omnibox_view_views.cc revision 58537e28ecd584eab876aee8be7156509866d23a
1// Copyright (c) 2012 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#include "chrome/browser/ui/views/omnibox/omnibox_view_views.h" 6 7#include "base/command_line.h" 8#include "base/logging.h" 9#include "base/strings/string_util.h" 10#include "base/strings/utf_string_conversions.h" 11#include "chrome/app/chrome_command_ids.h" 12#include "chrome/browser/autocomplete/autocomplete_input.h" 13#include "chrome/browser/autocomplete/autocomplete_match.h" 14#include "chrome/browser/bookmarks/bookmark_node_data.h" 15#include "chrome/browser/command_updater.h" 16#include "chrome/browser/search/search.h" 17#include "chrome/browser/ui/omnibox/omnibox_edit_controller.h" 18#include "chrome/browser/ui/omnibox/omnibox_edit_model.h" 19#include "chrome/browser/ui/omnibox/omnibox_popup_model.h" 20#include "chrome/browser/ui/view_ids.h" 21#include "chrome/browser/ui/views/location_bar/location_bar_view.h" 22#include "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h" 23#include "chrome/common/chrome_switches.h" 24#include "content/public/browser/web_contents.h" 25#include "extensions/common/constants.h" 26#include "grit/app_locale_settings.h" 27#include "grit/generated_resources.h" 28#include "grit/ui_strings.h" 29#include "net/base/escape.h" 30#include "third_party/skia/include/core/SkColor.h" 31#include "ui/base/accessibility/accessible_view_state.h" 32#include "ui/base/clipboard/scoped_clipboard_writer.h" 33#include "ui/base/dragdrop/drag_drop_types.h" 34#include "ui/base/dragdrop/os_exchange_data.h" 35#include "ui/base/events/event.h" 36#include "ui/base/ime/text_input_client.h" 37#include "ui/base/ime/text_input_type.h" 38#include "ui/base/l10n/l10n_util.h" 39#include "ui/base/models/simple_menu_model.h" 40#include "ui/base/resource/resource_bundle.h" 41#include "ui/gfx/canvas.h" 42#include "ui/gfx/font_list.h" 43#include "ui/gfx/selection_model.h" 44#include "ui/views/border.h" 45#include "ui/views/button_drag_utils.h" 46#include "ui/views/controls/textfield/textfield.h" 47#include "ui/views/ime/input_method.h" 48#include "ui/views/layout/fill_layout.h" 49#include "ui/views/views_delegate.h" 50#include "ui/views/widget/widget.h" 51#include "url/gurl.h" 52 53#if defined(USE_AURA) 54#include "ui/aura/focus_manager.h" 55#include "ui/aura/root_window.h" 56#include "ui/compositor/layer.h" 57#endif 58 59namespace { 60 61// Stores omnibox state for each tab. 62struct OmniboxState : public base::SupportsUserData::Data { 63 static const char kKey[]; 64 65 OmniboxState(const OmniboxEditModel::State& model_state, 66 const gfx::SelectionModel& selection_model); 67 virtual ~OmniboxState(); 68 69 const OmniboxEditModel::State model_state; 70 const gfx::SelectionModel selection_model; 71}; 72 73// static 74const char OmniboxState::kKey[] = "OmniboxState"; 75 76OmniboxState::OmniboxState(const OmniboxEditModel::State& model_state, 77 const gfx::SelectionModel& selection_model) 78 : model_state(model_state), 79 selection_model(selection_model) { 80} 81 82OmniboxState::~OmniboxState() {} 83 84// This will write |url| and |text| to the clipboard as a well-formed URL. 85void DoCopyURL(const GURL& url, const string16& text) { 86 BookmarkNodeData data; 87 data.ReadFromTuple(url, text); 88 data.WriteToClipboard(); 89} 90 91bool IsOmniboxAutoCompletionForImeEnabled() { 92 return !CommandLine::ForCurrentProcess()->HasSwitch( 93 switches::kDisableOmniboxAutoCompletionForIme); 94} 95 96} // namespace 97 98// static 99const char OmniboxViewViews::kViewClassName[] = "OmniboxViewViews"; 100 101OmniboxViewViews::OmniboxViewViews(OmniboxEditController* controller, 102 Profile* profile, 103 CommandUpdater* command_updater, 104 bool popup_window_mode, 105 LocationBarView* location_bar, 106 const gfx::FontList& font_list, 107 int font_y_offset) 108 : OmniboxView(profile, controller, command_updater), 109 popup_window_mode_(popup_window_mode), 110 security_level_(ToolbarModel::NONE), 111 ime_composing_before_change_(false), 112 delete_at_end_pressed_(false), 113 location_bar_view_(location_bar), 114 ime_candidate_window_open_(false), 115 select_all_on_mouse_release_(false), 116 select_all_on_gesture_tap_(false) { 117 RemoveBorder(); 118 set_id(VIEW_ID_OMNIBOX); 119 SetFontList(font_list); 120 SetVerticalMargins(font_y_offset, 0); 121 SetVerticalAlignment(gfx::ALIGN_TOP); 122} 123 124OmniboxViewViews::~OmniboxViewViews() { 125#if defined(OS_CHROMEOS) 126 chromeos::input_method::InputMethodManager::Get()-> 127 RemoveCandidateWindowObserver(this); 128#endif 129 130 // Explicitly teardown members which have a reference to us. Just to be safe 131 // we want them to be destroyed before destroying any other internal state. 132 popup_view_.reset(); 133} 134 135//////////////////////////////////////////////////////////////////////////////// 136// OmniboxViewViews public: 137 138void OmniboxViewViews::Init() { 139 SetController(this); 140 SetTextInputType(ui::TEXT_INPUT_TYPE_URL); 141 SetBackgroundColor(location_bar_view_->GetColor( 142 ToolbarModel::NONE, LocationBarView::BACKGROUND)); 143 144 if (popup_window_mode_) 145 SetReadOnly(true); 146 147 // Initialize the popup view using the same font. 148 popup_view_.reset(OmniboxPopupContentsView::Create( 149 font_list(), this, model(), location_bar_view_)); 150 151#if defined(OS_CHROMEOS) 152 chromeos::input_method::InputMethodManager::Get()-> 153 AddCandidateWindowObserver(this); 154#endif 155} 156 157//////////////////////////////////////////////////////////////////////////////// 158// OmniboxViewViews, views::Textfield implementation: 159 160const char* OmniboxViewViews::GetClassName() const { 161 return kViewClassName; 162} 163 164void OmniboxViewViews::OnGestureEvent(ui::GestureEvent* event) { 165 views::Textfield::OnGestureEvent(event); 166 if (!HasFocus() && event->type() == ui::ET_GESTURE_TAP_DOWN) { 167 select_all_on_gesture_tap_ = true; 168 return; 169 } 170 if (select_all_on_gesture_tap_ && event->type() == ui::ET_GESTURE_TAP) 171 SelectAll(false); 172 select_all_on_gesture_tap_ = false; 173} 174 175void OmniboxViewViews::GetAccessibleState(ui::AccessibleViewState* state) { 176 location_bar_view_->GetAccessibleState(state); 177 state->role = ui::AccessibilityTypes::ROLE_TEXT; 178} 179 180bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) { 181 select_all_on_mouse_release_ = 182 (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) && 183 (!HasFocus() || (model()->focus_state() == OMNIBOX_FOCUS_INVISIBLE)); 184 // Restore caret visibility whenever the user clicks in the omnibox in a way 185 // that would give it focus. We must handle this case separately here because 186 // if the omnibox currently has invisible focus, the mouse event won't trigger 187 // either SetFocus() or OmniboxEditModel::OnSetFocus(). 188 if (select_all_on_mouse_release_) 189 model()->SetCaretVisibility(true); 190 return views::Textfield::OnMousePressed(event); 191} 192 193bool OmniboxViewViews::OnMouseDragged(const ui::MouseEvent& event) { 194 select_all_on_mouse_release_ = false; 195 return views::Textfield::OnMouseDragged(event); 196} 197 198void OmniboxViewViews::OnMouseReleased(const ui::MouseEvent& event) { 199 views::Textfield::OnMouseReleased(event); 200 // When the user has clicked and released to give us focus, select all unless 201 // we're doing search term replacement (in which case refining the existing 202 // query is common enough that we do click-to-place-cursor). 203 if ((event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) && 204 select_all_on_mouse_release_ && 205 !controller()->GetToolbarModel()->WouldReplaceSearchURLWithSearchTerms( 206 false)) { 207 // Select all in the reverse direction so as not to scroll the caret 208 // into view and shift the contents jarringly. 209 SelectAll(true); 210 } 211 select_all_on_mouse_release_ = false; 212} 213 214bool OmniboxViewViews::OnKeyPressed(const ui::KeyEvent& event) { 215 // Skip processing of [Alt]+<num-pad digit> Unicode alt key codes. 216 // Otherwise, if num-lock is off, the events are handled as [Up], [Down], etc. 217 if (event.IsUnicodeKeyCode()) 218 return views::Textfield::OnKeyPressed(event); 219 220 switch (event.key_code()) { 221 case ui::VKEY_RETURN: 222 model()->AcceptInput(event.IsAltDown() ? NEW_FOREGROUND_TAB : CURRENT_TAB, 223 false); 224 return true; 225 case ui::VKEY_ESCAPE: 226 return model()->OnEscapeKeyPressed(); 227 case ui::VKEY_CONTROL: 228 model()->OnControlKeyChanged(true); 229 break; 230 case ui::VKEY_DELETE: 231 if (event.IsShiftDown() && model()->popup_model()->IsOpen()) 232 model()->popup_model()->TryDeletingCurrentItem(); 233 break; 234 case ui::VKEY_UP: 235 model()->OnUpOrDownKeyPressed(-1); 236 return true; 237 case ui::VKEY_DOWN: 238 model()->OnUpOrDownKeyPressed(1); 239 return true; 240 case ui::VKEY_PRIOR: 241 if (event.IsControlDown() || event.IsAltDown() || 242 event.IsShiftDown()) { 243 return false; 244 } 245 model()->OnUpOrDownKeyPressed(-1 * model()->result().size()); 246 return true; 247 case ui::VKEY_NEXT: 248 if (event.IsControlDown() || event.IsAltDown() || 249 event.IsShiftDown()) { 250 return false; 251 } 252 model()->OnUpOrDownKeyPressed(model()->result().size()); 253 return true; 254 case ui::VKEY_V: 255 if (event.IsControlDown() && !read_only()) { 256 OnBeforePossibleChange(); 257 OnPaste(); 258 OnAfterPossibleChange(); 259 return true; 260 } 261 break; 262 default: 263 break; 264 } 265 266 bool handled = views::Textfield::OnKeyPressed(event); 267#if !defined(OS_WIN) || defined(USE_AURA) 268 // TODO(msw): Avoid this complexity, consolidate cross-platform behavior. 269 handled |= SkipDefaultKeyEventProcessing(event); 270#endif 271 return handled; 272} 273 274bool OmniboxViewViews::OnKeyReleased(const ui::KeyEvent& event) { 275 // The omnibox contents may change while the control key is pressed. 276 if (event.key_code() == ui::VKEY_CONTROL) 277 model()->OnControlKeyChanged(false); 278 return views::Textfield::OnKeyReleased(event); 279} 280 281bool OmniboxViewViews::SkipDefaultKeyEventProcessing( 282 const ui::KeyEvent& event) { 283 // Handle keyword hint tab-to-search and tabbing through dropdown results. 284 // This must run before acclerator handling invokes a focus change on tab. 285 if (views::FocusManager::IsTabTraversalKeyEvent(event)) { 286 if (model()->is_keyword_hint() && !event.IsShiftDown()) { 287 model()->AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_TAB); 288 return true; 289 } 290 if (model()->popup_model()->IsOpen()) { 291 if (event.IsShiftDown() && 292 model()->popup_model()->selected_line_state() == 293 OmniboxPopupModel::KEYWORD) { 294 model()->ClearKeyword(text()); 295 } else { 296 model()->OnUpOrDownKeyPressed(event.IsShiftDown() ? -1 : 1); 297 } 298 return true; 299 } 300 } 301 302 return Textfield::SkipDefaultKeyEventProcessing(event); 303} 304 305void OmniboxViewViews::OnFocus() { 306 views::Textfield::OnFocus(); 307 // TODO(oshima): Get control key state. 308 model()->OnSetFocus(false); 309 // Don't call controller()->OnSetFocus, this view has already acquired focus. 310 311 // Restore a valid saved selection on tab-to-focus. 312 if (location_bar_view_->GetWebContents() && !select_all_on_mouse_release_) { 313 const OmniboxState* state = static_cast<OmniboxState*>( 314 location_bar_view_->GetWebContents()->GetUserData(&OmniboxState::kKey)); 315 if (state) 316 SelectSelectionModel(state->selection_model); 317 } 318} 319 320void OmniboxViewViews::OnBlur() { 321 // Save the selection to restore on tab-to-focus. 322 if (location_bar_view_->GetWebContents()) 323 SaveStateToTab(location_bar_view_->GetWebContents()); 324 325 views::Textfield::OnBlur(); 326 gfx::NativeView native_view = NULL; 327#if defined(USE_AURA) 328 views::Widget* widget = GetWidget(); 329 if (widget) { 330 aura::client::FocusClient* client = 331 aura::client::GetFocusClient(widget->GetNativeView()); 332 if (client) 333 native_view = client->GetFocusedWindow(); 334 } 335#endif 336 model()->OnWillKillFocus(native_view); 337 // Close the popup. 338 CloseOmniboxPopup(); 339 // Tell the model to reset itself. 340 model()->OnKillFocus(); 341 controller()->OnKillFocus(); 342 343 // Make sure the beginning of the text is visible. 344 SelectRange(gfx::Range(0)); 345} 346 347//////////////////////////////////////////////////////////////////////////////// 348// OmniboxViewViews, OmniboxView implementation: 349 350void OmniboxViewViews::SaveStateToTab(content::WebContents* tab) { 351 DCHECK(tab); 352 353 // We don't want to keep the IME status, so force quit the current 354 // session here. It may affect the selection status, so order is 355 // also important. 356 if (IsIMEComposing()) { 357 GetTextInputClient()->ConfirmCompositionText(); 358 GetInputMethod()->CancelComposition(this); 359 } 360 361 // NOTE: GetStateForTabSwitch may affect GetSelection, so order is important. 362 OmniboxEditModel::State state = model()->GetStateForTabSwitch(); 363 const gfx::SelectionModel selection = GetSelectionModel(); 364 tab->SetUserData(OmniboxState::kKey, new OmniboxState(state, selection)); 365} 366 367void OmniboxViewViews::OnTabChanged(const content::WebContents* web_contents) { 368 security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false); 369 370 const OmniboxState* state = static_cast<OmniboxState*>( 371 web_contents->GetUserData(&OmniboxState::kKey)); 372 model()->RestoreState(state ? &state->model_state : NULL); 373 if (state) 374 SelectSelectionModel(state->selection_model); 375 376 // TODO(msw|oshima): Consider saving/restoring edit history. 377 ClearEditHistory(); 378} 379 380void OmniboxViewViews::Update() { 381 const ToolbarModel::SecurityLevel old_security_level = security_level_; 382 security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false); 383 if (model()->UpdatePermanentText()) { 384 // Tweak: if the user had all the text selected, select all the new text. 385 // This makes one particular case better: the user clicks in the box to 386 // change it right before the permanent URL is changed. Since the new URL 387 // is still fully selected, the user's typing will replace the edit contents 388 // as they'd intended. 389 const gfx::Range range(GetSelectedRange()); 390 const bool was_select_all = (range.length() == text().length()); 391 392 RevertAll(); 393 394 // Only select all when we have focus. If we don't have focus, selecting 395 // all is unnecessary since the selection will change on regaining focus, 396 // and can in fact cause artifacts, e.g. if the user is on the NTP and 397 // clicks a link to navigate, causing |was_select_all| to be vacuously true 398 // for the empty omnibox, and we then select all here, leading to the 399 // trailing portion of a long URL being scrolled into view. We could try 400 // and address cases like this, but it seems better to just not muck with 401 // things when the omnibox isn't focused to begin with. 402 if (was_select_all && model()->has_focus()) 403 SelectAll(range.is_reversed()); 404 } else if (old_security_level != security_level_) { 405 EmphasizeURLComponents(); 406 } 407} 408 409string16 OmniboxViewViews::GetText() const { 410 // TODO(oshima): IME support 411 return text(); 412} 413 414void OmniboxViewViews::SetWindowTextAndCaretPos(const string16& text, 415 size_t caret_pos, 416 bool update_popup, 417 bool notify_text_changed) { 418 const gfx::Range range(caret_pos, caret_pos); 419 SetTextAndSelectedRange(text, range); 420 421 if (update_popup) 422 UpdatePopup(); 423 424 if (notify_text_changed) 425 TextChanged(); 426} 427 428void OmniboxViewViews::SetForcedQuery() { 429 const string16 current_text(text()); 430 const size_t start = current_text.find_first_not_of(kWhitespaceUTF16); 431 if (start == string16::npos || (current_text[start] != '?')) 432 SetUserText(ASCIIToUTF16("?")); 433 else 434 SelectRange(gfx::Range(current_text.size(), start + 1)); 435} 436 437bool OmniboxViewViews::IsSelectAll() const { 438 // TODO(oshima): IME support. 439 return text() == GetSelectedText(); 440} 441 442bool OmniboxViewViews::DeleteAtEndPressed() { 443 return delete_at_end_pressed_; 444} 445 446void OmniboxViewViews::GetSelectionBounds(string16::size_type* start, 447 string16::size_type* end) const { 448 const gfx::Range range = GetSelectedRange(); 449 *start = static_cast<size_t>(range.start()); 450 *end = static_cast<size_t>(range.end()); 451} 452 453void OmniboxViewViews::SelectAll(bool reversed) { 454 views::Textfield::SelectAll(reversed); 455} 456 457void OmniboxViewViews::UpdatePopup() { 458 model()->SetInputInProgress(true); 459 if (!model()->has_focus()) 460 return; 461 462 // Hide the inline autocompletion for IME users. 463 location_bar_view_->SetImeInlineAutocompletion(string16()); 464 465 // Prevent inline autocomplete when the caret isn't at the end of the text, 466 // and during IME composition editing unless 467 // |kEnableOmniboxAutoCompletionForIme| is enabled. 468 const gfx::Range sel = GetSelectedRange(); 469 model()->StartAutocomplete( 470 !sel.is_empty(), 471 sel.GetMax() < text().length() || 472 (IsIMEComposing() && !IsOmniboxAutoCompletionForImeEnabled())); 473} 474 475void OmniboxViewViews::SetFocus() { 476 RequestFocus(); 477 // Restore caret visibility if focus is explicitly requested. This is 478 // necessary because if we already have invisible focus, the RequestFocus() 479 // call above will short-circuit, preventing us from reaching 480 // OmniboxEditModel::OnSetFocus(), which handles restoring visibility when the 481 // omnibox regains focus after losing focus. 482 model()->SetCaretVisibility(true); 483} 484 485void OmniboxViewViews::ApplyCaretVisibility() { 486 SetCursorEnabled(model()->is_caret_visible()); 487} 488 489void OmniboxViewViews::OnTemporaryTextMaybeChanged( 490 const string16& display_text, 491 bool save_original_selection, 492 bool notify_text_changed) { 493 if (save_original_selection) 494 saved_temporary_selection_ = GetSelectedRange(); 495 496 SetWindowTextAndCaretPos(display_text, display_text.length(), false, 497 notify_text_changed); 498} 499 500bool OmniboxViewViews::OnInlineAutocompleteTextMaybeChanged( 501 const string16& display_text, 502 size_t user_text_length) { 503 if (display_text == text()) 504 return false; 505 506 if (IsIMEComposing()) { 507 location_bar_view_->SetImeInlineAutocompletion( 508 display_text.substr(user_text_length)); 509 } else { 510 gfx::Range range(display_text.size(), user_text_length); 511 SetTextAndSelectedRange(display_text, range); 512 } 513 TextChanged(); 514 return true; 515} 516 517void OmniboxViewViews::OnRevertTemporaryText() { 518 SelectRange(saved_temporary_selection_); 519 // We got here because the user hit the Escape key. We explicitly don't call 520 // TextChanged(), since OmniboxPopupModel::ResetToDefaultMatch() has already 521 // been called by now, and it would've called TextChanged() if it was 522 // warranted. 523} 524 525void OmniboxViewViews::OnBeforePossibleChange() { 526 // Record our state. 527 text_before_change_ = text(); 528 sel_before_change_ = GetSelectedRange(); 529 ime_composing_before_change_ = IsIMEComposing(); 530} 531 532bool OmniboxViewViews::OnAfterPossibleChange() { 533 // See if the text or selection have changed since OnBeforePossibleChange(). 534 const string16 new_text = text(); 535 const gfx::Range new_sel = GetSelectedRange(); 536 const bool text_changed = (new_text != text_before_change_) || 537 (ime_composing_before_change_ != IsIMEComposing()); 538 const bool selection_differs = 539 !((sel_before_change_.is_empty() && new_sel.is_empty()) || 540 sel_before_change_.EqualsIgnoringDirection(new_sel)); 541 542 // When the user has deleted text, we don't allow inline autocomplete. Make 543 // sure to not flag cases like selecting part of the text and then pasting 544 // (or typing) the prefix of that selection. (We detect these by making 545 // sure the caret, which should be after any insertion, hasn't moved 546 // forward of the old selection start.) 547 const bool just_deleted_text = 548 (text_before_change_.length() > new_text.length()) && 549 (new_sel.start() <= sel_before_change_.GetMin()); 550 551 const bool something_changed = model()->OnAfterPossibleChange( 552 text_before_change_, new_text, new_sel.start(), new_sel.end(), 553 selection_differs, text_changed, just_deleted_text, !IsIMEComposing()); 554 555 // If only selection was changed, we don't need to call model()'s 556 // OnChanged() method, which is called in TextChanged(). 557 // But we still need to call EmphasizeURLComponents() to make sure the text 558 // attributes are updated correctly. 559 if (something_changed && text_changed) 560 TextChanged(); 561 else if (selection_differs) 562 EmphasizeURLComponents(); 563 else if (delete_at_end_pressed_) 564 model()->OnChanged(); 565 566 return something_changed; 567} 568 569gfx::NativeView OmniboxViewViews::GetNativeView() const { 570 return GetWidget()->GetNativeView(); 571} 572 573gfx::NativeView OmniboxViewViews::GetRelativeWindowForPopup() const { 574 return GetWidget()->GetTopLevelWidget()->GetNativeView(); 575} 576 577void OmniboxViewViews::SetGrayTextAutocompletion(const string16& input) { 578#if defined(OS_WIN) || defined(USE_AURA) 579 location_bar_view_->SetGrayTextAutocompletion(input); 580#endif 581} 582 583string16 OmniboxViewViews::GetGrayTextAutocompletion() const { 584#if defined(OS_WIN) || defined(USE_AURA) 585 return location_bar_view_->GetGrayTextAutocompletion(); 586#else 587 return string16(); 588#endif 589} 590 591int OmniboxViewViews::TextWidth() const { 592 return native_wrapper_->GetWidthNeededForText(); 593} 594 595bool OmniboxViewViews::IsImeComposing() const { 596 return IsIMEComposing(); 597} 598 599bool OmniboxViewViews::IsImeShowingPopup() const { 600#if defined(OS_CHROMEOS) 601 return ime_candidate_window_open_; 602#else 603 const views::InputMethod* input_method = this->GetInputMethod(); 604 return input_method && input_method->IsCandidatePopupOpen(); 605#endif 606} 607 608int OmniboxViewViews::GetMaxEditWidth(int entry_width) const { 609 return entry_width; 610} 611 612views::View* OmniboxViewViews::AddToView(views::View* parent) { 613 parent->AddChildView(this); 614 return this; 615} 616 617int OmniboxViewViews::OnPerformDrop(const ui::DropTargetEvent& event) { 618 NOTIMPLEMENTED(); 619 return ui::DragDropTypes::DRAG_NONE; 620} 621 622//////////////////////////////////////////////////////////////////////////////// 623// OmniboxViewViews, views::TextfieldController implementation: 624 625void OmniboxViewViews::ContentsChanged(views::Textfield* sender, 626 const string16& new_contents) { 627} 628 629bool OmniboxViewViews::HandleKeyEvent(views::Textfield* textfield, 630 const ui::KeyEvent& event) { 631 delete_at_end_pressed_ = false; 632 633 if (event.key_code() == ui::VKEY_BACK) { 634 // No extra handling is needed in keyword search mode, if there is a 635 // non-empty selection, or if the cursor is not leading the text. 636 if (model()->is_keyword_hint() || model()->keyword().empty() || 637 HasSelection() || GetCursorPosition() != 0) 638 return false; 639 model()->ClearKeyword(text()); 640 return true; 641 } 642 643 if (event.key_code() == ui::VKEY_DELETE && !event.IsAltDown()) { 644 delete_at_end_pressed_ = 645 (!HasSelection() && GetCursorPosition() == text().length()); 646 } 647 648 // Handle the right-arrow key for LTR text and the left-arrow key for RTL text 649 // if there is gray text that needs to be committed. 650 if (GetCursorPosition() == text().length()) { 651 base::i18n::TextDirection direction = GetTextDirection(); 652 if ((direction == base::i18n::LEFT_TO_RIGHT && 653 event.key_code() == ui::VKEY_RIGHT) || 654 (direction == base::i18n::RIGHT_TO_LEFT && 655 event.key_code() == ui::VKEY_LEFT)) { 656 return model()->CommitSuggestedText(); 657 } 658 } 659 660 return false; 661} 662 663void OmniboxViewViews::OnBeforeUserAction(views::Textfield* sender) { 664 OnBeforePossibleChange(); 665} 666 667void OmniboxViewViews::OnAfterUserAction(views::Textfield* sender) { 668 OnAfterPossibleChange(); 669} 670 671void OmniboxViewViews::OnAfterCutOrCopy() { 672 ui::Clipboard* cb = ui::Clipboard::GetForCurrentThread(); 673 string16 selected_text; 674 cb->ReadText(ui::Clipboard::BUFFER_STANDARD, &selected_text); 675 GURL url; 676 bool write_url; 677 model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(), 678 &selected_text, &url, &write_url); 679 if (write_url) { 680 DoCopyURL(url, selected_text); 681 } else { 682 ui::ScopedClipboardWriter scoped_clipboard_writer( 683 ui::Clipboard::GetForCurrentThread(), ui::Clipboard::BUFFER_STANDARD); 684 scoped_clipboard_writer.WriteText(selected_text); 685 } 686} 687 688void OmniboxViewViews::OnGetDragOperationsForTextfield(int* drag_operations) { 689 string16 selected_text = GetSelectedText(); 690 GURL url; 691 bool write_url; 692 model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(), 693 &selected_text, &url, &write_url); 694 if (write_url) 695 *drag_operations |= ui::DragDropTypes::DRAG_LINK; 696} 697 698void OmniboxViewViews::OnWriteDragData(ui::OSExchangeData* data) { 699 string16 selected_text = GetSelectedText(); 700 GURL url; 701 bool write_url; 702 bool is_all_selected = IsSelectAll(); 703 model()->AdjustTextForCopy(GetSelectedRange().GetMin(), is_all_selected, 704 &selected_text, &url, &write_url); 705 data->SetString(selected_text); 706 if (write_url) { 707 gfx::Image favicon; 708 string16 title = selected_text; 709 if (is_all_selected) 710 model()->GetDataForURLExport(&url, &title, &favicon); 711 button_drag_utils::SetURLAndDragImage(url, title, favicon.AsImageSkia(), 712 data, GetWidget()); 713 data->SetURL(url, title); 714 } 715} 716 717void OmniboxViewViews::AppendDropFormats( 718 int* formats, 719 std::set<ui::OSExchangeData::CustomFormat>* custom_formats) { 720 *formats = *formats | ui::OSExchangeData::URL; 721} 722 723int OmniboxViewViews::OnDrop(const ui::OSExchangeData& data) { 724 if (HasTextBeingDragged()) 725 return ui::DragDropTypes::DRAG_NONE; 726 727 if (data.HasURL()) { 728 GURL url; 729 string16 title; 730 if (data.GetURLAndTitle(&url, &title)) { 731 string16 text(StripJavascriptSchemas(UTF8ToUTF16(url.spec()))); 732 if (model()->CanPasteAndGo(text)) { 733 model()->PasteAndGo(text); 734 return ui::DragDropTypes::DRAG_COPY; 735 } 736 } 737 } else if (data.HasString()) { 738 string16 text; 739 if (data.GetString(&text)) { 740 string16 collapsed_text(CollapseWhitespace(text, true)); 741 if (model()->CanPasteAndGo(collapsed_text)) 742 model()->PasteAndGo(collapsed_text); 743 return ui::DragDropTypes::DRAG_COPY; 744 } 745 } 746 747 return ui::DragDropTypes::DRAG_NONE; 748} 749 750void OmniboxViewViews::UpdateContextMenu(ui::SimpleMenuModel* menu_contents) { 751 if (chrome::IsQueryExtractionEnabled()) { 752 int copy_position = menu_contents->GetIndexOfCommandId(IDS_APP_COPY); 753 DCHECK_GE(copy_position, 0); 754 menu_contents->InsertItemWithStringIdAt( 755 copy_position + 1, IDC_COPY_URL, IDS_COPY_URL); 756 } 757 758 int paste_position = menu_contents->GetIndexOfCommandId(IDS_APP_PASTE); 759 DCHECK_GE(paste_position, 0); 760 menu_contents->InsertItemWithStringIdAt( 761 paste_position + 1, IDS_PASTE_AND_GO, IDS_PASTE_AND_GO); 762 763 menu_contents->AddSeparator(ui::NORMAL_SEPARATOR); 764 765 // Minor note: We use IDC_ for command id here while the underlying textfield 766 // is using IDS_ for all its command ids. This is because views cannot depend 767 // on IDC_ for now. 768 menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES, 769 IDS_EDIT_SEARCH_ENGINES); 770} 771 772bool OmniboxViewViews::IsCommandIdEnabled(int command_id) const { 773 if (command_id == IDS_PASTE_AND_GO) 774 return model()->CanPasteAndGo(GetClipboardText()); 775 if (command_id != IDC_COPY_URL) 776 return command_updater()->IsCommandEnabled(command_id); 777 return controller()->GetToolbarModel()->WouldReplaceSearchURLWithSearchTerms( 778 false); 779} 780 781bool OmniboxViewViews::IsItemForCommandIdDynamic(int command_id) const { 782 return command_id == IDS_PASTE_AND_GO; 783} 784 785string16 OmniboxViewViews::GetLabelForCommandId(int command_id) const { 786 DCHECK_EQ(IDS_PASTE_AND_GO, command_id); 787 return l10n_util::GetStringUTF16( 788 model()->IsPasteAndSearch(GetClipboardText()) ? 789 IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO); 790} 791 792bool OmniboxViewViews::HandlesCommand(int command_id) const { 793 // See description in OnPaste() for details on why we need to handle paste. 794 return command_id == IDS_APP_PASTE; 795} 796 797void OmniboxViewViews::ExecuteCommand(int command_id, int event_flags) { 798 switch (command_id) { 799 // These commands don't invoke the popup via OnBefore/AfterPossibleChange(). 800 case IDC_COPY_URL: 801 DoCopyURL(controller()->GetToolbarModel()->GetURL(), 802 controller()->GetToolbarModel()->GetText(false)); 803 break; 804 case IDS_PASTE_AND_GO: 805 model()->PasteAndGo(GetClipboardText()); 806 break; 807 case IDC_EDIT_SEARCH_ENGINES: 808 command_updater()->ExecuteCommand(command_id); 809 break; 810 811 default: 812 OnBeforePossibleChange(); 813 if (command_id == IDS_APP_PASTE) 814 OnPaste(); 815 else 816 command_updater()->ExecuteCommand(command_id); 817 OnAfterPossibleChange(); 818 break; 819 } 820} 821 822#if defined(OS_CHROMEOS) 823void OmniboxViewViews::CandidateWindowOpened( 824 chromeos::input_method::InputMethodManager* manager) { 825 ime_candidate_window_open_ = true; 826} 827 828void OmniboxViewViews::CandidateWindowClosed( 829 chromeos::input_method::InputMethodManager* manager) { 830 ime_candidate_window_open_ = false; 831} 832#endif 833 834//////////////////////////////////////////////////////////////////////////////// 835// OmniboxViewViews, private: 836 837int OmniboxViewViews::GetOmniboxTextLength() const { 838 // TODO(oshima): Support IME. 839 return static_cast<int>(text().length()); 840} 841 842void OmniboxViewViews::EmphasizeURLComponents() { 843 // See whether the contents are a URL with a non-empty host portion, which we 844 // should emphasize. To check for a URL, rather than using the type returned 845 // by Parse(), ask the model, which will check the desired page transition for 846 // this input. This can tell us whether an UNKNOWN input string is going to 847 // be treated as a search or a navigation, and is the same method the Paste 848 // And Go system uses. 849 url_parse::Component scheme, host; 850 AutocompleteInput::ParseForEmphasizeComponents(text(), &scheme, &host); 851 bool grey_out_url = text().substr(scheme.begin, scheme.len) == 852 UTF8ToUTF16(extensions::kExtensionScheme); 853 bool grey_base = model()->CurrentTextIsURL() && 854 (host.is_nonempty() || grey_out_url); 855 SetColor(location_bar_view_->GetColor( 856 security_level_, 857 grey_base ? LocationBarView::DEEMPHASIZED_TEXT : LocationBarView::TEXT)); 858 if (grey_base && !grey_out_url) { 859 ApplyColor( 860 location_bar_view_->GetColor(security_level_, LocationBarView::TEXT), 861 gfx::Range(host.begin, host.end())); 862 } 863 864 // Emphasize the scheme for security UI display purposes (if necessary). 865 // Note that we check CurrentTextIsURL() because if we're replacing search 866 // URLs with search terms, we may have a non-URL even when the user is not 867 // editing; and in some cases, e.g. for "site:foo.com" searches, the parser 868 // may have incorrectly identified a qualifier as a scheme. 869 SetStyle(gfx::DIAGONAL_STRIKE, false); 870 if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() && 871 scheme.is_nonempty() && (security_level_ != ToolbarModel::NONE)) { 872 SkColor security_color = location_bar_view_->GetColor( 873 security_level_, LocationBarView::SECURITY_TEXT); 874 const bool strike = (security_level_ == ToolbarModel::SECURITY_ERROR); 875 const gfx::Range scheme_range(scheme.begin, scheme.end()); 876 ApplyColor(security_color, scheme_range); 877 ApplyStyle(gfx::DIAGONAL_STRIKE, strike, scheme_range); 878 } 879} 880 881void OmniboxViewViews::SetTextAndSelectedRange(const string16& text, 882 const gfx::Range& range) { 883 SetText(text); 884 SelectRange(range); 885} 886 887string16 OmniboxViewViews::GetSelectedText() const { 888 // TODO(oshima): Support IME. 889 return views::Textfield::GetSelectedText(); 890} 891 892void OmniboxViewViews::OnPaste() { 893 const string16 text(GetClipboardText()); 894 if (!text.empty()) { 895 // Record this paste, so we can do different behavior. 896 model()->on_paste(); 897 // Force a Paste operation to trigger the text_changed code in 898 // OnAfterPossibleChange(), even if identical contents are pasted. 899 text_before_change_.clear(); 900 InsertOrReplaceText(text); 901 } 902} 903