The Tor Browser / file comparison
comparison: editor/libeditor/html/nsHTMLInlineTableEditor.cpp
editor/libeditor/html/nsHTMLInlineTableEditor.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:25f054e15882 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "mozilla/dom/Element.h" | |
| 6 #include "nsAString.h" | |
| 7 #include "nsCOMPtr.h" | |
| 8 #include "nsDebug.h" | |
| 9 #include "nsError.h" | |
| 10 #include "nsHTMLEditUtils.h" | |
| 11 #include "nsHTMLEditor.h" | |
| 12 #include "nsIContent.h" | |
| 13 #include "nsIDOMElement.h" | |
| 14 #include "nsIDOMEventTarget.h" | |
| 15 #include "nsIDOMHTMLElement.h" | |
| 16 #include "nsIDOMNode.h" | |
| 17 #include "nsIHTMLEditor.h" | |
| 18 #include "nsIHTMLObjectResizer.h" | |
| 19 #include "nsIPresShell.h" | |
| 20 #include "nsLiteralString.h" | |
| 21 #include "nsReadableUtils.h" | |
| 22 #include "nsString.h" | |
| 23 #include "nscore.h" | |
| 24 | |
| 25 // Uncomment the following line if you want to disable | |
| 26 // table deletion when the only column/row is removed | |
| 27 // #define DISABLE_TABLE_DELETION 1 | |
| 28 | |
| 29 NS_IMETHODIMP | |
| 30 nsHTMLEditor::SetInlineTableEditingEnabled(bool aIsEnabled) | |
| 31 { | |
| 32 mIsInlineTableEditingEnabled = aIsEnabled; | |
| 33 return NS_OK; | |
| 34 } | |
| 35 | |
| 36 NS_IMETHODIMP | |
| 37 nsHTMLEditor::GetInlineTableEditingEnabled(bool * aIsEnabled) | |
| 38 { | |
| 39 *aIsEnabled = mIsInlineTableEditingEnabled; | |
| 40 return NS_OK; | |
| 41 } | |
| 42 | |
| 43 NS_IMETHODIMP | |
| 44 nsHTMLEditor::ShowInlineTableEditingUI(nsIDOMElement * aCell) | |
| 45 { | |
| 46 NS_ENSURE_ARG_POINTER(aCell); | |
| 47 | |
| 48 // do nothing if aCell is not a table cell... | |
| 49 if (!nsHTMLEditUtils::IsTableCell(aCell)) | |
| 50 return NS_OK; | |
| 51 | |
| 52 if (mInlineEditedCell) { | |
| 53 NS_ERROR("call HideInlineTableEditingUI first"); | |
| 54 return NS_ERROR_UNEXPECTED; | |
| 55 } | |
| 56 | |
| 57 // the resizers and the shadow will be anonymous children of the body | |
| 58 nsCOMPtr<nsIDOMElement> bodyElement = do_QueryInterface(GetRoot()); | |
| 59 NS_ENSURE_TRUE(bodyElement, NS_ERROR_NULL_POINTER); | |
| 60 | |
| 61 CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement, | |
| 62 NS_LITERAL_STRING("mozTableAddColumnBefore"), | |
| 63 false, getter_AddRefs(mAddColumnBeforeButton)); | |
| 64 CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement, | |
| 65 NS_LITERAL_STRING("mozTableRemoveColumn"), | |
| 66 false, getter_AddRefs(mRemoveColumnButton)); | |
| 67 CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement, | |
| 68 NS_LITERAL_STRING("mozTableAddColumnAfter"), | |
| 69 false, getter_AddRefs(mAddColumnAfterButton)); | |
| 70 | |
| 71 CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement, | |
| 72 NS_LITERAL_STRING("mozTableAddRowBefore"), | |
| 73 false, getter_AddRefs(mAddRowBeforeButton)); | |
| 74 CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement, | |
| 75 NS_LITERAL_STRING("mozTableRemoveRow"), | |
| 76 false, getter_AddRefs(mRemoveRowButton)); | |
| 77 CreateAnonymousElement(NS_LITERAL_STRING("a"), bodyElement, | |
| 78 NS_LITERAL_STRING("mozTableAddRowAfter"), | |
| 79 false, getter_AddRefs(mAddRowAfterButton)); | |
| 80 | |
| 81 AddMouseClickListener(mAddColumnBeforeButton); | |
| 82 AddMouseClickListener(mRemoveColumnButton); | |
| 83 AddMouseClickListener(mAddColumnAfterButton); | |
| 84 AddMouseClickListener(mAddRowBeforeButton); | |
| 85 AddMouseClickListener(mRemoveRowButton); | |
| 86 AddMouseClickListener(mAddRowAfterButton); | |
| 87 | |
| 88 mInlineEditedCell = aCell; | |
| 89 return RefreshInlineTableEditingUI(); | |
| 90 } | |
| 91 | |
| 92 NS_IMETHODIMP | |
| 93 nsHTMLEditor::HideInlineTableEditingUI() | |
| 94 { | |
| 95 mInlineEditedCell = nullptr; | |
| 96 | |
| 97 RemoveMouseClickListener(mAddColumnBeforeButton); | |
| 98 RemoveMouseClickListener(mRemoveColumnButton); | |
| 99 RemoveMouseClickListener(mAddColumnAfterButton); | |
| 100 RemoveMouseClickListener(mAddRowBeforeButton); | |
| 101 RemoveMouseClickListener(mRemoveRowButton); | |
| 102 RemoveMouseClickListener(mAddRowAfterButton); | |
| 103 | |
| 104 // get the presshell's document observer interface. | |
| 105 nsCOMPtr<nsIPresShell> ps = GetPresShell(); | |
| 106 // We allow the pres shell to be null; when it is, we presume there | |
| 107 // are no document observers to notify, but we still want to | |
| 108 // UnbindFromTree. | |
| 109 | |
| 110 // get the root content node. | |
| 111 nsCOMPtr<nsIContent> bodyContent = GetRoot(); | |
| 112 NS_ENSURE_TRUE(bodyContent, NS_ERROR_FAILURE); | |
| 113 | |
| 114 DeleteRefToAnonymousNode(mAddColumnBeforeButton, bodyContent, ps); | |
| 115 mAddColumnBeforeButton = nullptr; | |
| 116 DeleteRefToAnonymousNode(mRemoveColumnButton, bodyContent, ps); | |
| 117 mRemoveColumnButton = nullptr; | |
| 118 DeleteRefToAnonymousNode(mAddColumnAfterButton, bodyContent, ps); | |
| 119 mAddColumnAfterButton = nullptr; | |
| 120 DeleteRefToAnonymousNode(mAddRowBeforeButton, bodyContent, ps); | |
| 121 mAddRowBeforeButton = nullptr; | |
| 122 DeleteRefToAnonymousNode(mRemoveRowButton, bodyContent, ps); | |
| 123 mRemoveRowButton = nullptr; | |
| 124 DeleteRefToAnonymousNode(mAddRowAfterButton, bodyContent, ps); | |
| 125 mAddRowAfterButton = nullptr; | |
| 126 | |
| 127 return NS_OK; | |
| 128 } | |
| 129 | |
| 130 NS_IMETHODIMP | |
| 131 nsHTMLEditor::DoInlineTableEditingAction(nsIDOMElement * aElement) | |
| 132 { | |
| 133 NS_ENSURE_ARG_POINTER(aElement); | |
| 134 bool anonElement = false; | |
| 135 if (aElement && | |
| 136 NS_SUCCEEDED(aElement->HasAttribute(NS_LITERAL_STRING("_moz_anonclass"), &anonElement)) && | |
| 137 anonElement) { | |
| 138 nsAutoString anonclass; | |
| 139 nsresult res = aElement->GetAttribute(NS_LITERAL_STRING("_moz_anonclass"), anonclass); | |
| 140 NS_ENSURE_SUCCESS(res, res); | |
| 141 | |
| 142 if (!StringBeginsWith(anonclass, NS_LITERAL_STRING("mozTable"))) | |
| 143 return NS_OK; | |
| 144 | |
| 145 nsCOMPtr<nsIDOMNode> tableNode = GetEnclosingTable(mInlineEditedCell); | |
| 146 nsCOMPtr<nsIDOMElement> tableElement = do_QueryInterface(tableNode); | |
| 147 int32_t rowCount, colCount; | |
| 148 res = GetTableSize(tableElement, &rowCount, &colCount); | |
| 149 NS_ENSURE_SUCCESS(res, res); | |
| 150 | |
| 151 bool hideUI = false; | |
| 152 bool hideResizersWithInlineTableUI = (mResizedObject == tableElement); | |
| 153 | |
| 154 if (anonclass.EqualsLiteral("mozTableAddColumnBefore")) | |
| 155 InsertTableColumn(1, false); | |
| 156 else if (anonclass.EqualsLiteral("mozTableAddColumnAfter")) | |
| 157 InsertTableColumn(1, true); | |
| 158 else if (anonclass.EqualsLiteral("mozTableAddRowBefore")) | |
| 159 InsertTableRow(1, false); | |
| 160 else if (anonclass.EqualsLiteral("mozTableAddRowAfter")) | |
| 161 InsertTableRow(1, true); | |
| 162 else if (anonclass.EqualsLiteral("mozTableRemoveColumn")) { | |
| 163 DeleteTableColumn(1); | |
| 164 #ifndef DISABLE_TABLE_DELETION | |
| 165 hideUI = (colCount == 1); | |
| 166 #endif | |
| 167 } | |
| 168 else if (anonclass.EqualsLiteral("mozTableRemoveRow")) { | |
| 169 DeleteTableRow(1); | |
| 170 #ifndef DISABLE_TABLE_DELETION | |
| 171 hideUI = (rowCount == 1); | |
| 172 #endif | |
| 173 } | |
| 174 else | |
| 175 return NS_OK; | |
| 176 | |
| 177 if (hideUI) { | |
| 178 HideInlineTableEditingUI(); | |
| 179 if (hideResizersWithInlineTableUI) | |
| 180 HideResizers(); | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 return NS_OK; | |
| 185 } | |
| 186 | |
| 187 void | |
| 188 nsHTMLEditor::AddMouseClickListener(nsIDOMElement * aElement) | |
| 189 { | |
| 190 nsCOMPtr<nsIDOMEventTarget> evtTarget(do_QueryInterface(aElement)); | |
| 191 if (evtTarget) { | |
| 192 evtTarget->AddEventListener(NS_LITERAL_STRING("click"), | |
| 193 mEventListener, true); | |
| 194 } | |
| 195 } | |
| 196 | |
| 197 void | |
| 198 nsHTMLEditor::RemoveMouseClickListener(nsIDOMElement * aElement) | |
| 199 { | |
| 200 nsCOMPtr<nsIDOMEventTarget> evtTarget(do_QueryInterface(aElement)); | |
| 201 if (evtTarget) { | |
| 202 evtTarget->RemoveEventListener(NS_LITERAL_STRING("click"), | |
| 203 mEventListener, true); | |
| 204 } | |
| 205 } | |
| 206 | |
| 207 NS_IMETHODIMP | |
| 208 nsHTMLEditor::RefreshInlineTableEditingUI() | |
| 209 { | |
| 210 nsCOMPtr<nsIDOMHTMLElement> htmlElement = do_QueryInterface(mInlineEditedCell); | |
| 211 if (!htmlElement) { | |
| 212 return NS_ERROR_NULL_POINTER; | |
| 213 } | |
| 214 | |
| 215 int32_t xCell, yCell, wCell, hCell; | |
| 216 GetElementOrigin(mInlineEditedCell, xCell, yCell); | |
| 217 | |
| 218 nsresult res = htmlElement->GetOffsetWidth(&wCell); | |
| 219 NS_ENSURE_SUCCESS(res, res); | |
| 220 res = htmlElement->GetOffsetHeight(&hCell); | |
| 221 NS_ENSURE_SUCCESS(res, res); | |
| 222 | |
| 223 int32_t xHoriz = xCell + wCell/2; | |
| 224 int32_t yVert = yCell + hCell/2; | |
| 225 | |
| 226 nsCOMPtr<nsIDOMNode> tableNode = GetEnclosingTable(mInlineEditedCell); | |
| 227 nsCOMPtr<nsIDOMElement> tableElement = do_QueryInterface(tableNode); | |
| 228 int32_t rowCount, colCount; | |
| 229 res = GetTableSize(tableElement, &rowCount, &colCount); | |
| 230 NS_ENSURE_SUCCESS(res, res); | |
| 231 | |
| 232 SetAnonymousElementPosition(xHoriz-10, yCell-7, mAddColumnBeforeButton); | |
| 233 #ifdef DISABLE_TABLE_DELETION | |
| 234 NS_NAMED_LITERAL_STRING(classStr, "class"); | |
| 235 | |
| 236 if (colCount== 1) { | |
| 237 mRemoveColumnButton->SetAttribute(classStr, | |
| 238 NS_LITERAL_STRING("hidden")); | |
| 239 } | |
| 240 else { | |
| 241 bool hasClass = false; | |
| 242 res = mRemoveColumnButton->HasAttribute(classStr, &hasClass); | |
| 243 if (NS_SUCCEEDED(res) && hasClass) | |
| 244 mRemoveColumnButton->RemoveAttribute(classStr); | |
| 245 #endif | |
| 246 SetAnonymousElementPosition(xHoriz-4, yCell-7, mRemoveColumnButton); | |
| 247 #ifdef DISABLE_TABLE_DELETION | |
| 248 } | |
| 249 #endif | |
| 250 SetAnonymousElementPosition(xHoriz+6, yCell-7, mAddColumnAfterButton); | |
| 251 | |
| 252 SetAnonymousElementPosition(xCell-7, yVert-10, mAddRowBeforeButton); | |
| 253 #ifdef DISABLE_TABLE_DELETION | |
| 254 if (rowCount== 1) { | |
| 255 mRemoveRowButton->SetAttribute(classStr, | |
| 256 NS_LITERAL_STRING("hidden")); | |
| 257 } | |
| 258 else { | |
| 259 bool hasClass = false; | |
| 260 res = mRemoveRowButton->HasAttribute(classStr, &hasClass); | |
| 261 if (NS_SUCCEEDED(res) && hasClass) | |
| 262 mRemoveRowButton->RemoveAttribute(classStr); | |
| 263 #endif | |
| 264 SetAnonymousElementPosition(xCell-7, yVert-4, mRemoveRowButton); | |
| 265 #ifdef DISABLE_TABLE_DELETION | |
| 266 } | |
| 267 #endif | |
| 268 SetAnonymousElementPosition(xCell-7, yVert+6, mAddRowAfterButton); | |
| 269 | |
| 270 return NS_OK; | |
| 271 } | |
| 272 |
