/* * Copyright (C) 2006-2017 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "config.h" #import "Editor.h" #import "ArchiveResource.h" #import "CSSValueList.h" #import "CSSValuePool.h" #import "CachedResourceLoader.h" #import "ColorMac.h" #import "DocumentFragment.h" #import "DocumentLoader.h" #import "Editing.h" #import "EditingStyle.h" #import "EditorClient.h" #import "FontCascade.h" #import "Frame.h" #import "FrameLoader.h" #import "FrameSelection.h" #import "HTMLAttachmentElement.h" #import "HTMLConverter.h" #import "HTMLImageElement.h" #import "HTMLSpanElement.h" #import "LegacyWebArchive.h" #import "Pasteboard.h" #import "RenderElement.h" #import "RenderStyle.h" #import "Text.h" #import "WebContentReader.h" #import "WebCoreNSURLExtras.h" #import "markup.h" #import <pal/spi/cocoa/NSAttributedStringSPI.h> #import <pal/spi/cocoa/NSKeyedArchiverSPI.h> #import <wtf/BlockObjCExceptions.h> namespace WebCore { void Editor::getTextDecorationAttributesRespectingTypingStyle(const RenderStyle& style, NSMutableDictionary* result) const { RefPtr<EditingStyle> typingStyle = m_frame.selection().typingStyle(); if (typingStyle && typingStyle->style()) { RefPtr<CSSValue> value = typingStyle->style()->getPropertyCSSValue(CSSPropertyWebkitTextDecorationsInEffect); if (value && value->isValueList()) { CSSValueList& valueList = downcast<CSSValueList>(*value); if (valueList.hasValue(CSSValuePool::singleton().createIdentifierValue(CSSValueLineThrough).ptr())) [result setObject:@(NSUnderlineStyleSingle) forKey:NSStrikethroughStyleAttributeName]; if (valueList.hasValue(CSSValuePool::singleton().createIdentifierValue(CSSValueUnderline).ptr())) [result setObject:@(NSUnderlineStyleSingle) forKey:NSUnderlineStyleAttributeName]; } } else { int decoration = style.textDecorationsInEffect(); if (decoration & TextDecorationLineThrough) [result setObject:@(NSUnderlineStyleSingle) forKey:NSStrikethroughStyleAttributeName]; if (decoration & TextDecorationUnderline) [result setObject:@(NSUnderlineStyleSingle) forKey:NSUnderlineStyleAttributeName]; } } RetainPtr<NSDictionary> Editor::fontAttributesForSelectionStart() const { Node* nodeToRemove; auto* style = styleForSelectionStart(&m_frame, nodeToRemove); if (!style) return nil; RetainPtr<NSMutableDictionary> attributes = adoptNS([[NSMutableDictionary alloc] init]); if (auto ctFont = style->fontCascade().primaryFont().getCTFont()) [attributes setObject:(id)ctFont forKey:NSFontAttributeName]; // FIXME: Why would we not want to retrieve these attributes on iOS? #if PLATFORM(MAC) if (style->visitedDependentColor(CSSPropertyBackgroundColor).isVisible()) [attributes setObject:nsColor(style->visitedDependentColor(CSSPropertyBackgroundColor)) forKey:NSBackgroundColorAttributeName]; if (style->visitedDependentColor(CSSPropertyColor).isValid() && !Color::isBlackColor(style->visitedDependentColor(CSSPropertyColor))) [attributes setObject:nsColor(style->visitedDependentColor(CSSPropertyColor)) forKey:NSForegroundColorAttributeName]; const ShadowData* shadowData = style->textShadow(); if (shadowData) { RetainPtr<NSShadow> platformShadow = adoptNS([[NSShadow alloc] init]); [platformShadow setShadowOffset:NSMakeSize(shadowData->x(), shadowData->y())]; [platformShadow setShadowBlurRadius:shadowData->radius()]; [platformShadow setShadowColor:nsColor(shadowData->color())]; [attributes setObject:platformShadow.get() forKey:NSShadowAttributeName]; } int superscriptInt = 0; switch (style->verticalAlign()) { case BASELINE: case BOTTOM: case BASELINE_MIDDLE: case LENGTH: case MIDDLE: case TEXT_BOTTOM: case TEXT_TOP: case TOP: break; case SUB: superscriptInt = -1; break; case SUPER: superscriptInt = 1; break; } if (superscriptInt) [attributes setObject:@(superscriptInt) forKey:NSSuperscriptAttributeName]; #endif getTextDecorationAttributesRespectingTypingStyle(*style, attributes.get()); if (nodeToRemove) nodeToRemove->remove(); return attributes; } static RefPtr<SharedBuffer> archivedDataForAttributedString(NSAttributedString *attributedString) { if (!attributedString.length) return nullptr; return SharedBuffer::create(securelyArchivedDataWithRootObject(attributedString)); } String Editor::selectionInHTMLFormat() { if (auto range = selectedRange()) return createMarkup(*range, nullptr, AnnotateForInterchange, false, ResolveNonLocalURLs); return { }; } #if ENABLE(ATTACHMENT_ELEMENT) void Editor::getPasteboardTypesAndDataForAttachment(HTMLAttachmentElement& attachment, Vector<String>& outTypes, Vector<RefPtr<SharedBuffer>>& outData) { auto attachmentRange = Range::create(attachment.document(), { &attachment, Position::PositionIsBeforeAnchor }, { &attachment, Position::PositionIsAfterAnchor }); client()->getClientPasteboardDataForRange(attachmentRange.ptr(), outTypes, outData); if (auto archive = LegacyWebArchive::create(attachmentRange.ptr())) { outTypes.append(WebArchivePboardType); outData.append(SharedBuffer::create(archive->rawDataRepresentation().get())); } } #endif void Editor::writeSelectionToPasteboard(Pasteboard& pasteboard) { NSAttributedString *attributedString = attributedStringFromRange(*selectedRange()); PasteboardWebContent content; content.contentOrigin = m_frame.document()->originIdentifierForPasteboard(); content.canSmartCopyOrDelete = canSmartCopyOrDelete(); content.dataInWebArchiveFormat = selectionInWebArchiveFormat(); content.dataInRTFDFormat = attributedString.containsAttachments ? dataInRTFDFormat(attributedString) : nullptr; content.dataInRTFFormat = dataInRTFFormat(attributedString); content.dataInAttributedStringFormat = archivedDataForAttributedString(attributedString); content.dataInHTMLFormat = selectionInHTMLFormat(); content.dataInStringFormat = stringSelectionForPasteboardWithImageAltText(); client()->getClientPasteboardDataForRange(selectedRange().get(), content.clientTypes, content.clientData); pasteboard.write(content); } void Editor::writeSelection(PasteboardWriterData& pasteboardWriterData) { NSAttributedString *attributedString = attributedStringFromRange(*selectedRange()); PasteboardWriterData::WebContent webContent; webContent.contentOrigin = m_frame.document()->originIdentifierForPasteboard(); webContent.canSmartCopyOrDelete = canSmartCopyOrDelete(); webContent.dataInWebArchiveFormat = selectionInWebArchiveFormat(); webContent.dataInRTFDFormat = attributedString.containsAttachments ? dataInRTFDFormat(attributedString) : nullptr; webContent.dataInRTFFormat = dataInRTFFormat(attributedString); webContent.dataInAttributedStringFormat = archivedDataForAttributedString(attributedString); webContent.dataInHTMLFormat = selectionInHTMLFormat(); webContent.dataInStringFormat = stringSelectionForPasteboardWithImageAltText(); client()->getClientPasteboardDataForRange(selectedRange().get(), webContent.clientTypes, webContent.clientData); pasteboardWriterData.setWebContent(WTFMove(webContent)); } RefPtr<SharedBuffer> Editor::selectionInWebArchiveFormat() { RefPtr<LegacyWebArchive> archive = LegacyWebArchive::createFromSelection(&m_frame); if (!archive) return nullptr; return SharedBuffer::create(archive->rawDataRepresentation().get()); } // FIXME: Makes no sense that selectedTextForDataTransfer always includes alt text, but stringSelectionForPasteboard does not. // This was left in a bad state when selectedTextForDataTransfer was added. Need to look over clients and fix this. String Editor::stringSelectionForPasteboard() { if (!canCopy()) return emptyString(); String text = selectedText(); text.replace(noBreakSpace, ' '); return text; } String Editor::stringSelectionForPasteboardWithImageAltText() { if (!canCopy()) return emptyString(); String text = selectedTextForDataTransfer(); text.replace(noBreakSpace, ' '); return text; } void Editor::replaceSelectionWithAttributedString(NSAttributedString *attributedString, MailBlockquoteHandling mailBlockquoteHandling) { if (m_frame.selection().isNone()) return; if (m_frame.selection().selection().isContentRichlyEditable()) { if (auto fragment = createFragmentAndAddResources(m_frame, attributedString)) { if (shouldInsertFragment(*fragment, selectedRange().get(), EditorInsertAction::Pasted)) pasteAsFragment(fragment.releaseNonNull(), false, false, mailBlockquoteHandling); } } else { String text = attributedString.string; if (shouldInsertText(text, selectedRange().get(), EditorInsertAction::Pasted)) pasteAsPlainText(text, false); } } String Editor::userVisibleString(const URL& url) { return WebCore::userVisibleString(url); } RefPtr<SharedBuffer> Editor::dataInRTFDFormat(NSAttributedString *string) { NSUInteger length = string.length; if (!length) return nullptr; BEGIN_BLOCK_OBJC_EXCEPTIONS; return SharedBuffer::create([string RTFDFromRange:NSMakeRange(0, length) documentAttributes:@{ }]); END_BLOCK_OBJC_EXCEPTIONS; return nullptr; } RefPtr<SharedBuffer> Editor::dataInRTFFormat(NSAttributedString *string) { NSUInteger length = string.length; if (!length) return nullptr; BEGIN_BLOCK_OBJC_EXCEPTIONS; return SharedBuffer::create([string RTFFromRange:NSMakeRange(0, length) documentAttributes:@{ }]); END_BLOCK_OBJC_EXCEPTIONS; return nullptr; } }