webview.mm

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 * Copyright (C) 2006 David Smith ([e-mail])
 *
 * 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 "WebBackForwardListInternal.h"
#import "WebCache.h"
#import "WebChromeClient.h"
#import "WebContextMenuClient.h"
#import "WebDOMOperationsPrivate.h"
#import "WebDataSourceInternal.h"
#import "WebDatabaseManagerInternal.h"
#import "WebDefaultEditingDelegate.h"
#import "WebDefaultPolicyDelegate.h"
#import "WebDefaultUIDelegate.h"
#import "WebDocument.h"
#import "WebDocumentInternal.h"
#import "WebDownload.h"
#import "WebDownloadInternal.h"
#import "WebDragClient.h"
#import "WebDynamicScrollBarsViewInternal.h"
#import "WebEditingDelegate.h"
#import "WebEditorClient.h"
#import "WebFormDelegatePrivate.h"
#import "WebFrameInternal.h"
#import "WebFrameViewInternal.h"
#import "WebHTMLRepresentation.h"
#import "WebHTMLViewInternal.h"
#import "WebHistoryItemInternal.h"
#import "WebIconDatabaseInternal.h"
#import "WebInspector.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 "WebNodeHighlight.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 "WebPDFView.h"
#import "WebPanelAuthenticationHandler.h"
#import "WebPasteboardHelper.h"
#import "WebPluginDatabase.h"
#import "WebPolicyDelegate.h"
#import "WebPreferenceKeysPrivate.h"
#import "WebPreferencesPrivate.h"
#import "WebScriptDebugDelegate.h"
#import "WebTextIterator.h"
#import "WebUIDelegate.h"
#import "WebUIDelegatePrivate.h"
#import <CoreFoundation/CFSet.h>
#import <Foundation/NSURLConnection.h>
#import <WebCore/ApplicationCacheStorage.h>
#import <WebCore/Cache.h>
#import <WebCore/ColorMac.h>
#import <WebCore/Cursor.h>
#import <WebCore/Document.h>
#import <WebCore/DocumentLoader.h>
#import <WebCore/DragController.h>
#import <WebCore/DragData.h>
#import <WebCore/Editor.h>
#import <WebCore/EventHandler.h>
#import <WebCore/ExceptionHandlers.h>
#import <WebCore/FocusController.h>
#import <WebCore/Frame.h>
#import <WebCore/FrameLoader.h>
#import <WebCore/FrameView.h>
#import <WebCore/FrameTree.h>
#import <WebCore/GCController.h>
#import <WebCore/HTMLNames.h>
#import <WebCore/HistoryItem.h>
#import <WebCore/IconDatabase.h>
#import <WebCore/Logging.h>
#import <WebCore/MIMETypeRegistry.h>
#import <WebCore/Page.h>
#import <WebCore/PageCache.h>
#import <WebCore/PageGroup.h>
#import <WebCore/PlatformMouseEvent.h>
#import <WebCore/ProgressTracker.h>
#import <WebCore/ScriptController.h>
#import <WebCore/ScriptValue.h>
#import <WebCore/SelectionController.h>
#import <WebCore/Settings.h>
#import <WebCore/TextResourceDecoder.h>
#import <WebCore/ThreadCheck.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 <runtime/ArrayPrototype.h>
#import <runtime/DateInstance.h>
#import <runtime/InitializeThreading.h>
#import <runtime/JSLock.h>
#import <runtime/JSValue.h>
#import <mach-o/dyld.h>
#import <objc/objc-auto.h>
#import <objc/objc-runtime.h>
#import <runtime/InitializeThreading.h>
#import <wtf/Assertions.h>
#import <wtf/HashTraits.h>
#import <wtf/RefCountedLeakCounter.h>
#import <wtf/RefPtr.h>
#import <wtf/StdLibExtras.h>

#if ENABLE(DASHBOARD_SUPPORT)
#import <WebKit/WebDashboardRegion.h>
#endif

using namespace WebCore;
using namespace JSC;

#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(changeBaseWritingDirection) \
macro(changeBaseWritingDirectionToLTR) \
macro(changeBaseWritingDirectionToRTL) \
macro(changeColor) \
macro(changeDocumentBackgroundColor) \
macro(changeFont) \
macro(changeSpelling) \
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(deleteToMark) \
macro(deleteWordBackward) \
macro(deleteWordForward) \
macro(ignoreSpelling) \
macro(indent) \
macro(insertBacktab) \
macro(insertLineBreak) \
macro(insertNewline) \
macro(insertNewlineIgnoringFieldEditor) \
macro(insertParagraphSeparator) \
macro(insertTab) \
macro(insertTabIgnoringFieldEditor) \
macro(lowercaseWord) \
macro(makeBaseWritingDirectionLeftToRight) \
macro(makeBaseWritingDirectionRightToLeft) \
macro(makeTextWritingDirectionLeftToRight) \
macro(makeTextWritingDirectionNatural) \
macro(makeTextWritingDirectionRightToLeft) \
macro(moveBackward) \
macro(moveBackwardAndModifySelection) \
macro(moveDown) \
macro(moveDownAndModifySelection) \
macro(moveForward) \
macro(moveForwardAndModifySelection) \
macro(moveLeft) \
macro(moveLeftAndModifySelection) \
macro(moveParagraphBackwardAndModifySelection) \
macro(moveParagraphForwardAndModifySelection) \
macro(moveRight) \
macro(moveRightAndModifySelection) \
macro(moveToBeginningOfDocument) \
macro(moveToBeginningOfDocumentAndModifySelection) \
macro(moveToBeginningOfLine) \
macro(moveToBeginningOfLineAndModifySelection) \
macro(moveToBeginningOfParagraph) \
macro(moveToBeginningOfParagraphAndModifySelection) \
macro(moveToBeginningOfSentence) \
macro(moveToBeginningOfSentenceAndModifySelection) \
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(pageDownAndModifySelection) \
macro(pageUp) \
macro(pageUpAndModifySelection) \
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(selectLine) \
macro(selectParagraph) \
macro(selectSentence) \
macro(selectToMark) \
macro(selectWord) \
macro(setMark) \
macro(showGuessPanel) \
macro(startSpeaking) \
macro(stopSpeaking) \
macro(subscript) \
macro(superscript) \
macro(swapWithMark) \
macro(takeFindStringFromSelection) \
macro(toggleBaseWritingDirection) \
macro(transpose) \
macro(underline) \
macro(unscript) \
macro(uppercaseWord) \
macro(yank) \
macro(yankAndSelect) \

#define WebKitOriginalTopPrintingMarginKey @"WebKitOriginalTopMargin"
#define WebKitOriginalBottomPrintingMarginKey @"WebKitOriginalBottomMargin"

#define KeyboardUIModeDidChangeNotification @"com.apple.KeyboardUIModeDidChange"
#define AppleKeyboardUIMode CFSTR("AppleKeyboardUIMode")
#define UniversalAccessDomain CFSTR("com.apple.universalaccess")

#if USE(ACCELERATED_COMPOSITING)
#define UsingAcceleratedCompositingProperty @"_isUsingAcceleratedCompositing"
#endif            


static BOOL s_didSetCacheModel;
static WebCacheModel s_cacheModel = WebCacheModelDocumentViewer;

static BOOL applicationIsTerminating;
static int pluginDatabaseClientCount = 0;

#ifndef NDEBUG
static const char webViewIsOpen[] = "At least one WebView is still open.";
#endif

@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;

    WebInspector *inspector;