omnibox_view_views.cc revision 68043e1e95eeb07d5cae7aca370b26518b0867d6
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/ime/text_input_client.h" 36#include "ui/base/ime/text_input_type.h" 37#include "ui/base/l10n/l10n_util.h" 38#include "ui/base/models/simple_menu_model.h" 39#include "ui/base/resource/resource_bundle.h" 40#include "ui/events/event.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(OS_WIN) 54#include "base/win/metro.h" 55#include "chrome/browser/browser_process.h" 56#endif 57 58#if defined(USE_AURA) 59#include "ui/aura/focus_manager.h" 60#include "ui/aura/root_window.h" 61#include "ui/compositor/layer.h" 62#endif 63 64namespace { 65 66// Stores omnibox state for each tab. 67struct OmniboxState : public base::SupportsUserData::Data { 68 static const char kKey[]; 69 70 OmniboxState(const OmniboxEditModel::State& model_state, 71 const gfx::Range& selection, 72 const gfx::Range& saved_selection_for_focus_change); 73 virtual ~OmniboxState(); 74 75 const OmniboxEditModel::State model_state; 76 77 // We store both the actual selection and any saved selection (for when the 78 // omnibox is not focused). This allows us to properly handle cases like 79 // selecting text, tabbing out of the omnibox, switching tabs away and back, 80 // and tabbing back into the omnibox. 81 const gfx::Range selection; 82 const gfx::Range saved_selection_for_focus_change; 83}; 84 85// static 86const char OmniboxState::kKey[] = "OmniboxState"; 87 88OmniboxState::OmniboxState(const OmniboxEditModel::State& model_state, 89 const gfx::Range& selection, 90 const gfx::Range& saved_selection_for_focus_change) 91 : model_state(model_state), 92 selection(selection), 93 saved_selection_for_focus_change(saved_selection_for_focus_change) { 94} 95 96OmniboxState::~OmniboxState() {} 97 98// We'd like to set the text input type to TEXT_INPUT_TYPE_URL, because this 99// triggers URL-specific layout in software keyboards, e.g. adding top-level "/" 100// and ".com" keys for English. However, this also causes IMEs to default to 101// Latin character mode, which makes entering search queries difficult for IME 102// users. Therefore, we try to guess whether an IME will be used based on the 103// application language, and set the input type accordingly. 104ui::TextInputType DetermineTextInputType() { 105#if defined(OS_WIN) 106 if (base::win::IsTSFAwareRequired()) { 107 DCHECK(g_browser_process); 108 const std::string& locale = g_browser_process->GetApplicationLocale(); 109 const std::string& language = locale.substr(0, 2); 110 // Assume CJK + Thai users are using an IME. 111 if (language == "ja" || 112 language == "ko" || 113 language == "th" || 114 language == "zh") 115 return ui::TEXT_INPUT_TYPE_SEARCH; 116 } 117#endif 118 return ui::TEXT_INPUT_TYPE_URL; 119} 120 121bool IsOmniboxAutoCompletionForImeEnabled() { 122 return !CommandLine::ForCurrentProcess()->HasSwitch( 123 switches::kDisableOmniboxAutoCompletionForIme); 124} 125 126} // namespace 127 128// static 129const char OmniboxViewViews::kViewClassName[] = "OmniboxViewViews"; 130 131OmniboxViewViews::OmniboxViewViews(OmniboxEditController* controller, 132 Profile* profile, 133 CommandUpdater* command_updater, 134 bool popup_window_mode, 135 LocationBarView* location_bar, 136 const gfx::FontList& font_list, 137 int font_y_offset) 138 : OmniboxView(profile, controller, command_updater), 139 popup_window_mode_(popup_window_mode), 140 security_level_(ToolbarModel::NONE), 141 saved_selection_for_focus_change_(gfx::Range::InvalidRange()), 142 ime_composing_before_change_(false), 143 delete_at_end_pressed_(false), 144 location_bar_view_(location_bar), 145 ime_candidate_window_open_(false), 146 select_all_on_mouse_release_(false), 147 select_all_on_gesture_tap_(false) { 148 RemoveBorder(); 149 set_id(VIEW_ID_OMNIBOX); 150 SetFontList(font_list); 151 SetVerticalMargins(font_y_offset, 0); 152 SetVerticalAlignment(gfx::ALIGN_TOP); 153} 154 155OmniboxViewViews::~OmniboxViewViews() { 156#if defined(OS_CHROMEOS) 157 chromeos::input_method::InputMethodManager::Get()-> 158 RemoveCandidateWindowObserver(this); 159#endif 160 161 // Explicitly teardown members which have a reference to us. Just to be safe 162 // we want them to be destroyed before destroying any other internal state. 163 popup_view_.reset(); 164} 165 166//////////////////////////////////////////////////////////////////////////////// 167// OmniboxViewViews public: 168 169void OmniboxViewViews::Init() { 170 SetController(this); 171 SetTextInputType(DetermineTextInputType()); 172 SetBackgroundColor(location_bar_view_->GetColor( 173 ToolbarModel::NONE, LocationBarView::BACKGROUND)); 174 175 if (popup_window_mode_) 176 SetReadOnly(true); 177 178 // Initialize the popup view using the same font. 179 popup_view_.reset(OmniboxPopupContentsView::Create( 180 font_list(), this, model(), location_bar_view_)); 181 182#if defined(OS_CHROMEOS) 183 chromeos::input_method::InputMethodManager::Get()-> 184 AddCandidateWindowObserver(this); 185#endif 186} 187 188//////////////////////////////////////////////////////////////////////////////// 189// OmniboxViewViews, views::Textfield implementation: 190 191const char* OmniboxViewViews::GetClassName() const { 192 return kViewClassName; 193} 194 195void OmniboxViewViews::OnGestureEvent(ui::GestureEvent* event) { 196 views::Textfield::OnGestureEvent(event); 197 if (!HasFocus() && event->type() == ui::ET_GESTURE_TAP_DOWN) { 198 select_all_on_gesture_tap_ = true; 199 200 // If we're trying to select all on tap, invalidate any saved selection lest 201 // restoring it fights with the "select all" action. 202 saved_selection_for_focus_change_ = gfx::Range::InvalidRange(); 203 return; 204 } 205 if (select_all_on_gesture_tap_ && event->type() == ui::ET_GESTURE_TAP) 206 SelectAll(false); 207 select_all_on_gesture_tap_ = false; 208} 209 210void OmniboxViewViews::GetAccessibleState(ui::AccessibleViewState* state) { 211 location_bar_view_->GetAccessibleState(state); 212 state->role = ui::AccessibilityTypes::ROLE_TEXT; 213} 214 215bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) { 216 select_all_on_mouse_release_ = 217 (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) && 218 (!HasFocus() || (model()->focus_state() == OMNIBOX_FOCUS_INVISIBLE)); 219 if (select_all_on_mouse_release_) { 220 // Restore caret visibility whenever the user clicks in the omnibox in a way 221 // that would give it focus. We must handle this case separately here 222 // because if the omnibox currently has invisible focus, the mouse event 223 // won't trigger either SetFocus() or OmniboxEditModel::OnSetFocus(). 224 model()->SetCaretVisibility(true); 225 226 // When we're going to select all on mouse release, invalidate any saved 227 // selection lest restoring it fights with the "select all" action. It's 228 // possible to later set select_all_on_mouse_release_ back to false, but 229 // that happens for things like dragging, which are cases where having 230 // invalidated this saved selection is still OK. 231 saved_selection_for_focus_change_ = gfx::Range::InvalidRange(); 232 } 233 return views::Textfield::OnMousePressed(event); 234} 235 236bool OmniboxViewViews::OnMouseDragged(const ui::MouseEvent& event) { 237 select_all_on_mouse_release_ = false; 238 return views::Textfield::OnMouseDragged(event); 239} 240 241void OmniboxViewViews::OnMouseReleased(const ui::MouseEvent& event) { 242 views::Textfield::OnMouseReleased(event); 243 // When the user has clicked and released to give us focus, select all unless 244 // we're doing search term replacement (in which case refining the existing 245 // query is common enough that we do click-to-place-cursor). 246 if ((event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) && 247 select_all_on_mouse_release_ && 248 !controller()->GetToolbarModel()->WouldPerformSearchTermReplacement( 249 false)) { 250 // Select all in the reverse direction so as not to scroll the caret 251 // into view and shift the contents jarringly. 252 SelectAll(true); 253 } 254 select_all_on_mouse_release_ = false; 255} 256 257bool OmniboxViewViews::OnKeyPressed(const ui::KeyEvent& event) { 258 // Skip processing of [Alt]+<num-pad digit> Unicode alt key codes. 259 // Otherwise, if num-lock is off, the events are handled as [Up], [Down], etc. 260 if (event.IsUnicodeKeyCode()) 261 return views::Textfield::OnKeyPressed(event); 262 263 switch (event.key_code()) { 264 case ui::VKEY_RETURN: 265 model()->AcceptInput(event.IsAltDown() ? NEW_FOREGROUND_TAB : CURRENT_TAB, 266 false); 267 return true; 268 case ui::VKEY_ESCAPE: 269 return model()->OnEscapeKeyPressed(); 270 case ui::VKEY_CONTROL: 271 model()->OnControlKeyChanged(true); 272 break; 273 case ui::VKEY_DELETE: 274 if (event.IsShiftDown() && model()->popup_model()->IsOpen()) 275 model()->popup_model()->TryDeletingCurrentItem(); 276 break; 277 case ui::VKEY_UP: 278 model()->OnUpOrDownKeyPressed(-1); 279 return true; 280 case ui::VKEY_DOWN: 281 model()->OnUpOrDownKeyPressed(1); 282 return true; 283 case ui::VKEY_PRIOR: 284 if (event.IsControlDown() || event.IsAltDown() || 285 event.IsShiftDown()) { 286 return false; 287 } 288 model()->OnUpOrDownKeyPressed(-1 * model()->result().size()); 289 return true; 290 case ui::VKEY_NEXT: 291 if (event.IsControlDown() || event.IsAltDown() || 292 event.IsShiftDown()) { 293 return false; 294 } 295 model()->OnUpOrDownKeyPressed(model()->result().size()); 296 return true; 297 case ui::VKEY_V: 298 if (event.IsControlDown() && !read_only()) { 299 OnBeforePossibleChange(); 300 OnPaste(); 301 OnAfterPossibleChange(); 302 return true; 303 } 304 break; 305 default: 306 break; 307 } 308 309 bool handled = views::Textfield::OnKeyPressed(event); 310#if !defined(OS_WIN) || defined(USE_AURA) 311 // TODO(msw): Avoid this complexity, consolidate cross-platform behavior. 312 handled |= SkipDefaultKeyEventProcessing(event); 313#endif 314 return handled; 315} 316 317bool OmniboxViewViews::OnKeyReleased(const ui::KeyEvent& event) { 318 // The omnibox contents may change while the control key is pressed. 319 if (event.key_code() == ui::VKEY_CONTROL) 320 model()->OnControlKeyChanged(false); 321 return views::Textfield::OnKeyReleased(event); 322} 323 324bool OmniboxViewViews::SkipDefaultKeyEventProcessing( 325 const ui::KeyEvent& event) { 326 // Handle keyword hint tab-to-search and tabbing through dropdown results. 327 // This must run before acclerator handling invokes a focus change on tab. 328 if (views::FocusManager::IsTabTraversalKeyEvent(event)) { 329 if (model()->is_keyword_hint() && !event.IsShiftDown()) { 330 model()->AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_TAB); 331 return true; 332 } 333 if (model()->popup_model()->IsOpen()) { 334 if (event.IsShiftDown() && 335 model()->popup_model()->selected_line_state() == 336 OmniboxPopupModel::KEYWORD) { 337 model()->ClearKeyword(text()); 338 } else { 339 model()->OnUpOrDownKeyPressed(event.IsShiftDown() ? -1 : 1); 340 } 341 return true; 342 } 343 } 344 345 return Textfield::SkipDefaultKeyEventProcessing(event); 346} 347 348void OmniboxViewViews::OnFocus() { 349 views::Textfield::OnFocus(); 350 // TODO(oshima): Get control key state. 351 model()->OnSetFocus(false); 352 // Don't call controller()->OnSetFocus, this view has already acquired focus. 353 354 // Restore the selection we saved in OnBlur() if it's still valid. 355 if (saved_selection_for_focus_change_.IsValid()) { 356 SelectRange(saved_selection_for_focus_change_); 357 saved_selection_for_focus_change_ = gfx::Range::InvalidRange(); 358 } 359} 360 361void OmniboxViewViews::OnBlur() { 362 // Save the user's existing selection to restore it later. 363 saved_selection_for_focus_change_ = GetSelectedRange(); 364 365 views::Textfield::OnBlur(); 366 gfx::NativeView native_view = NULL; 367#if defined(USE_AURA) 368 views::Widget* widget = GetWidget(); 369 if (widget) { 370 aura::client::FocusClient* client = 371 aura::client::GetFocusClient(widget->GetNativeView()); 372 if (client) 373 native_view = client->GetFocusedWindow(); 374 } 375#endif 376 model()->OnWillKillFocus(native_view); 377 // Close the popup. 378 CloseOmniboxPopup(); 379 380 // Tell the model to reset itself. 381 model()->OnKillFocus(); 382 controller()->OnKillFocus(); 383 384 // Make sure the beginning of the text is visible. 385 SelectRange(gfx::Range(0)); 386} 387 388//////////////////////////////////////////////////////////////////////////////// 389// OmniboxViewViews, OmniboxView implementation: 390 391void OmniboxViewViews::SaveStateToTab(content::WebContents* tab) { 392 DCHECK(tab); 393 394 // We don't want to keep the IME status, so force quit the current 395 // session here. It may affect the selection status, so order is 396 // also important. 397 if (IsIMEComposing()) { 398 GetTextInputClient()->ConfirmCompositionText(); 399 GetInputMethod()->CancelComposition(this); 400 } 401 402 // NOTE: GetStateForTabSwitch() may affect GetSelectedRange(), so order is 403 // important. 404 OmniboxEditModel::State state = model()->GetStateForTabSwitch(); 405 tab->SetUserData(OmniboxState::kKey, new OmniboxState( 406 state, GetSelectedRange(), saved_selection_for_focus_change_)); 407} 408 409void OmniboxViewViews::OnTabChanged(const content::WebContents* web_contents) { 410 security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false); 411 412 const OmniboxState* state = static_cast<OmniboxState*>( 413 web_contents->GetUserData(&OmniboxState::kKey)); 414 model()->RestoreState(state ? &state->model_state : NULL); 415 if (state) { 416 // This assumes that the omnibox has already been focused or blurred as 417 // appropriate; otherwise, a subsequent OnFocus() or OnBlur() call could 418 // goof up the selection. See comments at the end of 419 // BrowserView::ActiveTabChanged(). 420 SelectRange(state->selection); 421 saved_selection_for_focus_change_ = state->saved_selection_for_focus_change; 422 } 423 424 // TODO(msw|oshima): Consider saving/restoring edit history. 425 ClearEditHistory(); 426} 427 428void OmniboxViewViews::Update() { 429 const ToolbarModel::SecurityLevel old_security_level = security_level_; 430 security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false); 431 if (model()->UpdatePermanentText()) { 432 // Something visibly changed. Re-enable search term replacement. 433 controller()->GetToolbarModel()->set_search_term_replacement_enabled(true); 434 model()->UpdatePermanentText(); 435 436 // Tweak: if the user had all the text selected, select all the new text. 437 // This makes one particular case better: the user clicks in the box to 438 // change it right before the permanent URL is changed. Since the new URL 439 // is still fully selected, the user's typing will replace the edit contents 440 // as they'd intended. 441 const gfx::Range range(GetSelectedRange()); 442 const bool was_select_all = (range.length() == text().length()); 443 444 RevertAll(); 445 446 // Only select all when we have focus. If we don't have focus, selecting 447 // all is unnecessary since the selection will change on regaining focus, 448 // and can in fact cause artifacts, e.g. if the user is on the NTP and 449 // clicks a link to navigate, causing |was_select_all| to be vacuously true 450 // for the empty omnibox, and we then select all here, leading to the 451 // trailing portion of a long URL being scrolled into view. We could try 452 // and address cases like this, but it seems better to just not muck with 453 // things when the omnibox isn't focused to begin with. 454 if (was_select_all && model()->has_focus()) 455 SelectAll(range.is_reversed()); 456 } else if (old_security_level != security_level_) { 457 EmphasizeURLComponents(); 458 } 459} 460 461string16 OmniboxViewViews::GetText() const { 462 // TODO(oshima): IME support 463 return text(); 464} 465 466void OmniboxViewViews::SetUserText(const string16& text, 467 const string16& display_text, 468 bool update_popup) { 469 saved_selection_for_focus_change_ = gfx::Range::InvalidRange(); 470 OmniboxView::SetUserText(text, display_text, update_popup); 471} 472 473void OmniboxViewViews::SetWindowTextAndCaretPos(const string16& text, 474 size_t caret_pos, 475 bool update_popup, 476 bool notify_text_changed) { 477 const gfx::Range range(caret_pos, caret_pos); 478 SetTextAndSelectedRange(text, range); 479 480 if (update_popup) 481 UpdatePopup(); 482 483 if (notify_text_changed) 484 TextChanged(); 485} 486 487void OmniboxViewViews::SetForcedQuery() { 488 const string16 current_text(text()); 489 const size_t start = current_text.find_first_not_of(kWhitespaceUTF16); 490 if (start == string16::npos || (current_text[start] != '?')) 491 OmniboxView::SetUserText(ASCIIToUTF16("?")); 492 else 493 SelectRange(gfx::Range(current_text.size(), start + 1)); 494} 495 496bool OmniboxViewViews::IsSelectAll() const { 497 // TODO(oshima): IME support. 498 return text() == GetSelectedText(); 499} 500 501bool OmniboxViewViews::DeleteAtEndPressed() { 502 return delete_at_end_pressed_; 503} 504 505void OmniboxViewViews::GetSelectionBounds(string16::size_type* start, 506 string16::size_type* end) const { 507 const gfx::Range range = GetSelectedRange(); 508 *start = static_cast<size_t>(range.start()); 509 *end = static_cast<size_t>(range.end()); 510} 511 512void OmniboxViewViews::SelectAll(bool reversed) { 513 views::Textfield::SelectAll(reversed); 514} 515 516void OmniboxViewViews::RevertAll() { 517 saved_selection_for_focus_change_ = gfx::Range::InvalidRange(); 518 OmniboxView::RevertAll(); 519} 520 521void OmniboxViewViews::UpdatePopup() { 522 model()->SetInputInProgress(true); 523 if (!model()->has_focus()) 524 return; 525 526 // Hide the inline autocompletion for IME users. 527 location_bar_view_->SetImeInlineAutocompletion(string16()); 528 529 // Prevent inline autocomplete when the caret isn't at the end of the text, 530 // and during IME composition editing unless 531 // |kEnableOmniboxAutoCompletionForIme| is enabled. 532 const gfx::Range sel = GetSelectedRange(); 533 model()->StartAutocomplete( 534 !sel.is_empty(), 535 sel.GetMax() < text().length() || 536 (IsIMEComposing() && !IsOmniboxAutoCompletionForImeEnabled())); 537} 538 539void OmniboxViewViews::SetFocus() { 540 RequestFocus(); 541 // Restore caret visibility if focus is explicitly requested. This is 542 // necessary because if we already have invisible focus, the RequestFocus() 543 // call above will short-circuit, preventing us from reaching 544 // OmniboxEditModel::OnSetFocus(), which handles restoring visibility when the 545 // omnibox regains focus after losing focus. 546 model()->SetCaretVisibility(true); 547} 548 549void OmniboxViewViews::ApplyCaretVisibility() { 550 SetCursorEnabled(model()->is_caret_visible()); 551} 552 553void OmniboxViewViews::OnTemporaryTextMaybeChanged( 554 const string16& display_text, 555 bool save_original_selection, 556 bool notify_text_changed) { 557 if (save_original_selection) 558 saved_temporary_selection_ = GetSelectedRange(); 559 560 SetWindowTextAndCaretPos(display_text, display_text.length(), false, 561 notify_text_changed); 562} 563 564bool OmniboxViewViews::OnInlineAutocompleteTextMaybeChanged( 565 const string16& display_text, 566 size_t user_text_length) { 567 if (display_text == text()) 568 return false; 569 570 if (IsIMEComposing()) { 571 location_bar_view_->SetImeInlineAutocompletion( 572 display_text.substr(user_text_length)); 573 } else { 574 gfx::Range range(display_text.size(), user_text_length); 575 SetTextAndSelectedRange(display_text, range); 576 } 577 TextChanged(); 578 return true; 579} 580 581void OmniboxViewViews::OnRevertTemporaryText() { 582 SelectRange(saved_temporary_selection_); 583 // We got here because the user hit the Escape key. We explicitly don't call 584 // TextChanged(), since OmniboxPopupModel::ResetToDefaultMatch() has already 585 // been called by now, and it would've called TextChanged() if it was 586 // warranted. 587} 588 589void OmniboxViewViews::OnBeforePossibleChange() { 590 // Record our state. 591 text_before_change_ = text(); 592 sel_before_change_ = GetSelectedRange(); 593 ime_composing_before_change_ = IsIMEComposing(); 594} 595 596bool OmniboxViewViews::OnAfterPossibleChange() { 597 // See if the text or selection have changed since OnBeforePossibleChange(). 598 const string16 new_text = text(); 599 const gfx::Range new_sel = GetSelectedRange(); 600 const bool text_changed = (new_text != text_before_change_) || 601 (ime_composing_before_change_ != IsIMEComposing()); 602 const bool selection_differs = 603 !((sel_before_change_.is_empty() && new_sel.is_empty()) || 604 sel_before_change_.EqualsIgnoringDirection(new_sel)); 605 606 // When the user has deleted text, we don't allow inline autocomplete. Make 607 // sure to not flag cases like selecting part of the text and then pasting 608 // (or typing) the prefix of that selection. (We detect these by making 609 // sure the caret, which should be after any insertion, hasn't moved 610 // forward of the old selection start.) 611 const bool just_deleted_text = 612 (text_before_change_.length() > new_text.length()) && 613 (new_sel.start() <= sel_before_change_.GetMin()); 614 615 const bool something_changed = model()->OnAfterPossibleChange( 616 text_before_change_, new_text, new_sel.start(), new_sel.end(), 617 selection_differs, text_changed, just_deleted_text, !IsIMEComposing()); 618 619 // If only selection was changed, we don't need to call model()'s 620 // OnChanged() method, which is called in TextChanged(). 621 // But we still need to call EmphasizeURLComponents() to make sure the text 622 // attributes are updated correctly. 623 if (something_changed && text_changed) 624 TextChanged(); 625 else if (selection_differs) 626 EmphasizeURLComponents(); 627 else if (delete_at_end_pressed_) 628 model()->OnChanged(); 629 630 return something_changed; 631} 632 633gfx::NativeView OmniboxViewViews::GetNativeView() const { 634 return GetWidget()->GetNativeView(); 635} 636 637gfx::NativeView OmniboxViewViews::GetRelativeWindowForPopup() const { 638 return GetWidget()->GetTopLevelWidget()->GetNativeView(); 639} 640 641void OmniboxViewViews::SetGrayTextAutocompletion(const string16& input) { 642#if defined(OS_WIN) || defined(USE_AURA) 643 location_bar_view_->SetGrayTextAutocompletion(input); 644#endif 645} 646 647string16 OmniboxViewViews::GetGrayTextAutocompletion() const { 648#if defined(OS_WIN) || defined(USE_AURA) 649 return location_bar_view_->GetGrayTextAutocompletion(); 650#else 651 return string16(); 652#endif 653} 654 655int OmniboxViewViews::TextWidth() const { 656 return native_wrapper_->GetWidthNeededForText(); 657} 658 659bool OmniboxViewViews::IsImeComposing() const { 660 return IsIMEComposing(); 661} 662 663bool OmniboxViewViews::IsImeShowingPopup() const { 664#if defined(OS_CHROMEOS) 665 return ime_candidate_window_open_; 666#else 667 const views::InputMethod* input_method = this->GetInputMethod(); 668 return input_method && input_method->IsCandidatePopupOpen(); 669#endif 670} 671 672int OmniboxViewViews::GetMaxEditWidth(int entry_width) const { 673 return entry_width; 674} 675 676views::View* OmniboxViewViews::AddToView(views::View* parent) { 677 parent->AddChildView(this); 678 return this; 679} 680 681int OmniboxViewViews::OnPerformDrop(const ui::DropTargetEvent& event) { 682 NOTIMPLEMENTED(); 683 return ui::DragDropTypes::DRAG_NONE; 684} 685 686//////////////////////////////////////////////////////////////////////////////// 687// OmniboxViewViews, views::TextfieldController implementation: 688 689void OmniboxViewViews::ContentsChanged(views::Textfield* sender, 690 const string16& new_contents) { 691} 692 693bool OmniboxViewViews::HandleKeyEvent(views::Textfield* textfield, 694 const ui::KeyEvent& event) { 695 delete_at_end_pressed_ = false; 696 697 if (event.key_code() == ui::VKEY_BACK) { 698 // No extra handling is needed in keyword search mode, if there is a 699 // non-empty selection, or if the cursor is not leading the text. 700 if (model()->is_keyword_hint() || model()->keyword().empty() || 701 HasSelection() || GetCursorPosition() != 0) 702 return false; 703 model()->ClearKeyword(text()); 704 return true; 705 } 706 707 if (event.key_code() == ui::VKEY_DELETE && !event.IsAltDown()) { 708 delete_at_end_pressed_ = 709 (!HasSelection() && GetCursorPosition() == text().length()); 710 } 711 712 // Handle the right-arrow key for LTR text and the left-arrow key for RTL text 713 // if there is gray text that needs to be committed. 714 if (GetCursorPosition() == text().length()) { 715 base::i18n::TextDirection direction = GetTextDirection(); 716 if ((direction == base::i18n::LEFT_TO_RIGHT && 717 event.key_code() == ui::VKEY_RIGHT) || 718 (direction == base::i18n::RIGHT_TO_LEFT && 719 event.key_code() == ui::VKEY_LEFT)) { 720 return model()->CommitSuggestedText(); 721 } 722 } 723 724 return false; 725} 726 727void OmniboxViewViews::OnBeforeUserAction(views::Textfield* sender) { 728 OnBeforePossibleChange(); 729} 730 731void OmniboxViewViews::OnAfterUserAction(views::Textfield* sender) { 732 OnAfterPossibleChange(); 733} 734 735void OmniboxViewViews::OnAfterCutOrCopy() { 736 ui::Clipboard* cb = ui::Clipboard::GetForCurrentThread(); 737 string16 selected_text; 738 cb->ReadText(ui::Clipboard::BUFFER_STANDARD, &selected_text); 739 GURL url; 740 bool write_url; 741 model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(), 742 &selected_text, &url, &write_url); 743 if (write_url) { 744 BookmarkNodeData data; 745 data.ReadFromTuple(url, selected_text); 746 data.WriteToClipboard(); 747 } else { 748 ui::ScopedClipboardWriter scoped_clipboard_writer( 749 ui::Clipboard::GetForCurrentThread(), ui::Clipboard::BUFFER_STANDARD); 750 scoped_clipboard_writer.WriteText(selected_text); 751 } 752} 753 754void OmniboxViewViews::OnGetDragOperationsForTextfield(int* drag_operations) { 755 string16 selected_text = GetSelectedText(); 756 GURL url; 757 bool write_url; 758 model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(), 759 &selected_text, &url, &write_url); 760 if (write_url) 761 *drag_operations |= ui::DragDropTypes::DRAG_LINK; 762} 763 764void OmniboxViewViews::OnWriteDragData(ui::OSExchangeData* data) { 765 string16 selected_text = GetSelectedText(); 766 GURL url; 767 bool write_url; 768 bool is_all_selected = IsSelectAll(); 769 model()->AdjustTextForCopy(GetSelectedRange().GetMin(), is_all_selected, 770 &selected_text, &url, &write_url); 771 data->SetString(selected_text); 772 if (write_url) { 773 gfx::Image favicon; 774 string16 title = selected_text; 775 if (is_all_selected) 776 model()->GetDataForURLExport(&url, &title, &favicon); 777 button_drag_utils::SetURLAndDragImage(url, title, favicon.AsImageSkia(), 778 data, GetWidget()); 779 data->SetURL(url, title); 780 } 781} 782 783void OmniboxViewViews::AppendDropFormats( 784 int* formats, 785 std::set<ui::OSExchangeData::CustomFormat>* custom_formats) { 786 *formats = *formats | ui::OSExchangeData::URL; 787} 788 789int OmniboxViewViews::OnDrop(const ui::OSExchangeData& data) { 790 if (HasTextBeingDragged()) 791 return ui::DragDropTypes::DRAG_NONE; 792 793 if (data.HasURL()) { 794 GURL url; 795 string16 title; 796 if (data.GetURLAndTitle(&url, &title)) { 797 string16 text(StripJavascriptSchemas(UTF8ToUTF16(url.spec()))); 798 if (model()->CanPasteAndGo(text)) { 799 model()->PasteAndGo(text); 800 return ui::DragDropTypes::DRAG_COPY; 801 } 802 } 803 } else if (data.HasString()) { 804 string16 text; 805 if (data.GetString(&text)) { 806 string16 collapsed_text(CollapseWhitespace(text, true)); 807 if (model()->CanPasteAndGo(collapsed_text)) 808 model()->PasteAndGo(collapsed_text); 809 return ui::DragDropTypes::DRAG_COPY; 810 } 811 } 812 813 return ui::DragDropTypes::DRAG_NONE; 814} 815 816void OmniboxViewViews::UpdateContextMenu(ui::SimpleMenuModel* menu_contents) { 817 int paste_position = menu_contents->GetIndexOfCommandId(IDS_APP_PASTE); 818 DCHECK_GE(paste_position, 0); 819 menu_contents->InsertItemWithStringIdAt( 820 paste_position + 1, IDS_PASTE_AND_GO, IDS_PASTE_AND_GO); 821 822 menu_contents->AddSeparator(ui::NORMAL_SEPARATOR); 823 824 if (chrome::IsQueryExtractionEnabled()) { 825 int select_all_position = menu_contents->GetIndexOfCommandId( 826 IDS_APP_SELECT_ALL); 827 DCHECK_GE(select_all_position, 0); 828 menu_contents->InsertItemWithStringIdAt( 829 select_all_position + 1, IDS_SHOW_URL, IDS_SHOW_URL); 830 } 831 832 // Minor note: We use IDC_ for command id here while the underlying textfield 833 // is using IDS_ for all its command ids. This is because views cannot depend 834 // on IDC_ for now. 835 menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES, 836 IDS_EDIT_SEARCH_ENGINES); 837} 838 839bool OmniboxViewViews::IsCommandIdEnabled(int command_id) const { 840 if (command_id == IDS_PASTE_AND_GO) 841 return model()->CanPasteAndGo(GetClipboardText()); 842 if (command_id != IDS_SHOW_URL) 843 return command_updater()->IsCommandEnabled(command_id); 844 return controller()->GetToolbarModel()->WouldPerformSearchTermReplacement( 845 false); 846} 847 848bool OmniboxViewViews::IsItemForCommandIdDynamic(int command_id) const { 849 return command_id == IDS_PASTE_AND_GO; 850} 851 852string16 OmniboxViewViews::GetLabelForCommandId(int command_id) const { 853 DCHECK_EQ(IDS_PASTE_AND_GO, command_id); 854 return l10n_util::GetStringUTF16( 855 model()->IsPasteAndSearch(GetClipboardText()) ? 856 IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO); 857} 858 859bool OmniboxViewViews::HandlesCommand(int command_id) const { 860 // See description in OnPaste() for details on why we need to handle paste. 861 return command_id == IDS_APP_PASTE; 862} 863 864void OmniboxViewViews::ExecuteCommand(int command_id, int event_flags) { 865 switch (command_id) { 866 // These commands don't invoke the popup via OnBefore/AfterPossibleChange(). 867 case IDS_PASTE_AND_GO: 868 model()->PasteAndGo(GetClipboardText()); 869 break; 870 case IDS_SHOW_URL: 871 ShowURL(); 872 break; 873 case IDC_EDIT_SEARCH_ENGINES: 874 command_updater()->ExecuteCommand(command_id); 875 break; 876 877 default: 878 OnBeforePossibleChange(); 879 if (command_id == IDS_APP_PASTE) 880 OnPaste(); 881 else 882 command_updater()->ExecuteCommand(command_id); 883 OnAfterPossibleChange(); 884 break; 885 } 886} 887 888#if defined(OS_CHROMEOS) 889void OmniboxViewViews::CandidateWindowOpened( 890 chromeos::input_method::InputMethodManager* manager) { 891 ime_candidate_window_open_ = true; 892} 893 894void OmniboxViewViews::CandidateWindowClosed( 895 chromeos::input_method::InputMethodManager* manager) { 896 ime_candidate_window_open_ = false; 897} 898#endif 899 900//////////////////////////////////////////////////////////////////////////////// 901// OmniboxViewViews, private: 902 903int OmniboxViewViews::GetOmniboxTextLength() const { 904 // TODO(oshima): Support IME. 905 return static_cast<int>(text().length()); 906} 907 908void OmniboxViewViews::EmphasizeURLComponents() { 909 // See whether the contents are a URL with a non-empty host portion, which we 910 // should emphasize. To check for a URL, rather than using the type returned 911 // by Parse(), ask the model, which will check the desired page transition for 912 // this input. This can tell us whether an UNKNOWN input string is going to 913 // be treated as a search or a navigation, and is the same method the Paste 914 // And Go system uses. 915 url_parse::Component scheme, host; 916 AutocompleteInput::ParseForEmphasizeComponents(text(), &scheme, &host); 917 bool grey_out_url = text().substr(scheme.begin, scheme.len) == 918 UTF8ToUTF16(extensions::kExtensionScheme); 919 bool grey_base = model()->CurrentTextIsURL() && 920 (host.is_nonempty() || grey_out_url); 921 SetColor(location_bar_view_->GetColor( 922 security_level_, 923 grey_base ? LocationBarView::DEEMPHASIZED_TEXT : LocationBarView::TEXT)); 924 if (grey_base && !grey_out_url) { 925 ApplyColor( 926 location_bar_view_->GetColor(security_level_, LocationBarView::TEXT), 927 gfx::Range(host.begin, host.end())); 928 } 929 930 // Emphasize the scheme for security UI display purposes (if necessary). 931 // Note that we check CurrentTextIsURL() because if we're replacing search 932 // URLs with search terms, we may have a non-URL even when the user is not 933 // editing; and in some cases, e.g. for "site:foo.com" searches, the parser 934 // may have incorrectly identified a qualifier as a scheme. 935 SetStyle(gfx::DIAGONAL_STRIKE, false); 936 if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() && 937 scheme.is_nonempty() && (security_level_ != ToolbarModel::NONE)) { 938 SkColor security_color = location_bar_view_->GetColor( 939 security_level_, LocationBarView::SECURITY_TEXT); 940 const bool strike = (security_level_ == ToolbarModel::SECURITY_ERROR); 941 const gfx::Range scheme_range(scheme.begin, scheme.end()); 942 ApplyColor(security_color, scheme_range); 943 ApplyStyle(gfx::DIAGONAL_STRIKE, strike, scheme_range); 944 } 945} 946 947void OmniboxViewViews::SetTextAndSelectedRange(const string16& text, 948 const gfx::Range& range) { 949 SetText(text); 950 SelectRange(range); 951} 952 953string16 OmniboxViewViews::GetSelectedText() const { 954 // TODO(oshima): Support IME. 955 return views::Textfield::GetSelectedText(); 956} 957 958void OmniboxViewViews::OnPaste() { 959 const string16 text(GetClipboardText()); 960 if (!text.empty()) { 961 // Record this paste, so we can do different behavior. 962 model()->on_paste(); 963 // Force a Paste operation to trigger the text_changed code in 964 // OnAfterPossibleChange(), even if identical contents are pasted. 965 text_before_change_.clear(); 966 InsertOrReplaceText(text); 967 } 968} 969