/*
* Copyright (C) 2005, 2006, 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 "WebFrameInternal.h"
#import "DOMCSSStyleDeclarationInternal.h"
#import "DOMDocumentFragmentInternal.h"
#import "DOMDocumentInternal.h"
#import "DOMElementInternal.h"
#import "DOMHTMLElementInternal.h"
#import "DOMNodeInternal.h"
#import "DOMRangeInternal.h"
#import "WebArchiveInternal.h"
#import "WebChromeClient.h"
#import "WebDataSourceInternal.h"
#import "WebDocumentLoaderMac.h"
#import "WebDynamicScrollBarsView.h"
#import "WebFrameLoaderClient.h"
#import "WebFrameViewInternal.h"
#import "WebHTMLView.h"
#import "WebHTMLViewInternal.h"
#import "WebIconFetcherInternal.h"
#import "WebKitStatisticsPrivate.h"
#import "WebKitVersionChecks.h"
#import "WebNSObjectExtras.h"
#import "WebNSURLExtras.h"
#import "WebScriptDebugger.h"
#import "WebScriptWorldInternal.h"
#import "WebViewInternal.h"
#import <JavaScriptCore/APICast.h>
#import <WebCore/AXObjectCache.h>
#import <WebCore/AccessibilityObject.h>
#import <WebCore/AnimationController.h>
#import <WebCore/CSSMutableStyleDeclaration.h>
#import <WebCore/Chrome.h>
#import <WebCore/ColorMac.h>
#import <WebCore/DOMImplementation.h>
#import <WebCore/DocLoader.h>
#import <WebCore/DocumentFragment.h>
#import <WebCore/EventHandler.h>
#import <WebCore/EventNames.h>
#import <WebCore/Frame.h>
#import <WebCore/FrameLoader.h>
#import <WebCore/FrameTree.h>
#import <WebCore/GraphicsContext.h>
#import <WebCore/HTMLFrameOwnerElement.h>
#import <WebCore/HistoryItem.h>
#import <WebCore/HitTestResult.h>
#import <WebCore/LegacyWebArchive.h>
#import <WebCore/Page.h>
#import <WebCore/PluginData.h>
#import <WebCore/PrintContext.h>
#import <WebCore/RenderLayer.h>
#import <WebCore/RenderPart.h>
#import <WebCore/RenderView.h>
#import <WebCore/ReplaceSelectionCommand.h>
#import <WebCore/RuntimeApplicationChecks.h>
#import <WebCore/ScriptValue.h>
#import <WebCore/SmartReplace.h>
#import <WebCore/SVGSMILElement.h>
#import <WebCore/TextIterator.h>
#import <WebCore/ThreadCheck.h>
#import <WebCore/TypingCommand.h>
#import <WebCore/htmlediting.h>
#import <WebCore/markup.h>
#import <WebCore/visible_units.h>
#import <WebKitSystemInterface.h>
#import <runtime/JSLock.h>
#import <runtime/JSObject.h>
#import <runtime/JSValue.h>
#import <wtf/CurrentTime.h>
using namespace std;
using namespace WebCore;
using namespace HTMLNames;
using JSC::JSGlobalObject;
using JSC::JSLock;
using JSC::JSValue;
using JSC::SilenceAssertionsOnly;
/*
Here is the current behavior matrix for four types of navigations:
Standard Nav:
Restore form state: YES
Restore scroll and focus state: YES
Cache policy: NSURLRequestUseProtocolCachePolicy
Add to back/forward list: YES
Back/Forward:
Restore form state: YES
Restore scroll and focus state: YES
Cache policy: NSURLRequestReturnCacheDataElseLoad
Add to back/forward list: NO
Reload (meaning only the reload button):
Restore form state: NO
Restore scroll and focus state: YES
Cache policy: NSURLRequestReloadIgnoringCacheData
Add to back/forward list: NO
Repeat load of the same URL (by any other means of navigation other than the reload button, including hitting return in the location field):
Restore form state: NO
Restore scroll and focus state: NO, reset to initial conditions
Cache policy: NSURLRequestReloadIgnoringCacheData
Add to back/forward list: NO
*/
NSString *WebPageCacheEntryDateKey = @"WebPageCacheEntryDateKey";
NSString *WebPageCacheDataSourceKey = @"WebPageCacheDataSourceKey";
NSString *WebPageCacheDocumentViewKey = @"WebPageCacheDocumentViewKey";
NSString *WebFrameMainDocumentError = @"WebFrameMainDocumentErrorKey";
NSString *WebFrameHasPlugins = @"WebFrameHasPluginsKey";
NSString *WebFrameHasUnloadListener = @"WebFrameHasUnloadListenerKey";
NSString *WebFrameUsesDatabases = @"WebFrameUsesDatabasesKey";
NSString *WebFrameUsesGeolocation = @"WebFrameUsesGeolocationKey";
NSString *WebFrameUsesApplicationCache = @"WebFrameUsesApplicationCacheKey";
NSString *WebFrameCanSuspendActiveDOMObjects = @"WebFrameCanSuspendActiveDOMObjectsKey";
// FIXME: Remove when this key becomes publicly defined
NSString *NSAccessibilityEnhancedUserInterfaceAttribute = @"AXEnhancedUserInterface";
@implementation WebFramePrivate
- (void)dealloc
{
[webFrameView release];
delete scriptDebugger;
[super dealloc];
}
- (void)finalize
{
delete scriptDebugger;
[super finalize];
}
- (void)setWebFrameView:(WebFrameView *)v
{
[v retain];
[webFrameView release];
webFrameView = v;
}
@end
EditableLinkBehavior core(WebKitEditableLinkBehavior editableLinkBehavior)
{
switch (editableLinkBehavior) {
case WebKitEditableLinkDefaultBehavior:
return EditableLinkDefaultBehavior;
case WebKitEditableLinkAlwaysLive:
return EditableLinkAlwaysLive;
case WebKitEditableLinkOnlyLiveWithShiftKey:
return EditableLinkOnlyLiveWithShiftKey;
case WebKitEditableLinkLiveWhenNotFocused:
return EditableLinkLiveWhenNotFocused;
case WebKitEditableLinkNeverLive:
return EditableLinkNeverLive;
}
ASSERT_NOT_REACHED();
return EditableLinkDefaultBehavior;
}
TextDirectionSubmenuInclusionBehavior core(WebTextDirectionSubmenuInclusionBehavior behavior)
{
switch (behavior) {
case WebTextDirectionSubmenuNeverIncluded:
return TextDirectionSubmenuNeverIncluded;
case WebTextDirectionSubmenuAutomaticallyIncluded:
return TextDirectionSubmenuAutomaticallyIncluded;
case WebTextDirectionSubmenuAlwaysIncluded:
return TextDirectionSubmenuAlwaysIncluded;
}
ASSERT_NOT_REACHED();
return TextDirectionSubmenuNeverIncluded;
}
@implementation WebFrame (WebInternal)
Frame* core(WebFrame *frame)
{
return frame ? frame->_private->coreFrame : 0;
}
WebFrame *kit(Frame* frame)
{
return frame ? static_cast<WebFrameLoaderClient*>(frame->loader()->client())->webFrame() : nil;
}
Page* core(WebView *webView)
{
return [webView page];
}
WebView *kit(Page* page)
{
return page ? static_cast<WebChromeClient*>(page->chrome()->client())->webView() : nil;
}
WebView *getWebView(WebFrame *webFrame)
{
Frame* coreFrame = core(webFrame);
if (!coreFrame)
return nil;
return kit(coreFrame->page());
}
+ (PassRefPtr<Frame>)_createFrameWithPage:(Page*)page frameName:(const String&)name frameView:(WebFrameView *)frameView ownerElement:(HTMLFrameOwnerElement*)ownerElement
{
WebView *webView = kit(page);
WebFrame *frame = [[self alloc] _initWithWebFrameView:frameView webView:webView];
RefPtr<Frame> coreFrame = Frame::create(page, ownerElement, new WebFrameLoaderClient(frame));
[frame release];
frame->_private->coreFrame = coreFrame.get();
coreFrame->tree()->setName(name);
if (ownerElement) {
ASSERT(ownerElement->document()->frame());
ownerElement->document()->frame()->tree()->appendChild(coreFrame.get());
}
coreFrame->init();
[webView _setZoomMultiplier:[webView _realZoomMultiplier] isTextOnly:[webView _realZoomMultiplierIsTextOnly]];
return coreFrame.release();
}
+ (void)_createMainFrameWithPage:(Page*)page frameName:(const String&)name frameView:(WebFrameView *)frameView
{
[self _createFrameWithPage:page frameName:name frameView:frameView ownerElement:0];
}
+ (PassRefPtr<WebCore::Frame>)_createSubframeWithOwnerElement:(HTMLFrameOwnerElement*)ownerElement frameName:(const String&)name frameView:(WebFrameView *)frameView
{
return [self _createFrameWithPage:ownerElement->document()->frame()->page() frameName:name frameView:frameView ownerElement:ownerElement];
}
- (BOOL)_isIncludedInWebKitStatistics
{
return _private && _private->includedInWebKitStatistics;
}
- (void)_attachScriptDebugger
{
ScriptController* scriptController = _private->coreFrame->script();
// Calling ScriptController::globalObject() would create a window shell, and dispatch corresponding callbacks, which may be premature
// if the script debugger is attached before a document is created. These calls use the debuggerWorld(), we will need to pass a world
// to be able to debug isolated worlds.
if (!scriptController->existingWindowShell(debuggerWorld()))
return;
JSGlobalObject* globalObject = scriptController->globalObject(debuggerWorld());
if (!globalObject)
return;
if (_private->scriptDebugger) {
ASSERT(_private->scriptDebugger == globalObject->debugger());
return;
}
_private->scriptDebugger = new WebScriptDebugger(globalObject);
}
- (void)_detachScriptDebugger
{
if (!_private->scriptDebugger)
return;
delete _private->scriptDebugger;
_private->scriptDebugger = 0;
}
- (id)_initWithWebFrameView:(WebFrameView *)fv webView:(WebView *)v
{
self = [super init];
if (!self)
return nil;
_private = [[WebFramePrivate alloc] init];
// Set includedInWebKitStatistics before calling WebFrameView _setWebFrame, since
// it calls WebFrame _isIncludedInWebKitStatistics.
if ((_private->includedInWebKitStatistics = [[v class] shouldIncludeInWebKitStatistics]))
++WebFrameCount;
if (fv) {
[_private setWebFrameView:fv];
[fv _setWebFrame:self];
}
_private->shouldCreateRenderers = YES;
return self;
}
- (void)_clearCoreFrame
{
_private->coreFrame = 0;
}
- (void)_updateBackgroundAndUpdatesWhileOffscreen
{
WebView *webView = getWebView(self);
BOOL drawsBackground = [webView drawsBackground];
NSColor *backgroundColor = [webView backgroundColor];
Frame* coreFrame = _private->coreFrame;
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame)) {
if ([webView _usesDocumentViews]) {
// Don't call setDrawsBackground:YES here because it may be NO because of a load
// in progress; WebFrameLoaderClient keeps it set to NO during the load process.
WebFrame *webFrame = kit(frame);
if (!drawsBackground)
[[[webFrame frameView] _scrollView] setDrawsBackground:NO];
[[[webFrame frameView] _scrollView] setBackgroundColor:backgroundColor];
id documentView = [[webFrame frameView] documentView];
if ([documentView respondsToSelector:@selector(setDrawsBackground:)])
[documentView setDrawsBackground:drawsBackground];
if ([documentView respondsToSelector:@selector(setBackgroundColor:)])
[documentView setBackgroundColor:backgroundColor];
}
if (FrameView* view = frame->view()) {
view->setTransparent(!drawsBackground);
view->setBaseBackgroundColor(colorFromNSColor([backgroundColor colorUsingColorSpaceName:NSDeviceRGBColorSpace]));
view->setShouldUpdateWhileOffscreen([webView shouldUpdateWhileOffscreen]);
}
}
}
- (void)_setInternalLoadDelegate:(id)internalLoadDelegate
{
_private->internalLoadDelegate = internalLoadDelegate;
}
- (id)_internalLoadDelegate
{
return _private->internalLoadDelegate;
}
#ifndef BUILDING_ON_TIGER
- (void)_unmarkAllBadGrammar
{
Frame* coreFrame = _private->coreFrame;
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame)) {
if (Document* document = frame->document())
document->removeMarkers(DocumentMarker::Grammar);
}
}
#endif
- (void)_unmarkAllMisspellings
{
Frame* coreFrame = _private->coreFrame;
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame)) {
if (Document* document = frame->document())
document->removeMarkers(DocumentMarker::Spelling);
}
}
- (BOOL)_hasSelection
{
if ([getWebView(self) _usesDocumentViews]) {
id documentView = [_private->webFrameView documentView];
// optimization for common case to avoid creating potentially large selection string
if ([documentView isKindOfClass:[WebHTMLView class]])
if (Frame* coreFrame = _private->coreFrame)
return coreFrame->selection()->isRange();
if ([documentView conformsToProtocol:@protocol(WebDocumentText)])
return [[documentView selectedString] length] > 0;
return NO;
}
Frame* coreFrame = _private->coreFrame;
return coreFrame && coreFrame->selection()->isRange();
}
- (void)_clearSelection
{
ASSERT([getWebView(self) _usesDocumentViews]);
id documentView = [_private->webFrameView documentView];
if ([documentView conformsToProtocol:@protocol(WebDocumentText)])
[documentView deselectAll];
}
#if !ASSERT_DISABLED
- (BOOL)_atMostOneFrameHasSelection
{
// FIXME: 4186050 is one known case that makes this debug check fail.
BOOL found = NO;
Frame* coreFrame = _private->coreFrame;
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame))
if ([kit(frame) _hasSelection]) {
if (found)
return NO;
found = YES;
}
return YES;
}
#endif
- (WebFrame *)_findFrameWithSelection
{
Frame* coreFrame = _private->coreFrame;
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame)) {
WebFrame *webFrame = kit(frame);
if ([webFrame _hasSelection])
return webFrame;
}
return nil;
}
- (void)_clearSelectionInOtherFrames
{
// We rely on WebDocumentSelection protocol implementors to call this method when they become first
// responder. It would be nicer to just notice first responder changes here instead, but there's no
// notification sent when the first responder changes in general (Radar 2573089).
WebFrame *frameWithSelection = [[getWebView(self) mainFrame] _findFrameWithSelection];
if (frameWithSelection != self)
[frameWithSelection _clearSelection];
// While we're in the general area of selection and frames, check that there is only one now.
ASSERT([[getWebView(self) mainFrame] _atMostOneFrameHasSelection]);
}
static inline WebDataSource *dataSource(DocumentLoader* loader)
{
return loader ? static_cast<WebDocumentLoaderMac*>(loader)->dataSource() : nil;
}
- (WebDataSource *)_dataSource
{
return dataSource(_private->coreFrame->loader()->documentLoader());
}
- (void)_addData:(NSData *)data
{
Document* document = _private->coreFrame->document();
// Document may be nil if the part is about to redirect
// as a result of JS executing during load, i.e. one frame
// changing another's location before the frame's document
// has been created.
if (!document)
return;
document->setShouldCreateRenderers(_private->shouldCreateRenderers);
_private->coreFrame->loader()->addData((const char *)[data bytes], [data length]);
}
- (NSString *)_stringWithDocumentTypeStringAndMarkupString:(NSString *)markupString
{
return _private->coreFrame->documentTypeString() + markupString;
}
- (NSArray *)_nodesFromList:(Vector<Node*> *)nodesVector
{
size_t size = nodesVector->size();
NSMutableArray *nodes = [NSMutableArray arrayWithCapacity:size];
for (size_t i = 0; i < size; ++i)
[nodes addObject:kit((*nodesVector)[i])];
return nodes;
}
- (NSString *)_markupStringFromRange:(DOMRange *)range nodes:(NSArray **)nodes
{
// FIXME: This is always "for interchange". Is that right? See the previous method.
Vector<Node*> nodeList;
NSString *markupString = createMarkup(core(range), nodes ? &nodeList : 0, AnnotateForInterchange);
if (nodes)
*nodes = [self _nodesFromList:&nodeList];
return [self _stringWithDocumentTypeStringAndMarkupString:markupString];
}
- (NSString *)_selectedString
{
return _private->coreFrame->displayStringModifiedByEncoding(_private->coreFrame->selectedText());
}
- (NSString *)_stringForRange:(DOMRange *)range
{
// This will give a system malloc'd buffer that can be turned directly into an NSString
unsigned length;
UChar* buf = plainTextToMallocAllocatedBuffer(core(range), length, true);
if (!buf)
return [NSString string];
// Transfer buffer ownership to NSString
return [[[NSString alloc] initWithCharactersNoCopy:buf length:length freeWhenDone:YES] autorelease];
}
- (void)_drawRect:(NSRect)rect contentsOnly:(BOOL)contentsOnly
{
ASSERT([[NSGraphicsContext currentContext] isFlipped]);
CGContextRef ctx = static_cast<CGContextRef>([[NSGraphicsContext currentContext] graphicsPort]);
GraphicsContext context(ctx);
FrameView* view = _private->coreFrame->view();
bool shouldFlatten = WKCGContextIsBitmapContext(ctx) && [getWebView(self) _includesFlattenedCompositingLayersWhenDrawingToBitmap];
PaintBehavior oldBehavior = PaintBehaviorNormal;
if (shouldFlatten) {
oldBehavior = view->paintBehavior();
view->setPaintBehavior(oldBehavior | PaintBehaviorFlattenCompositingLayers);
}
if (contentsOnly)
_private->coreFrame->view()->paintContents(&context, enclosingIntRect(rect));
else
_private->coreFrame->view()->paint(&context, enclosingIntRect(rect));
if (shouldFlatten)
view->setPaintBehavior(oldBehavior);
}
// Used by pagination code called from AppKit when a standalone web page is printed.
- (NSArray*)_computePageRectsWithPrintWidthScaleFactor:(float)printWidthScaleFactor printHeight:(float)printHeight
{
NSMutableArray* pages = [NSMutableArray arrayWithCapacity:5];
if (printWidthScaleFactor <= 0) {
LOG_ERROR("printWidthScaleFactor has bad value %.2f", printWidthScaleFactor);
return pages;
}
if (printHeight <= 0) {
LOG_ERROR("printHeight has bad value %.2f", printHeight);
return pages;
}
if (!_private->coreFrame || !_private->coreFrame->document() || !_private->coreFrame->view()) return pages;
RenderView* root = toRenderView(_private->coreFrame->document()->renderer());
if (!root) return pages;
FrameView* view = _private->coreFrame->view();
if (!view)
return pages;
NSView* documentView = view->documentView();
if (!documentView)
return pages;
float docWidth = root->layer()->width();
float printWidth = docWidth / printWidthScaleFactor;
PrintContext printContext(_private->coreFrame);
printContext.computePageRectsWithPageSize(FloatSize(printWidth, printHeight), true);
const Vector<IntRect>& pageRects = printContext.pageRects();
const size_t pageCount = pageRects.size();
for (size_t pageNumber = 0; pageNumber < pageCount; ++pageNumber)
[pages addObject: [NSValue valueWithRect: NSRect(pageRects[pageNumber])]];
return pages;
}
- (BOOL)_getVisibleRect:(NSRect*)rect
{
ASSERT_ARG(rect, rect);
if (RenderPart* ownerRenderer = _private->coreFrame->ownerRenderer()) {
if (ownerRenderer->needsLayout())
return NO;
*rect = ownerRenderer->absoluteClippedOverflowRect();
return YES;
}
return NO;
}
- (NSString *)_stringByEvaluatingJavaScriptFromString:(NSString *)string
{
return [self _stringByEvaluatingJavaScriptFromString:string forceUserGesture:true];
}
- (NSString *)_stringByEvaluatingJavaScriptFromString:(NSString *)string forceUserGesture:(BOOL)forceUserGesture
{
ASSERT(_private->coreFrame->document());
JSValue result = _private->coreFrame->script()->executeScript(string, forceUserGesture).jsValue();
if (!_private->coreFrame) // In case the script removed our frame from the page.
return @"";
// This bizarre set of rules matches behavior from WebKit for Safari 2.0.
// If you don't like it, use -[WebScriptObject evaluateWebScript:] or
// JSEvaluateScript instead, since they have less surprising semantics.
if (!result || !result.isBoolean() && !result.isString() && !result.isNumber())
return @"";
JSLock lock(SilenceAssertionsOnly);
return ustringToString(result.toString(_private->coreFrame->script()->globalObject(mainThreadNormalWorld())->globalExec()));
}
- (NSRect)_caretRectAtNode:(DOMNode *)node offset:(int)offset affinity:(NSSelectionAffinity)affinity
{
VisiblePosition visiblePosition(core(node), offset, static_cast<EAffinity>(affinity));
return visiblePosition.absoluteCaretBounds();
}
- (NSRect)_firstRectForDOMRange:(DOMRange *)range
{
return _private->coreFrame->firstRectForRange(core(range));
}
- (void)_scrollDOMRangeToVisible:(DOMRange *)range
{
NSRect rangeRect = [self _firstRectForDOMRange:range];
Node *startNode = core([range startContainer]);
if (startNode && startNode->renderer()) {
RenderLayer *layer = startNode->renderer()->enclosingLayer();
if (layer)
layer->scrollRectToVisible(enclosingIntRect(rangeRect), false, ScrollAlignment::alignToEdgeIfNeeded, ScrollAlignment::alignToEdgeIfNeeded);
}
}
- (BOOL)_needsLayout
{
return _private->coreFrame->view() ? _private->coreFrame->view()->needsLayout() : false;
}
- (id)_accessibilityTree
{
#if HAVE(ACCESSIBILITY)
if (!AXObjectCache::accessibilityEnabled()) {
AXObjectCache::enableAccessibility();
if ([[NSApp accessibilityAttributeValue:NSAccessibilityEnhancedUserInterfaceAttribute] boolValue])
AXObjectCache::enableEnhancedUserInterfaceAccessibility();
}
if (!_private->coreFrame || !_private->coreFrame->document())
return nil;
RenderView* root = toRenderView(_private->coreFrame->document()->renderer());
if (!root)
return nil;
return _private->coreFrame->document()->axObjectCache()->getOrCreate(root)->wrapper();
#else
return nil;
#endif
}
- (DOMRange *)_rangeByAlteringCurrentSelection:(SelectionController::EAlteration)alteration direction:(SelectionController::EDirection)direction granularity:(TextGranularity)granularity
{
if (_private->coreFrame->selection()->isNone())
return nil;
SelectionController selection;
selection.setSelection(_private->coreFrame->selection()->selection());
selection.modify(alteration, direction, granularity);
return kit(selection.toNormalizedRange().get());
}
- (TextGranularity)_selectionGranularity
{
return _private->coreFrame->selectionGranularity();
}
- (NSRange)_convertToNSRange:(Range *)range
{
if (!range || !range->startContainer())
return NSMakeRange(NSNotFound, 0);
Element* selectionRoot = _private->coreFrame->selection()->rootEditableElement();
Element* scope = selectionRoot ? selectionRoot : _private->coreFrame->document()->documentElement();
// Mouse events may cause TSM to attempt to create an NSRange for a portion of the view
// that is not inside the current editable region. These checks ensure we don't produce
// potentially invalid data when responding to such requests.
if (range->startContainer() != scope && !range->startContainer()->isDescendantOf(scope))
return NSMakeRange(NSNotFound, 0);
if (range->endContainer() != scope && !range->endContainer()->isDescendantOf(scope))
return NSMakeRange(NSNotFound, 0);
RefPtr<Range> testRange = Range::create(scope->document(), scope, 0, range->startContainer(), range->startOffset());
ASSERT(testRange->startContainer() == scope);
int startPosition = TextIterator::rangeLength(testRange.get());
ExceptionCode ec;
testRange->setEnd(range->endContainer(), range->endOffset(), ec);
ASSERT(testRange->startContainer() == scope);
int endPosition = TextIterator::rangeLength(testRange.get());
return NSMakeRange(startPosition, endPosition - startPosition);
}
- (PassRefPtr<Range>)_convertToDOMRange:(NSRange)nsrange
{
if (nsrange.location > INT_MAX)
return 0;
if (nsrange.length > INT_MAX || nsrange.location + nsrange.length > INT_MAX)
nsrange.length = INT_MAX - nsrange.location;
// our critical assumption is that we are only called by input methods that
// concentrate on a given area containing the selection
// We have to do this because of text fields and textareas. The DOM for those is not
// directly in the document DOM, so serialization is problematic. Our solution is
// to use the root editable element of the selection start as the positional base.
// That fits with AppKit's idea of an input context.
Element* selectionRoot = _private->coreFrame->selection()->rootEditableElement();
Element* scope = selectionRoot ? selectionRoot : _private->coreFrame->document()->documentElement();
return TextIterator::rangeFromLocationAndLength(scope, nsrange.location, nsrange.length);
}
- (DOMRange *)convertNSRangeToDOMRange:(NSRange)nsrange
{
// This method exists to maintain compatibility with Leopard's Dictionary.app. <rdar://problem/6002160>
return [self _convertNSRangeToDOMRange:nsrange];
}
- (DOMRange *)_convertNSRangeToDOMRange:(NSRange)nsrange
{
return kit([self _convertToDOMRange:nsrange].get());
}
- (NSRange)convertDOMRangeToNSRange:(DOMRange *)range
{
// This method exists to maintain compatibility with Leopard's Dictionary.app. <rdar://problem/6002160>
return [self _convertDOMRangeToNSRange:range];
}
- (NSRange)_convertDOMRangeToNSRange:(DOMRange *)range
{
return [self _convertToNSRange:core(range)];
}
- (DOMRange *)_markDOMRange
{
return kit(_private->coreFrame->mark().toNormalizedRange().get());
}
// Given proposedRange, returns an extended range that includes adjacent whitespace that should
// be deleted along with the proposed range in order to preserve proper spacing and punctuation of
// the text surrounding the deletion.
- (DOMRange *)_smartDeleteRangeForProposedRange:(DOMRange *)proposedRange
{
Node* startContainer = core([proposedRange startContainer]);
Node* endContainer = core([proposedRange endContainer]);
if (startContainer == nil || endContainer == nil)
return nil;
ASSERT(startContainer->document() == endContainer->document());
_private->coreFrame->document()->updateLayoutIgnorePendingStylesheets();
Position start(startContainer, [proposedRange startOffset]);
Position end(endContainer, [proposedRange endOffset]);
Position newStart = start.upstream().leadingWhitespacePosition(DOWNSTREAM, true);
if (newStart.isNull())
newStart = start;
Position newEnd = end.downstream().trailingWhitespacePosition(DOWNSTREAM, true);
if (newEnd.isNull())
newEnd = end;
newStart = rangeCompliantEquivalent(newStart);
newEnd = rangeCompliantEquivalent(newEnd);
RefPtr<Range> range = _private->coreFrame->document()->createRange();
int exception = 0;
range->setStart(newStart.node(), newStart.deprecatedEditingOffset(), exception);
range->setEnd(newStart.node(), newStart.deprecatedEditingOffset(), exception);
return kit(range.get());
}
// Determines whether whitespace needs to be added around aString to preserve proper spacing and
// punctuation when it’s inserted into the receiver’s text over charRange. Returns by reference
// in beforeString and afterString any whitespace that should be added, unless either or both are
// nil. Both are returned as nil if aString is nil or if smart insertion and deletion are disabled.
- (void)_smartInsertForString:(NSString *)pasteString replacingRange:(DOMRange *)rangeToReplace beforeString:(NSString **)beforeString afterString:(NSString **)afterString
{
// give back nil pointers in case of early returns
if (beforeString)
*beforeString = nil;
if (afterString)
*afterString = nil;
// inspect destination
Node *startContainer = core([rangeToReplace startContainer]);
Node *endContainer = core([rangeToReplace endContainer]);
Position startPos(startContainer, [rangeToReplace startOffset]);
Position endPos(endContainer, [rangeToReplace endOffset]);
VisiblePosition startVisiblePos = VisiblePosition(startPos, VP_DEFAULT_AFFINITY);
VisiblePosition endVisiblePos = VisiblePosition(endPos, VP_DEFAULT_AFFINITY);
// this check also ensures startContainer, startPos, endContainer, and endPos are non-null
if (startVisiblePos.isNull() || endVisiblePos.isNull())
return;
bool addLeadingSpace = startPos.leadingWhitespacePosition(VP_DEFAULT_AFFINITY, true).isNull() && !isStartOfParagraph(startVisiblePos);
if (addLeadingSpace)
if (UChar previousChar = startVisiblePos.previous().characterAfter())
addLeadingSpace = !isCharacterSmartReplaceExempt(previousChar, true);
bool addTrailingSpace = endPos.trailingWhitespacePosition(VP_DEFAULT_AFFINITY, true).isNull() && !isEndOfParagraph(endVisiblePos);
if (addTrailingSpace)
if (UChar thisChar = endVisiblePos.characterAfter())
addTrailingSpace = !isCharacterSmartReplaceExempt(thisChar, false);
// inspect source
bool hasWhitespaceAtStart = false;
bool hasWhitespaceAtEnd = false;
unsigned pasteLength = [pasteString length];
if (pasteLength > 0) {
NSCharacterSet *whiteSet = [NSCharacterSet whitespaceAndNewlineCharacterSet];
if ([whiteSet characterIsMember:[pasteString characterAtIndex:0]]) {
hasWhitespaceAtStart = YES;
}
if ([whiteSet characterIsMember:[pasteString characterAtIndex:(pasteLength - 1)]]) {
hasWhitespaceAtEnd = YES;
}
}
// issue the verdict
if (beforeString && addLeadingSpace && !hasWhitespaceAtStart)
*beforeString = @" ";
if (afterString && addTrailingSpace && !hasWhitespaceAtEnd)
*afterString = @" ";
}
- (DOMDocumentFragment *)_documentFragmentWithMarkupString:(NSString *)markupString baseURLString:(NSString *)baseURLString
{
if (!_private->coreFrame || !_private->coreFrame->document())
return nil;
return kit(createFragmentFromMarkup(_private->coreFrame->document(), markupString, baseURLString, FragmentScriptingNotAllowed).get());
}
- (DOMDocumentFragment *)_documentFragmentWithNodesAsParagraphs:(NSArray *)nodes
{
if (!_private->coreFrame || !_private->coreFrame->document())
return nil;
NSEnumerator *nodeEnum = [nodes objectEnumerator];
Vector<Node*> nodesVector;
DOMNode *node;
while ((node = [nodeEnum nextObject]))
nodesVector.append(core(node));
return kit(createFragmentFromNodes(_private->coreFrame->document(), nodesVector).get());
}
- (void)_replaceSelectionWithNode:(DOMNode *)node selectReplacement:(BOOL)selectReplacement smartReplace:(BOOL)smartReplace matchStyle:(BOOL)matchStyle
{
DOMDocumentFragment *fragment = kit(_private->coreFrame->document()->createDocumentFragment().get());
[fragment appendChild:node];
[self _replaceSelectionWithFragment:fragment selectReplacement:selectReplacement smartReplace:smartReplace matchStyle:matchStyle];
}
- (void)_insertParagraphSeparatorInQuotedContent
{
if (_private->coreFrame->selection()->isNone())
return;
TypingCommand::insertParagraphSeparatorInQuotedContent(_private->coreFrame->document());
_private->coreFrame->revealSelection(ScrollAlignment::alignToEdgeIfNeeded);
}
- (VisiblePosition)_visiblePositionForPoint:(NSPoint)point
{
// FIXME: Someone with access to Apple's sources could remove this needless wrapper call.
return _private->coreFrame->visiblePositionForPoint(IntPoint(point));
}
- (DOMRange *)_characterRangeAtPoint:(NSPoint)point
{
VisiblePosition position = [self _visiblePositionForPoint:point];
if (position.isNull())
return nil;
VisiblePosition previous = position.previous();
if (previous.isNotNull()) {
DOMRange *previousCharacterRange = kit(makeRange(previous, position).get());
NSRect rect = [self _firstRectForDOMRange:previousCharacterRange];
if (NSPointInRect(point, rect))
return previousCharacterRange;
}
VisiblePosition next = position.next();
if (next.isNotNull()) {
DOMRange *nextCharacterRange = kit(makeRange(position, next).get());
NSRect rect = [self _firstRectForDOMRange:nextCharacterRange];
if (NSPointInRect(point, rect))
return nextCharacterRange;
}
return nil;
}
- (DOMCSSStyleDeclaration *)_typingStyle
{
if (!_private->coreFrame || !_private->coreFrame->typingStyle())
return nil;
return kit(_private->coreFrame->typingStyle()->copy().get());
}
- (void)_setTypingStyle:(DOMCSSStyleDeclaration *)style withUndoAction:(EditAction)undoAction
{
if (!_private->coreFrame)
return;
_private->coreFrame->computeAndSetTypingStyle(core(style), undoAction);
}
- (void)_dragSourceEndedAt:(NSPoint)windowLoc operation:(NSDragOperation)operation
{
if (!_private->coreFrame)
return;
FrameView* view = _private->coreFrame->view();
if (!view)
return;
ASSERT([getWebView(self) _usesDocumentViews]);
// FIXME: These are fake modifier keys here, but they should be real ones instead.
PlatformMouseEvent event(IntPoint(windowLoc), globalPoint(windowLoc, [view->platformWidget() window]),
LeftButton, MouseEventMoved, 0, false, false, false, false, currentTime());
_private->coreFrame->eventHandler()->dragSourceEndedAt(event, (DragOperation)operation);
}
- (BOOL)_canProvideDocumentSource
{
Frame* frame = _private->coreFrame;
String mimeType = frame->loader()->writer()->mimeType();
PluginData* pluginData = frame->page() ? frame->page()->pluginData() : 0;
if (WebCore::DOMImplementation::isTextMIMEType(mimeType) ||
Image::supportsType(mimeType) ||
(pluginData && pluginData->supportsMimeType(mimeType)))
return NO;
return YES;
}
- (BOOL)_canSaveAsWebArchive
{
// Currently, all documents that we can view source for
// (HTML and XML documents) can also be saved as web archives
return [self _canProvideDocumentSource];
}
- (void)_receivedData:(NSData *)data textEncodingName:(NSString *)textEncodingName
{
// Set the encoding. This only needs to be done once, but it's harmless to do it again later.
String encoding = _private->coreFrame->loader()->documentLoader()->overrideEncoding();
bool userChosen = !encoding.isNull();
if (encoding.isNull())
encoding = textEncodingName;
_private->coreFrame->loader()->writer()->setEncoding(encoding, userChosen);
[self _addData:data];
}
@end
@implementation WebFrame (WebPrivate)
// FIXME: This exists only as a convenience for Safari, consider moving there.
- (BOOL)_isDescendantOfFrame:(WebFrame *)ancestor
{
Frame* coreFrame = _private->coreFrame;
return coreFrame && coreFrame->tree()->isDescendantOf(core(ancestor));
}
- (void)_setShouldCreateRenderers:(BOOL)shouldCreateRenderers
{
_private->shouldCreateRenderers = shouldCreateRenderers;
}
- (NSColor *)_bodyBackgroundColor
{
Document* document = _private->coreFrame->document();
if (!document)
return nil;
HTMLElement* body = document->body();
if (!body)
return nil;
RenderObject* bodyRenderer = body->renderer();
if (!bodyRenderer)
return nil;
Color color = bodyRenderer->style()->visitedDependentColor(CSSPropertyBackgroundColor);
if (!color.isValid())
return nil;
return nsColor(color);
}
- (BOOL)_isFrameSet
{
Document* document = _private->coreFrame->document();
return document && document->isFrameSet();
}
- (BOOL)_firstLayoutDone
{
return _private->coreFrame->loader()->firstLayoutDone();
}
- (WebFrameLoadType)_loadType
{
return (WebFrameLoadType)_private->coreFrame->loader()->loadType();
}
- (NSRange)_selectedNSRange
{
return [self _convertToNSRange:_private->coreFrame->selection()->toNormalizedRange().get()];
}
- (void)_selectNSRange:(NSRange)range
{
RefPtr<Range> domRange = [self _convertToDOMRange:range];
if (domRange)
_private->coreFrame->selection()->setSelection(VisibleSelection(domRange.get(), SEL_DEFAULT_AFFINITY));
}
- (BOOL)_isDisplayingStandaloneImage
{
Document* document = _private->coreFrame->document();
return document && document->isImageDocument();
}
- (unsigned)_pendingFrameUnloadEventCount
{
return _private->coreFrame->domWindow()->pendingUnloadEventListeners();
}
- (WebIconFetcher *)fetchApplicationIcon:(id)target
selector:(SEL)selector
{
return [WebIconFetcher _fetchApplicationIconForFrame:self
target:target
selector:selector];
}
- (void)_setIsDisconnected:(bool)isDisconnected
{
_private->coreFrame->setIsDisconnected(isDisconnected);
}
- (void)_setExcludeFromTextSearch:(bool)exclude
{
_private->coreFrame->setExcludeFromTextSearch(exclude);
}
#if ENABLE(NETSCAPE_PLUGIN_API)
- (void)_recursive_resumeNullEventsForAllNetscapePlugins
{
Frame* coreFrame = core(self);
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame)) {
NSView <WebDocumentView> *documentView = [[kit(frame) frameView] documentView];
if ([documentView isKindOfClass:[WebHTMLView class]])
[(WebHTMLView *)documentView _resumeNullEventsForAllNetscapePlugins];
}
}
- (void)_recursive_pauseNullEventsForAllNetscapePlugins
{
Frame* coreFrame = core(self);
for (Frame* frame = coreFrame; frame; frame = frame->tree()->traverseNext(coreFrame)) {
NSView <WebDocumentView> *documentView = [[kit(frame) frameView] documentView];
if ([documentView isKindOfClass:[WebHTMLView class]])
[(WebHTMLView *)documentView _pauseNullEventsForAllNetscapePlugins];
}
}
#endif
- (BOOL)_pauseAnimation:(NSString*)name onNode:(DOMNode *)node atTime:(NSTimeInterval)time
{
Frame* frame = core(self);
if (!frame)
return false;
AnimationController* controller = frame->animation();
if (!controller)
return false;
Node* coreNode = core(node);
if (!coreNode || !coreNode->renderer())
return false;
return controller->pauseAnimationAtTime(coreNode->renderer(), name, time);
}
- (BOOL)_pauseTransitionOfProperty:(NSString*)name onNode:(DOMNode*)node atTime:(NSTimeInterval)time
{
Frame* frame = core(self);
if (!frame)
return false;
AnimationController* controller = frame->animation();
if (!controller)
return false;
Node* coreNode = core(node);
if (!coreNode || !coreNode->renderer())
return false;
return controller->pauseTransitionAtTime(coreNode->renderer(), name, time);
}
// Pause a given SVG animation on the target node at a specific time.
// This method is only intended to be used for testing the SVG animation system.
- (BOOL)_pauseSVGAnimation:(NSString*)elementId onSMILNode:(DOMNode *)node atTime:(NSTimeInterval)time
{
Frame* frame = core(self);
if (!frame)
return false;
Document* document = frame->document();
if (!document || !document->svgExtensions())
return false;
Node* coreNode = core(node);
if (!coreNode || !SVGSMILElement::isSMILElement(coreNode))
return false;
#if ENABLE(SVG)
return document->accessSVGExtensions()->sampleAnimationAtTime(elementId, static_cast<SVGSMILElement*>(coreNode), time);
#else
return false;
#endif
}
- (unsigned) _numberOfActiveAnimations
{
Frame* frame = core(self);
if (!frame)
return false;
AnimationController* controller = frame->animation();
if (!controller)
return false;
return controller->numberOfActiveAnimations();
}
- (void)_replaceSelectionWithFragment:(DOMDocumentFragment *)fragment selectReplacement:(BOOL)selectReplacement smartReplace:(BOOL)smartReplace matchStyle:(BOOL)matchStyle
{
if (_private->coreFrame->selection()->isNone() || !fragment)
return;
applyCommand(ReplaceSelectionCommand::create(_private->coreFrame->document(), core(fragment), selectReplacement, smartReplace, matchStyle));
_private->coreFrame->revealSelection(ScrollAlignment::alignToEdgeIfNeeded);
}
- (void)_replaceSelectionWithText:(NSString *)text selectReplacement:(BOOL)selectReplacement smartReplace:(BOOL)smartReplace
{
DOMDocumentFragment* fragment = kit(createFragmentFromText(_private->coreFrame->selection()->toNormalizedRange().get(), text).get());
[self _replaceSelectionWithFragment:fragment selectReplacement:selectReplacement smartReplace:smartReplace matchStyle:YES];
}
- (void)_replaceSelectionWithMarkupString:(NSString *)markupString baseURLString:(NSString *)baseURLString selectReplacement:(BOOL)selectReplacement smartReplace:(BOOL)smartReplace
{
DOMDocumentFragment *fragment = [self _documentFragmentWithMarkupString:markupString baseURLString:baseURLString];
[self _replaceSelectionWithFragment:fragment selectReplacement:selectReplacement smartReplace:smartReplace matchStyle:NO];
}
- (NSMutableDictionary *)_cacheabilityDictionary
{
NSMutableDictionary *result = [NSMutableDictionary dictionary];
FrameLoader* frameLoader = _private->coreFrame->loader();
DocumentLoader* documentLoader = frameLoader->documentLoader();
if (documentLoader && !documentLoader->mainDocumentError().isNull())
[result setObject:(NSError *)documentLoader->mainDocumentError() forKey:WebFrameMainDocumentError];
if (frameLoader->containsPlugins())
[result setObject:[NSNumber numberWithBool:YES] forKey:WebFrameHasPlugins];
if (DOMWindow* domWindow = _private->coreFrame->domWindow()) {
if (domWindow->hasEventListeners(eventNames().unloadEvent))
[result setObject:[NSNumber numberWithBool:YES] forKey:WebFrameHasUnloadListener];
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (domWindow->optionalApplicationCache())
[result setObject:[NSNumber numberWithBool:YES] forKey:WebFrameUsesApplicationCache];
#endif
}
if (Document* document = _private->coreFrame->document()) {
#if ENABLE(DATABASE)
if (document->hasOpenDatabases())
[result setObject:[NSNumber numberWithBool:YES] forKey:WebFrameUsesDatabases];
#endif
if (document->usingGeolocation())
[result setObject:[NSNumber numberWithBool:YES] forKey:WebFrameUsesGeolocation];
if (!document->canSuspendActiveDOMObjects())
[result setObject:[NSNumber numberWithBool:YES] forKey:WebFrameCanSuspendActiveDOMObjects];
}
return result;
}
- (BOOL)_allowsFollowingLink:(NSURL *)URL
{
if (!_private->coreFrame)
return YES;
return SecurityOrigin::canLoad(URL, String(), _private->coreFrame->document());
}
- (NSString *)_stringByEvaluatingJavaScriptFromString:(NSString *)string withGlobalObject:(JSObjectRef)globalObjectRef inScriptWorld:(WebScriptWorld *)world
{
// Start off with some guess at a frame and a global object, we'll try to do better...!
JSDOMWindow* anyWorldGlobalObject = _private->coreFrame->script()->globalObject(mainThreadNormalWorld());
// The global object is probably a shell object? - if so, we know how to use this!
JSC::JSObject* globalObjectObj = toJS(globalObjectRef);
if (!strcmp(globalObjectObj->classInfo()->className, "JSDOMWindowShell"))
anyWorldGlobalObject = static_cast<JSDOMWindowShell*>(globalObjectObj)->window();
// Get the frame frome the global object we've settled on.
Frame* frame = anyWorldGlobalObject->impl()->frame();
ASSERT(frame->document());
JSValue result = frame->script()->executeScriptInWorld(core(world), string, true).jsValue();
if (!frame) // In case the script removed our frame from the page.
return @"";
// This bizarre set of rules matches behavior from WebKit for Safari 2.0.
// If you don't like it, use -[WebScriptObject evaluateWebScript:] or
// JSEvaluateScript instead, since they have less surprising semantics.
if (!result || !result.isBoolean() && !result.isString() && !result.isNumber())
return @"";
JSLock lock(SilenceAssertionsOnly);
return ustringToString(result.toString(anyWorldGlobalObject->globalExec()));
}
- (JSGlobalContextRef)_globalContextForScriptWorld:(WebScriptWorld *)world
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return 0;
DOMWrapperWorld* coreWorld = core(world);
if (!coreWorld)
return 0;
return toGlobalRef(coreFrame->script()->globalObject(coreWorld)->globalExec());
}
- (void)setAllowsScrollersToOverlapContent:(BOOL)flag
{
ASSERT([[[self frameView] _scrollView] isKindOfClass:[WebDynamicScrollBarsView class]]);
[(WebDynamicScrollBarsView *)[[self frameView] _scrollView] setAllowsScrollersToOverlapContent:flag];
}
- (void)setAlwaysHideHorizontalScroller:(BOOL)flag
{
ASSERT([[[self frameView] _scrollView] isKindOfClass:[WebDynamicScrollBarsView class]]);
[(WebDynamicScrollBarsView *)[[self frameView] _scrollView] setAlwaysHideHorizontalScroller:flag];
}
- (void)setAlwaysHideVerticalScroller:(BOOL)flag
{
ASSERT([[[self frameView] _scrollView] isKindOfClass:[WebDynamicScrollBarsView class]]);
[(WebDynamicScrollBarsView *)[[self frameView] _scrollView] setAlwaysHideVerticalScroller:flag];
}
- (void)setAccessibleName:(NSString *)name
{
#if HAVE(ACCESSIBILITY)
if (!AXObjectCache::accessibilityEnabled())
return;
RenderView* root = toRenderView(_private->coreFrame->document()->renderer());
if (!root)
return;
AccessibilityObject* rootObject = _private->coreFrame->document()->axObjectCache()->getOrCreate(root);
String strName(name);
rootObject->setAccessibleName(strName);
#endif
}
- (NSString*)_layerTreeAsText
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return @"";
return coreFrame->layerTreeAsText();
}
@end
@implementation WebFrame
- (id)init
{
return nil;
}
// Should be deprecated.
- (id)initWithName:(NSString *)name webFrameView:(WebFrameView *)view webView:(WebView *)webView
{
return nil;
}
- (void)dealloc
{
if (_private && _private->includedInWebKitStatistics)
--WebFrameCount;
[_private release];
[super dealloc];
}
- (void)finalize
{
if (_private && _private->includedInWebKitStatistics)
--WebFrameCount;
[super finalize];
}
- (NSString *)name
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return nil;
return coreFrame->tree()->name();
}
- (WebFrameView *)frameView
{
ASSERT(!getWebView(self) || [getWebView(self) _usesDocumentViews]);
return _private->webFrameView;
}
- (WebView *)webView
{
return getWebView(self);
}
static bool needsMicrosoftMessengerDOMDocumentWorkaround()
{
static bool needsWorkaround = applicationIsMicrosoftMessenger() && [[[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleVersionKey] compare:@"7.1" options:NSNumericSearch] == NSOrderedAscending;
return needsWorkaround;
}
- (DOMDocument *)DOMDocument
{
if (needsMicrosoftMessengerDOMDocumentWorkaround() && !pthread_main_np())
return nil;
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return nil;
// FIXME: <rdar://problem/5145841> When loading a custom view/representation
// into a web frame, the old document can still be around. This makes sure that
// we'll return nil in those cases.
if (![[self _dataSource] _isDocumentHTML])
return nil;
Document* document = coreFrame->document();
// According to the documentation, we should return nil if the frame doesn't have a document.
// While full-frame images and plugins do have an underlying HTML document, we return nil here to be
// backwards compatible.
if (document && (document->isPluginDocument() || document->isImageDocument()))
return nil;
return kit(coreFrame->document());
}
- (DOMHTMLElement *)frameElement
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return nil;
return kit(coreFrame->ownerElement());
}
- (WebDataSource *)provisionalDataSource
{
Frame* coreFrame = _private->coreFrame;
return coreFrame ? dataSource(coreFrame->loader()->provisionalDocumentLoader()) : nil;
}
- (WebDataSource *)dataSource
{
Frame* coreFrame = _private->coreFrame;
return coreFrame && coreFrame->loader()->frameHasLoaded() ? [self _dataSource] : nil;
}
- (void)loadRequest:(NSURLRequest *)request
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return;
coreFrame->loader()->load(request, false);
}
static NSURL *createUniqueWebDataURL()
{
CFUUIDRef UUIDRef = CFUUIDCreate(kCFAllocatorDefault);
NSString *UUIDString = (NSString *)CFUUIDCreateString(kCFAllocatorDefault, UUIDRef);
CFRelease(UUIDRef);
NSURL *URL = [NSURL URLWithString:[NSString stringWithFormat:@"applewebdata://%@", UUIDString]];
CFRelease(UUIDString);
return URL;
}
- (void)_loadData:(NSData *)data MIMEType:(NSString *)MIMEType textEncodingName:(NSString *)encodingName baseURL:(NSURL *)baseURL unreachableURL:(NSURL *)unreachableURL
{
if (!pthread_main_np())
return [[self _webkit_invokeOnMainThread] _loadData:data MIMEType:MIMEType textEncodingName:encodingName baseURL:baseURL unreachableURL:unreachableURL];
KURL responseURL;
if (!baseURL) {
baseURL = blankURL();
responseURL = createUniqueWebDataURL();
}
ResourceRequest request([baseURL absoluteURL]);
// hack because Mail checks for this property to detect data / archive loads
[NSURLProtocol setProperty:@"" forKey:@"WebDataRequest" inRequest:(NSMutableURLRequest *)request.nsURLRequest()];
SubstituteData substituteData(WebCore::SharedBuffer::wrapNSData(data), MIMEType, encodingName, [unreachableURL absoluteURL], responseURL);
_private->coreFrame->loader()->load(request, substituteData, false);
}
- (void)loadData:(NSData *)data MIMEType:(NSString *)MIMEType textEncodingName:(NSString *)encodingName baseURL:(NSURL *)baseURL
{
WebCoreThreadViolationCheckRoundTwo();
if (!MIMEType)
MIMEType = @"text/html";
[self _loadData:data MIMEType:MIMEType textEncodingName:encodingName baseURL:baseURL unreachableURL:nil];
}
- (void)_loadHTMLString:(NSString *)string baseURL:(NSURL *)baseURL unreachableURL:(NSURL *)unreachableURL
{
NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
[self _loadData:data MIMEType:@"text/html" textEncodingName:@"UTF-8" baseURL:baseURL unreachableURL:unreachableURL];
}
- (void)loadHTMLString:(NSString *)string baseURL:(NSURL *)baseURL
{
WebCoreThreadViolationCheckRoundTwo();
[self _loadHTMLString:string baseURL:baseURL unreachableURL:nil];
}
- (void)loadAlternateHTMLString:(NSString *)string baseURL:(NSURL *)baseURL forUnreachableURL:(NSURL *)unreachableURL
{
WebCoreThreadViolationCheckRoundTwo();
[self _loadHTMLString:string baseURL:baseURL unreachableURL:unreachableURL];
}
- (void)loadArchive:(WebArchive *)archive
{
if (LegacyWebArchive* coreArchive = [archive _coreLegacyWebArchive])
_private->coreFrame->loader()->loadArchive(coreArchive);
}
- (void)stopLoading
{
if (!_private->coreFrame)
return;
_private->coreFrame->loader()->stopForUserCancel();
}
- (void)reload
{
if (!WebKitLinkedOnOrAfter(WEBKIT_FIRST_VERSION_WITH_RELOAD_FROM_ORIGIN) && applicationIsSafari())
_private->coreFrame->loader()->reload(GetCurrentKeyModifiers() & shiftKey);
else
_private->coreFrame->loader()->reload(false);
}
- (void)reloadFromOrigin
{
_private->coreFrame->loader()->reload(true);
}
- (WebFrame *)findFrameNamed:(NSString *)name
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return nil;
return kit(coreFrame->tree()->find(name));
}
- (WebFrame *)parentFrame
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return nil;
return [[kit(coreFrame->tree()->parent()) retain] autorelease];
}
- (NSArray *)childFrames
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return [NSArray array];
NSMutableArray *children = [NSMutableArray arrayWithCapacity:coreFrame->tree()->childCount()];
for (Frame* child = coreFrame->tree()->firstChild(); child; child = child->tree()->nextSibling())
[children addObject:kit(child)];
return children;
}
- (WebScriptObject *)windowObject
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return 0;
return coreFrame->script()->windowScriptObject();
}
- (JSGlobalContextRef)globalContext
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return 0;
return toGlobalRef(coreFrame->script()->globalObject(mainThreadNormalWorld())->globalExec());
}
@end