/*

 * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.

 * Copyright (C) 2006 David Smith (catfish.man@gmail.com)

 *

 * 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 "WebViewInternal.h"

#import "DOMRangeInternal.h"

#import "WebBackForwardList.h"

#import "WebBackForwardListInternal.h"

#import "WebBaseNetscapePluginView.h"

#import "WebChromeClient.h"

#import "WebContextMenuClient.h"

#import "WebDOMOperationsPrivate.h"

#import "WebDashboardRegion.h"

#import "WebDataSourceInternal.h"

#import "WebDefaultEditingDelegate.h"

#import "WebDefaultPolicyDelegate.h"

#import "WebDefaultScriptDebugDelegate.h"

#import "WebDefaultUIDelegate.h"

#import "WebDocument.h"

#import "WebDocumentInternal.h"

#import "WebDownload.h"

#import "WebDownloadInternal.h"

#import "WebDragClient.h"

#import "WebDynamicScrollBarsView.h"

#import "WebEditingDelegate.h"

#import "WebEditorClient.h"

#import "WebFormDelegatePrivate.h"

#import "WebFrameBridge.h"

#import "WebFrameInternal.h"

#import "WebFrameViewInternal.h"

#import "WebHTMLRepresentation.h"

#import "WebHTMLViewInternal.h"

#import "WebHistoryItemInternal.h"

#import "WebIconDatabase.h"

#import "WebIconDatabaseInternal.h"

#import "WebInspectorClient.h"

#import "WebKitErrors.h"

#import "WebKitLogging.h"

#import "WebKitNSStringExtras.h"

#import "WebKitStatisticsPrivate.h"

#import "WebKitSystemBits.h"

#import "WebKitVersionChecks.h"

#import "WebLocalizableStrings.h"

#import "WebNSDataExtras.h"

#import "WebNSDataExtrasPrivate.h"

#import "WebNSDictionaryExtras.h"

#import "WebNSEventExtras.h"

#import "WebNSObjectExtras.h"

#import "WebNSPasteboardExtras.h"

#import "WebNSPrintOperationExtras.h"

#import "WebNSURLExtras.h"

#import "WebNSURLRequestExtras.h"

#import "WebNSUserDefaultsExtras.h"

#import "WebNSViewExtras.h"

#import "WebPanelAuthenticationHandler.h"

#import "WebPasteboardHelper.h"

#import "WebPDFView.h"

#import "WebPluginDatabase.h"

#import "WebPolicyDelegate.h"

#import "WebPreferenceKeysPrivate.h"

#import "WebPreferencesPrivate.h"

#import "WebScriptDebugDelegatePrivate.h"

#import "WebScriptDebugServerPrivate.h"

#import "WebUIDelegate.h"

#import "WebUIDelegatePrivate.h"

#import <CoreFoundation/CFSet.h>

#import <Foundation/NSURLConnection.h>

#import <JavaScriptCore/Assertions.h>

#import <WebCore/Cache.h>

#import <WebCore/ColorMac.h>

#import <WebCore/Document.h>

#import <WebCore/DocumentLoader.h>

#import <WebCore/DragController.h>

#import <WebCore/DragData.h>

#import <WebCore/Editor.h>

#import <WebCore/ExceptionHandlers.h>

#import <WebCore/Frame.h>

#import <WebCore/FrameLoader.h>

#import <WebCore/FrameTree.h>

#import <WebCore/HTMLNames.h>

#import <WebCore/HistoryItem.h>

#import <WebCore/Logging.h>

#import <WebCore/MIMETypeRegistry.h>

#import <WebCore/Page.h>

#import <WebCore/PageCache.h>

#import <WebCore/PlatformMouseEvent.h>

#import <WebCore/ProgressTracker.h>

#import <WebCore/SelectionController.h>

#import <WebCore/Settings.h>

#import <WebCore/TextResourceDecoder.h>

#import <WebCore/WebCoreFrameBridge.h>

#import <WebCore/WebCoreObjCExtras.h>

#import <WebCore/WebCoreTextRenderer.h>

#import <WebCore/WebCoreView.h>

#import <WebKit/DOM.h>

#import <WebKit/DOMExtensions.h>

#import <WebKit/DOMPrivate.h>

#import <WebKitSystemInterface.h>

#import <mach-o/dyld.h>

#import <objc/objc-runtime.h>

#import <wtf/RefPtr.h>

#import <wtf/HashTraits.h>

using namespace WebCore;

#if defined(__ppc__) || defined(__ppc64__)

#define PROCESSOR "PPC"

#elif defined(__i386__) || defined(__x86_64__)

#define PROCESSOR "Intel"

#else

#error Unknown architecture

#endif

#define FOR_EACH_RESPONDER_SELECTOR(macro) \

macro(alignCenter) \

macro(alignJustified) \

macro(alignLeft) \

macro(alignRight) \

macro(capitalizeWord) \

macro(centerSelectionInVisibleArea) \

macro(changeAttributes) \

macro(changeColor) \

macro(changeDocumentBackgroundColor) \

macro(changeFont) \

macro(checkSpelling) \

macro(complete) \

macro(copy) \

macro(copyFont) \

macro(cut) \

macro(delete) \

macro(deleteBackward) \

macro(deleteBackwardByDecomposingPreviousCharacter) \

macro(deleteForward) \

macro(deleteToBeginningOfLine) \

macro(deleteToBeginningOfParagraph) \

macro(deleteToEndOfLine) \

macro(deleteToEndOfParagraph) \

macro(deleteWordBackward) \

macro(deleteWordForward) \

macro(ignoreSpelling) \

macro(indent) \

macro(insertBacktab) \

macro(insertNewline) \

macro(insertNewlineIgnoringFieldEditor) \

macro(insertParagraphSeparator) \

macro(insertTab) \

macro(insertTabIgnoringFieldEditor) \

macro(lowercaseWord) \

macro(moveBackward) \

macro(moveBackwardAndModifySelection) \

macro(moveDown) \

macro(moveDownAndModifySelection) \

macro(moveForward) \

macro(moveForwardAndModifySelection) \

macro(moveLeft) \

macro(moveLeftAndModifySelection) \

macro(moveRight) \

macro(moveRightAndModifySelection) \

macro(moveToBeginningOfDocument) \

macro(moveToBeginningOfDocumentAndModifySelection) \

macro(moveToBeginningOfSentence) \

macro(moveToBeginningOfSentenceAndModifySelection) \

macro(moveToBeginningOfLine) \

macro(moveToBeginningOfLineAndModifySelection) \

macro(moveToBeginningOfParagraph) \

macro(moveToBeginningOfParagraphAndModifySelection) \

macro(moveToEndOfDocument) \

macro(moveToEndOfDocumentAndModifySelection) \

macro(moveToEndOfLine) \

macro(moveToEndOfLineAndModifySelection) \

macro(moveToEndOfParagraph) \

macro(moveToEndOfParagraphAndModifySelection) \

macro(moveToEndOfSentence) \

macro(moveToEndOfSentenceAndModifySelection) \

macro(moveUp) \

macro(moveUpAndModifySelection) \

macro(moveWordBackward) \

macro(moveWordBackwardAndModifySelection) \

macro(moveWordForward) \

macro(moveWordForwardAndModifySelection) \

macro(moveWordLeft) \

macro(moveWordLeftAndModifySelection) \

macro(moveWordRight) \

macro(moveWordRightAndModifySelection) \

macro(outdent) \

macro(pageDown) \

macro(pageUp) \

macro(paste) \

macro(pasteAsPlainText) \

macro(pasteAsRichText) \

macro(pasteFont) \

macro(performFindPanelAction) \

macro(scrollLineDown) \

macro(scrollLineUp) \

macro(scrollPageDown) \

macro(scrollPageUp) \

macro(scrollToBeginningOfDocument) \

macro(scrollToEndOfDocument) \

macro(selectAll) \

macro(selectWord) \

macro(selectSentence) \

macro(selectLine) \

macro(selectParagraph) \

macro(showGuessPanel) \

macro(startSpeaking) \

macro(stopSpeaking) \

macro(subscript) \

macro(superscript) \

macro(underline) \

macro(unscript) \

macro(uppercaseWord) \

macro(yank) \

macro(yankAndSelect) \

#define WebKitOriginalTopPrintingMarginKey @"WebKitOriginalTopMargin"

#define WebKitOriginalBottomPrintingMarginKey @"WebKitOriginalBottomMargin"

static BOOL s_didSetCacheModel;

static WebCacheModel s_cacheModel = WebCacheModelDocumentViewer;

static BOOL applicationIsTerminating;

static int pluginDatabaseClientCount = 0;

@interface NSSpellChecker (AppKitSecretsIKnow)

- (void)_preflightChosenSpellServer;

@end

@interface NSView (AppKitSecretsIKnow)

- (NSView *)_hitTest:(NSPoint *)aPoint dragTypes:(NSSet *)types;

- (void)_autoscrollForDraggingInfo:(id)dragInfo timeDelta:(NSTimeInterval)repeatDelta;

- (BOOL)_shouldAutoscrollForDraggingInfo:(id)dragInfo;

@end

@interface NSWindow (AppKitSecretsIKnow) 

- (id)_oldFirstResponderBeforeBecoming;

@end

@interface NSObject (ValidateWithoutDelegate)

- (BOOL)validateUserInterfaceItemWithoutDelegate:(id <NSValidatedUserInterfaceItem>)item;

@end

@interface _WebSafeForwarder : NSObject

{

    id target; // Non-retained. Don't retain delegates.

    id defaultTarget;

    BOOL catchExceptions;

}

- (id)initWithTarget:(id)target defaultTarget:(id)defaultTarget catchExceptions:(BOOL)catchExceptions;

@end

@interface WebViewPrivate : NSObject

{

@public

    Page* page;

    id UIDelegate;

    id UIDelegateForwarder;

    id resourceProgressDelegate;

    id downloadDelegate;

    id policyDelegate;

    id policyDelegateForwarder;

    id frameLoadDelegate;

    id frameLoadDelegateForwarder;

    id <WebFormDelegate> formDelegate;

    id editingDelegate;

    id editingDelegateForwarder;

    id scriptDebugDelegate;

    id scriptDebugDelegateForwarder;

    BOOL allowsUndo;

    float textSizeMultiplier;

    NSString *applicationNameForUserAgent;

    String* userAgent;

    BOOL userAgentOverridden;

    WebPreferences *preferences;

    BOOL useSiteSpecificSpoofing;

    NSWindow *hostWindow;

    int programmaticFocusCount;

    WebResourceDelegateImplementationCache resourceLoadDelegateImplementations;

    WebFrameLoadDelegateImplementationCache frameLoadDelegateImplementations;

    void *observationInfo;

    BOOL closed;

    BOOL shouldCloseWithWindow;

    BOOL mainFrameDocumentReady;

    BOOL drawsBackground;

    BOOL editable;

    BOOL tabKeyCyclesThroughElementsChanged;

    BOOL becomingFirstResponder;

    BOOL becomingFirstResponderFromOutside;

    BOOL hoverFeedbackSuspended;

    BOOL usesPageCache;

    BOOL catchesDelegateExceptions;

    NSColor *backgroundColor;

    NSString *mediaStyle;

    BOOL hasSpellCheckerDocumentTag;

    NSInteger spellCheckerDocumentTag;

    BOOL smartInsertDeleteEnabled;

    BOOL dashboardBehaviorAlwaysSendMouseEventsToAllWindows;

    BOOL dashboardBehaviorAlwaysSendActiveNullEventsToPlugIns;

    BOOL dashboardBehaviorAlwaysAcceptsFirstMouse;

    BOOL dashboardBehaviorAllowWheelScrolling;

    // WebKit has both a global plug-in database and a separate, per WebView plug-in database. Dashboard uses the per WebView database.

    WebPluginDatabase *pluginDatabase;

    HashMap<unsigned long, RetainPtr<id> >* identifierMap;

}

@end

@interface WebView (WebFileInternal)

+ (void)_setCacheModel:(WebCacheModel)cacheModel;

+ (WebCacheModel)_cacheModel;

- (WebFrame *)_selectedOrMainFrame;

- (WebFrameBridge *)_bridgeForSelectedOrMainFrame;

- (BOOL)_isLoading;

- (WebFrameView *)_frameViewAtWindowPoint:(NSPoint)point;

- (WebFrame *)_focusedFrame;

+ (void)_preflightSpellChecker;

- (BOOL)_continuousCheckingAllowed;

- (NSResponder *)_responderForResponderOperations;

- (BOOL)_performTextSizingSelector:(SEL)sel withObject:(id)arg onTrackingDocs:(BOOL)doTrackingViews selForNonTrackingDocs:(SEL)testSel newScaleFactor:(float)newScaleFactor;

- (void)_notifyTextSizeMultiplierChanged;

@end

@interface WebView (WebCallDelegateFunctions)

@end

NSString *WebElementDOMNodeKey =            @"WebElementDOMNode";

NSString *WebElementFrameKey =              @"WebElementFrame";

NSString *WebElementImageKey =              @"WebElementImage";

NSString *WebElementImageAltStringKey =     @"WebElementImageAltString";

NSString *WebElementImageRectKey =          @"WebElementImageRect";

NSString *WebElementImageURLKey =           @"WebElementImageURL";

NSString *WebElementIsSelectedKey =         @"WebElementIsSelected";

NSString *WebElementLinkLabelKey =          @"WebElementLinkLabel";

NSString *WebElementLinkTargetFrameKey =    @"WebElementTargetFrame";

NSString *WebElementLinkTitleKey =          @"WebElementLinkTitle";

NSString *WebElementLinkURLKey =            @"WebElementLinkURL";

NSString *WebElementSpellingToolTipKey =    @"WebElementSpellingToolTip";

NSString *WebElementTitleKey =              @"WebElementTitle";

NSString *WebElementLinkIsLiveKey =         @"WebElementLinkIsLive";

NSString *WebElementIsContentEditableKey =  @"WebElementIsContentEditableKey";

NSString *WebViewProgressStartedNotification =          @"WebProgressStartedNotification";

NSString *WebViewProgressEstimateChangedNotification =  @"WebProgressEstimateChangedNotification";

NSString *WebViewProgressFinishedNotification =         @"WebProgressFinishedNotification";

NSString * const WebViewDidBeginEditingNotification =         @"WebViewDidBeginEditingNotification";

NSString * const WebViewDidChangeNotification =               @"WebViewDidChangeNotification";

NSString * const WebViewDidEndEditingNotification =           @"WebViewDidEndEditingNotification";

NSString * const WebViewDidChangeTypingStyleNotification =    @"WebViewDidChangeTypingStyleNotification";

NSString * const WebViewDidChangeSelectionNotification =      @"WebViewDidChangeSelectionNotification";

enum { WebViewVersion = 4 };

#define timedLayoutSize 4096

static NSMutableSet *schemesWithRepresentationsSet;

NSString *_WebCanGoBackKey =            @"canGoBack";

NSString *_WebCanGoForwardKey =         @"canGoForward";

NSString *_WebEstimatedProgressKey =    @"estimatedProgress";

NSString *_WebIsLoadingKey =            @"isLoading";

NSString *_WebMainFrameIconKey =        @"mainFrameIcon";

NSString *_WebMainFrameTitleKey =       @"mainFrameTitle";

NSString *_WebMainFrameURLKey =         @"mainFrameURL";

NSString *_WebMainFrameDocumentKey =    @"mainFrameDocument";

@interface WebProgressItem : NSObject

{

@public

    long long bytesReceived;

    long long estimatedLength;

}

@end

@implementation WebProgressItem

@end

static BOOL continuousSpellCheckingEnabled;

#ifndef BUILDING_ON_TIGER

static BOOL grammarCheckingEnabled;

#endif

@implementation WebViewPrivate

#ifndef BUILDING_ON_TIGER

+ (void)initialize

{

    WebCoreObjCFinalizeOnMainThread(self);

}

#endif

- init 

{

    self = [super init];

    if (!self)

        return nil;

    allowsUndo = YES;

    textSizeMultiplier = 1;

    dashboardBehaviorAllowWheelScrolling = YES;

    shouldCloseWithWindow = objc_collecting_enabled();

    continuousSpellCheckingEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:WebContinuousSpellCheckingEnabled];

#ifndef BUILDING_ON_TIGER

    grammarCheckingEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:WebGrammarCheckingEnabled];

#endif

    userAgent = new String;

    usesPageCache = YES;

    identifierMap = new HashMap<unsigned long, RetainPtr<id> >();

    pluginDatabaseClientCount++;

    return self;

}

- (void)dealloc

{

    ASSERT(!page);

    ASSERT(!preferences);

    delete userAgent;

    delete identifierMap;

    [applicationNameForUserAgent release];

    [backgroundColor release];

    [hostWindow release];

    [policyDelegateForwarder release];

    [UIDelegateForwarder release];

    [frameLoadDelegateForwarder release];

    [editingDelegateForwarder release];

    [scriptDebugDelegateForwarder release];

    [mediaStyle release];

    [super dealloc];

}

- (void)finalize

{

    ASSERT_MAIN_THREAD();

    delete userAgent;

    delete identifierMap;

    [super finalize];

}

@end

@implementation WebView (AllWebViews)

static CFSetCallBacks NonRetainingSetCallbacks = {

    0,

    NULL,

    NULL,

    CFCopyDescription,

    CFEqual,

    CFHash

};

static CFMutableSetRef allWebViewsSet;

+ (void)_makeAllWebViewsPerformSelector:(SEL)selector

{

    if (!allWebViewsSet)

        return;

    [(NSMutableSet *)allWebViewsSet makeObjectsPerformSelector:selector];

}

- (void)_removeFromAllWebViewsSet

{

    if (allWebViewsSet)

        CFSetRemoveValue(allWebViewsSet, self);

}

- (void)_addToAllWebViewsSet

{

    if (!allWebViewsSet)

        allWebViewsSet = CFSetCreateMutable(NULL, 0, &NonRetainingSetCallbacks);

    CFSetSetValue(allWebViewsSet, self);

}

@end