The Tor Browser: editor/libeditor/text/nsTextEditUtils.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "mozilla/Assertions.h"

     7 #include "mozilla/dom/Element.h"

     8 #include "nsAString.h"

     9 #include "nsCOMPtr.h"

    10 #include "nsCaseTreatment.h"

    11 #include "nsDebug.h"

    12 #include "nsEditor.h"

    13 #include "nsError.h"

    14 #include "nsGkAtoms.h"

    15 #include "nsIDOMElement.h"

    16 #include "nsIDOMNode.h"

    17 #include "nsNameSpaceManager.h"

    18 #include "nsLiteralString.h"

    19 #include "nsPlaintextEditor.h"

    20 #include "nsString.h"

    21 #include "nsTextEditUtils.h"

    23 using namespace mozilla;

    25 ///////////////////////////////////////////////////////////////////////////

    26 // IsBody: true if node an html body node

    27 bool

    28 nsTextEditUtils::IsBody(nsIDOMNode *node)

    29 {

    30   return nsEditor::NodeIsType(node, nsGkAtoms::body);

    31 }

    34 ///////////////////////////////////////////////////////////////////////////

    35 // IsBreak: true if node an html break node

    36 bool

    37 nsTextEditUtils::IsBreak(nsIDOMNode *node)

    38 {

    39   return nsEditor::NodeIsType(node, nsGkAtoms::br);

    40 }

    43 ///////////////////////////////////////////////////////////////////////////

    44 // IsMozBR: true if node an html br node with type = _moz

    45 //

    46 bool

    47 nsTextEditUtils::IsMozBR(nsIDOMNode *node)

    48 {

    49   NS_PRECONDITION(node, "null node passed to nsHTMLEditUtils::IsMozBR");

    50   return IsBreak(node) && HasMozAttr(node);

    51 }

    54 bool

    55 nsTextEditUtils::IsMozBR(nsINode* aNode)

    56 {

    57   MOZ_ASSERT(aNode);

    58   return aNode->IsElement() &&

    59          aNode->AsElement()->IsHTML(nsGkAtoms::br) &&

    60          aNode->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,

    61                                          NS_LITERAL_STRING("_moz"),

    62                                          eIgnoreCase);

    63 }

    65 ///////////////////////////////////////////////////////////////////////////

    66 // HasMozAttr: true if node has type attribute = _moz

    67 //             (used to indicate the div's and br's we use in

    68 //              mail compose rules)

    69 //

    70 bool

    71 nsTextEditUtils::HasMozAttr(nsIDOMNode *node)

    72 {

    73   NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::HasMozAttr");

    74   nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(node);

    75   if (elem)

    76   {

    77     nsAutoString typeAttrVal;

    78     nsresult res = elem->GetAttribute(NS_LITERAL_STRING("type"), typeAttrVal);

    79     if (NS_SUCCEEDED(res) && (typeAttrVal.LowerCaseEqualsLiteral("_moz")))

    80       return true;

    81   }

    82   return false;

    83 }

    86 ///////////////////////////////////////////////////////////////////////////

    87 // nsAutoEditInitRulesTrigger methods

    88 //

    89 nsAutoEditInitRulesTrigger::nsAutoEditInitRulesTrigger( nsPlaintextEditor *aEd, nsresult &aRes) : mEd(aEd), mRes(aRes)

    90 {

    91     if (mEd) mEd->BeginEditorInit();

    92 }

    94 nsAutoEditInitRulesTrigger::~nsAutoEditInitRulesTrigger()

    95 {

    96     if (mEd) mRes = mEd->EndEditorInit();

    97 }

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