| /* |
| * Copyright (C) 2004, 2006, 2007 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 COMPUTER, 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 COMPUTER, 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. |
| */ |
| |
| #include "config.h" |
| #include "RenderTreeAsText.h" |
| |
| #include "CSSMutableStyleDeclaration.h" |
| #include "Document.h" |
| #include "Frame.h" |
| #include "FrameView.h" |
| #include "HTMLElement.h" |
| #include "HTMLNames.h" |
| #include "InlineTextBox.h" |
| #include "PrintContext.h" |
| #include "RenderBR.h" |
| #include "RenderDetailsMarker.h" |
| #include "RenderFileUploadControl.h" |
| #include "RenderInline.h" |
| #include "RenderLayer.h" |
| #include "RenderListItem.h" |
| #include "RenderListMarker.h" |
| #include "RenderPart.h" |
| #include "RenderTableCell.h" |
| #include "RenderView.h" |
| #include "RenderWidget.h" |
| #include "SelectionController.h" |
| #include <wtf/HexNumber.h> |
| #include <wtf/UnusedParam.h> |
| #include <wtf/Vector.h> |
| #include <wtf/unicode/CharacterNames.h> |
| |
| #if ENABLE(SVG) |
| #include "RenderSVGContainer.h" |
| #include "RenderSVGGradientStop.h" |
| #include "RenderSVGImage.h" |
| #include "RenderSVGInlineText.h" |
| #include "RenderSVGPath.h" |
| #include "RenderSVGRoot.h" |
| #include "RenderSVGText.h" |
| #include "SVGRenderTreeAsText.h" |
| #endif |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| #include "RenderLayerBacking.h" |
| #endif |
| |
| #if PLATFORM(QT) |
| #include <QWidget> |
| #endif |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| static void writeLayers(TextStream&, const RenderLayer* rootLayer, RenderLayer*, const IntRect& paintDirtyRect, int indent = 0, RenderAsTextBehavior behavior = RenderAsTextBehaviorNormal); |
| |
| bool hasFractions(double val) |
| { |
| static const double s_epsilon = 0.0001; |
| int ival = static_cast<int>(val); |
| double dval = static_cast<double>(ival); |
| return fabs(val - dval) > s_epsilon; |
| } |
| |
| TextStream& operator<<(TextStream& ts, const IntRect& r) |
| { |
| return ts << "at (" << r.x() << "," << r.y() << ") size " << r.width() << "x" << r.height(); |
| } |
| |
| TextStream& operator<<(TextStream& ts, const IntPoint& p) |
| { |
| return ts << "(" << p.x() << "," << p.y() << ")"; |
| } |
| |
| TextStream& operator<<(TextStream& ts, const FloatPoint& p) |
| { |
| ts << "("; |
| if (hasFractions(p.x())) |
| ts << p.x(); |
| else |
| ts << int(p.x()); |
| ts << ","; |
| if (hasFractions(p.y())) |
| ts << p.y(); |
| else |
| ts << int(p.y()); |
| return ts << ")"; |
| } |
| |
| TextStream& operator<<(TextStream& ts, const FloatSize& s) |
| { |
| ts << "width="; |
| if (hasFractions(s.width())) |
| ts << s.width(); |
| else |
| ts << int(s.width()); |
| ts << " height="; |
| if (hasFractions(s.height())) |
| ts << s.height(); |
| else |
| ts << int(s.height()); |
| return ts; |
| } |
| |
| void writeIndent(TextStream& ts, int indent) |
| { |
| for (int i = 0; i != indent; ++i) |
| ts << " "; |
| } |
| |
| static void printBorderStyle(TextStream& ts, const EBorderStyle borderStyle) |
| { |
| switch (borderStyle) { |
| case BNONE: |
| ts << "none"; |
| break; |
| case BHIDDEN: |
| ts << "hidden"; |
| break; |
| case INSET: |
| ts << "inset"; |
| break; |
| case GROOVE: |
| ts << "groove"; |
| break; |
| case RIDGE: |
| ts << "ridge"; |
| break; |
| case OUTSET: |
| ts << "outset"; |
| break; |
| case DOTTED: |
| ts << "dotted"; |
| break; |
| case DASHED: |
| ts << "dashed"; |
| break; |
| case SOLID: |
| ts << "solid"; |
| break; |
| case DOUBLE: |
| ts << "double"; |
| break; |
| } |
| |
| ts << " "; |
| } |
| |
| static String getTagName(Node* n) |
| { |
| if (n->isDocumentNode()) |
| return ""; |
| if (n->isCommentNode()) |
| return "COMMENT"; |
| return n->nodeName(); |
| } |
| |
| static bool isEmptyOrUnstyledAppleStyleSpan(const Node* node) |
| { |
| if (!node || !node->isHTMLElement() || !node->hasTagName(spanTag)) |
| return false; |
| |
| const HTMLElement* elem = static_cast<const HTMLElement*>(node); |
| if (elem->getAttribute(classAttr) != "Apple-style-span") |
| return false; |
| |
| if (!node->hasChildNodes()) |
| return true; |
| |
| CSSMutableStyleDeclaration* inlineStyleDecl = elem->inlineStyleDecl(); |
| return (!inlineStyleDecl || inlineStyleDecl->length() == 0); |
| } |
| |
| String quoteAndEscapeNonPrintables(const String& s) |
| { |
| Vector<UChar> result; |
| result.append('"'); |
| for (unsigned i = 0; i != s.length(); ++i) { |
| UChar c = s[i]; |
| if (c == '\\') { |
| result.append('\\'); |
| result.append('\\'); |
| } else if (c == '"') { |
| result.append('\\'); |
| result.append('"'); |
| } else if (c == '\n' || c == noBreakSpace) |
| result.append(' '); |
| else { |
| if (c >= 0x20 && c < 0x7F) |
| result.append(c); |
| else { |
| result.append('\\'); |
| result.append('x'); |
| result.append('{'); |
| appendUnsignedAsHex(c, result); |
| result.append('}'); |
| } |
| } |
| } |
| result.append('"'); |
| return String::adopt(result); |
| } |
| |
| void RenderTreeAsText::writeRenderObject(TextStream& ts, const RenderObject& o, RenderAsTextBehavior behavior) |
| { |
| ts << o.renderName(); |
| |
| if (behavior & RenderAsTextShowAddresses) |
| ts << " " << static_cast<const void*>(&o); |
| |
| if (o.style() && o.style()->zIndex()) |
| ts << " zI: " << o.style()->zIndex(); |
| |
| if (o.node()) { |
| String tagName = getTagName(o.node()); |
| if (!tagName.isEmpty()) { |
| ts << " {" << tagName << "}"; |
| // flag empty or unstyled AppleStyleSpan because we never |
| // want to leave them in the DOM |
| if (isEmptyOrUnstyledAppleStyleSpan(o.node())) |
| ts << " *empty or unstyled AppleStyleSpan*"; |
| } |
| } |
| |
| bool adjustForTableCells = o.containingBlock()->isTableCell(); |
| |
| IntRect r; |
| if (o.isText()) { |
| // FIXME: Would be better to dump the bounding box x and y rather than the first run's x and y, but that would involve updating |
| // many test results. |
| const RenderText& text = *toRenderText(&o); |
| IntRect linesBox = text.linesBoundingBox(); |
| r = IntRect(text.firstRunX(), text.firstRunY(), linesBox.width(), linesBox.height()); |
| if (adjustForTableCells && !text.firstTextBox()) |
| adjustForTableCells = false; |
| } else if (o.isRenderInline()) { |
| // FIXME: Would be better not to just dump 0, 0 as the x and y here. |
| const RenderInline& inlineFlow = *toRenderInline(&o); |
| r = IntRect(0, 0, inlineFlow.linesBoundingBox().width(), inlineFlow.linesBoundingBox().height()); |
| adjustForTableCells = false; |
| } else if (o.isTableCell()) { |
| // FIXME: Deliberately dump the "inner" box of table cells, since that is what current results reflect. We'd like |
| // to clean up the results to dump both the outer box and the intrinsic padding so that both bits of information are |
| // captured by the results. |
| const RenderTableCell& cell = *toRenderTableCell(&o); |
| r = IntRect(cell.x(), cell.y() + cell.intrinsicPaddingBefore(), cell.width(), cell.height() - cell.intrinsicPaddingBefore() - cell.intrinsicPaddingAfter()); |
| } else if (o.isBox()) |
| r = toRenderBox(&o)->frameRect(); |
| |
| // FIXME: Temporary in order to ensure compatibility with existing layout test results. |
| if (adjustForTableCells) |
| r.move(0, -toRenderTableCell(o.containingBlock())->intrinsicPaddingBefore()); |
| |
| ts << " " << r; |
| |
| if (!(o.isText() && !o.isBR())) { |
| if (o.isFileUploadControl()) |
| ts << " " << quoteAndEscapeNonPrintables(toRenderFileUploadControl(&o)->fileTextValue()); |
| |
| if (o.parent() && (o.parent()->style()->color() != o.style()->color())) |
| ts << " [color=" << o.style()->color().nameForRenderTreeAsText() << "]"; |
| |
| if (o.parent() && (o.parent()->style()->backgroundColor() != o.style()->backgroundColor()) && |
| o.style()->backgroundColor().isValid() && o.style()->backgroundColor().rgb()) |
| // Do not dump invalid or transparent backgrounds, since that is the default. |
| ts << " [bgcolor=" << o.style()->backgroundColor().nameForRenderTreeAsText() << "]"; |
| |
| if (o.parent() && (o.parent()->style()->textFillColor() != o.style()->textFillColor()) && |
| o.style()->textFillColor().isValid() && o.style()->textFillColor() != o.style()->color() && |
| o.style()->textFillColor().rgb()) |
| ts << " [textFillColor=" << o.style()->textFillColor().nameForRenderTreeAsText() << "]"; |
| |
| if (o.parent() && (o.parent()->style()->textStrokeColor() != o.style()->textStrokeColor()) && |
| o.style()->textStrokeColor().isValid() && o.style()->textStrokeColor() != o.style()->color() && |
| o.style()->textStrokeColor().rgb()) |
| ts << " [textStrokeColor=" << o.style()->textStrokeColor().nameForRenderTreeAsText() << "]"; |
| |
| if (o.parent() && (o.parent()->style()->textStrokeWidth() != o.style()->textStrokeWidth()) && |
| o.style()->textStrokeWidth() > 0) |
| ts << " [textStrokeWidth=" << o.style()->textStrokeWidth() << "]"; |
| |
| if (!o.isBoxModelObject()) |
| return; |
| |
| const RenderBoxModelObject& box = *toRenderBoxModelObject(&o); |
| if (box.borderTop() || box.borderRight() || box.borderBottom() || box.borderLeft()) { |
| ts << " [border:"; |
| |
| BorderValue prevBorder; |
| if (o.style()->borderTop() != prevBorder) { |
| prevBorder = o.style()->borderTop(); |
| if (!box.borderTop()) |
| ts << " none"; |
| else { |
| ts << " (" << box.borderTop() << "px "; |
| printBorderStyle(ts, o.style()->borderTopStyle()); |
| Color col = o.style()->borderTopColor(); |
| if (!col.isValid()) |
| col = o.style()->color(); |
| ts << col.nameForRenderTreeAsText() << ")"; |
| } |
| } |
| |
| if (o.style()->borderRight() != prevBorder) { |
| prevBorder = o.style()->borderRight(); |
| if (!box.borderRight()) |
| ts << " none"; |
| else { |
| ts << " (" << box.borderRight() << "px "; |
| printBorderStyle(ts, o.style()->borderRightStyle()); |
| Color col = o.style()->borderRightColor(); |
| if (!col.isValid()) |
| col = o.style()->color(); |
| ts << col.nameForRenderTreeAsText() << ")"; |
| } |
| } |
| |
| if (o.style()->borderBottom() != prevBorder) { |
| prevBorder = box.style()->borderBottom(); |
| if (!box.borderBottom()) |
| ts << " none"; |
| else { |
| ts << " (" << box.borderBottom() << "px "; |
| printBorderStyle(ts, o.style()->borderBottomStyle()); |
| Color col = o.style()->borderBottomColor(); |
| if (!col.isValid()) |
| col = o.style()->color(); |
| ts << col.nameForRenderTreeAsText() << ")"; |
| } |
| } |
| |
| if (o.style()->borderLeft() != prevBorder) { |
| prevBorder = o.style()->borderLeft(); |
| if (!box.borderLeft()) |
| ts << " none"; |
| else { |
| ts << " (" << box.borderLeft() << "px "; |
| printBorderStyle(ts, o.style()->borderLeftStyle()); |
| Color col = o.style()->borderLeftColor(); |
| if (!col.isValid()) |
| col = o.style()->color(); |
| ts << col.nameForRenderTreeAsText() << ")"; |
| } |
| } |
| |
| ts << "]"; |
| } |
| } |
| |
| if (o.isTableCell()) { |
| const RenderTableCell& c = *toRenderTableCell(&o); |
| ts << " [r=" << c.row() << " c=" << c.col() << " rs=" << c.rowSpan() << " cs=" << c.colSpan() << "]"; |
| } |
| |
| if (o.isDetailsMarker()) { |
| ts << ": "; |
| switch (toRenderDetailsMarker(&o)->orientation()) { |
| case RenderDetailsMarker::Left: |
| ts << "left"; |
| break; |
| case RenderDetailsMarker::Right: |
| ts << "right"; |
| break; |
| case RenderDetailsMarker::Up: |
| ts << "up"; |
| break; |
| case RenderDetailsMarker::Down: |
| ts << "down"; |
| break; |
| } |
| } |
| |
| if (o.isListMarker()) { |
| String text = toRenderListMarker(&o)->text(); |
| if (!text.isEmpty()) { |
| if (text.length() != 1) |
| text = quoteAndEscapeNonPrintables(text); |
| else { |
| switch (text[0]) { |
| case bullet: |
| text = "bullet"; |
| break; |
| case blackSquare: |
| text = "black square"; |
| break; |
| case whiteBullet: |
| text = "white bullet"; |
| break; |
| default: |
| text = quoteAndEscapeNonPrintables(text); |
| } |
| } |
| ts << ": " << text; |
| } |
| } |
| |
| if (behavior & RenderAsTextShowIDAndClass) { |
| if (Node* node = o.node()) { |
| if (node->hasID()) |
| ts << " id=\"" + static_cast<Element*>(node)->getIdAttribute() + "\""; |
| |
| if (node->hasClass()) { |
| StyledElement* styledElement = static_cast<StyledElement*>(node); |
| String classes; |
| for (size_t i = 0; i < styledElement->classNames().size(); ++i) { |
| if (i > 0) |
| classes += " "; |
| classes += styledElement->classNames()[i]; |
| } |
| ts << " class=\"" + classes + "\""; |
| } |
| } |
| } |
| |
| if (behavior & RenderAsTextShowLayoutState) { |
| bool needsLayout = o.selfNeedsLayout() || o.needsPositionedMovementLayout() || o.posChildNeedsLayout() || o.normalChildNeedsLayout(); |
| if (needsLayout) |
| ts << " (needs layout:"; |
| |
| bool havePrevious = false; |
| if (o.selfNeedsLayout()) { |
| ts << " self"; |
| havePrevious = true; |
| } |
| |
| if (o.needsPositionedMovementLayout()) { |
| if (havePrevious) |
| ts << ","; |
| havePrevious = true; |
| ts << " positioned movement"; |
| } |
| |
| if (o.normalChildNeedsLayout()) { |
| if (havePrevious) |
| ts << ","; |
| havePrevious = true; |
| ts << " child"; |
| } |
| |
| if (o.posChildNeedsLayout()) { |
| if (havePrevious) |
| ts << ","; |
| ts << " positioned child"; |
| } |
| |
| if (needsLayout) |
| ts << ")"; |
| } |
| |
| #if PLATFORM(QT) |
| // Print attributes of embedded QWidgets. E.g. when the WebCore::Widget |
| // is invisible the QWidget should be invisible too. |
| if (o.isRenderPart()) { |
| const RenderPart* part = toRenderPart(const_cast<RenderObject*>(&o)); |
| if (part->widget() && part->widget()->platformWidget()) { |
| QWidget* wid = part->widget()->platformWidget(); |
| |
| ts << " [QT: "; |
| ts << "geometry: {" << wid->geometry() << "} "; |
| ts << "isHidden: " << wid->isHidden() << " "; |
| ts << "isSelfVisible: " << part->widget()->isSelfVisible() << " "; |
| ts << "isParentVisible: " << part->widget()->isParentVisible() << " "; |
| ts << "mask: {" << wid->mask().boundingRect() << "} ] "; |
| } |
| } |
| #endif |
| } |
| |
| static void writeTextRun(TextStream& ts, const RenderText& o, const InlineTextBox& run) |
| { |
| // FIXME: For now use an "enclosingIntRect" model for x, y and logicalWidth, although this makes it harder |
| // to detect any changes caused by the conversion to floating point. :( |
| int x = run.m_x; |
| int y = run.m_y; |
| int logicalWidth = ceilf(run.m_x + run.m_logicalWidth) - x; |
| |
| // FIXME: Table cell adjustment is temporary until results can be updated. |
| if (o.containingBlock()->isTableCell()) |
| y -= toRenderTableCell(o.containingBlock())->intrinsicPaddingBefore(); |
| |
| ts << "text run at (" << x << "," << y << ") width " << logicalWidth; |
| if (!run.isLeftToRightDirection() || run.m_dirOverride) { |
| ts << (!run.isLeftToRightDirection() ? " RTL" : " LTR"); |
| if (run.m_dirOverride) |
| ts << " override"; |
| } |
| ts << ": " |
| << quoteAndEscapeNonPrintables(String(o.text()).substring(run.start(), run.len())); |
| if (run.hasHyphen()) |
| ts << " + hyphen string " << quoteAndEscapeNonPrintables(o.style()->hyphenString()); |
| ts << "\n"; |
| } |
| |
| void write(TextStream& ts, const RenderObject& o, int indent, RenderAsTextBehavior behavior) |
| { |
| #if ENABLE(SVG) |
| if (o.isSVGPath()) { |
| write(ts, *toRenderSVGPath(&o), indent); |
| return; |
| } |
| if (o.isSVGGradientStop()) { |
| writeSVGGradientStop(ts, *toRenderSVGGradientStop(&o), indent); |
| return; |
| } |
| if (o.isSVGResourceContainer()) { |
| writeSVGResourceContainer(ts, o, indent); |
| return; |
| } |
| if (o.isSVGContainer()) { |
| writeSVGContainer(ts, o, indent); |
| return; |
| } |
| if (o.isSVGRoot()) { |
| write(ts, *toRenderSVGRoot(&o), indent); |
| return; |
| } |
| if (o.isSVGText()) { |
| writeSVGText(ts, *toRenderBlock(&o), indent); |
| return; |
| } |
| if (o.isSVGInlineText()) { |
| writeSVGInlineText(ts, *toRenderText(&o), indent); |
| return; |
| } |
| if (o.isSVGImage()) { |
| writeSVGImage(ts, *toRenderSVGImage(&o), indent); |
| return; |
| } |
| #endif |
| |
| writeIndent(ts, indent); |
| |
| RenderTreeAsText::writeRenderObject(ts, o, behavior); |
| ts << "\n"; |
| |
| if (o.isText() && !o.isBR()) { |
| const RenderText& text = *toRenderText(&o); |
| for (InlineTextBox* box = text.firstTextBox(); box; box = box->nextTextBox()) { |
| writeIndent(ts, indent + 1); |
| writeTextRun(ts, text, *box); |
| } |
| } |
| |
| for (RenderObject* child = o.firstChild(); child; child = child->nextSibling()) { |
| if (child->hasLayer()) |
| continue; |
| write(ts, *child, indent + 1, behavior); |
| } |
| |
| if (o.isWidget()) { |
| Widget* widget = toRenderWidget(&o)->widget(); |
| if (widget && widget->isFrameView()) { |
| FrameView* view = static_cast<FrameView*>(widget); |
| RenderView* root = view->frame()->contentRenderer(); |
| if (root) { |
| view->layout(); |
| RenderLayer* l = root->layer(); |
| if (l) |
| writeLayers(ts, l, l, IntRect(l->x(), l->y(), l->width(), l->height()), indent + 1, behavior); |
| } |
| } |
| } |
| } |
| |
| enum LayerPaintPhase { |
| LayerPaintPhaseAll = 0, |
| LayerPaintPhaseBackground = -1, |
| LayerPaintPhaseForeground = 1 |
| }; |
| |
| static void write(TextStream& ts, RenderLayer& l, |
| const IntRect& layerBounds, const IntRect& backgroundClipRect, const IntRect& clipRect, const IntRect& outlineClipRect, |
| LayerPaintPhase paintPhase = LayerPaintPhaseAll, int indent = 0, RenderAsTextBehavior behavior = RenderAsTextBehaviorNormal) |
| { |
| writeIndent(ts, indent); |
| |
| ts << "layer "; |
| |
| if (behavior & RenderAsTextShowAddresses) |
| ts << static_cast<const void*>(&l) << " "; |
| |
| ts << layerBounds; |
| |
| if (!layerBounds.isEmpty()) { |
| if (!backgroundClipRect.contains(layerBounds)) |
| ts << " backgroundClip " << backgroundClipRect; |
| if (!clipRect.contains(layerBounds)) |
| ts << " clip " << clipRect; |
| if (!outlineClipRect.contains(layerBounds)) |
| ts << " outlineClip " << outlineClipRect; |
| } |
| |
| if (l.renderer()->hasOverflowClip()) { |
| if (l.scrollXOffset()) |
| ts << " scrollX " << l.scrollXOffset(); |
| if (l.scrollYOffset()) |
| ts << " scrollY " << l.scrollYOffset(); |
| if (l.renderBox() && l.renderBox()->clientWidth() != l.scrollWidth()) |
| ts << " scrollWidth " << l.scrollWidth(); |
| if (l.renderBox() && l.renderBox()->clientHeight() != l.scrollHeight()) |
| ts << " scrollHeight " << l.scrollHeight(); |
| } |
| |
| if (paintPhase == LayerPaintPhaseBackground) |
| ts << " layerType: background only"; |
| else if (paintPhase == LayerPaintPhaseForeground) |
| ts << " layerType: foreground only"; |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| if (behavior & RenderAsTextShowCompositedLayers) { |
| if (l.isComposited()) |
| ts << " (composited, bounds " << l.backing()->compositedBounds() << ")"; |
| } |
| #else |
| UNUSED_PARAM(behavior); |
| #endif |
| |
| ts << "\n"; |
| |
| if (paintPhase != LayerPaintPhaseBackground) |
| write(ts, *l.renderer(), indent + 1, behavior); |
| } |
| |
| static void writeLayers(TextStream& ts, const RenderLayer* rootLayer, RenderLayer* l, |
| const IntRect& paintRect, int indent, RenderAsTextBehavior behavior) |
| { |
| // FIXME: Apply overflow to the root layer to not break every test. Complete hack. Sigh. |
| IntRect paintDirtyRect(paintRect); |
| if (rootLayer == l) { |
| paintDirtyRect.setWidth(max(paintDirtyRect.width(), rootLayer->renderBox()->maxXLayoutOverflow())); |
| paintDirtyRect.setHeight(max(paintDirtyRect.height(), rootLayer->renderBox()->maxYLayoutOverflow())); |
| l->setWidth(max(l->width(), l->renderBox()->maxXLayoutOverflow())); |
| l->setHeight(max(l->height(), l->renderBox()->maxYLayoutOverflow())); |
| } |
| |
| // Calculate the clip rects we should use. |
| IntRect layerBounds, damageRect, clipRectToApply, outlineRect; |
| l->calculateRects(rootLayer, paintDirtyRect, layerBounds, damageRect, clipRectToApply, outlineRect, true); |
| |
| // Ensure our lists are up-to-date. |
| l->updateZOrderLists(); |
| l->updateNormalFlowList(); |
| |
| bool shouldPaint = (behavior & RenderAsTextShowAllLayers) ? true : l->intersectsDamageRect(layerBounds, damageRect, rootLayer); |
| Vector<RenderLayer*>* negList = l->negZOrderList(); |
| bool paintsBackgroundSeparately = negList && negList->size() > 0; |
| if (shouldPaint && paintsBackgroundSeparately) |
| write(ts, *l, layerBounds, damageRect, clipRectToApply, outlineRect, LayerPaintPhaseBackground, indent, behavior); |
| |
| if (negList) { |
| int currIndent = indent; |
| if (behavior & RenderAsTextShowLayerNesting) { |
| writeIndent(ts, indent); |
| ts << " negative z-order list(" << negList->size() << ")\n"; |
| ++currIndent; |
| } |
| for (unsigned i = 0; i != negList->size(); ++i) |
| writeLayers(ts, rootLayer, negList->at(i), paintDirtyRect, currIndent, behavior); |
| } |
| |
| if (shouldPaint) |
| write(ts, *l, layerBounds, damageRect, clipRectToApply, outlineRect, paintsBackgroundSeparately ? LayerPaintPhaseForeground : LayerPaintPhaseAll, indent, behavior); |
| |
| if (Vector<RenderLayer*>* normalFlowList = l->normalFlowList()) { |
| int currIndent = indent; |
| if (behavior & RenderAsTextShowLayerNesting) { |
| writeIndent(ts, indent); |
| ts << " normal flow list(" << normalFlowList->size() << ")\n"; |
| ++currIndent; |
| } |
| for (unsigned i = 0; i != normalFlowList->size(); ++i) |
| writeLayers(ts, rootLayer, normalFlowList->at(i), paintDirtyRect, currIndent, behavior); |
| } |
| |
| if (Vector<RenderLayer*>* posList = l->posZOrderList()) { |
| int currIndent = indent; |
| if (behavior & RenderAsTextShowLayerNesting) { |
| writeIndent(ts, indent); |
| ts << " positive z-order list(" << posList->size() << ")\n"; |
| ++currIndent; |
| } |
| for (unsigned i = 0; i != posList->size(); ++i) |
| writeLayers(ts, rootLayer, posList->at(i), paintDirtyRect, currIndent, behavior); |
| } |
| } |
| |
| static String nodePosition(Node* node) |
| { |
| String result; |
| |
| Element* body = node->document()->body(); |
| Node* parent; |
| for (Node* n = node; n; n = parent) { |
| parent = n->parentOrHostNode(); |
| if (n != node) |
| result += " of "; |
| if (parent) { |
| if (body && n == body) { |
| // We don't care what offset body may be in the document. |
| result += "body"; |
| break; |
| } |
| if (n->isShadowBoundary()) |
| result += "{" + getTagName(n) + "}"; |
| else |
| result += "child " + String::number(n->nodeIndex()) + " {" + getTagName(n) + "}"; |
| } else |
| result += "document"; |
| } |
| |
| return result; |
| } |
| |
| static void writeSelection(TextStream& ts, const RenderObject* o) |
| { |
| Node* n = o->node(); |
| if (!n || !n->isDocumentNode()) |
| return; |
| |
| Document* doc = static_cast<Document*>(n); |
| Frame* frame = doc->frame(); |
| if (!frame) |
| return; |
| |
| VisibleSelection selection = frame->selection()->selection(); |
| if (selection.isCaret()) { |
| ts << "caret: position " << selection.start().deprecatedEditingOffset() << " of " << nodePosition(selection.start().deprecatedNode()); |
| if (selection.affinity() == UPSTREAM) |
| ts << " (upstream affinity)"; |
| ts << "\n"; |
| } else if (selection.isRange()) |
| ts << "selection start: position " << selection.start().deprecatedEditingOffset() << " of " << nodePosition(selection.start().deprecatedNode()) << "\n" |
| << "selection end: position " << selection.end().deprecatedEditingOffset() << " of " << nodePosition(selection.end().deprecatedNode()) << "\n"; |
| } |
| |
| String externalRepresentation(Frame* frame, RenderAsTextBehavior behavior) |
| { |
| PrintContext printContext(frame); |
| if (behavior & RenderAsTextPrintingMode) { |
| if (!frame->contentRenderer()) |
| return String(); |
| printContext.begin(frame->contentRenderer()->width()); |
| } |
| |
| if (!(behavior & RenderAsTextDontUpdateLayout)) |
| frame->document()->updateLayout(); |
| |
| RenderObject* o = frame->contentRenderer(); |
| if (!o) |
| return String(); |
| |
| TextStream ts; |
| if (o->hasLayer()) { |
| RenderLayer* l = toRenderBox(o)->layer(); |
| writeLayers(ts, l, l, IntRect(l->x(), l->y(), l->width(), l->height()), 0, behavior); |
| writeSelection(ts, o); |
| } |
| return ts.release(); |
| } |
| |
| static void writeCounterValuesFromChildren(TextStream& stream, RenderObject* parent, bool& isFirstCounter) |
| { |
| for (RenderObject* child = parent->firstChild(); child; child = child->nextSibling()) { |
| if (child->isCounter()) { |
| if (!isFirstCounter) |
| stream << " "; |
| isFirstCounter = false; |
| String str(toRenderText(child)->text()); |
| stream << str; |
| } |
| } |
| } |
| |
| String counterValueForElement(Element* element) |
| { |
| // Make sure the element is not freed during the layout. |
| RefPtr<Element> elementRef(element); |
| element->document()->updateLayout(); |
| TextStream stream; |
| bool isFirstCounter = true; |
| // The counter renderers should be children of :before or :after pseudo-elements. |
| if (RenderObject* renderer = element->renderer()) { |
| if (RenderObject* pseudoElement = renderer->beforePseudoElementRenderer()) |
| writeCounterValuesFromChildren(stream, pseudoElement, isFirstCounter); |
| if (RenderObject* pseudoElement = renderer->afterPseudoElementRenderer()) |
| writeCounterValuesFromChildren(stream, pseudoElement, isFirstCounter); |
| } |
| return stream.release(); |
| } |
| |
| String markerTextForListItem(Element* element) |
| { |
| // Make sure the element is not freed during the layout. |
| RefPtr<Element> elementRef(element); |
| element->document()->updateLayout(); |
| |
| RenderObject* renderer = element->renderer(); |
| if (!renderer || !renderer->isListItem()) |
| return String(); |
| |
| return toRenderListItem(renderer)->markerText(); |
| } |
| |
| } // namespace WebCore |
