void 
nsPageFrame::ProcessSpecialCodes(const nsString& aStr, nsString& aNewStr)
{

  aNewStr = aStr;

  // Search to see if the &D code is in the string 
  // then subst in the current date/time
  NS_NAMED_LITERAL_STRING(kDate, "&D");
  if (aStr.Find(kDate) != kNotFound) {
    if (mPD->mDateTimeStr != nsnull) {
      aNewStr.ReplaceSubstring(kDate.get(), mPD->mDateTimeStr);
    } else {
      aNewStr.ReplaceSubstring(kDate.get(), EmptyString().get());
    }
  }

  // NOTE: Must search for &PT before searching for &P
  //
  // Search to see if the "page number and page" total code are in the string
  // and replace the page number and page total code with the actual
  // values
  NS_NAMED_LITERAL_STRING(kPageAndTotal, "&PT");
  if (aStr.Find(kPageAndTotal) != kNotFound) {
    PRUnichar * uStr = nsTextFormatter::smprintf(mPD->mPageNumAndTotalsFormat, mPageNum, mTotNumPages);
    aNewStr.ReplaceSubstring(kPageAndTotal.get(), uStr);
    nsMemory::Free(uStr);
  }

  // Search to see if the page number code is in the string
  // and replace the page number code with the actual value
  NS_NAMED_LITERAL_STRING(kPage, "&P");
  if (aStr.Find(kPage) != kNotFound) {
    PRUnichar * uStr = nsTextFormatter::smprintf(mPD->mPageNumFormat, mPageNum);
    aNewStr.ReplaceSubstring(kPage.get(), uStr);
    nsMemory::Free(uStr);
  }

  NS_NAMED_LITERAL_STRING(kTitle, "&T");
  if (aStr.Find(kTitle) != kNotFound) {
    if (mPD->mDocTitle != nsnull) {
      aNewStr.ReplaceSubstring(kTitle.get(), mPD->mDocTitle);
    } else {
      aNewStr.ReplaceSubstring(kTitle.get(), EmptyString().get());
    }
  }

  NS_NAMED_LITERAL_STRING(kDocURL, "&U");
  if (aStr.Find(kDocURL) != kNotFound) {
    if (mPD->mDocURL != nsnull) {
      aNewStr.ReplaceSubstring(kDocURL.get(), mPD->mDocURL);
    } else {
      aNewStr.ReplaceSubstring(kDocURL.get(), EmptyString().get());
    }
  }

  NS_NAMED_LITERAL_STRING(kPageTotal, "&L");
  if (aStr.Find(kPageTotal) != kNotFound) {
    PRUnichar * uStr = nsTextFormatter::smprintf(mPD->mPageNumFormat, mTotNumPages);
    aNewStr.ReplaceSubstring(kPageTotal.get(), uStr);
    nsMemory::Free(uStr);
  }
}

void 
MediaDocument::UpdateTitleAndCharset(const nsACString& aTypeStr,
                                     const char* const* aFormatNames,
                                     int32_t aWidth, int32_t aHeight,
                                     const nsAString& aStatus)
{
  nsXPIDLString fileStr;
  GetFileName(fileStr);

  NS_ConvertASCIItoUTF16 typeStr(aTypeStr);
  nsXPIDLString title;

  if (mStringBundle) {
    // if we got a valid size (not all media have a size)
    if (aWidth != 0 && aHeight != 0) {
      nsAutoString widthStr;
      nsAutoString heightStr;
      widthStr.AppendInt(aWidth);
      heightStr.AppendInt(aHeight);
      // If we got a filename, display it
      if (!fileStr.IsEmpty()) {
        const char16_t *formatStrings[4]  = {fileStr.get(), typeStr.get(), 
          widthStr.get(), heightStr.get()};
        NS_ConvertASCIItoUTF16 fmtName(aFormatNames[eWithDimAndFile]);
        mStringBundle->FormatStringFromName(fmtName.get(), formatStrings, 4,
                                            getter_Copies(title));
      } 
      else {
        const char16_t *formatStrings[3]  = {typeStr.get(), widthStr.get(), 
          heightStr.get()};
        NS_ConvertASCIItoUTF16 fmtName(aFormatNames[eWithDim]);
        mStringBundle->FormatStringFromName(fmtName.get(), formatStrings, 3,
                                            getter_Copies(title));
      }
    } 
    else {
    // If we got a filename, display it
      if (!fileStr.IsEmpty()) {
        const char16_t *formatStrings[2] = {fileStr.get(), typeStr.get()};
        NS_ConvertASCIItoUTF16 fmtName(aFormatNames[eWithFile]);
        mStringBundle->FormatStringFromName(fmtName.get(), formatStrings, 2,
                                            getter_Copies(title));
      }
      else {
        const char16_t *formatStrings[1] = {typeStr.get()};
        NS_ConvertASCIItoUTF16 fmtName(aFormatNames[eWithNoInfo]);
        mStringBundle->FormatStringFromName(fmtName.get(), formatStrings, 1,
                                            getter_Copies(title));
      }
    }
  } 

  // set it on the document
  if (aStatus.IsEmpty()) {
    SetTitle(title);
  }
  else {
    nsXPIDLString titleWithStatus;
    const nsPromiseFlatString& status = PromiseFlatString(aStatus);
    const char16_t *formatStrings[2] = {title.get(), status.get()};
    NS_NAMED_LITERAL_STRING(fmtName, "TitleWithStatus");
    mStringBundle->FormatStringFromName(fmtName.get(), formatStrings, 2,
                                        getter_Copies(titleWithStatus));
    SetTitle(titleWithStatus);
  }
}

Maybe<bool>
Compatibility::OnUIAMessage(WPARAM aWParam, LPARAM aLParam)
{
  auto clearUiaRemotePid = MakeScopeExit([]() {
    sUiaRemotePid = Nothing();
  });

  Telemetry::AutoTimer<Telemetry::A11Y_UIA_DETECTION_TIMING_MS> timer;

  // UIA creates a section containing the substring "HOOK_SHMEM_"
  NS_NAMED_LITERAL_STRING(kStrHookShmem, "HOOK_SHMEM_");

  // The section name always ends with this suffix, which is derived from the
  // current thread id and the UIA message's WPARAM and LPARAM.
  nsAutoString partialSectionSuffix;
  partialSectionSuffix.AppendPrintf("_%08x_%08x_%08x", ::GetCurrentThreadId(),
                                    static_cast<DWORD>(aLParam), aWParam);

  // Find any named Section that matches the naming convention of the UIA shared
  // memory.
  nsAutoHandle section;
  auto comparator = [&](const nsDependentSubstring& aName,
                        const nsDependentSubstring& aType) -> bool {
    if (aType.Equals(NS_LITERAL_STRING("Section")) &&
        FindInReadable(kStrHookShmem, aName) &&
        StringEndsWith(aName, partialSectionSuffix)) {
      section.own(::OpenFileMapping(GENERIC_READ, FALSE,
                                    PromiseFlatString(aName).get()));
      return false;
    }

    return true;
  };

  if (!FindNamedObject(comparator) || !section) {
    return Nothing();
  }

  NTSTATUS ntStatus;

  // First we must query for a list of all the open handles in the system.
  UniquePtr<char[]> handleInfoBuf;
  ULONG handleInfoBufLen = sizeof(SYSTEM_HANDLE_INFORMATION_EX) +
                           1024 * sizeof(SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX);

  // We must query for handle information in a loop, since we are effectively
  // asking the kernel to take a snapshot of all the handles on the system;
  // the size of the required buffer may fluctuate between successive calls.
  while (true) {
    // These allocations can be hundreds of megabytes on some computers, so
    // we should use fallible new here.
    handleInfoBuf = MakeUniqueFallible<char[]>(handleInfoBufLen);
    if (!handleInfoBuf) {
      return Nothing();
    }

    ntStatus = ::NtQuerySystemInformation(
                 (SYSTEM_INFORMATION_CLASS) SystemExtendedHandleInformation,
                 handleInfoBuf.get(), handleInfoBufLen, &handleInfoBufLen);
    if (ntStatus == STATUS_INFO_LENGTH_MISMATCH) {
      continue;
    }

    if (!NT_SUCCESS(ntStatus)) {
      return Nothing();
    }

    break;
  }

  const DWORD ourPid = ::GetCurrentProcessId();
  Maybe<PVOID> kernelObject;
  static Maybe<USHORT> sectionObjTypeIndex;
  nsTHashtable<nsUint32HashKey> nonSectionObjTypes;
  nsDataHashtable<nsVoidPtrHashKey, DWORD> objMap;

  auto handleInfo = reinterpret_cast<SYSTEM_HANDLE_INFORMATION_EX*>(handleInfoBuf.get());

  for (ULONG index = 0; index < handleInfo->mHandleCount; ++index) {
    SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX& curHandle = handleInfo->mHandles[index];

    HANDLE handle = reinterpret_cast<HANDLE>(curHandle.mHandle);

    // The mapping of the curHandle.mObjectTypeIndex field depends on the
    // underlying OS kernel. As we scan through the handle list, we record the
    // type indices such that we may use those values to skip over handles that
    // refer to non-section objects.
    if (sectionObjTypeIndex) {
      // If we know the type index for Sections, that's the fastest check...
      if (sectionObjTypeIndex.value() != curHandle.mObjectTypeIndex) {
        // Not a section
        continue;
      }
    } else if (nonSectionObjTypes.Contains(static_cast<uint32_t>(
                                             curHandle.mObjectTypeIndex))) {
      // Otherwise we check whether or not the object type is definitely _not_
      // a Section...
      continue;
    } else if (ourPid == curHandle.mPid) {
      // Otherwise we need to issue some system calls to find out the object
//.........这里部分代码省略.........

nsresult nsCollationUnix::Initialize(nsILocale* locale) 
{
#define kPlatformLocaleLength 64
  NS_ASSERTION(mCollation == NULL, "Should only be initialized once");

  nsresult res;

  mCollation = new nsCollation;
  if (mCollation == NULL) {
    NS_ASSERTION(0, "mCollation creation failed");
    return NS_ERROR_OUT_OF_MEMORY;
  }

  // default platform locale
  mLocale.Assign('C');

  nsAutoString localeStr;
  NS_NAMED_LITERAL_STRING(aCategory, "NSILOCALE_COLLATE##PLATFORM");

  // get locale string, use app default if no locale specified
  if (locale == nsnull) {
    nsCOMPtr<nsILocaleService> localeService = 
             do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
    if (NS_SUCCEEDED(res)) {
      nsCOMPtr<nsILocale> appLocale;
      res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
      if (NS_SUCCEEDED(res)) {
        res = appLocale->GetCategory(aCategory, localeStr);
        NS_ASSERTION(NS_SUCCEEDED(res), "failed to get app locale info");
      }
    }
  }
  else {
    res = locale->GetCategory(aCategory, localeStr);
    NS_ASSERTION(NS_SUCCEEDED(res), "failed to get locale info");
  }

  // Get platform locale and charset name from locale, if available
  if (NS_SUCCEEDED(res)) {
    // keep the same behavior as 4.x as well as avoiding Linux collation key problem
    if (localeStr.LowerCaseEqualsLiteral("en_us")) { // note: locale is in platform format
      localeStr.AssignLiteral("C");
    }

    nsCOMPtr <nsIPosixLocale> posixLocale = do_GetService(NS_POSIXLOCALE_CONTRACTID, &res);
    if (NS_SUCCEEDED(res)) {
      res = posixLocale->GetPlatformLocale(localeStr, mLocale);
    }

    nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &res);
    if (NS_SUCCEEDED(res)) {
      nsCAutoString mappedCharset;
      res = platformCharset->GetDefaultCharsetForLocale(localeStr, mappedCharset);
      if (NS_SUCCEEDED(res)) {
        mCollation->SetCharset(mappedCharset.get());
      }
    }
  }

  return NS_OK;
}

static bool test_comparisons()
{
  bool result;

  // nsString

  NS_NAMED_LITERAL_STRING(shortString1, "Foo");
  NS_NAMED_LITERAL_STRING(shortString2, "Bar");
  NS_NAMED_LITERAL_STRING(shortString3, "Bar");
  NS_NAMED_LITERAL_STRING(shortString4, "bar");
  NS_NAMED_LITERAL_STRING(longString, "FooBar");

  // ==

  result = (shortString1 == shortString2);
  if (result)
    return false;

  result = (shortString2 == shortString3);
  if (!result)
    return false;

  result = (shortString3 == shortString4);
  if (result)
    return false;

  result = (shortString1 == longString);
  if (result)
    return false;

  result = (longString == shortString1);
  if (result)
    return false;

  // !=

  result = (shortString1 != shortString2);
  if (!result)
    return false;

  result = (shortString2 != shortString3);
  if (result)
    return false;

  result = (shortString3 != shortString4);
  if (!result)
    return false;

  result = (shortString1 != longString);
  if (!result)
    return false;

  result = (longString != shortString1);
  if (!result)
    return false;

  // <

  result = (shortString1 < shortString2);
  if (result)
    return false;

  result = (shortString2 < shortString1);
  if (!result)
    return false;

  result = (shortString1 < longString);
  if (!result)
    return false;

  result = (longString < shortString1);
  if (result)
    return false;

  result = (shortString2 < shortString3);
  if (result)
    return false;

  result = (shortString3 < shortString4);
  if (!result)
    return false;

  result = (shortString4 < shortString3);
  if (result)
    return false;

  // <=

  result = (shortString1 <= shortString2);
  if (result)
    return false;

  result = (shortString2 <= shortString1);
  if (!result)
    return false;

  result = (shortString1 <= longString);
  if (!result)
    return false;

//.........这里部分代码省略.........

//.........这里部分代码省略.........
          NS_STYLE_UNICODE_BIDI_PLAINTEXT,
          aResult);
      }
    }
    else {
      const nsAFlatCString& name = nsCSSProps::LookupPropertyValue(aProperty, GetIntValue());
      AppendASCIItoUTF16(name, aResult);
    }
  }
  else if (eCSSUnit_EnumColor == unit) {
    // we can lookup the property in the ColorTable and then
    // get a string mapping the name
    nsCAutoString str;
    if (nsCSSProps::GetColorName(GetIntValue(), str)){
      AppendASCIItoUTF16(str, aResult);
    } else {
      NS_ABORT_IF_FALSE(false, "bad color value");
    }
  }
  else if (eCSSUnit_Color == unit) {
    nscolor color = GetColorValue();
    if (color == NS_RGBA(0, 0, 0, 0)) {
      // Use the strictest match for 'transparent' so we do correct
      // round-tripping of all other rgba() values.
      aResult.AppendLiteral("transparent");
    } else {
      PRUint8 a = NS_GET_A(color);
      if (a < 255) {
        aResult.AppendLiteral("rgba(");
      } else {
        aResult.AppendLiteral("rgb(");
      }

      NS_NAMED_LITERAL_STRING(comma, ", ");

      aResult.AppendInt(NS_GET_R(color), 10);
      aResult.Append(comma);
      aResult.AppendInt(NS_GET_G(color), 10);
      aResult.Append(comma);
      aResult.AppendInt(NS_GET_B(color), 10);
      if (a < 255) {
        aResult.Append(comma);
        aResult.AppendFloat(nsStyleUtil::ColorComponentToFloat(a));
      }
      aResult.Append(PRUnichar(')'));
    }
  }
  else if (eCSSUnit_URL == unit || eCSSUnit_Image == unit) {
    aResult.Append(NS_LITERAL_STRING("url("));
    nsStyleUtil::AppendEscapedCSSString(
      nsDependentString(GetOriginalURLValue()), aResult);
    aResult.Append(NS_LITERAL_STRING(")"));
  }
  else if (eCSSUnit_Element == unit) {
    aResult.Append(NS_LITERAL_STRING("-moz-element(#"));
    nsAutoString tmpStr;
    GetStringValue(tmpStr);
    nsStyleUtil::AppendEscapedCSSIdent(tmpStr, aResult);
    aResult.Append(NS_LITERAL_STRING(")"));
  }
  else if (eCSSUnit_Percent == unit) {
    aResult.AppendFloat(GetPercentValue() * 100.0f);
  }
  else if (eCSSUnit_Percent < unit) {  // length unit
    aResult.AppendFloat(GetFloatValue());
  }

NS_INTERFACE_MAP_END


// nsIDOMCSSValue


NS_IMETHODIMP
nsROCSSPrimitiveValue::GetCssText(nsAString& aCssText)
{
  nsAutoString tmpStr;
  aCssText.Truncate();
  nsresult result = NS_OK;

  switch (mType) {
    case CSS_PX :
      {
        float val = nsPresContext::AppUnitsToFloatCSSPixels(mValue.mAppUnits);
        tmpStr.AppendFloat(val);
        tmpStr.AppendLiteral("px");
        break;
      }
    case CSS_IDENT :
      {
        AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(mValue.mKeyword),
                          tmpStr);
        break;
      }
    case CSS_STRING :
    case CSS_COUNTER : /* FIXME: COUNTER should use an object */
      {
        tmpStr.Append(mValue.mString);
        break;
      }
    case CSS_URI :
      {
        if (mValue.mURI) {
          nsCAutoString specUTF8;
          mValue.mURI->GetSpec(specUTF8);

          tmpStr.AssignLiteral("url(");
          nsStyleUtil::AppendEscapedCSSString(NS_ConvertUTF8toUTF16(specUTF8),
                                              tmpStr);
          tmpStr.AppendLiteral(")");
        } else {
          // XXXldb Any better ideas?  It's good to have something that
          // doesn't parse so that things round-trip "correctly".
          tmpStr.Assign(NS_LITERAL_STRING("url(invalid-url:)"));
        }
        break;
      }
    case CSS_ATTR :
      {
        tmpStr.AppendLiteral("attr(");
        tmpStr.Append(mValue.mString);
        tmpStr.Append(PRUnichar(')'));
        break;
      }
    case CSS_PERCENTAGE :
      {
        tmpStr.AppendFloat(mValue.mFloat * 100);
        tmpStr.Append(PRUnichar('%'));
        break;
      }
    case CSS_NUMBER :
      {
        tmpStr.AppendFloat(mValue.mFloat);
        break;
      }
    case CSS_RECT :
      {
        NS_ASSERTION(mValue.mRect, "mValue.mRect should never be null");
        NS_NAMED_LITERAL_STRING(comma, ", ");
        nsCOMPtr<nsIDOMCSSPrimitiveValue> sideCSSValue;
        nsAutoString sideValue;
        tmpStr.AssignLiteral("rect(");
        // get the top
        result = mValue.mRect->GetTop(getter_AddRefs(sideCSSValue));
        if (NS_FAILED(result))
          break;
        result = sideCSSValue->GetCssText(sideValue);
        if (NS_FAILED(result))
          break;
        tmpStr.Append(sideValue + comma);
        // get the right
        result = mValue.mRect->GetRight(getter_AddRefs(sideCSSValue));
        if (NS_FAILED(result))
          break;
        result = sideCSSValue->GetCssText(sideValue);
        if (NS_FAILED(result))
          break;
        tmpStr.Append(sideValue + comma);
        // get the bottom
        result = mValue.mRect->GetBottom(getter_AddRefs(sideCSSValue));
        if (NS_FAILED(result))
          break;
        result = sideCSSValue->GetCssText(sideValue);
        if (NS_FAILED(result))
          break;
        tmpStr.Append(sideValue + comma);
        // get the left
//.........这里部分代码省略.........

NS_IMETHODIMP ChangeCSSInlineStyleTxn::DoTransaction(void)
{
  NS_ASSERTION(mEditor && mElement, "bad state");
  if (!mEditor || !mElement) { return NS_ERROR_NOT_INITIALIZED; }

  nsCOMPtr<nsIDOMElementCSSInlineStyle> inlineStyles = do_QueryInterface(mElement);
  NS_ENSURE_TRUE(inlineStyles, NS_ERROR_NULL_POINTER);

  nsCOMPtr<nsIDOMCSSStyleDeclaration> cssDecl;
  nsresult result = inlineStyles->GetStyle(getter_AddRefs(cssDecl));
  NS_ENSURE_SUCCESS(result, result);
  NS_ENSURE_TRUE(cssDecl, NS_ERROR_NULL_POINTER);

  nsAutoString propertyNameString;
  mProperty->ToString(propertyNameString);

  NS_NAMED_LITERAL_STRING(styleAttr, "style");
  result = mElement->HasAttribute(styleAttr, &mUndoAttributeWasSet);
  NS_ENSURE_SUCCESS(result, result);

  nsAutoString values;
  result = cssDecl->GetPropertyValue(propertyNameString, values);
  NS_ENSURE_SUCCESS(result, result);     
  mUndoValue.Assign(values);

  // does this property accept more than 1 value ?
  // we need to know that because of bug 62682
  bool multiple = AcceptsMoreThanOneValue(mProperty);
  
  if (mRemoveProperty) {
    nsAutoString returnString;
    if (multiple) {
      // the property can have more than one value, let's remove only
      // the value we have to remove and not the others

      // the 2 lines below are a workaround because nsDOMCSSDeclaration::GetPropertyCSSValue
      // is not yet implemented (bug 62682)
      RemoveValueFromListOfValues(values, NS_LITERAL_STRING("none"));
      RemoveValueFromListOfValues(values, mValue);
      if (values.IsEmpty()) {
        result = cssDecl->RemoveProperty(propertyNameString, returnString);
        NS_ENSURE_SUCCESS(result, result);     
      }
      else {
        nsAutoString priority;
        result = cssDecl->GetPropertyPriority(propertyNameString, priority);
        NS_ENSURE_SUCCESS(result, result);     
        result = cssDecl->SetProperty(propertyNameString, values,
                                      priority);
        NS_ENSURE_SUCCESS(result, result);     
      }
    }
    else {
      result = cssDecl->RemoveProperty(propertyNameString, returnString);
      NS_ENSURE_SUCCESS(result, result);     
    }
  }
  else {
    nsAutoString priority;
    result = cssDecl->GetPropertyPriority(propertyNameString, priority);
    NS_ENSURE_SUCCESS(result, result);
    if (multiple) {
      // the property can have more than one value, let's add
      // the value we have to add to the others

      // the line below is a workaround because nsDOMCSSDeclaration::GetPropertyCSSValue
      // is not yet implemented (bug 62682)
      AddValueToMultivalueProperty(values, mValue);
    }
    else
      values.Assign(mValue);
    result = cssDecl->SetProperty(propertyNameString, values,
                                  priority);
    NS_ENSURE_SUCCESS(result, result);     
  }

  // let's be sure we don't keep an empty style attribute
  PRUint32 length;
  result = cssDecl->GetLength(&length);
  NS_ENSURE_SUCCESS(result, result);     
  if (!length) {
    result = mElement->RemoveAttribute(styleAttr);
    NS_ENSURE_SUCCESS(result, result);     
  }
  else
    mRedoAttributeWasSet = true;

  return cssDecl->GetPropertyValue(propertyNameString, mRedoValue);
}

already_AddRefed<Promise>
ServiceWorkerContainer::Register(const nsAString& aScriptURL,
                                 const RegistrationOptions& aOptions,
                                 ErrorResult& aRv)
{
  nsCOMPtr<nsISupports> promise;

  nsCOMPtr<nsIServiceWorkerManager> swm = mozilla::services::GetServiceWorkerManager();
  if (!swm) {
    aRv.Throw(NS_ERROR_FAILURE);
    return nullptr;
  }

  nsCOMPtr<nsIURI> baseURI;

  nsIDocument* doc = GetEntryDocument();
  if (doc) {
    baseURI = doc->GetBaseURI();
  } else {
    // XXXnsm. One of our devtools browser test calls register() from a content
    // script where there is no valid entry document. Use the window to resolve
    // the uri in that case.
    nsCOMPtr<nsPIDOMWindow> window = GetOwner();
    nsCOMPtr<nsPIDOMWindow> outerWindow;
    if (window && (outerWindow = window->GetOuterWindow()) &&
        outerWindow->GetServiceWorkersTestingEnabled()) {
      baseURI = window->GetDocBaseURI();
    }
  }

  nsresult rv;
  nsCOMPtr<nsIURI> scriptURI;
  rv = NS_NewURI(getter_AddRefs(scriptURI), aScriptURL, nullptr, baseURI);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    aRv.ThrowTypeError<MSG_INVALID_URL>(&aScriptURL);
    return nullptr;
  }

  aRv = CheckForSlashEscapedCharsInPath(scriptURI);
  if (NS_WARN_IF(aRv.Failed())) {
    return nullptr;
  }

  // In ServiceWorkerContainer.register() the scope argument is parsed against
  // different base URLs depending on whether it was passed or not.
  nsCOMPtr<nsIURI> scopeURI;

  // Step 4. If none passed, parse against script's URL
  if (!aOptions.mScope.WasPassed()) {
    NS_NAMED_LITERAL_STRING(defaultScope, "./");
    rv = NS_NewURI(getter_AddRefs(scopeURI), defaultScope,
                   nullptr, scriptURI);
    if (NS_WARN_IF(NS_FAILED(rv))) {
      nsAutoCString spec;
      scriptURI->GetSpec(spec);
      NS_ConvertUTF8toUTF16 wSpec(spec);
      aRv.ThrowTypeError<MSG_INVALID_SCOPE>(&defaultScope, &wSpec);
      return nullptr;
    }
  } else {
    // Step 5. Parse against entry settings object's base URL.
    rv = NS_NewURI(getter_AddRefs(scopeURI), aOptions.mScope.Value(),
                   nullptr, baseURI);
    if (NS_WARN_IF(NS_FAILED(rv))) {
      nsAutoCString spec;
      baseURI->GetSpec(spec);
      NS_ConvertUTF8toUTF16 wSpec(spec);
      aRv.ThrowTypeError<MSG_INVALID_SCOPE>(&aOptions.mScope.Value(), &wSpec);
      return nullptr;
    }

    aRv = CheckForSlashEscapedCharsInPath(scopeURI);
    if (NS_WARN_IF(aRv.Failed())) {
      return nullptr;
    }
  }

  // The spec says that the "client" passed to Register() must be the global
  // where the ServiceWorkerContainer was retrieved from.
  aRv = swm->Register(GetOwner(), scopeURI, scriptURI, getter_AddRefs(promise));
  if (NS_WARN_IF(aRv.Failed())) {
    return nullptr;
  }

  RefPtr<Promise> ret = static_cast<Promise*>(promise.get());
  MOZ_ASSERT(ret);
  return ret.forget();
}

void nsScriptPaginator::AdjustNextPageBreak () {
  NS_NAMED_LITERAL_STRING(kClassStr, "class");
  NS_NAMED_LITERAL_STRING(kSoftBreakStr, "softbreak");
  NS_NAMED_LITERAL_STRING(kHardBreakStr, "hardbreak");
  NS_NAMED_LITERAL_STRING(kActStr, "act");
  NS_NAMED_LITERAL_STRING(kDivStr, "div");
  // Allow an extra line per page to accommodate bottom margins
  const PRInt32 kPageHeight = PRInt32(mLineHeight * (mLinesPerPage + 1));

  nsCOMPtr<nsIDOMNode> node = mNextPageStartsAt;
  if (! node) {
    nsCOMPtr<nsIDOMHTMLDocument> hdoc(do_QueryInterface(mScript));
    nsCOMPtr<nsIDOMHTMLElement> body;
    hdoc->GetBody(getter_AddRefs(body));
    if (! body) {
      return;
    }
    body->GetFirstChild(getter_AddRefs(node));
    mCurPageBreakNum = 0;
    if (! node) {
      return;
    }
  }

  nsCOMPtr<nsIDOMNSHTMLElement> element(do_QueryInterface(node));
  if (! element)
    return;

  PRInt32 offset = 0;
  element->GetOffsetTop(&offset);
  PRUint32 pageEnd = PRUint32(offset + kPageHeight);
  nsCOMPtr<nsIDOMNSHTMLElement> innerBreak(nsnull);

  // Adjust for height of page break if we start at one
  nsString className;
  {
    nsCOMPtr<nsIDOMElement> elemnode(do_QueryInterface(node));
    elemnode->GetAttribute(kClassStr, className);
    if (className.Equals(kSoftBreakStr) || className.Equals(kHardBreakStr)) {
      PRInt32 height;
      element->GetClientHeight(&height);
      pageEnd += height;
    }
  }

  // Basic strategy:
  // 1. Get the next node
  // 2. If the next node is undefined
  // 2.1. If the page break cache extends further
  // 2.1.1. Splice the remaining page breaks
  // 2.2. Exit
  // 3. Else if the next node is a hard break (or act)
  // 3.1. Advance the page cursor
  // 3.2. Exit
  // 4. Else if the next node is a soft break
  // 4.1. If a soft break is cached as |innerBreak|
  // 4.1.1. Remove |innerBreak|
  // 4.2. Cache the node as |innerBreak|
  // 5. Else if the node does not fit the page
  // 5.1. Find the last node (inclusive) that allows a break before it
  // 5.2. If a soft break is cached as |innerBreak|
  // 5.2.1. If |innerBreak| occurs as the previous sibling to the last node
  // 5.2.1.1. Advance the page cursor
  // 5.2.1.2. Exit
  // 5.2.2. Else
  // 5.2.2.1. Remove |innerBreak|
  // 5.2.2.2. Insert a new soft page break
  // 5.2.2.3. Advance the page cursor
  // 5.2.2.4. Exit
  // 5.3. Else
  // 5.3.1. Insert a new soft page break
  // 5.3.2. Advance the page cursor
  // 5.3.3. Exit
  // 6. Else
  // 6.1. Continue

  nsCOMPtr<nsIDOMNode> tmpnode;
  PRUint16 nodeType = 0;
  nsCOMPtr<nsIDOMNode> elemnode(do_QueryInterface(element));
  elemnode->GetNextSibling(getter_AddRefs(tmpnode));
  if (tmpnode)
    tmpnode->GetNodeType(&nodeType);
  while (tmpnode && nodeType != nsIDOMNode::ELEMENT_NODE) {
    nsCOMPtr<nsIDOMNode> tmpnode2;
    tmpnode->GetNextSibling(getter_AddRefs(tmpnode2));
    tmpnode = tmpnode2;
    if (tmpnode)
      tmpnode->GetNodeType(&nodeType);
  }

  if (tmpnode)
    element = do_QueryInterface(tmpnode);
  else
    element = nsnull;

  while (element) {
    nsCOMPtr<nsIDOMElement> elemnode(do_QueryInterface(element));
    elemnode->GetAttribute(kClassStr, className);
    element->GetOffsetTop(&offset);

//.........这里部分代码省略.........

nsresult
PluginDocument::CreateSyntheticPluginDocument()
{
  NS_ASSERTION(!GetShell() || !GetShell()->DidInitialReflow(),
               "Creating synthetic plugin document content too late");

  // make our generic document
  nsresult rv = MediaDocument::CreateSyntheticDocument();
  NS_ENSURE_SUCCESS(rv, rv);
  // then attach our plugin

  Element* body = GetBodyElement();
  if (!body) {
    NS_WARNING("no body on plugin document!");
    return NS_ERROR_FAILURE;
  }

  // remove margins from body
  NS_NAMED_LITERAL_STRING(zero, "0");
  body->SetAttr(kNameSpaceID_None, nsGkAtoms::marginwidth, zero, PR_FALSE);
  body->SetAttr(kNameSpaceID_None, nsGkAtoms::marginheight, zero, PR_FALSE);


  // make plugin content
  nsCOMPtr<nsINodeInfo> nodeInfo;
  nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::embed, nsnull,
                                           kNameSpaceID_XHTML,
                                           nsIDOMNode::ELEMENT_NODE);
  NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
  rv = NS_NewHTMLElement(getter_AddRefs(mPluginContent), nodeInfo.forget(),
                         NOT_FROM_PARSER);
  NS_ENSURE_SUCCESS(rv, rv);

  // make it a named element
  mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::name,
                          NS_LITERAL_STRING("plugin"), PR_FALSE);

  // fill viewport and auto-resize
  NS_NAMED_LITERAL_STRING(percent100, "100%");
  mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::width, percent100,
                          PR_FALSE);
  mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::height, percent100,
                          PR_FALSE);

  // set URL
  nsCAutoString src;
  mDocumentURI->GetSpec(src);
  mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::src,
                          NS_ConvertUTF8toUTF16(src), PR_FALSE);

  // set mime type
  mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::type,
                          NS_ConvertUTF8toUTF16(mMimeType), PR_FALSE);

  // This will not start the load because nsObjectLoadingContent checks whether
  // its document is an nsIPluginDocument
  body->AppendChildTo(mPluginContent, PR_FALSE);

  return NS_OK;


}

// init this interface to a specified locale
nsresult nsDateTimeFormatUnix::Initialize(nsILocale* locale)
{
  nsAutoString localeStr;
  NS_NAMED_LITERAL_STRING(aCategory, "NSILOCALE_TIME##PLATFORM");
  nsresult res = NS_OK;

  // use cached info if match with stored locale
  if (!locale) {
    if (!mLocale.IsEmpty() &&
        mLocale.Equals(mAppLocale, nsCaseInsensitiveStringComparator())) {
      return NS_OK;
    }
  }
  else {
    res = locale->GetCategory(aCategory, localeStr);
    if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
      if (!mLocale.IsEmpty() &&
          mLocale.Equals(localeStr,
                         nsCaseInsensitiveStringComparator())) {
        return NS_OK;
      }
    }
  }

  mCharset.AssignLiteral("ISO-8859-1");
  mPlatformLocale.Assign("en_US");

  // get locale name string, use app default if no locale specified
  if (!locale) {
    nsCOMPtr<nsILocaleService> localeService = 
             do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
    if (NS_SUCCEEDED(res)) {
      nsCOMPtr<nsILocale> appLocale;
      res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
      if (NS_SUCCEEDED(res)) {
        res = appLocale->GetCategory(aCategory, localeStr);
        if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
          NS_ASSERTION(NS_SUCCEEDED(res), "failed to get app locale info");
          mAppLocale = localeStr; // cache app locale name
        }
      }
    }
  }
  else {
    res = locale->GetCategory(aCategory, localeStr);
    NS_ASSERTION(NS_SUCCEEDED(res), "failed to get locale info");
  }

  if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
    mLocale = localeStr; // cache locale name

    nsPosixLocale::GetPlatformLocale(mLocale, mPlatformLocale);

    nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &res);
    if (NS_SUCCEEDED(res)) {
      nsAutoCString mappedCharset;
      res = platformCharset->GetDefaultCharsetForLocale(mLocale, mappedCharset);
      if (NS_SUCCEEDED(res)) {
        mCharset = mappedCharset;
      }
    }
  }

  // Initialize unicode decoder
  nsCOMPtr <nsICharsetConverterManager>  charsetConverterManager;
  charsetConverterManager = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &res);
  if (NS_SUCCEEDED(res)) {
    res = charsetConverterManager->GetUnicodeDecoder(mCharset.get(), getter_AddRefs(mDecoder));
  }

  LocalePreferred24hour();

  return res;
}

/* wstring getAcceptLangFromLocale (in wstring aLocale); */
NS_IMETHODIMP
nsAcceptLang::GetAcceptLangFromLocale(const PRUnichar *aLocale, PRUnichar **_retval)
{
  nsDependentString lc_name(aLocale);
  if (lc_name.Length() <=0) {
#ifdef DEBUG
    printf("nsAcceptLang::GetAcceptLangFromLocale: aLocale is empty!");
#endif
    // TODO: don't return; instead, use system locale: lc_name=...
    return NS_ERROR_FAILURE;
  }

  nsresult res;

	nsCOMPtr<nsIStringBundleService> sBundleService = 
	         do_GetService(kStringBundleServiceCID, &res);
 	if (NS_FAILED(res) || (nsnull == sBundleService)) {
    return NS_ERROR_FAILURE;
  }

  nsCOMPtr<nsIStringBundle> bundle;
#if 1
  res = sBundleService->CreateBundle("resource://gre/res/language.properties",
                                     getter_AddRefs(bundle));
#else
  res = sBundleService->CreateBundle("chrome://global/locale/languageNames.properties",
                                     getter_AddRefs(bundle));
#endif
  PRUnichar *ptrv = nsnull;
  nsAutoString  lc_tmp(aLocale);
  NS_NAMED_LITERAL_STRING(sAccept, ".accept");
  NS_NAMED_LITERAL_STRING(sTrue, "true");

  ToLowerCase(lc_tmp);
  lc_tmp.Append(sAccept);
  if (NS_OK == (res = bundle->GetStringFromName(lc_tmp.get(), &ptrv))) {
    if (sTrue.Equals(ptrv)) {
      // valid name already
      *_retval = ToNewUnicode(lc_name);
      return res;
    }
  }

  /* not in languageNames.properties; lang only?
   */
  PRInt32  dash = lc_tmp.FindChar('-');
  nsAutoString lang;
  nsAutoString country;
  if (dash > 0) {
    /* lang-country
     */
    PRInt32 count = 0;
    count = lc_tmp.Left(lang, dash);
    count = lc_tmp.Right(country, (lc_tmp.Length()-dash-1));
    /* ja-JP -> ja*/
  }
  else {
    /* ja ?? en-JP 
       en-JP ->ja (how about product locale or syste, locale ???)
       ja-EN ->ja
    */
    lang = lc_name;
  }
  
  // lang always in lower case; don't convert
  *_retval = ToNewUnicode(lang);
  lang.Append(sAccept);
  if (NS_OK == (res = bundle->GetStringFromName(lang.get(), &ptrv))) {

    if (sTrue.Equals(ptrv)) {
      /* lang is accepted */
      return res;
    }
  }

  /* unsupported lang */
  *_retval = nsnull;
  return NS_ERROR_FAILURE;
}

void 
nsHTMLContentSerializer::SerializeAttributes(nsIContent* aContent,
                                             nsIDOMElement *aOriginalElement,
                                             nsAString& aTagPrefix,
                                             const nsAString& aTagNamespaceURI,
                                             nsIAtom* aTagName,
                                             nsAString& aStr)
{
  PRInt32 count = aContent->GetAttrCount();
  if (!count)
    return;

  nsresult rv;
  nsAutoString nameStr, valueStr;
  NS_NAMED_LITERAL_STRING(_mozStr, "_moz");

  // HTML5 parser stored them in the order they were parsed so we want to
  // loop forward in that case.
  nsIDocument* doc = aContent->GetOwnerDocument();
  PRBool caseSensitive = doc && doc->IsCaseSensitive();
  PRBool loopForward = PR_FALSE;
  if (!caseSensitive) {
    nsCOMPtr<nsIHTMLDocument> htmlDoc(do_QueryInterface(doc));
    if (htmlDoc) {
      loopForward = nsHtml5Module::sEnabled;
    }
  }
  PRInt32 index, limit, step;
  if (loopForward) {
    index = 0;
    limit = count;
    step = 1;
  }
  else {
    // Loop backward over the attributes, since the order they are stored in is
    // the opposite of the order they were parsed in (see bug 213347 for reason).
    index = count - 1;
    limit = -1;
    step = -1;
  }
  
  for (; index != limit; index += step) {
    const nsAttrName* name = aContent->GetAttrNameAt(index);
    PRInt32 namespaceID = name->NamespaceID();
    nsIAtom* attrName = name->LocalName();

    // Filter out any attribute starting with [-|_]moz
    const char* sharedName;
    attrName->GetUTF8String(&sharedName);
    if ((('_' == *sharedName) || ('-' == *sharedName)) &&
        !nsCRT::strncmp(sharedName+1, kMozStr, PRUint32(sizeof(kMozStr)-1))) {
      continue;
    }
    aContent->GetAttr(namespaceID, attrName, valueStr);

    // 
    // Filter out special case of <br type="_moz"> or <br _moz*>,
    // used by the editor.  Bug 16988.  Yuck.
    //
    if (aTagName == nsGkAtoms::br && attrName == nsGkAtoms::type &&
        StringBeginsWith(valueStr, _mozStr)) {
      continue;
    }

    if (mIsCopying && mIsFirstChildOfOL && (aTagName == nsGkAtoms::li) && 
        (attrName == nsGkAtoms::value)){
      // This is handled separately in SerializeLIValueAttribute()
      continue;
    }
    PRBool isJS = IsJavaScript(aContent, attrName, namespaceID, valueStr);
    
    if (((attrName == nsGkAtoms::href) || 
         (attrName == nsGkAtoms::src))) {
      // Make all links absolute when converting only the selection:
      if (mFlags & nsIDocumentEncoder::OutputAbsoluteLinks) {
        // Would be nice to handle OBJECT and APPLET tags,
        // but that gets more complicated since we have to
        // search the tag list for CODEBASE as well.
        // For now, just leave them relative.
        nsCOMPtr<nsIURI> uri = aContent->GetBaseURI();
        if (uri) {
          nsAutoString absURI;
          rv = NS_MakeAbsoluteURI(absURI, valueStr, uri);
          if (NS_SUCCEEDED(rv)) {
            valueStr = absURI;
          }
        }
      }
      // Need to escape URI.
      nsAutoString tempURI(valueStr);
      if (!isJS && NS_FAILED(EscapeURI(aContent, tempURI, valueStr)))
        valueStr = tempURI;
    }

    if (mRewriteEncodingDeclaration && aTagName == nsGkAtoms::meta &&
        attrName == nsGkAtoms::content) {
      // If we're serializing a <meta http-equiv="content-type">,
      // use the proper value, rather than what's in the document.
      nsAutoString header;
      aContent->GetAttr(kNameSpaceID_None, nsGkAtoms::httpEquiv, header);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        QueryFontFromINI("WindowText", szFontNameSize, MAXNAMEL);
#ifdef DEBUG_thebes
        printf("WindowText ");
#endif
        break;

    default:
        NS_WARNING("None of the listed font types, using WarpSans");
        if (!IsDBCS()) {
            strcpy(szFontNameSize, "9.WarpSans");
        } else {
            strcpy(szFontNameSize, "9.WarpSans Combined");
        }
    } // switch
#ifdef DEBUG_thebes
    printf(" (%s)\n", szFontNameSize);
#endif

    char *szFacename = strchr(szFontNameSize, '.');
    if (!szFacename || (*(szFacename++) == '\0'))
        return NS_ERROR_FAILURE;

    // local DPI for size will be taken into account below
    aFontStyle->size = atof(szFontNameSize);

    // determine DPI resolution of screen device to compare compute
    // font size in pixels
    HPS ps = WinGetScreenPS(HWND_DESKTOP);
    HDC dc = GpiQueryDevice(ps);
    // effective vertical resolution in DPI
    LONG vertScreenRes = 120; // assume 120 dpi as default
    DevQueryCaps(dc, CAPS_VERTICAL_FONT_RES, 1, &vertScreenRes);
    WinReleasePS(ps);

    // now scale to make pixels from points (1 pt = 1/72in)
    aFontStyle->size *= vertScreenRes / 72.0;

    NS_ConvertUTF8toUTF16 fontFace(szFacename);
    int pos = 0;

    // this is a system font in any case
    aFontStyle->systemFont = true;

    // bold fonts should have " Bold" in their names, at least we hope that they
    // do, otherwise it's bad luck
    NS_NAMED_LITERAL_CSTRING(spcBold, " Bold");
    if ((pos = fontFace.Find(spcBold.get(), false, 0, -1)) > -1) {
        aFontStyle->weight = FONT_WEIGHT_BOLD;
        // strip the attribute, now that we have set it in the gfxFontStyle
        fontFace.Cut(pos, spcBold.Length());
    } else {
        aFontStyle->weight = FONT_WEIGHT_NORMAL;
    }

    // FIXME: Set aFontStyle->stretch correctly!
    aFontStyle->stretch = NS_FONT_STRETCH_NORMAL;

    // similar hopes for italic and oblique fonts...
    NS_NAMED_LITERAL_CSTRING(spcItalic, " Italic");
    NS_NAMED_LITERAL_CSTRING(spcOblique, " Oblique");
    NS_NAMED_LITERAL_CSTRING(spcObli, " Obli");
    if ((pos = fontFace.Find(spcItalic.get(), false, 0, -1)) > -1) {
        aFontStyle->style = FONT_STYLE_ITALIC;
        fontFace.Cut(pos, spcItalic.Length());
    } else if ((pos = fontFace.Find(spcOblique.get(), false, 0, -1)) > -1) {
        // oblique fonts are rare on OS/2 and not specially supported by
        // the GPI system, but at least we are trying...
        aFontStyle->style = FONT_STYLE_OBLIQUE;
        fontFace.Cut(pos, spcOblique.Length());
    } else if ((pos = fontFace.Find(spcObli.get(), false, 0, -1)) > -1) {
        // especially oblique often gets cut by the 32 char limit to "Obli",
        // so search for that, too (anything shorter would be ambiguous)
        aFontStyle->style = FONT_STYLE_OBLIQUE;
        // In this case, assume that this is the last property in the line
        // and cut off everything else, too
        // This is needed in case it was really Obliq or Obliqu...
        fontFace.Cut(pos, fontFace.Length());
    } else {
        aFontStyle->style = FONT_STYLE_NORMAL;
    }

    // just throw away any modifiers that are separated by dots (which are either
    // .Strikeout, .Underline, or .Outline, none of which have a corresponding
    // gfxFont property)
    if ((pos = fontFace.Find(".", false, 0, -1)) > -1) {
        fontFace.Cut(pos, fontFace.Length());
    }

#ifdef DEBUG_thebes
    printf("  after=%s\n", NS_LossyConvertUTF16toASCII(fontFace).get());
    printf("  style: %s %s %s\n",
           (aFontStyle->weight == FONT_WEIGHT_BOLD) ? "BOLD" : "",
           (aFontStyle->style == FONT_STYLE_ITALIC) ? "ITALIC" : "",
           (aFontStyl