mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
273 lines
8.9 KiB
C++
273 lines
8.9 KiB
C++
/* 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 "mozilla/dom/Element.h"
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#include "nsAString.h"
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#include "nsCOMPtr.h"
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#include "nsDebug.h"
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#include "nsError.h"
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#include "nsHTMLEditUtils.h"
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#include "nsHTMLEditor.h"
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#include "nsIContent.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIDOMHTMLElement.h"
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#include "nsIDOMNode.h"
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#include "nsIHTMLEditor.h"
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#include "nsIHTMLObjectResizer.h"
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#include "nsIPresShell.h"
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#include "nsLiteralString.h"
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#include "nsReadableUtils.h"
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#include "nsString.h"
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#include "nscore.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(bool 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(bool * 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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if (mInlineEditedCell) {
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NS_ERROR("call HideInlineTableEditingUI first");
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return NS_ERROR_UNEXPECTED;
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}
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// the resizers and the shadow will be anonymous children of the body
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nsCOMPtr<nsIDOMElement> bodyElement = do_QueryInterface(GetRoot());
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NS_ENSURE_TRUE(bodyElement, 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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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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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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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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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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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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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 = nullptr;
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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 = GetPresShell();
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// We allow the pres shell to be null; when it is, we presume there
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// are no document observers to notify, but we still want to
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// UnbindFromTree.
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// get the root content node.
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nsCOMPtr<nsIContent> bodyContent = GetRoot();
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NS_ENSURE_TRUE(bodyContent, NS_ERROR_FAILURE);
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DeleteRefToAnonymousNode(mAddColumnBeforeButton, bodyContent, ps);
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mAddColumnBeforeButton = nullptr;
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DeleteRefToAnonymousNode(mRemoveColumnButton, bodyContent, ps);
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mRemoveColumnButton = nullptr;
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DeleteRefToAnonymousNode(mAddColumnAfterButton, bodyContent, ps);
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mAddColumnAfterButton = nullptr;
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DeleteRefToAnonymousNode(mAddRowBeforeButton, bodyContent, ps);
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mAddRowBeforeButton = nullptr;
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DeleteRefToAnonymousNode(mRemoveRowButton, bodyContent, ps);
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mRemoveRowButton = nullptr;
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DeleteRefToAnonymousNode(mAddRowAfterButton, bodyContent, ps);
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mAddRowAfterButton = nullptr;
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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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bool anonElement = 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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NS_ENSURE_SUCCESS(res, 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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int32_t rowCount, colCount;
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res = GetTableSize(tableElement, &rowCount, &colCount);
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NS_ENSURE_SUCCESS(res, res);
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bool hideUI = false;
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bool hideResizersWithInlineTableUI = (mResizedObject == tableElement);
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if (anonclass.EqualsLiteral("mozTableAddColumnBefore"))
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InsertTableColumn(1, false);
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else if (anonclass.EqualsLiteral("mozTableAddColumnAfter"))
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InsertTableColumn(1, true);
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else if (anonclass.EqualsLiteral("mozTableAddRowBefore"))
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InsertTableRow(1, false);
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else if (anonclass.EqualsLiteral("mozTableAddRowAfter"))
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InsertTableRow(1, 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"),
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mEventListener, true);
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}
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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"),
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mEventListener, true);
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}
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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<nsIDOMHTMLElement> htmlElement = do_QueryInterface(mInlineEditedCell);
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if (!htmlElement) {
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return NS_ERROR_NULL_POINTER;
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}
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int32_t xCell, yCell, wCell, hCell;
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GetElementOrigin(mInlineEditedCell, xCell, yCell);
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nsresult res = htmlElement->GetOffsetWidth(&wCell);
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NS_ENSURE_SUCCESS(res, res);
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res = htmlElement->GetOffsetHeight(&hCell);
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NS_ENSURE_SUCCESS(res, res);
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int32_t xHoriz = xCell + wCell/2;
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int32_t 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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int32_t rowCount, colCount;
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res = GetTableSize(tableElement, &rowCount, &colCount);
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NS_ENSURE_SUCCESS(res, 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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bool hasClass = 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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bool hasClass = 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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