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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // The Mac interface forwards most of these commands to the application layer, | |
| 6 // and I'm not really sure what to do about most of them. | |
| 7 | |
| 8 #include "config.h" | |
| 9 | |
| 10 #include "Document.h" | |
| 11 #include "EditCommand.h" | |
| 12 #include "Editor.h" | |
| 13 #include "EventHandler.h" | |
| 14 #include "EventNames.h" | |
| 15 #include "Frame.h" | |
| 16 #include "KeyboardCodes.h" | |
| 17 #include "HTMLInputElement.h" | |
| 18 #include "HTMLNames.h" | |
| 19 #include "KeyboardEvent.h" | |
| 20 #include "PlatformKeyboardEvent.h" | |
| 21 #include "PlatformString.h" | |
| 22 #include "RenderObject.h" | |
| 23 #undef LOG | |
| 24 | |
| 25 #include "webkit/api/public/WebEditingAction.h" | |
| 26 #include "webkit/api/public/WebKit.h" | |
| 27 #include "webkit/api/public/WebNode.h" | |
| 28 #include "webkit/api/public/WebRange.h" | |
| 29 #include "webkit/api/public/WebTextAffinity.h" | |
| 30 #include "webkit/api/public/WebViewClient.h" | |
| 31 // Can include api/src since eventually editor_client_impl will be there too. | |
| 32 #include "webkit/api/src/DOMUtilitiesPrivate.h" | |
| 33 #include "webkit/api/src/PasswordAutocompleteListener.h" | |
| 34 #include "webkit/glue/editor_client_impl.h" | |
| 35 #include "webkit/glue/form_field_values.h" | |
| 36 #include "webkit/glue/glue_util.h" | |
| 37 #include "webkit/glue/webview_impl.h" | |
| 38 | |
| 39 using WebKit::PasswordAutocompleteListener; | |
| 40 using WebKit::WebEditingAction; | |
| 41 using WebKit::WebString; | |
| 42 using WebKit::WebTextAffinity; | |
| 43 | |
| 44 // Arbitrary depth limit for the undo stack, to keep it from using | |
| 45 // unbounded memory. This is the maximum number of distinct undoable | |
| 46 // actions -- unbroken stretches of typed characters are coalesced | |
| 47 // into a single action. | |
| 48 static const size_t kMaximumUndoStackDepth = 1000; | |
| 49 | |
| 50 // The size above which we stop triggering autofill for an input text field | |
| 51 // (so to avoid sending long strings through IPC). | |
| 52 static const size_t kMaximumTextSizeForAutofill = 1000; | |
| 53 | |
| 54 EditorClientImpl::EditorClientImpl(WebViewImpl* webview) | |
| 55 : webview_(webview), | |
| 56 in_redo_(false), | |
| 57 backspace_or_delete_pressed_(false), | |
| 58 spell_check_this_field_status_(SPELLCHECK_AUTOMATIC), | |
| 59 ALLOW_THIS_IN_INITIALIZER_LIST( | |
| 60 autofill_timer_(this, &EditorClientImpl::DoAutofill)) { | |
| 61 } | |
| 62 | |
| 63 EditorClientImpl::~EditorClientImpl() { | |
| 64 } | |
| 65 | |
| 66 void EditorClientImpl::pageDestroyed() { | |
| 67 // Our lifetime is bound to the WebViewImpl. | |
| 68 } | |
| 69 | |
| 70 bool EditorClientImpl::shouldShowDeleteInterface(WebCore::HTMLElement* elem) { | |
| 71 // Normally, we don't care to show WebCore's deletion UI, so we only enable | |
| 72 // it if in testing mode and the test specifically requests it by using this | |
| 73 // magic class name. | |
| 74 return WebKit::layoutTestMode() && | |
| 75 elem->getAttribute(WebCore::HTMLNames::classAttr) == "needsDeletionUI"; | |
| 76 } | |
| 77 | |
| 78 bool EditorClientImpl::smartInsertDeleteEnabled() { | |
| 79 if (webview_->client()) | |
| 80 return webview_->client()->isSmartInsertDeleteEnabled(); | |
| 81 return true; | |
| 82 } | |
| 83 | |
| 84 bool EditorClientImpl::isSelectTrailingWhitespaceEnabled() { | |
| 85 if (webview_->client()) | |
| 86 return webview_->client()->isSelectTrailingWhitespaceEnabled(); | |
| 87 | |
| 88 #if PLATFORM(WIN_OS) | |
| 89 return true; | |
| 90 #else | |
| 91 return false; | |
| 92 #endif | |
| 93 } | |
| 94 | |
| 95 bool EditorClientImpl::ShouldSpellcheckByDefault() { | |
| 96 // Spellcheck should be enabled for all editable areas (such as textareas, | |
| 97 // contentEditable regions, and designMode docs), except text inputs. | |
| 98 const WebCore::Frame* frame = webview_->GetFocusedWebCoreFrame(); | |
| 99 if (!frame) | |
| 100 return false; | |
| 101 const WebCore::Editor* editor = frame->editor(); | |
| 102 if (!editor) | |
| 103 return false; | |
| 104 if (editor->spellCheckingEnabledInFocusedNode()) | |
| 105 return true; | |
| 106 const WebCore::Document* document = frame->document(); | |
| 107 if (!document) | |
| 108 return false; | |
| 109 const WebCore::Node* node = document->focusedNode(); | |
| 110 // If |node| is NULL, we default to allowing spellchecking. This is done in | |
| 111 // order to mitigate the issue when the user clicks outside the textbox, as a | |
| 112 // result of which |node| becomes NULL, resulting in all the spell check | |
| 113 // markers being deleted. Also, the Frame will decide not to do spellchecking | |
| 114 // if the user can't edit - so returning true here will not cause any problems | |
| 115 // to the Frame's behavior. | |
| 116 if (!node) | |
| 117 return true; | |
| 118 const WebCore::RenderObject* renderer = node->renderer(); | |
| 119 if (!renderer) | |
| 120 return false; | |
| 121 | |
| 122 return !renderer->isTextField(); | |
| 123 } | |
| 124 | |
| 125 bool EditorClientImpl::isContinuousSpellCheckingEnabled() { | |
| 126 if (spell_check_this_field_status_ == SPELLCHECK_FORCED_OFF) | |
| 127 return false; | |
| 128 if (spell_check_this_field_status_ == SPELLCHECK_FORCED_ON) | |
| 129 return true; | |
| 130 return ShouldSpellcheckByDefault(); | |
| 131 } | |
| 132 | |
| 133 void EditorClientImpl::toggleContinuousSpellChecking() { | |
| 134 if (isContinuousSpellCheckingEnabled()) | |
| 135 spell_check_this_field_status_ = SPELLCHECK_FORCED_OFF; | |
| 136 else | |
| 137 spell_check_this_field_status_ = SPELLCHECK_FORCED_ON; | |
| 138 } | |
| 139 | |
| 140 bool EditorClientImpl::isGrammarCheckingEnabled() { | |
| 141 return false; | |
| 142 } | |
| 143 | |
| 144 void EditorClientImpl::toggleGrammarChecking() { | |
| 145 notImplemented(); | |
| 146 } | |
| 147 | |
| 148 int EditorClientImpl::spellCheckerDocumentTag() { | |
| 149 ASSERT_NOT_REACHED(); | |
| 150 return 0; | |
| 151 } | |
| 152 | |
| 153 bool EditorClientImpl::isEditable() { | |
| 154 return false; | |
| 155 } | |
| 156 | |
| 157 bool EditorClientImpl::shouldBeginEditing(WebCore::Range* range) { | |
| 158 if (webview_->client()) { | |
| 159 return webview_->client()->shouldBeginEditing( | |
| 160 webkit_glue::RangeToWebRange(range)); | |
| 161 } | |
| 162 return true; | |
| 163 } | |
| 164 | |
| 165 bool EditorClientImpl::shouldEndEditing(WebCore::Range* range) { | |
| 166 if (webview_->client()) { | |
| 167 return webview_->client()->shouldEndEditing( | |
| 168 webkit_glue::RangeToWebRange(range)); | |
| 169 } | |
| 170 return true; | |
| 171 } | |
| 172 | |
| 173 bool EditorClientImpl::shouldInsertNode(WebCore::Node* node, | |
| 174 WebCore::Range* range, | |
| 175 WebCore::EditorInsertAction action) { | |
| 176 if (webview_->client()) { | |
| 177 return webview_->client()->shouldInsertNode( | |
| 178 webkit_glue::NodeToWebNode(node), | |
| 179 webkit_glue::RangeToWebRange(range), | |
| 180 static_cast<WebEditingAction>(action)); | |
| 181 } | |
| 182 return true; | |
| 183 } | |
| 184 | |
| 185 bool EditorClientImpl::shouldInsertText(const WebCore::String& text, | |
| 186 WebCore::Range* range, | |
| 187 WebCore::EditorInsertAction action) { | |
| 188 if (webview_->client()) { | |
| 189 return webview_->client()->shouldInsertText( | |
| 190 webkit_glue::StringToWebString(text), | |
| 191 webkit_glue::RangeToWebRange(range), | |
| 192 static_cast<WebEditingAction>(action)); | |
| 193 } | |
| 194 return true; | |
| 195 } | |
| 196 | |
| 197 | |
| 198 bool EditorClientImpl::shouldDeleteRange(WebCore::Range* range) { | |
| 199 if (webview_->client()) { | |
| 200 return webview_->client()->shouldDeleteRange( | |
| 201 webkit_glue::RangeToWebRange(range)); | |
| 202 } | |
| 203 return true; | |
| 204 } | |
| 205 | |
| 206 bool EditorClientImpl::shouldChangeSelectedRange(WebCore::Range* from_range, | |
| 207 WebCore::Range* to_range, | |
| 208 WebCore::EAffinity affinity, | |
| 209 bool still_selecting) { | |
| 210 if (webview_->client()) { | |
| 211 return webview_->client()->shouldChangeSelectedRange( | |
| 212 webkit_glue::RangeToWebRange(from_range), | |
| 213 webkit_glue::RangeToWebRange(to_range), | |
| 214 static_cast<WebTextAffinity>(affinity), | |
| 215 still_selecting); | |
| 216 } | |
| 217 return true; | |
| 218 } | |
| 219 | |
| 220 bool EditorClientImpl::shouldApplyStyle(WebCore::CSSStyleDeclaration* style, | |
| 221 WebCore::Range* range) { | |
| 222 if (webview_->client()) { | |
| 223 // TODO(darin): Pass a reference to the CSSStyleDeclaration somehow. | |
| 224 return webview_->client()->shouldApplyStyle( | |
| 225 WebString(), | |
| 226 webkit_glue::RangeToWebRange(range)); | |
| 227 } | |
| 228 return true; | |
| 229 } | |
| 230 | |
| 231 bool EditorClientImpl::shouldMoveRangeAfterDelete( | |
| 232 WebCore::Range* /*range*/, | |
| 233 WebCore::Range* /*rangeToBeReplaced*/) { | |
| 234 return true; | |
| 235 } | |
| 236 | |
| 237 void EditorClientImpl::didBeginEditing() { | |
| 238 if (webview_->client()) | |
| 239 webview_->client()->didBeginEditing(); | |
| 240 } | |
| 241 | |
| 242 void EditorClientImpl::respondToChangedSelection() { | |
| 243 if (webview_->client()) { | |
| 244 WebCore::Frame* frame = webview_->GetFocusedWebCoreFrame(); | |
| 245 if (frame) | |
| 246 webview_->client()->didChangeSelection(!frame->selection()->isRange()); | |
| 247 } | |
| 248 } | |
| 249 | |
| 250 void EditorClientImpl::respondToChangedContents() { | |
| 251 if (webview_->client()) | |
| 252 webview_->client()->didChangeContents(); | |
| 253 } | |
| 254 | |
| 255 void EditorClientImpl::didEndEditing() { | |
| 256 if (webview_->client()) | |
| 257 webview_->client()->didEndEditing(); | |
| 258 } | |
| 259 | |
| 260 void EditorClientImpl::didWriteSelectionToPasteboard() { | |
| 261 } | |
| 262 | |
| 263 void EditorClientImpl::didSetSelectionTypesForPasteboard() { | |
| 264 } | |
| 265 | |
| 266 void EditorClientImpl::registerCommandForUndo( | |
| 267 PassRefPtr<WebCore::EditCommand> command) { | |
| 268 if (undo_stack_.size() == kMaximumUndoStackDepth) | |
| 269 undo_stack_.removeFirst(); // drop oldest item off the far end | |
| 270 if (!in_redo_) | |
| 271 redo_stack_.clear(); | |
| 272 undo_stack_.append(command); | |
| 273 } | |
| 274 | |
| 275 void EditorClientImpl::registerCommandForRedo( | |
| 276 PassRefPtr<WebCore::EditCommand> command) { | |
| 277 redo_stack_.append(command); | |
| 278 } | |
| 279 | |
| 280 void EditorClientImpl::clearUndoRedoOperations() { | |
| 281 undo_stack_.clear(); | |
| 282 redo_stack_.clear(); | |
| 283 } | |
| 284 | |
| 285 bool EditorClientImpl::canUndo() const { | |
| 286 return !undo_stack_.isEmpty(); | |
| 287 } | |
| 288 | |
| 289 bool EditorClientImpl::canRedo() const { | |
| 290 return !redo_stack_.isEmpty(); | |
| 291 } | |
| 292 | |
| 293 void EditorClientImpl::undo() { | |
| 294 if (canUndo()) { | |
| 295 EditCommandStack::iterator back = --undo_stack_.end(); | |
| 296 RefPtr<WebCore::EditCommand> command(*back); | |
| 297 undo_stack_.remove(back); | |
| 298 command->unapply(); | |
| 299 // unapply will call us back to push this command onto the redo stack. | |
| 300 } | |
| 301 } | |
| 302 | |
| 303 void EditorClientImpl::redo() { | |
| 304 if (canRedo()) { | |
| 305 EditCommandStack::iterator back = --redo_stack_.end(); | |
| 306 RefPtr<WebCore::EditCommand> command(*back); | |
| 307 redo_stack_.remove(back); | |
| 308 | |
| 309 ASSERT(!in_redo_); | |
| 310 in_redo_ = true; | |
| 311 command->reapply(); | |
| 312 // reapply will call us back to push this command onto the undo stack. | |
| 313 in_redo_ = false; | |
| 314 } | |
| 315 } | |
| 316 | |
| 317 // The below code was adapted from the WebKit file webview.cpp | |
| 318 // provided by Apple, Inc, and is subject to the following copyright | |
| 319 // notice and disclaimer. | |
| 320 | |
| 321 /* | |
| 322 * Copyright (C) 2006, 2007 Apple, Inc. All rights reserved. | |
| 323 * | |
| 324 * Redistribution and use in source and binary forms, with or without | |
| 325 * modification, are permitted provided that the following conditions | |
| 326 * are met: | |
| 327 * 1. Redistributions of source code must retain the above copyright | |
| 328 * notice, this list of conditions and the following disclaimer. | |
| 329 * 2. Redistributions in binary form must reproduce the above copyright | |
| 330 * notice, this list of conditions and the following disclaimer in the | |
| 331 * documentation and/or other materials provided with the distribution. | |
| 332 * | |
| 333 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 334 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 335 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 336 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 337 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 338 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 339 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 340 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 341 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 342 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 343 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 344 */ | |
| 345 | |
| 346 static const unsigned CtrlKey = 1 << 0; | |
| 347 static const unsigned AltKey = 1 << 1; | |
| 348 static const unsigned ShiftKey = 1 << 2; | |
| 349 static const unsigned MetaKey = 1 << 3; | |
| 350 #if PLATFORM(DARWIN) | |
| 351 // Aliases for the generic key defintions to make kbd shortcuts definitions more | |
| 352 // readable on OS X. | |
| 353 static const unsigned OptionKey = AltKey; | |
| 354 static const unsigned CommandKey = MetaKey; | |
| 355 #endif | |
| 356 | |
| 357 // Keys with special meaning. These will be delegated to the editor using | |
| 358 // the execCommand() method | |
| 359 struct KeyDownEntry { | |
| 360 unsigned virtualKey; | |
| 361 unsigned modifiers; | |
| 362 const char* name; | |
| 363 }; | |
| 364 | |
| 365 struct KeyPressEntry { | |
| 366 unsigned charCode; | |
| 367 unsigned modifiers; | |
| 368 const char* name; | |
| 369 }; | |
| 370 | |
| 371 static const KeyDownEntry keyDownEntries[] = { | |
| 372 { WebCore::VKEY_LEFT, 0, "MoveLeft" }, | |
| 373 { WebCore::VKEY_LEFT, ShiftKey, "MoveLeftAndModifySelection" }, | |
| 374 #if PLATFORM(DARWIN) | |
| 375 { WebCore::VKEY_LEFT, OptionKey, "MoveWordLeft" }, | |
| 376 { WebCore::VKEY_LEFT, OptionKey | ShiftKey, | |
| 377 "MoveWordLeftAndModifySelection" }, | |
| 378 #else | |
| 379 { WebCore::VKEY_LEFT, CtrlKey, "MoveWordLeft" }, | |
| 380 { WebCore::VKEY_LEFT, CtrlKey | ShiftKey, "MoveWordLeftAndModifySelection"}, | |
| 381 #endif | |
| 382 { WebCore::VKEY_RIGHT, 0, "MoveRight" }, | |
| 383 { WebCore::VKEY_RIGHT, ShiftKey, "MoveRightAndModifySelection" }, | |
| 384 #if PLATFORM(DARWIN) | |
| 385 { WebCore::VKEY_RIGHT, OptionKey, "MoveWordRight" }, | |
| 386 { WebCore::VKEY_RIGHT, OptionKey | ShiftKey, | |
| 387 "MoveWordRightAndModifySelection" }, | |
| 388 #else | |
| 389 { WebCore::VKEY_RIGHT, CtrlKey, "MoveWordRight" }, | |
| 390 { WebCore::VKEY_RIGHT, CtrlKey | ShiftKey, | |
| 391 "MoveWordRightAndModifySelection" }, | |
| 392 #endif | |
| 393 { WebCore::VKEY_UP, 0, "MoveUp" }, | |
| 394 { WebCore::VKEY_UP, ShiftKey, "MoveUpAndModifySelection" }, | |
| 395 { WebCore::VKEY_PRIOR, ShiftKey, "MovePageUpAndModifySelection" }, | |
| 396 { WebCore::VKEY_DOWN, 0, "MoveDown" }, | |
| 397 { WebCore::VKEY_DOWN, ShiftKey, "MoveDownAndModifySelection" }, | |
| 398 { WebCore::VKEY_NEXT, ShiftKey, "MovePageDownAndModifySelection"}, | |
| 399 { WebCore::VKEY_PRIOR, 0, "MovePageUp" }, | |
| 400 { WebCore::VKEY_NEXT, 0, "MovePageDown" }, | |
| 401 { WebCore::VKEY_HOME, 0, "MoveToBeginningOfLine" }, | |
| 402 { WebCore::VKEY_HOME, ShiftKey, | |
| 403 "MoveToBeginningOfLineAndModifySelection" }, | |
| 404 #if PLATFORM(DARWIN) | |
| 405 { WebCore::VKEY_LEFT, CommandKey, "MoveToBeginningOfLine" }, | |
| 406 { WebCore::VKEY_LEFT, CommandKey | ShiftKey, | |
| 407 "MoveToBeginningOfLineAndModifySelection" }, | |
| 408 #endif | |
| 409 #if PLATFORM(DARWIN) | |
| 410 { WebCore::VKEY_UP, CommandKey, "MoveToBeginningOfDocument" }, | |
| 411 { WebCore::VKEY_UP, CommandKey | ShiftKey, | |
| 412 "MoveToBeginningOfDocumentAndModifySelection" }, | |
| 413 #else | |
| 414 { WebCore::VKEY_HOME, CtrlKey, "MoveToBeginningOfDocument" }, | |
| 415 { WebCore::VKEY_HOME, CtrlKey | ShiftKey, | |
| 416 "MoveToBeginningOfDocumentAndModifySelection" }, | |
| 417 #endif | |
| 418 { WebCore::VKEY_END, 0, "MoveToEndOfLine" }, | |
| 419 { WebCore::VKEY_END, ShiftKey, | |
| 420 "MoveToEndOfLineAndModifySelection" }, | |
| 421 #if PLATFORM(DARWIN) | |
| 422 { WebCore::VKEY_DOWN, CommandKey, "MoveToEndOfDocument" }, | |
| 423 { WebCore::VKEY_DOWN, CommandKey | ShiftKey, | |
| 424 "MoveToEndOfDocumentAndModifySelection" }, | |
| 425 #else | |
| 426 { WebCore::VKEY_END, CtrlKey, "MoveToEndOfDocument" }, | |
| 427 { WebCore::VKEY_END, CtrlKey | ShiftKey, | |
| 428 "MoveToEndOfDocumentAndModifySelection" }, | |
| 429 #endif | |
| 430 #if PLATFORM(DARWIN) | |
| 431 { WebCore::VKEY_RIGHT, CommandKey, "MoveToEndOfLine" }, | |
| 432 { WebCore::VKEY_RIGHT, CommandKey | ShiftKey, | |
| 433 "MoveToEndOfLineAndModifySelection" }, | |
| 434 #endif | |
| 435 { WebCore::VKEY_BACK, 0, "DeleteBackward" }, | |
| 436 { WebCore::VKEY_BACK, ShiftKey, "DeleteBackward" }, | |
| 437 { WebCore::VKEY_DELETE, 0, "DeleteForward" }, | |
| 438 #if PLATFORM(DARWIN) | |
| 439 { WebCore::VKEY_BACK, OptionKey, "DeleteWordBackward" }, | |
| 440 { WebCore::VKEY_DELETE, OptionKey, "DeleteWordForward" }, | |
| 441 #else | |
| 442 { WebCore::VKEY_BACK, CtrlKey, "DeleteWordBackward" }, | |
| 443 { WebCore::VKEY_DELETE, CtrlKey, "DeleteWordForward" }, | |
| 444 #endif | |
| 445 { 'B', CtrlKey, "ToggleBold" }, | |
| 446 { 'I', CtrlKey, "ToggleItalic" }, | |
| 447 { 'U', CtrlKey, "ToggleUnderline" }, | |
| 448 { WebCore::VKEY_ESCAPE, 0, "Cancel" }, | |
| 449 { WebCore::VKEY_OEM_PERIOD, CtrlKey, "Cancel" }, | |
| 450 { WebCore::VKEY_TAB, 0, "InsertTab" }, | |
| 451 { WebCore::VKEY_TAB, ShiftKey, "InsertBacktab" }, | |
| 452 { WebCore::VKEY_RETURN, 0, "InsertNewline" }, | |
| 453 { WebCore::VKEY_RETURN, CtrlKey, "InsertNewline" }, | |
| 454 { WebCore::VKEY_RETURN, AltKey, "InsertNewline" }, | |
| 455 { WebCore::VKEY_RETURN, AltKey | ShiftKey, "InsertNewline" }, | |
| 456 { WebCore::VKEY_RETURN, ShiftKey, "InsertLineBreak" }, | |
| 457 { WebCore::VKEY_INSERT, CtrlKey, "Copy" }, | |
| 458 { WebCore::VKEY_INSERT, ShiftKey, "Paste" }, | |
| 459 { WebCore::VKEY_DELETE, ShiftKey, "Cut" }, | |
| 460 #if PLATFORM(DARWIN) | |
| 461 { 'C', CommandKey, "Copy" }, | |
| 462 { 'V', CommandKey, "Paste" }, | |
| 463 { 'V', CommandKey | ShiftKey, | |
| 464 "PasteAndMatchStyle" }, | |
| 465 { 'X', CommandKey, "Cut" }, | |
| 466 { 'A', CommandKey, "SelectAll" }, | |
| 467 { 'Z', CommandKey, "Undo" }, | |
| 468 { 'Z', CommandKey | ShiftKey, | |
| 469 "Redo" }, | |
| 470 { 'Y', CommandKey, "Redo" }, | |
| 471 #else | |
| 472 { 'C', CtrlKey, "Copy" }, | |
| 473 { 'V', CtrlKey, "Paste" }, | |
| 474 { 'V', CtrlKey | ShiftKey, "PasteAndMatchStyle" }, | |
| 475 { 'X', CtrlKey, "Cut" }, | |
| 476 { 'A', CtrlKey, "SelectAll" }, | |
| 477 { 'Z', CtrlKey, "Undo" }, | |
| 478 { 'Z', CtrlKey | ShiftKey, "Redo" }, | |
| 479 { 'Y', CtrlKey, "Redo" }, | |
| 480 #endif | |
| 481 }; | |
| 482 | |
| 483 static const KeyPressEntry keyPressEntries[] = { | |
| 484 { '\t', 0, "InsertTab" }, | |
| 485 { '\t', ShiftKey, "InsertBacktab" }, | |
| 486 { '\r', 0, "InsertNewline" }, | |
| 487 { '\r', CtrlKey, "InsertNewline" }, | |
| 488 { '\r', ShiftKey, "InsertLineBreak" }, | |
| 489 { '\r', AltKey, "InsertNewline" }, | |
| 490 { '\r', AltKey | ShiftKey, "InsertNewline" }, | |
| 491 }; | |
| 492 | |
| 493 const char* EditorClientImpl::interpretKeyEvent( | |
| 494 const WebCore::KeyboardEvent* evt) { | |
| 495 const WebCore::PlatformKeyboardEvent* keyEvent = evt->keyEvent(); | |
| 496 if (!keyEvent) | |
| 497 return ""; | |
| 498 | |
| 499 static HashMap<int, const char*>* keyDownCommandsMap = 0; | |
| 500 static HashMap<int, const char*>* keyPressCommandsMap = 0; | |
| 501 | |
| 502 if (!keyDownCommandsMap) { | |
| 503 keyDownCommandsMap = new HashMap<int, const char*>; | |
| 504 keyPressCommandsMap = new HashMap<int, const char*>; | |
| 505 | |
| 506 for (unsigned i = 0; i < arraysize(keyDownEntries); i++) { | |
| 507 keyDownCommandsMap->set( | |
| 508 keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, | |
| 509 keyDownEntries[i].name); | |
| 510 } | |
| 511 | |
| 512 for (unsigned i = 0; i < arraysize(keyPressEntries); i++) { | |
| 513 keyPressCommandsMap->set( | |
| 514 keyPressEntries[i].modifiers << 16 | keyPressEntries[i].charCode, | |
| 515 keyPressEntries[i].name); | |
| 516 } | |
| 517 } | |
| 518 | |
| 519 unsigned modifiers = 0; | |
| 520 if (keyEvent->shiftKey()) | |
| 521 modifiers |= ShiftKey; | |
| 522 if (keyEvent->altKey()) | |
| 523 modifiers |= AltKey; | |
| 524 if (keyEvent->ctrlKey()) | |
| 525 modifiers |= CtrlKey; | |
| 526 if (keyEvent->metaKey()) | |
| 527 modifiers |= MetaKey; | |
| 528 | |
| 529 if (keyEvent->type() == WebCore::PlatformKeyboardEvent::RawKeyDown) { | |
| 530 int mapKey = modifiers << 16 | evt->keyCode(); | |
| 531 return mapKey ? keyDownCommandsMap->get(mapKey) : 0; | |
| 532 } | |
| 533 | |
| 534 int mapKey = modifiers << 16 | evt->charCode(); | |
| 535 return mapKey ? keyPressCommandsMap->get(mapKey) : 0; | |
| 536 } | |
| 537 | |
| 538 bool EditorClientImpl::handleEditingKeyboardEvent( | |
| 539 WebCore::KeyboardEvent* evt) { | |
| 540 const WebCore::PlatformKeyboardEvent* keyEvent = evt->keyEvent(); | |
| 541 // do not treat this as text input if it's a system key event | |
| 542 if (!keyEvent || keyEvent->isSystemKey()) | |
| 543 return false; | |
| 544 | |
| 545 WebCore::Frame* frame = evt->target()->toNode()->document()->frame(); | |
| 546 if (!frame) | |
| 547 return false; | |
| 548 | |
| 549 WebCore::String command_name = interpretKeyEvent(evt); | |
| 550 WebCore::Editor::Command command = frame->editor()->command(command_name); | |
| 551 | |
| 552 if (keyEvent->type() == WebCore::PlatformKeyboardEvent::RawKeyDown) { | |
| 553 // WebKit doesn't have enough information about mode to decide how | |
| 554 // commands that just insert text if executed via Editor should be treated, | |
| 555 // so we leave it upon WebCore to either handle them immediately | |
| 556 // (e.g. Tab that changes focus) or let a keypress event be generated | |
| 557 // (e.g. Tab that inserts a Tab character, or Enter). | |
| 558 if (command.isTextInsertion() || command_name.isEmpty()) | |
| 559 return false; | |
| 560 if (command.execute(evt)) { | |
| 561 if (webview_->client()) { | |
| 562 webview_->client()->didExecuteCommand( | |
| 563 webkit_glue::StringToWebString(command_name)); | |
| 564 } | |
| 565 return true; | |
| 566 } | |
| 567 return false; | |
| 568 } | |
| 569 | |
| 570 if (command.execute(evt)) { | |
| 571 if (webview_->client()) { | |
| 572 webview_->client()->didExecuteCommand( | |
| 573 webkit_glue::StringToWebString(command_name)); | |
| 574 } | |
| 575 return true; | |
| 576 } | |
| 577 | |
| 578 // Here we need to filter key events. | |
| 579 // On Gtk/Linux, it emits key events with ASCII text and ctrl on for ctrl-<x>. | |
| 580 // In Webkit, EditorClient::handleKeyboardEvent in | |
| 581 // WebKit/gtk/WebCoreSupport/EditorClientGtk.cpp drop such events. | |
| 582 // On Mac, it emits key events with ASCII text and meta on for Command-<x>. | |
| 583 // These key events should not emit text insert event. | |
| 584 // Alt key would be used to insert alternative character, so we should let | |
| 585 // through. Also note that Ctrl-Alt combination equals to AltGr key which is | |
| 586 // also used to insert alternative character. | |
| 587 // http://code.google.com/p/chromium/issues/detail?id=10846 | |
| 588 // Windows sets both alt and meta are on when "Alt" key pressed. | |
| 589 // http://code.google.com/p/chromium/issues/detail?id=2215 | |
| 590 // Also, we should not rely on an assumption that keyboards don't | |
| 591 // send ASCII characters when pressing a control key on Windows, | |
| 592 // which may be configured to do it so by user. | |
| 593 // See also http://en.wikipedia.org/wiki/Keyboard_Layout | |
| 594 // TODO(ukai): investigate more detail for various keyboard layout. | |
| 595 if (evt->keyEvent()->text().length() == 1) { | |
| 596 UChar ch = evt->keyEvent()->text()[0U]; | |
| 597 | |
| 598 // Don't insert null or control characters as they can result in | |
| 599 // unexpected behaviour | |
| 600 if (ch < ' ') | |
| 601 return false; | |
| 602 #if !PLATFORM(WIN_OS) | |
| 603 // Don't insert ASCII character if ctrl w/o alt or meta is on. | |
| 604 // On Mac, we should ignore events when meta is on (Command-<x>). | |
| 605 if (ch < 0x80) { | |
| 606 if (evt->keyEvent()->ctrlKey() && !evt->keyEvent()->altKey()) | |
| 607 return false; | |
| 608 #if PLATFORM(DARWIN) | |
| 609 if (evt->keyEvent()->metaKey()) | |
| 610 return false; | |
| 611 #endif | |
| 612 } | |
| 613 #endif | |
| 614 } | |
| 615 | |
| 616 if (!frame->editor()->canEdit()) | |
| 617 return false; | |
| 618 | |
| 619 return frame->editor()->insertText(evt->keyEvent()->text(), evt); | |
| 620 } | |
| 621 | |
| 622 // | |
| 623 // End of code block subject to Apple, Inc. copyright | |
| 624 // | |
| 625 | |
| 626 void EditorClientImpl::handleKeyboardEvent(WebCore::KeyboardEvent* evt) { | |
| 627 if (evt->keyCode() == WebCore::VKEY_DOWN || | |
| 628 evt->keyCode() == WebCore::VKEY_UP) { | |
| 629 ASSERT(evt->target()->toNode()); | |
| 630 ShowFormAutofillForNode(evt->target()->toNode()); | |
| 631 } | |
| 632 | |
| 633 // Give the embedder a chance to handle the keyboard event. | |
| 634 if ((webview_->client() && | |
| 635 webview_->client()->handleCurrentKeyboardEvent()) || | |
| 636 handleEditingKeyboardEvent(evt)) | |
| 637 evt->setDefaultHandled(); | |
| 638 } | |
| 639 | |
| 640 void EditorClientImpl::handleInputMethodKeydown( | |
| 641 WebCore::KeyboardEvent* keyEvent) { | |
| 642 // We handle IME within chrome. | |
| 643 } | |
| 644 | |
| 645 void EditorClientImpl::textFieldDidBeginEditing(WebCore::Element*) { | |
| 646 } | |
| 647 | |
| 648 void EditorClientImpl::textFieldDidEndEditing(WebCore::Element* element) { | |
| 649 // Notification that focus was lost. Be careful with this, it's also sent | |
| 650 // when the page is being closed. | |
| 651 | |
| 652 // Cancel any pending DoAutofill call. | |
| 653 autofill_args_.clear(); | |
| 654 autofill_timer_.stop(); | |
| 655 | |
| 656 // Hide any showing popup. | |
| 657 webview_->HideAutoCompletePopup(); | |
| 658 | |
| 659 if (!webview_->client()) | |
| 660 return; // The page is getting closed, don't fill the password. | |
| 661 | |
| 662 // Notify any password-listener of the focus change. | |
| 663 WebCore::HTMLInputElement* input_element = | |
| 664 WebKit::toHTMLInputElement(element); | |
| 665 if (!input_element) | |
| 666 return; | |
| 667 | |
| 668 WebFrameImpl* webframe = | |
| 669 WebFrameImpl::FromFrame(input_element->document()->frame()); | |
| 670 PasswordAutocompleteListener* listener = | |
| 671 webframe->GetPasswordListener(input_element); | |
| 672 if (!listener) | |
| 673 return; | |
| 674 | |
| 675 listener->didBlurInputElement(input_element->value()); | |
| 676 } | |
| 677 | |
| 678 void EditorClientImpl::textDidChangeInTextField(WebCore::Element* element) { | |
| 679 ASSERT(element->hasLocalName(WebCore::HTMLNames::inputTag)); | |
| 680 // Note that we only show the autofill popup in this case if the caret is at | |
| 681 // the end. This matches FireFox and Safari but not IE. | |
| 682 Autofill(static_cast<WebCore::HTMLInputElement*>(element), | |
| 683 false, false, true); | |
| 684 } | |
| 685 | |
| 686 bool EditorClientImpl::ShowFormAutofillForNode(WebCore::Node* node) { | |
| 687 WebCore::HTMLInputElement* input_element = | |
| 688 WebKit::toHTMLInputElement(node); | |
| 689 if (input_element) | |
| 690 return Autofill(input_element, true, true, false); | |
| 691 return false; | |
| 692 } | |
| 693 | |
| 694 bool EditorClientImpl::Autofill(WebCore::HTMLInputElement* input_element, | |
| 695 bool autofill_form_only, | |
| 696 bool autofill_on_empty_value, | |
| 697 bool require_caret_at_end) { | |
| 698 // Cancel any pending DoAutofill call. | |
| 699 autofill_args_.clear(); | |
| 700 autofill_timer_.stop(); | |
| 701 | |
| 702 // Let's try to trigger autofill for that field, if applicable. | |
| 703 if (!input_element->isEnabledFormControl() || !input_element->isTextField() || | |
| 704 input_element->isPasswordField() || !input_element->autoComplete()) { | |
| 705 return false; | |
| 706 } | |
| 707 | |
| 708 string16 name = webkit_glue::StringToString16( | |
| 709 WebKit::nameOfInputElement(input_element)); | |
| 710 if (name.empty()) // If the field has no name, then we won't have values. | |
| 711 return false; | |
| 712 | |
| 713 // Don't attempt to autofill with values that are too large. | |
| 714 if (input_element->value().length() > kMaximumTextSizeForAutofill) | |
| 715 return false; | |
| 716 | |
| 717 autofill_args_ = new AutofillArgs(); | |
| 718 autofill_args_->input_element = input_element; | |
| 719 autofill_args_->autofill_form_only = autofill_form_only; | |
| 720 autofill_args_->autofill_on_empty_value = autofill_on_empty_value; | |
| 721 autofill_args_->require_caret_at_end = require_caret_at_end; | |
| 722 autofill_args_->backspace_or_delete_pressed = backspace_or_delete_pressed_; | |
| 723 | |
| 724 if (!require_caret_at_end) { | |
| 725 DoAutofill(NULL); | |
| 726 } else { | |
| 727 // We post a task for doing the autofill as the caret position is not set | |
| 728 // properly at this point (http://bugs.webkit.org/show_bug.cgi?id=16976) | |
| 729 // and we need it to determine whether or not to trigger autofill. | |
| 730 autofill_timer_.startOneShot(0.0); | |
| 731 } | |
| 732 return true; | |
| 733 } | |
| 734 | |
| 735 void EditorClientImpl::DoAutofill(WebCore::Timer<EditorClientImpl>* timer) { | |
| 736 OwnPtr<AutofillArgs> args(autofill_args_.release()); | |
| 737 WebCore::HTMLInputElement* input_element = args->input_element.get(); | |
| 738 | |
| 739 const WebCore::String& value = input_element->value(); | |
| 740 | |
| 741 // Enforce autofill_on_empty_value and caret_at_end. | |
| 742 bool is_caret_at_end = args->require_caret_at_end ? | |
| 743 input_element->selectionStart() == input_element->selectionEnd() && | |
| 744 input_element->selectionEnd() == static_cast<int>(value.length()) : | |
| 745 true; // When |require_caret_at_end| is false, just pretend we are at | |
| 746 // the end. | |
| 747 if ((!args->autofill_on_empty_value && value.isEmpty()) || !is_caret_at_end) { | |
| 748 webview_->HideAutoCompletePopup(); | |
| 749 return; | |
| 750 } | |
| 751 | |
| 752 // First let's see if there is a password listener for that element. | |
| 753 // We won't trigger form autofill in that case, as having both behavior on | |
| 754 // a node would be confusing. | |
| 755 WebFrameImpl* webframe = | |
| 756 WebFrameImpl::FromFrame(input_element->document()->frame()); | |
| 757 PasswordAutocompleteListener* listener = | |
| 758 webframe->GetPasswordListener(input_element); | |
| 759 if (listener) { | |
| 760 if (args->autofill_form_only) | |
| 761 return; | |
| 762 | |
| 763 listener->performInlineAutocomplete( | |
| 764 value, args->backspace_or_delete_pressed, true); | |
| 765 return; | |
| 766 } | |
| 767 | |
| 768 // Then trigger form autofill. | |
| 769 string16 name = webkit_glue::StringToString16( | |
| 770 WebKit::nameOfInputElement(input_element)); | |
| 771 ASSERT(static_cast<int>(name.length()) > 0); | |
| 772 | |
| 773 if (webview_->client()) { | |
| 774 webview_->client()->queryAutofillSuggestions( | |
| 775 webkit_glue::NodeToWebNode(input_element), name, | |
| 776 webkit_glue::StringToWebString(value)); | |
| 777 } | |
| 778 } | |
| 779 | |
| 780 void EditorClientImpl::CancelPendingAutofill() { | |
| 781 autofill_args_.clear(); | |
| 782 autofill_timer_.stop(); | |
| 783 } | |
| 784 | |
| 785 void EditorClientImpl::OnAutofillSuggestionAccepted( | |
| 786 WebCore::HTMLInputElement* text_field) { | |
| 787 WebFrameImpl* webframe = | |
| 788 WebFrameImpl::FromFrame(text_field->document()->frame()); | |
| 789 PasswordAutocompleteListener* listener = | |
| 790 webframe->GetPasswordListener(text_field); | |
| 791 // Password listeners need to autocomplete other fields that depend on the | |
| 792 // input element with autofill suggestions. | |
| 793 if (listener) | |
| 794 listener->performInlineAutocomplete(text_field->value(), false, false); | |
| 795 } | |
| 796 | |
| 797 bool EditorClientImpl::doTextFieldCommandFromEvent( | |
| 798 WebCore::Element* element, | |
| 799 WebCore::KeyboardEvent* event) { | |
| 800 // Remember if backspace was pressed for the autofill. It is not clear how to | |
| 801 // find if backspace was pressed from textFieldDidBeginEditing and | |
| 802 // textDidChangeInTextField as when these methods are called the value of the | |
| 803 // input element already contains the type character. | |
| 804 backspace_or_delete_pressed_ = (event->keyCode() == WebCore::VKEY_BACK) || | |
| 805 (event->keyCode() == WebCore::VKEY_DELETE); | |
| 806 | |
| 807 // The Mac code appears to use this method as a hook to implement special | |
| 808 // keyboard commands specific to Safari's auto-fill implementation. We | |
| 809 // just return false to allow the default action. | |
| 810 return false; | |
| 811 } | |
| 812 | |
| 813 void EditorClientImpl::textWillBeDeletedInTextField(WebCore::Element*) { | |
| 814 } | |
| 815 | |
| 816 void EditorClientImpl::textDidChangeInTextArea(WebCore::Element*) { | |
| 817 } | |
| 818 | |
| 819 void EditorClientImpl::ignoreWordInSpellDocument(const WebCore::String&) { | |
| 820 notImplemented(); | |
| 821 } | |
| 822 | |
| 823 void EditorClientImpl::learnWord(const WebCore::String&) { | |
| 824 notImplemented(); | |
| 825 } | |
| 826 | |
| 827 void EditorClientImpl::checkSpellingOfString(const UChar* text, int length, | |
| 828 int* misspellingLocation, | |
| 829 int* misspellingLength) { | |
| 830 // SpellCheckWord will write (0, 0) into the output vars, which is what our | |
| 831 // caller expects if the word is spelled correctly. | |
| 832 int spell_location = -1; | |
| 833 int spell_length = 0; | |
| 834 | |
| 835 // Check to see if the provided text is spelled correctly. | |
| 836 if (isContinuousSpellCheckingEnabled() && webview_->client()) { | |
| 837 webview_->client()->spellCheck( | |
| 838 WebString(text, length), spell_location, spell_length); | |
| 839 } else { | |
| 840 spell_location = 0; | |
| 841 spell_length = 0; | |
| 842 } | |
| 843 | |
| 844 // Note: the Mac code checks if the pointers are NULL before writing to them, | |
| 845 // so we do too. | |
| 846 if (misspellingLocation) | |
| 847 *misspellingLocation = spell_location; | |
| 848 if (misspellingLength) | |
| 849 *misspellingLength = spell_length; | |
| 850 } | |
| 851 | |
| 852 WebCore::String EditorClientImpl::getAutoCorrectSuggestionForMisspelledWord( | |
| 853 const WebCore::String& misspelledWord) { | |
| 854 if (!(isContinuousSpellCheckingEnabled() && webview_->client())) | |
| 855 return WebCore::String(); | |
| 856 | |
| 857 // Do not autocorrect words with capital letters in it except the | |
| 858 // first letter. This will remove cases changing "IMB" to "IBM". | |
| 859 for (size_t i = 1; i < misspelledWord.length(); i++) { | |
| 860 if (u_isupper(static_cast<UChar32>(misspelledWord[i]))) | |
| 861 return WebCore::String(); | |
| 862 } | |
| 863 | |
| 864 return webkit_glue::WebStringToString(webview_->client()->autoCorrectWord( | |
| 865 webkit_glue::StringToWebString(misspelledWord))); | |
| 866 } | |
| 867 | |
| 868 void EditorClientImpl::checkGrammarOfString(const UChar*, int length, | |
| 869 WTF::Vector<WebCore::GrammarDetail>&, int* badGrammarLocation, | |
| 870 int* badGrammarLength) { | |
| 871 notImplemented(); | |
| 872 if (badGrammarLocation) | |
| 873 *badGrammarLocation = 0; | |
| 874 if (badGrammarLength) | |
| 875 *badGrammarLength = 0; | |
| 876 } | |
| 877 | |
| 878 void EditorClientImpl::updateSpellingUIWithGrammarString(const WebCore::String&, | |
| 879 const WebCore::GrammarDetail& detail) { | |
| 880 notImplemented(); | |
| 881 } | |
| 882 | |
| 883 void EditorClientImpl::updateSpellingUIWithMisspelledWord( | |
| 884 const WebCore::String& misspelled_word) { | |
| 885 if (webview_->client()) { | |
| 886 webview_->client()->updateSpellingUIWithMisspelledWord( | |
| 887 webkit_glue::StringToWebString(misspelled_word)); | |
| 888 } | |
| 889 } | |
| 890 | |
| 891 void EditorClientImpl::showSpellingUI(bool show) { | |
| 892 if (webview_->client()) | |
| 893 webview_->client()->showSpellingUI(show); | |
| 894 } | |
| 895 | |
| 896 bool EditorClientImpl::spellingUIIsShowing() { | |
| 897 if (webview_->client()) | |
| 898 return webview_->client()->isShowingSpellingUI(); | |
| 899 return false; | |
| 900 } | |
| 901 | |
| 902 void EditorClientImpl::getGuessesForWord(const WebCore::String&, | |
| 903 WTF::Vector<WebCore::String>& guesses) { | |
| 904 notImplemented(); | |
| 905 } | |
| 906 | |
| 907 void EditorClientImpl::setInputMethodState(bool enabled) { | |
| 908 if (webview_->client()) | |
| 909 webview_->client()->setInputMethodEnabled(enabled); | |
| 910 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 330021:
Move glue/EditorClientImpl.h/cpp to webkit/api/src (Closed)
