber numberWithInt:coreItem->visitCount()] forKey:visitCountKey];
if (coreItem->lastVisitWasFailure())
[dict setObject:[NSNumber numberWithBool:YES] forKey:lastVisitWasFailureKey];
if (coreItem->lastVisitWasHTTPNonGet()) {
ASSERT(coreItem->urlString().startsWith("http:", false) || coreItem->urlString().startsWith("https:", false));
[dict setObject:[NSNumber numberWithBool:YES] forKey:lastVisitWasHTTPNonGetKey];
}
if (Vector<String>* redirectURLs = coreItem->redirectURLs()) {
size_t size = redirectURLs->size();
ASSERT(size);
NSMutableArray *result = [[NSMutableArray alloc] initWithCapacity:size];
for (size_t i = 0; i < size; ++i)
[result addObject:(NSString*)redirectURLs->at(i)];
[dict setObject:result forKey:redirectURLsKey];
[result release];
}
const Vector<int>& dailyVisitCounts = coreItem->dailyVisitCounts();
if (dailyVisitCounts.size()) {
NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:13];
for (size_t i = 0; i < dailyVisitCounts.size(); ++i)
[array addObject:[NSNumber numberWithInt:dailyVisitCounts[i]]];
[dict setObject:array forKey:dailyVisitCountKey];
[array release];
}
const Vector<int>& weeklyVisitCounts = coreItem->weeklyVisitCounts();
if (weeklyVisitCounts.size()) {
NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:5];
for (size_t i = 0; i < weeklyVisitCounts.size(); ++i)
[array addObject:[NSNumber numberWithInt:weeklyVisitCounts[i]]];
[dict setObject:array forKey:weeklyVisitCountKey];
[array release];
}
if (coreItem->children().size()) {
const HistoryItemVector& children = coreItem->children();
NSMutableArray *childDicts = [NSMutableArray arrayWithCapacity:children.size()];
for (int i = children.size() - 1; i >= 0; i--)
[childDicts addObject:[kit(children[i].get()) dictionaryRepresentation]];
[dict setObject: childDicts forKey:childrenKey];
}
return dict;
}
- (NSString *)target
{
ASSERT_MAIN_THREAD();
return nsStringNilIfEmpty(core(_private)->target());
}
- (BOOL)isTargetItem
{
return core(_private)->isTargetItem();
}
- (int)visitCount
{
ASSERT_MAIN_THREAD();
return core(_private)->visitCount();
}
- (NSString *)RSSFeedReferrer
{
return nsStringNilIfEmpty(core(_private)->referrer());
}
- (void)setRSSFeedReferrer:(NSString *)referrer
{
core(_private)->setReferrer(referrer);
}
- (NSArray *)children
{
ASSERT_MAIN_THREAD();
const HistoryItemVector& children = core(_private)->children();
if (!children.size())
return nil;
unsigned size = children.size();
NSMutableArray *result = [[[NSMutableArray alloc] initWithCapacity:size] autorelease];
for (unsigned i = 0; i < size; ++i)
[result addObject:kit(children[i].get())];
return result;
}
- (void)setAlwaysAttemptToUsePageCache:(BOOL)flag
{
// Safari 2.0 uses this for SnapBack, so we stub it out to avoid a crash.
}
- (NSURL *)URL
{
ASSERT_MAIN_THREAD();
const KURL& url = core(_private)->url();
if (url.isEmpty())
return nil;
return url;
}
// This should not be called directly for WebHistoryItems that are already included
// in WebHistory. Use -[WebHistory setLastVisitedTimeInterval:forItem:] instead.
- (void)_setLastVisitedTimeInterval:(NSTimeInterval)time
{
core(_private)->setLastVisitedTime(time);
}
// FIXME: <rdar://problem/4880065> - Push Global History into WebCore
// Once that task is complete, this accessor can go away
- (NSCalendarDate *)_lastVisitedDate
{
ASSERT_MAIN_THREAD();
return [[[NSCalendarDate alloc] initWithTimeIntervalSinceReferenceDate:core(_private)->lastVisitedTime()] autorelease];
}
- (WebHistoryItem *)targetItem
{
ASSERT_MAIN_THREAD();
return kit(core(_private)->targetItem());
}
+ (void)_releaseAllPendingPageCaches
{
}
- (id)_transientPropertyForKey:(NSString *)key
{
return core(_private)->getTransientProperty(key);
}
- (void)_setTransientProperty:(id)property forKey:(NSString *)key
{
core(_private)->setTransientProperty(key, property);
}
- (BOOL)lastVisitWasFailure
{
return core(_private)->lastVisitWasFailure();
}
- (void)_setLastVisitWasFailure:(BOOL)failure
{
core(_private)->setLastVisitWasFailure(failure);
}
- (BOOL)_lastVisitWasHTTPNonGet
{
return core(_private)->lastVisitWasHTTPNonGet();
}
- (NSArray *)_redirectURLs
{
Vector<String>* redirectURLs = core(_private)->redirectURLs();
if (!redirectURLs)
return nil;
size_t size = redirectURLs->size();
ASSERT(size);
NSMutableArray *result = [[NSMutableArray alloc] initWithCapacity:size];
for (size_t i = 0; i < size; ++i)
[result addObject:(NSString*)redirectURLs->at(i)];
return [result autorelease];
}
- (size_t)_getDailyVisitCounts:(const int**)counts
{
HistoryItem* coreItem = core(_private);
*counts = coreItem->dailyVisitCounts().data();
return coreItem->dailyVisitCounts().size();
}
- (size_t)_getWeeklyVisitCounts:(const int**)counts
{
HistoryItem* coreItem = core(_private);
*counts = coreItem->weeklyVisitCounts().data();
return coreItem->weeklyVisitCounts().size();
}
- (BOOL)_isInPageCache
{
return core(_private)->isInPageCache();
}
- (BOOL)_hasCachedPageExpired
{
return core(_private)->hasCachedPageExpired();
}
@end
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