mirror of
https://github.com/rn10950/RetroZilla.git
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285 lines
9.9 KiB
C++
285 lines
9.9 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.org.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Daniel Glazman (glazman@netscape.com) (Original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsHTMLEditor.h"
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#include "nsIDOMNSHTMLElement.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIPresShell.h"
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#include "nsIDocumentObserver.h"
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#include "nsIContent.h"
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#include "nsHTMLEditUtils.h"
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#include "nsReadableUtils.h"
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// Uncomment the following line if you want to disable
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// table deletion when the only column/row is removed
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// #define DISABLE_TABLE_DELETION 1
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NS_IMETHODIMP
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nsHTMLEditor::SetInlineTableEditingEnabled(PRBool aIsEnabled)
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{
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mIsInlineTableEditingEnabled = aIsEnabled;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLEditor::GetInlineTableEditingEnabled(PRBool * aIsEnabled)
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{
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*aIsEnabled = mIsInlineTableEditingEnabled;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLEditor::ShowInlineTableEditingUI(nsIDOMElement * aCell)
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{
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NS_ENSURE_ARG_POINTER(aCell);
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// do nothing if aCell is not a table cell...
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if (!nsHTMLEditUtils::IsTableCell(aCell))
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return NS_OK;
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// the resizers and the shadow will be anonymous children of the body
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nsIDOMElement *bodyElement = GetRoot();
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if (!bodyElement) return NS_ERROR_NULL_POINTER;
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CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement,
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NS_LITERAL_STRING("mozTableAddColumnBefore"),
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PR_FALSE, getter_AddRefs(mAddColumnBeforeButton));
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CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement,
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NS_LITERAL_STRING("mozTableRemoveColumn"),
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PR_FALSE, getter_AddRefs(mRemoveColumnButton));
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CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement,
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NS_LITERAL_STRING("mozTableAddColumnAfter"),
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PR_FALSE, getter_AddRefs(mAddColumnAfterButton));
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CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement,
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NS_LITERAL_STRING("mozTableAddRowBefore"),
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PR_FALSE, getter_AddRefs(mAddRowBeforeButton));
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CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement,
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NS_LITERAL_STRING("mozTableRemoveRow"),
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PR_FALSE, getter_AddRefs(mRemoveRowButton));
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CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement,
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NS_LITERAL_STRING("mozTableAddRowAfter"),
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PR_FALSE, getter_AddRefs(mAddRowAfterButton));
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AddMouseClickListener(mAddColumnBeforeButton);
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AddMouseClickListener(mRemoveColumnButton);
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AddMouseClickListener(mAddColumnAfterButton);
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AddMouseClickListener(mAddRowBeforeButton);
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AddMouseClickListener(mRemoveRowButton);
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AddMouseClickListener(mAddRowAfterButton);
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mInlineEditedCell = aCell;
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return RefreshInlineTableEditingUI();
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}
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NS_IMETHODIMP
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nsHTMLEditor::HideInlineTableEditingUI()
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{
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mInlineEditedCell = nsnull;
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RemoveMouseClickListener(mAddColumnBeforeButton);
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RemoveMouseClickListener(mRemoveColumnButton);
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RemoveMouseClickListener(mAddColumnAfterButton);
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RemoveMouseClickListener(mAddRowBeforeButton);
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RemoveMouseClickListener(mRemoveRowButton);
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RemoveMouseClickListener(mAddRowAfterButton);
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// get the presshell's document observer interface.
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nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
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if (!ps) return NS_ERROR_NOT_INITIALIZED;
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// get the root content node.
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nsIDOMElement *bodyElement = GetRoot();
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nsCOMPtr<nsIContent> bodyContent( do_QueryInterface(bodyElement) );
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if (!bodyContent) return NS_ERROR_FAILURE;
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DeleteRefToAnonymousNode(mAddColumnBeforeButton, bodyContent, ps);
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mAddColumnBeforeButton = nsnull;
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DeleteRefToAnonymousNode(mRemoveColumnButton, bodyContent, ps);
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mRemoveColumnButton = nsnull;
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DeleteRefToAnonymousNode(mAddColumnAfterButton, bodyContent, ps);
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mAddColumnAfterButton = nsnull;
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DeleteRefToAnonymousNode(mAddRowBeforeButton, bodyContent, ps);
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mAddRowBeforeButton = nsnull;
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DeleteRefToAnonymousNode(mRemoveRowButton, bodyContent, ps);
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mRemoveRowButton = nsnull;
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DeleteRefToAnonymousNode(mAddRowAfterButton, bodyContent, ps);
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mAddRowAfterButton = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLEditor::DoInlineTableEditingAction(nsIDOMElement * aElement)
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{
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NS_ENSURE_ARG_POINTER(aElement);
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PRBool anonElement = PR_FALSE;
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if (aElement &&
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NS_SUCCEEDED(aElement->HasAttribute(NS_LITERAL_STRING("_moz_anonclass"), &anonElement)) &&
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anonElement) {
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nsAutoString anonclass;
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nsresult res = aElement->GetAttribute(NS_LITERAL_STRING("_moz_anonclass"), anonclass);
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if (NS_FAILED(res)) return res;
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if (!StringBeginsWith(anonclass, NS_LITERAL_STRING("mozTable")))
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return NS_OK;
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nsCOMPtr<nsIDOMNode> tableNode = GetEnclosingTable(mInlineEditedCell);
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nsCOMPtr<nsIDOMElement> tableElement = do_QueryInterface(tableNode);
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PRInt32 rowCount, colCount;
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res = GetTableSize(tableElement, &rowCount, &colCount);
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if (NS_FAILED(res)) return res;
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PRBool hideUI = PR_FALSE;
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PRBool hideResizersWithInlineTableUI = (mResizedObject == tableElement);
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if (anonclass.EqualsLiteral("mozTableAddColumnBefore"))
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InsertTableColumn(1, PR_FALSE);
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else if (anonclass.EqualsLiteral("mozTableAddColumnAfter"))
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InsertTableColumn(1, PR_TRUE);
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else if (anonclass.EqualsLiteral("mozTableAddRowBefore"))
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InsertTableRow(1, PR_FALSE);
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else if (anonclass.EqualsLiteral("mozTableAddRowAfter"))
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InsertTableRow(1, PR_TRUE);
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else if (anonclass.EqualsLiteral("mozTableRemoveColumn")) {
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DeleteTableColumn(1);
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#ifndef DISABLE_TABLE_DELETION
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hideUI = (colCount == 1);
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#endif
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}
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else if (anonclass.EqualsLiteral("mozTableRemoveRow")) {
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DeleteTableRow(1);
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#ifndef DISABLE_TABLE_DELETION
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hideUI = (rowCount == 1);
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#endif
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}
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else
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return NS_OK;
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if (hideUI) {
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HideInlineTableEditingUI();
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if (hideResizersWithInlineTableUI)
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HideResizers();
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}
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}
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return NS_OK;
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}
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void
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nsHTMLEditor::AddMouseClickListener(nsIDOMElement * aElement)
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{
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nsCOMPtr<nsIDOMEventTarget> evtTarget(do_QueryInterface(aElement));
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if (evtTarget)
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evtTarget->AddEventListener(NS_LITERAL_STRING("click"), mMouseListenerP, PR_TRUE);
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}
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void
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nsHTMLEditor::RemoveMouseClickListener(nsIDOMElement * aElement)
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{
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nsCOMPtr<nsIDOMEventTarget> evtTarget(do_QueryInterface(aElement));
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if (evtTarget)
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evtTarget->RemoveEventListener(NS_LITERAL_STRING("click"), mMouseListenerP, PR_TRUE);
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}
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NS_IMETHODIMP
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nsHTMLEditor::RefreshInlineTableEditingUI()
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{
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nsCOMPtr<nsIDOMNSHTMLElement> nsElement = do_QueryInterface(mInlineEditedCell);
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if (!nsElement) {return NS_ERROR_NULL_POINTER; }
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PRInt32 xCell, yCell, wCell, hCell;
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GetElementOrigin(mInlineEditedCell, xCell, yCell);
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nsresult res = nsElement->GetOffsetWidth(&wCell);
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if (NS_FAILED(res)) return res;
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res = nsElement->GetOffsetHeight(&hCell);
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if (NS_FAILED(res)) return res;
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PRInt32 xHoriz = xCell + wCell/2;
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PRInt32 yVert = yCell + hCell/2;
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nsCOMPtr<nsIDOMNode> tableNode = GetEnclosingTable(mInlineEditedCell);
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nsCOMPtr<nsIDOMElement> tableElement = do_QueryInterface(tableNode);
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PRInt32 rowCount, colCount;
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res = GetTableSize(tableElement, &rowCount, &colCount);
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if (NS_FAILED(res)) return res;
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SetAnonymousElementPosition(xHoriz-10, yCell-7, mAddColumnBeforeButton);
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#ifdef DISABLE_TABLE_DELETION
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NS_NAMED_LITERAL_STRING(classStr, "class");
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if (colCount== 1) {
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mRemoveColumnButton->SetAttribute(classStr,
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NS_LITERAL_STRING("hidden"));
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}
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else {
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PRBool hasClass = PR_FALSE;
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res = mRemoveColumnButton->HasAttribute(classStr, &hasClass);
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if (NS_SUCCEEDED(res) && hasClass)
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mRemoveColumnButton->RemoveAttribute(classStr);
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#endif
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SetAnonymousElementPosition(xHoriz-4, yCell-7, mRemoveColumnButton);
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#ifdef DISABLE_TABLE_DELETION
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}
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#endif
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SetAnonymousElementPosition(xHoriz+6, yCell-7, mAddColumnAfterButton);
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SetAnonymousElementPosition(xCell-7, yVert-10, mAddRowBeforeButton);
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#ifdef DISABLE_TABLE_DELETION
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if (rowCount== 1) {
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mRemoveRowButton->SetAttribute(classStr,
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NS_LITERAL_STRING("hidden"));
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}
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else {
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PRBool hasClass = PR_FALSE;
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res = mRemoveRowButton->HasAttribute(classStr, &hasClass);
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if (NS_SUCCEEDED(res) && hasClass)
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mRemoveRowButton->RemoveAttribute(classStr);
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#endif
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SetAnonymousElementPosition(xCell-7, yVert-4, mRemoveRowButton);
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#ifdef DISABLE_TABLE_DELETION
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}
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#endif
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SetAnonymousElementPosition(xCell-7, yVert+6, mAddRowAfterButton);
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return NS_OK;
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}
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