Bug 946065 - Part 11: Move content/html/ to dom/ and flatten subdirectories. r=peterv
This commit is contained in:
Birunthan Mohanathas
383
dom/html/HTMLFrameSetElement.cpp
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383
dom/html/HTMLFrameSetElement.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HTMLFrameSetElement.h"
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#include "mozilla/dom/HTMLFrameSetElementBinding.h"
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#include "mozilla/dom/EventHandlerBinding.h"
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#include "nsGlobalWindow.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(FrameSet)
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namespace mozilla {
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namespace dom {
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HTMLFrameSetElement::~HTMLFrameSetElement()
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{
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}
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JSObject*
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HTMLFrameSetElement::WrapNode(JSContext *aCx)
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{
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return HTMLFrameSetElementBinding::Wrap(aCx, this);
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}
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NS_IMPL_ISUPPORTS_INHERITED(HTMLFrameSetElement, nsGenericHTMLElement,
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nsIDOMHTMLFrameSetElement)
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NS_IMPL_ELEMENT_CLONE(HTMLFrameSetElement)
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NS_IMETHODIMP
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HTMLFrameSetElement::SetCols(const nsAString& aCols)
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{
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ErrorResult rv;
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SetCols(aCols, rv);
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return rv.ErrorCode();
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}
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NS_IMETHODIMP
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HTMLFrameSetElement::GetCols(nsAString& aCols)
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{
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nsString cols;
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GetCols(cols);
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aCols = cols;
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLFrameSetElement::SetRows(const nsAString& aRows)
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{
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ErrorResult rv;
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SetRows(aRows, rv);
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return rv.ErrorCode();
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}
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NS_IMETHODIMP
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HTMLFrameSetElement::GetRows(nsAString& aRows)
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{
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nsString rows;
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GetRows(rows);
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aRows = rows;
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return NS_OK;
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}
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nsresult
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HTMLFrameSetElement::SetAttr(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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nsIAtom* aPrefix,
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const nsAString& aValue,
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bool aNotify)
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{
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nsresult rv;
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/* The main goal here is to see whether the _number_ of rows or
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* columns has changed. If it has, we need to reframe; otherwise
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* we want to reflow. So we set mCurrentRowColHint here, then call
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* nsGenericHTMLElement::SetAttr, which will end up calling
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* GetAttributeChangeHint and notifying layout with that hint.
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* Once nsGenericHTMLElement::SetAttr returns, we want to go back to our
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* normal hint, which is NS_STYLE_HINT_REFLOW.
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*/
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if (aAttribute == nsGkAtoms::rows && aNameSpaceID == kNameSpaceID_None) {
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int32_t oldRows = mNumRows;
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ParseRowCol(aValue, mNumRows, getter_Transfers(mRowSpecs));
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if (mNumRows != oldRows) {
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mCurrentRowColHint = NS_STYLE_HINT_FRAMECHANGE;
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}
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} else if (aAttribute == nsGkAtoms::cols &&
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aNameSpaceID == kNameSpaceID_None) {
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int32_t oldCols = mNumCols;
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ParseRowCol(aValue, mNumCols, getter_Transfers(mColSpecs));
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if (mNumCols != oldCols) {
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mCurrentRowColHint = NS_STYLE_HINT_FRAMECHANGE;
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}
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}
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rv = nsGenericHTMLElement::SetAttr(aNameSpaceID, aAttribute, aPrefix,
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aValue, aNotify);
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mCurrentRowColHint = NS_STYLE_HINT_REFLOW;
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return rv;
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}
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nsresult
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HTMLFrameSetElement::GetRowSpec(int32_t *aNumValues,
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const nsFramesetSpec** aSpecs)
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{
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NS_PRECONDITION(aNumValues, "Must have a pointer to an integer here!");
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NS_PRECONDITION(aSpecs, "Must have a pointer to an array of nsFramesetSpecs");
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*aNumValues = 0;
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*aSpecs = nullptr;
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if (!mRowSpecs) {
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const nsAttrValue* value = GetParsedAttr(nsGkAtoms::rows);
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if (value && value->Type() == nsAttrValue::eString) {
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nsresult rv = ParseRowCol(value->GetStringValue(), mNumRows,
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getter_Transfers(mRowSpecs));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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if (!mRowSpecs) { // we may not have had an attr or had an empty attr
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mRowSpecs = new nsFramesetSpec[1];
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mNumRows = 1;
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mRowSpecs[0].mUnit = eFramesetUnit_Relative;
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mRowSpecs[0].mValue = 1;
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}
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}
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*aSpecs = mRowSpecs;
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*aNumValues = mNumRows;
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return NS_OK;
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}
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nsresult
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HTMLFrameSetElement::GetColSpec(int32_t *aNumValues,
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const nsFramesetSpec** aSpecs)
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{
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NS_PRECONDITION(aNumValues, "Must have a pointer to an integer here!");
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NS_PRECONDITION(aSpecs, "Must have a pointer to an array of nsFramesetSpecs");
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*aNumValues = 0;
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*aSpecs = nullptr;
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if (!mColSpecs) {
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const nsAttrValue* value = GetParsedAttr(nsGkAtoms::cols);
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if (value && value->Type() == nsAttrValue::eString) {
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nsresult rv = ParseRowCol(value->GetStringValue(), mNumCols,
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getter_Transfers(mColSpecs));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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if (!mColSpecs) { // we may not have had an attr or had an empty attr
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mColSpecs = new nsFramesetSpec[1];
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mNumCols = 1;
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mColSpecs[0].mUnit = eFramesetUnit_Relative;
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mColSpecs[0].mValue = 1;
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}
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}
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*aSpecs = mColSpecs;
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*aNumValues = mNumCols;
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return NS_OK;
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}
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bool
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HTMLFrameSetElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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if (aNamespaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::bordercolor) {
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return aResult.ParseColor(aValue);
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}
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if (aAttribute == nsGkAtoms::frameborder) {
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return nsGenericHTMLElement::ParseFrameborderValue(aValue, aResult);
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}
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if (aAttribute == nsGkAtoms::border) {
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return aResult.ParseIntWithBounds(aValue, 0, 100);
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}
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}
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return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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nsChangeHint
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HTMLFrameSetElement::GetAttributeChangeHint(const nsIAtom* aAttribute,
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int32_t aModType) const
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{
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nsChangeHint retval =
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nsGenericHTMLElement::GetAttributeChangeHint(aAttribute, aModType);
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if (aAttribute == nsGkAtoms::rows ||
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aAttribute == nsGkAtoms::cols) {
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NS_UpdateHint(retval, mCurrentRowColHint);
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}
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return retval;
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}
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/**
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* Translate a "rows" or "cols" spec into an array of nsFramesetSpecs
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*/
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nsresult
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HTMLFrameSetElement::ParseRowCol(const nsAString & aValue,
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int32_t& aNumSpecs,
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nsFramesetSpec** aSpecs)
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{
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if (aValue.IsEmpty()) {
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aNumSpecs = 0;
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*aSpecs = nullptr;
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return NS_OK;
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}
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static const char16_t sAster('*');
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static const char16_t sPercent('%');
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static const char16_t sComma(',');
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nsAutoString spec(aValue);
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// remove whitespace (Bug 33699) and quotation marks (bug 224598)
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// also remove leading/trailing commas (bug 31482)
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spec.StripChars(" \n\r\t\"\'");
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spec.Trim(",");
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// Count the commas. Don't count more than X commas (bug 576447).
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static_assert(NS_MAX_FRAMESET_SPEC_COUNT * sizeof(nsFramesetSpec) < (1 << 30),
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"Too many frameset specs allowed to allocate");
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int32_t commaX = spec.FindChar(sComma);
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int32_t count = 1;
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while (commaX != kNotFound && count < NS_MAX_FRAMESET_SPEC_COUNT) {
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count++;
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commaX = spec.FindChar(sComma, commaX + 1);
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}
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static const fallible_t fallible = fallible_t();
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nsFramesetSpec* specs = new (fallible) nsFramesetSpec[count];
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if (!specs) {
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*aSpecs = nullptr;
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aNumSpecs = 0;
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// Pre-grab the compat mode; we may need it later in the loop.
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bool isInQuirks = InNavQuirksMode(OwnerDoc());
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// Parse each comma separated token
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int32_t start = 0;
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int32_t specLen = spec.Length();
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for (int32_t i = 0; i < count; i++) {
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// Find our comma
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commaX = spec.FindChar(sComma, start);
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NS_ASSERTION(i == count - 1 || commaX != kNotFound,
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"Failed to find comma, somehow");
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int32_t end = (commaX == kNotFound) ? specLen : commaX;
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// Note: If end == start then it means that the token has no
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// data in it other than a terminating comma (or the end of the spec).
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// So default to a fixed width of 0.
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specs[i].mUnit = eFramesetUnit_Fixed;
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specs[i].mValue = 0;
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if (end > start) {
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int32_t numberEnd = end;
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char16_t ch = spec.CharAt(numberEnd - 1);
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if (sAster == ch) {
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specs[i].mUnit = eFramesetUnit_Relative;
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numberEnd--;
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} else if (sPercent == ch) {
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specs[i].mUnit = eFramesetUnit_Percent;
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numberEnd--;
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// check for "*%"
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if (numberEnd > start) {
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ch = spec.CharAt(numberEnd - 1);
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if (sAster == ch) {
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specs[i].mUnit = eFramesetUnit_Relative;
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numberEnd--;
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}
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}
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}
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// Translate value to an integer
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nsAutoString token;
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spec.Mid(token, start, numberEnd - start);
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// Treat * as 1*
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if ((eFramesetUnit_Relative == specs[i].mUnit) &&
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(0 == token.Length())) {
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specs[i].mValue = 1;
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}
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else {
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// Otherwise just convert to integer.
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nsresult err;
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specs[i].mValue = token.ToInteger(&err);
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if (NS_FAILED(err)) {
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specs[i].mValue = 0;
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}
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}
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// Treat 0* as 1* in quirks mode (bug 40383)
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if (isInQuirks) {
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if ((eFramesetUnit_Relative == specs[i].mUnit) &&
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(0 == specs[i].mValue)) {
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specs[i].mValue = 1;
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}
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}
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// Catch zero and negative frame sizes for Nav compatibility
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// Nav resized absolute and relative frames to "1" and
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// percent frames to an even percentage of the width
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//
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//if (isInQuirks && (specs[i].mValue <= 0)) {
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// if (eFramesetUnit_Percent == specs[i].mUnit) {
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// specs[i].mValue = 100 / count;
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// } else {
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// specs[i].mValue = 1;
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// }
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//} else {
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// In standards mode, just set negative sizes to zero
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if (specs[i].mValue < 0) {
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specs[i].mValue = 0;
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}
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start = end + 1;
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}
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}
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aNumSpecs = count;
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// Transfer ownership to caller here
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*aSpecs = specs;
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return NS_OK;
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}
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bool
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HTMLFrameSetElement::IsEventAttributeName(nsIAtom *aName)
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{
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return nsContentUtils::IsEventAttributeName(aName,
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EventNameType_HTML |
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EventNameType_HTMLBodyOrFramesetOnly);
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}
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#define EVENT(name_, id_, type_, struct_) /* nothing; handled by the shim */
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// nsGenericHTMLElement::GetOnError returns
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// already_AddRefed<EventHandlerNonNull> while other getters return
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// EventHandlerNonNull*, so allow passing in the type to use here.
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#define WINDOW_EVENT_HELPER(name_, type_) \
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type_* \
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HTMLFrameSetElement::GetOn##name_() \
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{ \
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nsPIDOMWindow* win = OwnerDoc()->GetInnerWindow(); \
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if (win) { \
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nsCOMPtr<nsISupports> supports = do_QueryInterface(win); \
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nsGlobalWindow* globalWin = nsGlobalWindow::FromSupports(supports); \
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return globalWin->GetOn##name_(); \
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} \
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return nullptr; \
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} \
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void \
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HTMLFrameSetElement::SetOn##name_(type_* handler) \
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{ \
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nsPIDOMWindow* win = OwnerDoc()->GetInnerWindow(); \
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if (!win) { \
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return; \
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} \
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\
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nsCOMPtr<nsISupports> supports = do_QueryInterface(win); \
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nsGlobalWindow* globalWin = nsGlobalWindow::FromSupports(supports); \
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return globalWin->SetOn##name_(handler); \
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}
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#define WINDOW_EVENT(name_, id_, type_, struct_) \
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WINDOW_EVENT_HELPER(name_, EventHandlerNonNull)
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#define BEFOREUNLOAD_EVENT(name_, id_, type_, struct_) \
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WINDOW_EVENT_HELPER(name_, OnBeforeUnloadEventHandlerNonNull)
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#include "mozilla/EventNameList.h" // IWYU pragma: keep
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#undef BEFOREUNLOAD_EVENT
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#undef WINDOW_EVENT
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#undef WINDOW_EVENT_HELPER
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#undef EVENT
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} // namespace dom
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} // namespace mozilla
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Block a user