// Copyright 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "chrome/browser/ui/omnibox/omnibox_edit_model.h" #include #include "base/auto_reset.h" #include "base/format_macros.h" #include "base/metrics/histogram.h" #include "base/prefs/pref_service.h" #include "base/strings/string_util.h" #include "base/strings/stringprintf.h" #include "base/strings/utf_string_conversions.h" #include "chrome/app/chrome_command_ids.h" #include "chrome/browser/autocomplete/autocomplete_classifier.h" #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h" #include "chrome/browser/autocomplete/autocomplete_input.h" #include "chrome/browser/autocomplete/autocomplete_provider.h" #include "chrome/browser/autocomplete/extension_app_provider.h" #include "chrome/browser/autocomplete/history_url_provider.h" #include "chrome/browser/autocomplete/keyword_provider.h" #include "chrome/browser/autocomplete/search_provider.h" #include "chrome/browser/bookmarks/bookmark_stats.h" #include "chrome/browser/chrome_notification_types.h" #include "chrome/browser/command_updater.h" #include "chrome/browser/extensions/api/omnibox/omnibox_api.h" #include "chrome/browser/favicon/favicon_tab_helper.h" #include "chrome/browser/google/google_url_tracker.h" #include "chrome/browser/net/predictor.h" #include "chrome/browser/omnibox/omnibox_log.h" #include "chrome/browser/predictors/autocomplete_action_predictor.h" #include "chrome/browser/predictors/autocomplete_action_predictor_factory.h" #include "chrome/browser/prerender/prerender_field_trial.h" #include "chrome/browser/prerender/prerender_manager.h" #include "chrome/browser/prerender/prerender_manager_factory.h" #include "chrome/browser/profiles/profile.h" #include "chrome/browser/search/search.h" #include "chrome/browser/search_engines/template_url.h" #include "chrome/browser/search_engines/template_url_prepopulate_data.h" #include "chrome/browser/search_engines/template_url_service.h" #include "chrome/browser/search_engines/template_url_service_factory.h" #include "chrome/browser/sessions/session_tab_helper.h" #include "chrome/browser/ui/browser_list.h" #include "chrome/browser/ui/omnibox/omnibox_current_page_delegate_impl.h" #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h" #include "chrome/browser/ui/omnibox/omnibox_navigation_observer.h" #include "chrome/browser/ui/omnibox/omnibox_popup_model.h" #include "chrome/browser/ui/omnibox/omnibox_popup_view.h" #include "chrome/browser/ui/omnibox/omnibox_view.h" #include "chrome/browser/ui/search/instant_controller.h" #include "chrome/browser/ui/search/search_tab_helper.h" #include "chrome/browser/ui/toolbar/toolbar_model.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/net/url_fixer_upper.h" #include "chrome/common/pref_names.h" #include "chrome/common/url_constants.h" #include "content/public/browser/navigation_controller.h" #include "content/public/browser/navigation_entry.h" #include "content/public/browser/notification_service.h" #include "content/public/browser/render_view_host.h" #include "content/public/browser/user_metrics.h" #include "extensions/common/constants.h" #include "ui/gfx/image/image.h" #include "url/url_util.h" using predictors::AutocompleteActionPredictor; // Helpers -------------------------------------------------------------------- namespace { // Histogram name which counts the number of times that the user text is // cleared. IME users are sometimes in the situation that IME was // unintentionally turned on and failed to input latin alphabets (ASCII // characters) or the opposite case. In that case, users may delete all // the text and the user text gets cleared. We'd like to measure how often // this scenario happens. // // Note that since we don't currently correlate "text cleared" events with // IME usage, this also captures many other cases where users clear the text; // though it explicitly doesn't log deleting all the permanent text as // the first action of an editing sequence (see comments in // OnAfterPossibleChange()). const char kOmniboxUserTextClearedHistogram[] = "Omnibox.UserTextCleared"; enum UserTextClearedType { OMNIBOX_USER_TEXT_CLEARED_BY_EDITING = 0, OMNIBOX_USER_TEXT_CLEARED_WITH_ESCAPE = 1, OMNIBOX_USER_TEXT_CLEARED_NUM_OF_ITEMS, }; // Histogram name which counts the number of times the user enters // keyword hint mode and via what method. The possible values are listed // in the EnteredKeywordModeMethod enum which is defined in the .h file. const char kEnteredKeywordModeHistogram[] = "Omnibox.EnteredKeywordMode"; // Histogram name which counts the number of milliseconds a user takes // between focusing and editing the omnibox. const char kFocusToEditTimeHistogram[] = "Omnibox.FocusToEditTime"; // Histogram name which counts the number of milliseconds a user takes // between focusing and opening an omnibox match. const char kFocusToOpenTimeHistogram[] = "Omnibox.FocusToOpenTime"; void RecordPercentageMatchHistogram(const string16& old_text, const string16& new_text, bool search_term_replacement_active, content::PageTransition transition) { size_t avg_length = (old_text.length() + new_text.length()) / 2; int percent = 0; if (!old_text.empty() && !new_text.empty()) { size_t shorter_length = std::min(old_text.length(), new_text.length()); string16::const_iterator end(old_text.begin() + shorter_length); string16::const_iterator mismatch( std::mismatch(old_text.begin(), end, new_text.begin()).first); size_t matching_characters = mismatch - old_text.begin(); percent = static_cast(matching_characters) / avg_length * 100; } if (search_term_replacement_active) { if (transition == content::PAGE_TRANSITION_TYPED) { UMA_HISTOGRAM_PERCENTAGE( "InstantExtended.PercentageMatchV2_QuerytoURL", percent); } else { UMA_HISTOGRAM_PERCENTAGE( "InstantExtended.PercentageMatchV2_QuerytoQuery", percent); } } else { if (transition == content::PAGE_TRANSITION_TYPED) { UMA_HISTOGRAM_PERCENTAGE( "InstantExtended.PercentageMatchV2_URLtoURL", percent); } else { UMA_HISTOGRAM_PERCENTAGE( "InstantExtended.PercentageMatchV2_URLtoQuery", percent); } } } } // namespace // OmniboxEditModel::State ---------------------------------------------------- OmniboxEditModel::State::State(bool user_input_in_progress, const string16& user_text, const string16& gray_text, const string16& keyword, bool is_keyword_hint, bool search_term_replacement_enabled, OmniboxFocusState focus_state, FocusSource focus_source) : user_input_in_progress(user_input_in_progress), user_text(user_text), gray_text(gray_text), keyword(keyword), is_keyword_hint(is_keyword_hint), search_term_replacement_enabled(search_term_replacement_enabled), focus_state(focus_state), focus_source(focus_source) { } OmniboxEditModel::State::~State() { } // OmniboxEditModel ----------------------------------------------------------- OmniboxEditModel::OmniboxEditModel(OmniboxView* view, OmniboxEditController* controller, Profile* profile) : view_(view), controller_(controller), focus_state_(OMNIBOX_FOCUS_NONE), focus_source_(INVALID), user_input_in_progress_(false), user_input_since_focus_(true), just_deleted_text_(false), has_temporary_text_(false), paste_state_(NONE), control_key_state_(UP), is_keyword_hint_(false), profile_(profile), in_revert_(false), allow_exact_keyword_match_(false) { omnibox_controller_.reset(new OmniboxController(this, profile)); delegate_.reset(new OmniboxCurrentPageDelegateImpl(controller, profile)); } OmniboxEditModel::~OmniboxEditModel() { } const OmniboxEditModel::State OmniboxEditModel::GetStateForTabSwitch() { // Like typing, switching tabs "accepts" the temporary text as the user // text, because it makes little sense to have temporary text when the // popup is closed. if (user_input_in_progress_) { // Weird edge case to match other browsers: if the edit is empty, revert to // the permanent text (so the user can get it back easily) but select it (so // on switching back, typing will "just work"). const string16 user_text(UserTextFromDisplayText(view_->GetText())); if (user_text.empty()) { base::AutoReset tmp(&in_revert_, true); view_->RevertAll(); view_->SelectAll(true); } else { InternalSetUserText(user_text); } } return State( user_input_in_progress_, user_text_, view_->GetGrayTextAutocompletion(), keyword_, is_keyword_hint_, controller_->GetToolbarModel()->search_term_replacement_enabled(), focus_state_, focus_source_); } void OmniboxEditModel::RestoreState(const State* state) { // We need to update the permanent text correctly and revert the view // regardless of whether there is saved state. controller_->GetToolbarModel()->set_search_term_replacement_enabled( !state || state->search_term_replacement_enabled); permanent_text_ = controller_->GetToolbarModel()->GetText(true); // Don't muck with the search term replacement state, as we've just set it // correctly. view_->RevertWithoutResettingSearchTermReplacement(); if (!state) return; SetFocusState(state->focus_state, OMNIBOX_FOCUS_CHANGE_TAB_SWITCH); focus_source_ = state->focus_source; // Restore any user editing. if (state->user_input_in_progress) { // NOTE: Be sure and set keyword-related state BEFORE invoking // DisplayTextFromUserText(), as its result depends upon this state. keyword_ = state->keyword; is_keyword_hint_ = state->is_keyword_hint; view_->SetUserText(state->user_text, DisplayTextFromUserText(state->user_text), false); view_->SetGrayTextAutocompletion(state->gray_text); } } AutocompleteMatch OmniboxEditModel::CurrentMatch( GURL* alternate_nav_url) const { // If we have a valid match use it. Otherwise get one for the current text. AutocompleteMatch match = omnibox_controller_->current_match(); if (!match.destination_url.is_valid()) { GetInfoForCurrentText(&match, alternate_nav_url); } else if (alternate_nav_url) { *alternate_nav_url = AutocompleteResult::ComputeAlternateNavUrl( autocomplete_controller()->input(), match); } return match; } bool OmniboxEditModel::UpdatePermanentText() { // When there's new permanent text, and the user isn't interacting with the // omnibox, we want to revert the edit to show the new text. We could simply // define "interacting" as "the omnibox has focus", but we still allow updates // when the omnibox has focus as long as the user hasn't begun editing, isn't // seeing zerosuggestions (because changing this text would require changing // or hiding those suggestions), and hasn't toggled on "Show URL" (because // this update will re-enable search term replacement, which will be annoying // if the user is trying to copy the URL). When the omnibox doesn't have // focus, we assume the user may have abandoned their interaction and it's // always safe to change the text; this also prevents someone toggling "Show // URL" (which sounds as if it might be persistent) from seeing just that URL // forever afterwards. // // If the page is auto-committing gray text, however, we generally don't want // to make any change to the edit. While auto-commits modify the underlying // permanent URL, they're intended to have no effect on the user's editing // process -- before and after the auto-commit, the omnibox should show the // same user text and the same instant suggestion, even if the auto-commit // happens while the edit doesn't have focus. string16 new_permanent_text = controller_->GetToolbarModel()->GetText(true); string16 gray_text = view_->GetGrayTextAutocompletion(); const bool visibly_changed_permanent_text = (permanent_text_ != new_permanent_text) && (!has_focus() || (!user_input_in_progress_ && !popup_model()->IsOpen() && controller_->GetToolbarModel()->search_term_replacement_enabled())) && (gray_text.empty() || new_permanent_text != user_text_ + gray_text); permanent_text_ = new_permanent_text; return visibly_changed_permanent_text; } GURL OmniboxEditModel::PermanentURL() { return URLFixerUpper::FixupURL(UTF16ToUTF8(permanent_text_), std::string()); } void OmniboxEditModel::SetUserText(const string16& text) { SetInputInProgress(true); InternalSetUserText(text); omnibox_controller_->InvalidateCurrentMatch(); paste_state_ = NONE; has_temporary_text_ = false; } bool OmniboxEditModel::CommitSuggestedText() { const string16 suggestion = view_->GetGrayTextAutocompletion(); if (suggestion.empty()) return false; const string16 final_text = view_->GetText() + suggestion; view_->OnBeforePossibleChange(); view_->SetWindowTextAndCaretPos(final_text, final_text.length(), false, false); view_->OnAfterPossibleChange(); return true; } void OmniboxEditModel::OnChanged() { // Don't call CurrentMatch() when there's no editing, as in this case we'll // never actually use it. This avoids running the autocomplete providers (and // any systems they then spin up) during startup. const AutocompleteMatch& current_match = user_input_in_progress_ ? CurrentMatch(NULL) : AutocompleteMatch(); AutocompleteActionPredictor::Action recommended_action = AutocompleteActionPredictor::ACTION_NONE; AutocompleteActionPredictor* action_predictor = user_input_in_progress_ ? predictors::AutocompleteActionPredictorFactory::GetForProfile(profile_) : NULL; if (action_predictor) { action_predictor->RegisterTransitionalMatches(user_text_, result()); // Confer with the AutocompleteActionPredictor to determine what action, if // any, we should take. Get the recommended action here even if we don't // need it so we can get stats for anyone who is opted in to UMA, but only // get it if the user has actually typed something to avoid constructing it // before it's needed. Note: This event is triggered as part of startup when // the initial tab transitions to the start page. recommended_action = action_predictor->RecommendAction(user_text_, current_match); } UMA_HISTOGRAM_ENUMERATION("AutocompleteActionPredictor.Action", recommended_action, AutocompleteActionPredictor::LAST_PREDICT_ACTION); // Hide any suggestions we might be showing. view_->SetGrayTextAutocompletion(string16()); switch (recommended_action) { case AutocompleteActionPredictor::ACTION_PRERENDER: // It's possible that there is no current page, for instance if the tab // has been closed or on return from a sleep state. // (http://crbug.com/105689) if (!delegate_->CurrentPageExists()) break; // Ask for prerendering if the destination URL is different than the // current URL. if (current_match.destination_url != PermanentURL()) delegate_->DoPrerender(current_match); break; case AutocompleteActionPredictor::ACTION_PRECONNECT: omnibox_controller_->DoPreconnect(current_match); break; case AutocompleteActionPredictor::ACTION_NONE: break; } controller_->OnChanged(); } void OmniboxEditModel::GetDataForURLExport(GURL* url, string16* title, gfx::Image* favicon) { *url = CurrentMatch(NULL).destination_url; if (*url == URLFixerUpper::FixupURL(UTF16ToUTF8(permanent_text_), std::string())) { content::WebContents* web_contents = controller_->GetWebContents(); *title = web_contents->GetTitle(); *favicon = FaviconTabHelper::FromWebContents(web_contents)->GetFavicon(); } } bool OmniboxEditModel::CurrentTextIsURL() const { if (controller_->GetToolbarModel()->WouldPerformSearchTermReplacement(false)) return false; // If current text is not composed of replaced search terms and // !user_input_in_progress_, then permanent text is showing and should be a // URL, so no further checking is needed. By avoiding checking in this case, // we avoid calling into the autocomplete providers, and thus initializing the // history system, as long as possible, which speeds startup. if (!user_input_in_progress_) return true; return !AutocompleteMatch::IsSearchType(CurrentMatch(NULL).type); } AutocompleteMatch::Type OmniboxEditModel::CurrentTextType() const { return CurrentMatch(NULL).type; } void OmniboxEditModel::AdjustTextForCopy(int sel_min, bool is_all_selected, string16* text, GURL* url, bool* write_url) { *write_url = false; // Do not adjust if selection did not start at the beginning of the field, or // if the URL was replaced by search terms. if ((sel_min != 0) || controller_->GetToolbarModel()->WouldPerformSearchTermReplacement(false)) return; if (!user_input_in_progress_ && is_all_selected) { // The user selected all the text and has not edited it. Use the url as the // text so that if the scheme was stripped it's added back, and the url // is unescaped (we escape parts of the url for display). *url = PermanentURL(); *text = UTF8ToUTF16(url->spec()); *write_url = true; return; } // We can't use CurrentTextIsURL() or GetDataForURLExport() because right now // the user is probably holding down control to cause the copy, which will // screw up our calculation of the desired_tld. AutocompleteMatch match; AutocompleteClassifierFactory::GetForProfile(profile_)->Classify(*text, KeywordIsSelected(), true, &match, NULL); if (AutocompleteMatch::IsSearchType(match.type)) return; *url = match.destination_url; // Prefix the text with 'http://' if the text doesn't start with 'http://', // the text parses as a url with a scheme of http, the user selected the // entire host, and the user hasn't edited the host or manually removed the // scheme. GURL perm_url(PermanentURL()); if (perm_url.SchemeIs(content::kHttpScheme) && url->SchemeIs(content::kHttpScheme) && perm_url.host() == url->host()) { *write_url = true; string16 http = ASCIIToUTF16(content::kHttpScheme) + ASCIIToUTF16(content::kStandardSchemeSeparator); if (text->compare(0, http.length(), http) != 0) *text = http + *text; } } void OmniboxEditModel::SetInputInProgress(bool in_progress) { if (in_progress && !user_input_since_focus_) { base::TimeTicks now = base::TimeTicks::Now(); DCHECK(last_omnibox_focus_ <= now); UMA_HISTOGRAM_TIMES(kFocusToEditTimeHistogram, now - last_omnibox_focus_); user_input_since_focus_ = true; } if (user_input_in_progress_ == in_progress) return; user_input_in_progress_ = in_progress; if (user_input_in_progress_) { time_user_first_modified_omnibox_ = base::TimeTicks::Now(); content::RecordAction(content::UserMetricsAction("OmniboxInputInProgress")); autocomplete_controller()->ResetSession(); // Once the user starts editing, re-enable search term replacement, so that // it will kick in if applicable once the edit is committed or reverted. // (While the edit is in progress, this won't have a visible effect.) controller_->GetToolbarModel()->set_search_term_replacement_enabled(true); } controller_->GetToolbarModel()->set_input_in_progress(in_progress); controller_->Update(NULL); delegate_->NotifySearchTabHelper(user_input_in_progress_, !in_revert_); } void OmniboxEditModel::Revert() { SetInputInProgress(false); paste_state_ = NONE; InternalSetUserText(string16()); keyword_.clear(); is_keyword_hint_ = false; has_temporary_text_ = false; view_->SetWindowTextAndCaretPos(permanent_text_, has_focus() ? permanent_text_.length() : 0, false, true); AutocompleteActionPredictor* action_predictor = predictors::AutocompleteActionPredictorFactory::GetForProfile(profile_); if (action_predictor) action_predictor->ClearTransitionalMatches(); } void OmniboxEditModel::StartAutocomplete( bool has_selected_text, bool prevent_inline_autocomplete) const { size_t cursor_position; if (inline_autocomplete_text_.empty()) { // Cursor position is equivalent to the current selection's end. size_t start; view_->GetSelectionBounds(&start, &cursor_position); // Adjust cursor position taking into account possible keyword in the user // text. We rely on DisplayTextFromUserText() method which is consistent // with keyword extraction done in KeywordProvider/SearchProvider. const size_t cursor_offset = user_text_.length() - DisplayTextFromUserText(user_text_).length(); cursor_position += cursor_offset; } else { // There are some cases where StartAutocomplete() may be called // with non-empty |inline_autocomplete_text_|. In such cases, we cannot // use the current selection, because it could result with the cursor // position past the last character from the user text. Instead, // we assume that the cursor is simply at the end of input. // One example is when user presses Ctrl key while having a highlighted // inline autocomplete text. // TODO: Rethink how we are going to handle this case to avoid // inconsistent behavior when user presses Ctrl key. // See http://crbug.com/165961 and http://crbug.com/165968 for more details. cursor_position = user_text_.length(); } GURL current_url = (delegate_->CurrentPageExists() && view_->IsIndicatingQueryRefinement()) ? delegate_->GetURL() : GURL(); bool keyword_is_selected = KeywordIsSelected(); omnibox_controller_->StartAutocomplete( user_text_, cursor_position, current_url, ClassifyPage(), prevent_inline_autocomplete || just_deleted_text_ || (has_selected_text && inline_autocomplete_text_.empty()) || (paste_state_ != NONE), keyword_is_selected, keyword_is_selected || allow_exact_keyword_match_); } void OmniboxEditModel::StopAutocomplete() { autocomplete_controller()->Stop(true); } bool OmniboxEditModel::CanPasteAndGo(const string16& text) const { if (!view_->command_updater()->IsCommandEnabled(IDC_OPEN_CURRENT_URL)) return false; AutocompleteMatch match; ClassifyStringForPasteAndGo(text, &match, NULL); return match.destination_url.is_valid(); } void OmniboxEditModel::PasteAndGo(const string16& text) { DCHECK(CanPasteAndGo(text)); view_->RevertAll(); AutocompleteMatch match; GURL alternate_nav_url; ClassifyStringForPasteAndGo(text, &match, &alternate_nav_url); view_->OpenMatch(match, CURRENT_TAB, alternate_nav_url, OmniboxPopupModel::kNoMatch); } bool OmniboxEditModel::IsPasteAndSearch(const string16& text) const { AutocompleteMatch match; ClassifyStringForPasteAndGo(text, &match, NULL); return AutocompleteMatch::IsSearchType(match.type); } void OmniboxEditModel::AcceptInput(WindowOpenDisposition disposition, bool for_drop) { // Get the URL and transition type for the selected entry. GURL alternate_nav_url; AutocompleteMatch match = CurrentMatch(&alternate_nav_url); // If CTRL is down it means the user wants to append ".com" to the text he // typed. If we can successfully generate a URL_WHAT_YOU_TYPED match doing // that, then we use this. These matches are marked as generated by the // HistoryURLProvider so we only generate them if this provider is present. if (control_key_state_ == DOWN_WITHOUT_CHANGE && !KeywordIsSelected() && autocomplete_controller()->history_url_provider()) { // Generate a new AutocompleteInput, copying the latest one but using "com" // as the desired TLD. Then use this autocomplete input to generate a // URL_WHAT_YOU_TYPED AutocompleteMatch. Note that using the most recent // input instead of the currently visible text means we'll ignore any // visible inline autocompletion: if a user types "foo" and is autocompleted // to "foodnetwork.com", ctrl-enter will navigate to "foo.com", not // "foodnetwork.com". At the time of writing, this behavior matches // Internet Explorer, but not Firefox. const AutocompleteInput& old_input = autocomplete_controller()->input(); AutocompleteInput input( old_input.text(), old_input.cursor_position(), ASCIIToUTF16("com"), GURL(), old_input.current_page_classification(), old_input.prevent_inline_autocomplete(), old_input.prefer_keyword(), old_input.allow_exact_keyword_match(), old_input.matches_requested()); AutocompleteMatch url_match = HistoryURLProvider::SuggestExactInput( autocomplete_controller()->history_url_provider(), input, true); if (url_match.destination_url.is_valid()) { // We have a valid URL, we use this newly generated AutocompleteMatch. match = url_match; alternate_nav_url = GURL(); } } if (!match.destination_url.is_valid()) return; if ((match.transition == content::PAGE_TRANSITION_TYPED) && (match.destination_url == URLFixerUpper::FixupURL(UTF16ToUTF8(permanent_text_), std::string()))) { // When the user hit enter on the existing permanent URL, treat it like a // reload for scoring purposes. We could detect this by just checking // user_input_in_progress_, but it seems better to treat "edits" that end // up leaving the URL unchanged (e.g. deleting the last character and then // retyping it) as reloads too. We exclude non-TYPED transitions because if // the transition is GENERATED, the user input something that looked // different from the current URL, even if it wound up at the same place // (e.g. manually retyping the same search query), and it seems wrong to // treat this as a reload. match.transition = content::PAGE_TRANSITION_RELOAD; } else if (for_drop || ((paste_state_ != NONE) && match.is_history_what_you_typed_match)) { // When the user pasted in a URL and hit enter, score it like a link click // rather than a normal typed URL, so it doesn't get inline autocompleted // as aggressively later. match.transition = content::PAGE_TRANSITION_LINK; } const TemplateURL* template_url = match.GetTemplateURL(profile_, false); if (template_url && template_url->url_ref().HasGoogleBaseURLs()) GoogleURLTracker::GoogleURLSearchCommitted(profile_); view_->OpenMatch(match, disposition, alternate_nav_url, OmniboxPopupModel::kNoMatch); } void OmniboxEditModel::OpenMatch(const AutocompleteMatch& match, WindowOpenDisposition disposition, const GURL& alternate_nav_url, size_t index) { const string16& user_text = user_input_in_progress_ ? user_text_ : permanent_text_; scoped_ptr observer( new OmniboxNavigationObserver(profile_, user_text, match, alternate_nav_url)); // We only care about cases where there is a selection (i.e. the popup is // open). if (popup_model()->IsOpen()) { const base::TimeTicks& now(base::TimeTicks::Now()); base::TimeDelta elapsed_time_since_user_first_modified_omnibox( now - time_user_first_modified_omnibox_); base::TimeDelta elapsed_time_since_last_change_to_default_match( now - autocomplete_controller()->last_time_default_match_changed()); // These elapsed times don't really make sense for ZeroSuggest matches // (because the user does not modify the omnibox for ZeroSuggest), so for // those we set the elapsed times to something that will be ignored by // metrics_log.cc. if (match.provider && match.provider->type() == AutocompleteProvider::TYPE_ZERO_SUGGEST) { elapsed_time_since_user_first_modified_omnibox = base::TimeDelta::FromMilliseconds(-1); elapsed_time_since_last_change_to_default_match = base::TimeDelta::FromMilliseconds(-1); } OmniboxLog log( user_text, just_deleted_text_, autocomplete_controller()->input().type(), popup_model()->selected_line(), -1, // don't yet know tab ID; set later if appropriate ClassifyPage(), elapsed_time_since_user_first_modified_omnibox, match.inline_autocompletion.length(), elapsed_time_since_last_change_to_default_match, result()); DCHECK(user_input_in_progress_ || (match.provider && match.provider->type() == AutocompleteProvider::TYPE_ZERO_SUGGEST)) << "We didn't get here through the expected series of calls. " << "time_user_first_modified_omnibox_ is not set correctly and other " << "things may be wrong. Match provider: " << (match.provider ? match.provider->GetName() : "NULL"); DCHECK(log.elapsed_time_since_user_first_modified_omnibox >= log.elapsed_time_since_last_change_to_default_match) << "We should've got the notification that the user modified the " << "omnibox text at same time or before the most recent time the " << "default match changed."; if (index != OmniboxPopupModel::kNoMatch) log.selected_index = index; if ((disposition == CURRENT_TAB) && delegate_->CurrentPageExists()) { // If we know the destination is being opened in the current tab, // we can easily get the tab ID. (If it's being opened in a new // tab, we don't know the tab ID yet.) log.tab_id = delegate_->GetSessionID().id(); } autocomplete_controller()->AddProvidersInfo(&log.providers_info); content::NotificationService::current()->Notify( chrome::NOTIFICATION_OMNIBOX_OPENED_URL, content::Source(profile_), content::Details(&log)); HISTOGRAM_ENUMERATION("Omnibox.EventCount", 1, 2); DCHECK(!last_omnibox_focus_.is_null()) << "An omnibox focus should have occurred before opening a match."; UMA_HISTOGRAM_TIMES(kFocusToOpenTimeHistogram, now - last_omnibox_focus_); } TemplateURL* template_url = match.GetTemplateURL(profile_, false); if (template_url) { if (match.transition == content::PAGE_TRANSITION_KEYWORD) { // The user is using a non-substituting keyword or is explicitly in // keyword mode. const AutocompleteMatch& match = (index == OmniboxPopupModel::kNoMatch) ? CurrentMatch(NULL) : result().match_at(index); // Don't increment usage count for extension keywords. if (delegate_->ProcessExtensionKeyword(template_url, match, disposition)) { observer->OnSuccessfulNavigation(); if (disposition != NEW_BACKGROUND_TAB) view_->RevertAll(); return; } content::RecordAction(content::UserMetricsAction("AcceptedKeyword")); TemplateURLServiceFactory::GetForProfile(profile_)->IncrementUsageCount( template_url); } else { DCHECK_EQ(content::PAGE_TRANSITION_GENERATED, match.transition); // NOTE: We purposefully don't increment the usage count of the default // search engine here like we do for explicit keywords above; see comments // in template_url.h. } // TODO(pkasting): This histogram obsoletes the next one. Remove the next // one in Chrome 32 or later. UMA_HISTOGRAM_ENUMERATION("Omnibox.SearchEngineType", TemplateURLPrepopulateData::GetEngineType(*template_url), SEARCH_ENGINE_MAX); // NOTE: Non-prepopulated engines will all have ID 0, which is fine as // the prepopulate IDs start at 1. Distribution-specific engines will // all have IDs above the maximum, and will be automatically lumped // together in an "overflow" bucket in the histogram. UMA_HISTOGRAM_ENUMERATION("Omnibox.SearchEngine", template_url->prepopulate_id(), TemplateURLPrepopulateData::kMaxPrepopulatedEngineID); } // Get the current text before we call RevertAll() which will clear it. string16 current_text = GetViewText(); if (disposition != NEW_BACKGROUND_TAB) { base::AutoReset tmp(&in_revert_, true); view_->RevertAll(); // Revert the box to its unedited state. } if (match.type == AutocompleteMatchType::EXTENSION_APP) { ExtensionAppProvider::LaunchAppFromOmnibox(match, profile_, disposition); observer->OnSuccessfulNavigation(); } else { base::TimeDelta query_formulation_time = base::TimeTicks::Now() - time_user_first_modified_omnibox_; const GURL destination_url = autocomplete_controller()-> GetDestinationURL(match, query_formulation_time); RecordPercentageMatchHistogram( permanent_text_, current_text, controller_->GetToolbarModel()->WouldPerformSearchTermReplacement( false), match.transition); // Track whether the destination URL sends us to a search results page // using the default search provider. if (TemplateURLServiceFactory::GetForProfile(profile_)-> IsSearchResultsPageFromDefaultSearchProvider(destination_url)) { content::RecordAction( content::UserMetricsAction("OmniboxDestinationURLIsSearchOnDSP")); } if (destination_url.is_valid()) { // This calls RevertAll again. base::AutoReset tmp(&in_revert_, true); controller_->OnAutocompleteAccept( destination_url, disposition, content::PageTransitionFromInt( match.transition | content::PAGE_TRANSITION_FROM_ADDRESS_BAR)); if (observer->load_state() != OmniboxNavigationObserver::LOAD_NOT_SEEN) ignore_result(observer.release()); // The observer will delete itself. } } if (match.starred) RecordBookmarkLaunch(BOOKMARK_LAUNCH_LOCATION_OMNIBOX); } bool OmniboxEditModel::AcceptKeyword(EnteredKeywordModeMethod entered_method) { DCHECK(is_keyword_hint_ && !keyword_.empty()); autocomplete_controller()->Stop(false); is_keyword_hint_ = false; if (popup_model()->IsOpen()) popup_model()->SetSelectedLineState(OmniboxPopupModel::KEYWORD); else StartAutocomplete(false, true); // Ensure the current selection is saved before showing keyword mode // so that moving to another line and then reverting the text will restore // the current state properly. bool save_original_selection = !has_temporary_text_; has_temporary_text_ = true; view_->OnTemporaryTextMaybeChanged( DisplayTextFromUserText(CurrentMatch(NULL).fill_into_edit), save_original_selection, true); content::RecordAction(content::UserMetricsAction("AcceptedKeywordHint")); UMA_HISTOGRAM_ENUMERATION(kEnteredKeywordModeHistogram, entered_method, ENTERED_KEYWORD_MODE_NUM_ITEMS); return true; } void OmniboxEditModel::AcceptTemporaryTextAsUserText() { InternalSetUserText(UserTextFromDisplayText(view_->GetText())); has_temporary_text_ = false; delegate_->NotifySearchTabHelper(user_input_in_progress_, !in_revert_); } void OmniboxEditModel::ClearKeyword(const string16& visible_text) { autocomplete_controller()->Stop(false); omnibox_controller_->ClearPopupKeywordMode(); const string16 window_text(keyword_ + visible_text); // Only reset the result if the edit text has changed since the // keyword was accepted, or if the popup is closed. if (just_deleted_text_ || !visible_text.empty() || !popup_model()->IsOpen()) { view_->OnBeforePossibleChange(); view_->SetWindowTextAndCaretPos(window_text.c_str(), keyword_.length(), false, false); keyword_.clear(); is_keyword_hint_ = false; view_->OnAfterPossibleChange(); just_deleted_text_ = true; // OnAfterPossibleChange() fails to clear this // since the edit contents have actually grown // longer. } else { is_keyword_hint_ = true; view_->SetWindowTextAndCaretPos(window_text.c_str(), keyword_.length(), false, true); } } void OmniboxEditModel::OnSetFocus(bool control_down) { last_omnibox_focus_ = base::TimeTicks::Now(); user_input_since_focus_ = false; // If the omnibox lost focus while the caret was hidden and then regained // focus, OnSetFocus() is called and should restore visibility. Note that // focus can be regained without an accompanying call to // OmniboxView::SetFocus(), e.g. by tabbing in. SetFocusState(OMNIBOX_FOCUS_VISIBLE, OMNIBOX_FOCUS_CHANGE_EXPLICIT); control_key_state_ = control_down ? DOWN_WITHOUT_CHANGE : UP; // Try to get ZeroSuggest suggestions if a page is loaded and the user has // not been typing in the omnibox. The |user_input_in_progress_| check is // used to detect the case where this function is called after right-clicking // in the omnibox and selecting paste in Linux (in which case we actually get // the OnSetFocus() call after the process of handling the paste has kicked // off). // TODO(hfung): Remove this when crbug/271590 is fixed. if (delegate_->CurrentPageExists() && !user_input_in_progress_) { // TODO(jered): We may want to merge this into Start() and just call that // here rather than having a special entry point for zero-suggest. Note // that we avoid PermanentURL() here because it's not guaranteed to give us // the actual underlying current URL, e.g. if we're on the NTP and the // |permanent_text_| is empty. autocomplete_controller()->StartZeroSuggest(delegate_->GetURL(), ClassifyPage(), permanent_text_); } delegate_->NotifySearchTabHelper(user_input_in_progress_, !in_revert_); } void OmniboxEditModel::SetCaretVisibility(bool visible) { // Caret visibility only matters if the omnibox has focus. if (focus_state_ != OMNIBOX_FOCUS_NONE) { SetFocusState(visible ? OMNIBOX_FOCUS_VISIBLE : OMNIBOX_FOCUS_INVISIBLE, OMNIBOX_FOCUS_CHANGE_EXPLICIT); } } void OmniboxEditModel::OnWillKillFocus(gfx::NativeView view_gaining_focus) { InstantController* instant = GetInstantController(); if (instant) { instant->OmniboxFocusChanged(OMNIBOX_FOCUS_NONE, OMNIBOX_FOCUS_CHANGE_EXPLICIT, view_gaining_focus); } // TODO(jered): Rip this out along with StartZeroSuggest. autocomplete_controller()->StopZeroSuggest(); delegate_->NotifySearchTabHelper(user_input_in_progress_, !in_revert_); } void OmniboxEditModel::OnKillFocus() { // TODO(samarth): determine if it is safe to move the call to // OmniboxFocusChanged() from OnWillKillFocus() to here, which would let us // just call SetFocusState() to handle the state change. focus_state_ = OMNIBOX_FOCUS_NONE; focus_source_ = INVALID; control_key_state_ = UP; paste_state_ = NONE; } bool OmniboxEditModel::OnEscapeKeyPressed() { const AutocompleteMatch& match = CurrentMatch(NULL); if (has_temporary_text_) { if (match.destination_url != original_url_) { RevertTemporaryText(true); return true; } } // We do not clear the pending entry from the omnibox when a load is first // stopped. If the user presses Escape while stopped, we clear it. if (delegate_->CurrentPageExists() && !delegate_->IsLoading()) { delegate_->GetNavigationController().DiscardNonCommittedEntries(); view_->Update(); } // If the user wasn't editing, but merely had focus in the edit, allow // to be processed as an accelerator, so it can still be used to stop a load. // When the permanent text isn't all selected we still fall through to the // SelectAll() call below so users can arrow around in the text and then hit // to quickly replace all the text; this matches IE. const bool has_zero_suggest_match = match.provider && (match.provider->type() == AutocompleteProvider::TYPE_ZERO_SUGGEST); if (!has_zero_suggest_match && !user_input_in_progress_ && view_->IsSelectAll()) return false; if (!user_text_.empty()) { UMA_HISTOGRAM_ENUMERATION(kOmniboxUserTextClearedHistogram, OMNIBOX_USER_TEXT_CLEARED_WITH_ESCAPE, OMNIBOX_USER_TEXT_CLEARED_NUM_OF_ITEMS); } view_->RevertAll(); view_->SelectAll(true); return true; } void OmniboxEditModel::OnControlKeyChanged(bool pressed) { if (pressed == (control_key_state_ == UP)) control_key_state_ = pressed ? DOWN_WITHOUT_CHANGE : UP; } void OmniboxEditModel::OnUpOrDownKeyPressed(int count) { // NOTE: This purposefully doesn't trigger any code that resets paste_state_. if (popup_model()->IsOpen()) { // The popup is open, so the user should be able to interact with it // normally. popup_model()->Move(count); return; } if (!query_in_progress()) { // The popup is neither open nor working on a query already. So, start an // autocomplete query for the current text. This also sets // user_input_in_progress_ to true, which we want: if the user has started // to interact with the popup, changing the permanent_text_ shouldn't change // the displayed text. // Note: This does not force the popup to open immediately. // TODO(pkasting): We should, in fact, force this particular query to open // the popup immediately. if (!user_input_in_progress_) InternalSetUserText(permanent_text_); view_->UpdatePopup(); return; } // TODO(pkasting): The popup is working on a query but is not open. We should // force it to open immediately. } void OmniboxEditModel::OnPopupDataChanged( const string16& text, GURL* destination_for_temporary_text_change, const string16& keyword, bool is_keyword_hint) { // The popup changed its data, the match in the controller is no longer valid. omnibox_controller_->InvalidateCurrentMatch(); // Update keyword/hint-related local state. bool keyword_state_changed = (keyword_ != keyword) || ((is_keyword_hint_ != is_keyword_hint) && !keyword.empty()); if (keyword_state_changed) { keyword_ = keyword; is_keyword_hint_ = is_keyword_hint; // |is_keyword_hint_| should always be false if |keyword_| is empty. DCHECK(!keyword_.empty() || !is_keyword_hint_); } // Handle changes to temporary text. if (destination_for_temporary_text_change != NULL) { const bool save_original_selection = !has_temporary_text_; if (save_original_selection) { // Save the original selection and URL so it can be reverted later. has_temporary_text_ = true; original_url_ = *destination_for_temporary_text_change; inline_autocomplete_text_.clear(); } if (control_key_state_ == DOWN_WITHOUT_CHANGE) { // Arrowing around the popup cancels control-enter. control_key_state_ = DOWN_WITH_CHANGE; // Now things are a bit screwy: the desired_tld has changed, but if we // update the popup, the new order of entries won't match the old, so the // user's selection gets screwy; and if we don't update the popup, and the // user reverts, then the selected item will be as if control is still // pressed, even though maybe it isn't any more. There is no obvious // right answer here :( } view_->OnTemporaryTextMaybeChanged(DisplayTextFromUserText(text), save_original_selection, true); return; } bool call_controller_onchanged = true; inline_autocomplete_text_ = text; string16 user_text = user_input_in_progress_ ? user_text_ : permanent_text_; if (keyword_state_changed && KeywordIsSelected()) { // If we reach here, the user most likely entered keyword mode by inserting // a space between a keyword name and a search string (as pressing space or // tab after the keyword name alone would have been be handled in // MaybeAcceptKeywordBySpace() by calling AcceptKeyword(), which won't reach // here). In this case, we don't want to call // OnInlineAutocompleteTextMaybeChanged() as normal, because that will // correctly change the text (to the search string alone) but move the caret // to the end of the string; instead we want the caret at the start of the // search string since that's where it was in the original input. So we set // the text and caret position directly. // // It may also be possible to reach here if we're reverting from having // temporary text back to a default match that's a keyword search, but in // that case the RevertTemporaryText() call below will reset the caret or // selection correctly so the caret positioning we do here won't matter. view_->SetWindowTextAndCaretPos(DisplayTextFromUserText(user_text), 0, false, false); } else if (view_->OnInlineAutocompleteTextMaybeChanged( DisplayTextFromUserText(user_text + inline_autocomplete_text_), DisplayTextFromUserText(user_text).length())) { call_controller_onchanged = false; } // If |has_temporary_text_| is true, then we previously had a manual selection // but now don't (or |destination_for_temporary_text_change| would have been // non-NULL). This can happen when deleting the selected item in the popup. // In this case, we've already reverted the popup to the default match, so we // need to revert ourselves as well. if (has_temporary_text_) { RevertTemporaryText(false); call_controller_onchanged = false; } // We need to invoke OnChanged in case the destination url changed (as could // happen when control is toggled). if (call_controller_onchanged) OnChanged(); } bool OmniboxEditModel::OnAfterPossibleChange(const string16& old_text, const string16& new_text, size_t selection_start, size_t selection_end, bool selection_differs, bool text_differs, bool just_deleted_text, bool allow_keyword_ui_change) { // Update the paste state as appropriate: if we're just finishing a paste // that replaced all the text, preserve that information; otherwise, if we've // made some other edit, clear paste tracking. if (paste_state_ == PASTING) paste_state_ = PASTED; else if (text_differs) paste_state_ = NONE; if (text_differs || selection_differs) { // Record current focus state for this input if we haven't already. if (focus_source_ == INVALID) { // We should generally expect the omnibox to have focus at this point, but // it doesn't always on Linux. This is because, unlike other platforms, // right clicking in the omnibox on Linux doesn't focus it. So pasting via // right-click can change the contents without focusing the omnibox. // TODO(samarth): fix Linux focus behavior and add a DCHECK here to // check that the omnibox does have focus. focus_source_ = (focus_state_ == OMNIBOX_FOCUS_INVISIBLE) ? FAKEBOX : OMNIBOX; } // Restore caret visibility whenever the user changes text or selection in // the omnibox. SetFocusState(OMNIBOX_FOCUS_VISIBLE, OMNIBOX_FOCUS_CHANGE_TYPING); } // Modifying the selection counts as accepting the autocompleted text. const bool user_text_changed = text_differs || (selection_differs && !inline_autocomplete_text_.empty()); // If something has changed while the control key is down, prevent // "ctrl-enter" until the control key is released. if ((text_differs || selection_differs) && (control_key_state_ == DOWN_WITHOUT_CHANGE)) control_key_state_ = DOWN_WITH_CHANGE; if (!user_text_changed) return false; // If the user text has not changed, we do not want to change the model's // state associated with the text. Otherwise, we can get surprising behavior // where the autocompleted text unexpectedly reappears, e.g. crbug.com/55983 InternalSetUserText(UserTextFromDisplayText(new_text)); has_temporary_text_ = false; // Track when the user has deleted text so we won't allow inline // autocomplete. just_deleted_text_ = just_deleted_text; if (user_input_in_progress_ && user_text_.empty()) { // Log cases where the user started editing and then subsequently cleared // all the text. Note that this explicitly doesn't catch cases like // "hit ctrl-l to select whole edit contents, then hit backspace", because // in such cases, |user_input_in_progress| won't be true here. UMA_HISTOGRAM_ENUMERATION(kOmniboxUserTextClearedHistogram, OMNIBOX_USER_TEXT_CLEARED_BY_EDITING, OMNIBOX_USER_TEXT_CLEARED_NUM_OF_ITEMS); } const bool no_selection = selection_start == selection_end; // Update the popup for the change, in the process changing to keyword mode // if the user hit space in mid-string after a keyword. // |allow_exact_keyword_match_| will be used by StartAutocomplete() method, // which will be called by |view_->UpdatePopup()|; so after that returns we // can safely reset this flag. allow_exact_keyword_match_ = text_differs && allow_keyword_ui_change && !just_deleted_text && no_selection && CreatedKeywordSearchByInsertingSpaceInMiddle(old_text, user_text_, selection_start); if (allow_exact_keyword_match_) { UMA_HISTOGRAM_ENUMERATION(kEnteredKeywordModeHistogram, ENTERED_KEYWORD_MODE_VIA_SPACE_IN_MIDDLE, ENTERED_KEYWORD_MODE_NUM_ITEMS); } view_->UpdatePopup(); allow_exact_keyword_match_ = false; // Change to keyword mode if the user is now pressing space after a keyword // name. Note that if this is the case, then even if there was no keyword // hint when we entered this function (e.g. if the user has used space to // replace some selected text that was adjoined to this keyword), there will // be one now because of the call to UpdatePopup() above; so it's safe for // MaybeAcceptKeywordBySpace() to look at |keyword_| and |is_keyword_hint_| to // determine what keyword, if any, is applicable. // // If MaybeAcceptKeywordBySpace() accepts the keyword and returns true, that // will have updated our state already, so in that case we don't also return // true from this function. return !(text_differs && allow_keyword_ui_change && !just_deleted_text && no_selection && (selection_start == user_text_.length()) && MaybeAcceptKeywordBySpace(user_text_)); } // TODO(beaudoin): Merge OnPopupDataChanged with this method once the popup // handling has completely migrated to omnibox_controller. void OmniboxEditModel::OnCurrentMatchChanged() { has_temporary_text_ = false; const AutocompleteMatch& match = omnibox_controller_->current_match(); // We store |keyword| and |is_keyword_hint| in temporary variables since // OnPopupDataChanged use their previous state to detect changes. string16 keyword; bool is_keyword_hint; match.GetKeywordUIState(profile_, &keyword, &is_keyword_hint); popup_model()->OnResultChanged(); // OnPopupDataChanged() resets OmniboxController's |current_match_| early // on. Therefore, copy match.inline_autocompletion to a temp to preserve // its value across the entire call. const string16 inline_autocompletion(match.inline_autocompletion); OnPopupDataChanged(inline_autocompletion, NULL, keyword, is_keyword_hint); } string16 OmniboxEditModel::GetViewText() const { return view_->GetText(); } InstantController* OmniboxEditModel::GetInstantController() const { return controller_->GetInstant(); } bool OmniboxEditModel::query_in_progress() const { return !autocomplete_controller()->done(); } void OmniboxEditModel::InternalSetUserText(const string16& text) { user_text_ = text; just_deleted_text_ = false; inline_autocomplete_text_.clear(); } bool OmniboxEditModel::KeywordIsSelected() const { return !is_keyword_hint_ && !keyword_.empty(); } void OmniboxEditModel::ClearPopupKeywordMode() const { omnibox_controller_->ClearPopupKeywordMode(); } string16 OmniboxEditModel::DisplayTextFromUserText(const string16& text) const { return KeywordIsSelected() ? KeywordProvider::SplitReplacementStringFromInput(text, false) : text; } string16 OmniboxEditModel::UserTextFromDisplayText(const string16& text) const { return KeywordIsSelected() ? (keyword_ + char16(' ') + text) : text; } void OmniboxEditModel::GetInfoForCurrentText(AutocompleteMatch* match, GURL* alternate_nav_url) const { DCHECK(match != NULL); if (controller_->GetToolbarModel()->WouldPerformSearchTermReplacement( false)) { // Any time the user hits enter on the unchanged omnibox, we should reload. // When we're not extracting search terms, AcceptInput() will take care of // this (see code referring to PAGE_TRANSITION_RELOAD there), but when we're // extracting search terms, the conditionals there won't fire, so we // explicitly set up a match that will reload here. // It's important that we fetch the current visible URL to reload instead of // just getting a "search what you typed" URL from // SearchProvider::CreateSearchSuggestion(), since the user may be in a // non-default search mode such as image search. match->type = AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED; match->destination_url = delegate_->GetNavigationController().GetVisibleEntry()->GetURL(); match->transition = content::PAGE_TRANSITION_RELOAD; } else if (popup_model()->IsOpen() || query_in_progress()) { if (query_in_progress()) { // It's technically possible for |result| to be empty if no provider // returns a synchronous result but the query has not completed // synchronously; pratically, however, that should never actually happen. if (result().empty()) return; // The user cannot have manually selected a match, or the query would have // stopped. So the default match must be the desired selection. *match = *result().default_match(); } else { // If there are no results, the popup should be closed, so we shouldn't // have gotten here. CHECK(!result().empty()); CHECK(popup_model()->selected_line() < result().size()); *match = result().match_at(popup_model()->selected_line()); } if (alternate_nav_url && popup_model()->manually_selected_match().empty()) *alternate_nav_url = result().alternate_nav_url(); } else { AutocompleteClassifierFactory::GetForProfile(profile_)->Classify( UserTextFromDisplayText(view_->GetText()), KeywordIsSelected(), true, match, alternate_nav_url); } } void OmniboxEditModel::RevertTemporaryText(bool revert_popup) { // The user typed something, then selected a different item. Restore the // text they typed and change back to the default item. // NOTE: This purposefully does not reset paste_state_. just_deleted_text_ = false; has_temporary_text_ = false; if (revert_popup) popup_model()->ResetToDefaultMatch(); view_->OnRevertTemporaryText(); } bool OmniboxEditModel::MaybeAcceptKeywordBySpace(const string16& new_text) { size_t keyword_length = new_text.length() - 1; return (paste_state_ == NONE) && is_keyword_hint_ && !keyword_.empty() && inline_autocomplete_text_.empty() && (keyword_.length() == keyword_length) && IsSpaceCharForAcceptingKeyword(new_text[keyword_length]) && !new_text.compare(0, keyword_length, keyword_, 0, keyword_length) && AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_SPACE_AT_END); } bool OmniboxEditModel::CreatedKeywordSearchByInsertingSpaceInMiddle( const string16& old_text, const string16& new_text, size_t caret_position) const { DCHECK_GE(new_text.length(), caret_position); // Check simple conditions first. if ((paste_state_ != NONE) || (caret_position < 2) || (old_text.length() < caret_position) || (new_text.length() == caret_position)) return false; size_t space_position = caret_position - 1; if (!IsSpaceCharForAcceptingKeyword(new_text[space_position]) || IsWhitespace(new_text[space_position - 1]) || new_text.compare(0, space_position, old_text, 0, space_position) || !new_text.compare(space_position, new_text.length() - space_position, old_text, space_position, old_text.length() - space_position)) { return false; } // Then check if the text before the inserted space matches a keyword. string16 keyword; TrimWhitespace(new_text.substr(0, space_position), TRIM_LEADING, &keyword); return !keyword.empty() && !autocomplete_controller()->keyword_provider()-> GetKeywordForText(keyword).empty(); } // static bool OmniboxEditModel::IsSpaceCharForAcceptingKeyword(wchar_t c) { switch (c) { case 0x0020: // Space case 0x3000: // Ideographic Space return true; default: return false; } } AutocompleteInput::PageClassification OmniboxEditModel::ClassifyPage() const { if (!delegate_->CurrentPageExists()) return AutocompleteInput::OTHER; if (delegate_->IsInstantNTP()) { // Note that we treat OMNIBOX as the source if focus_source_ is INVALID, // i.e., if input isn't actually in progress. return (focus_source_ == FAKEBOX) ? AutocompleteInput::INSTANT_NEW_TAB_PAGE_WITH_FAKEBOX_AS_STARTING_FOCUS : AutocompleteInput::INSTANT_NEW_TAB_PAGE_WITH_OMNIBOX_AS_STARTING_FOCUS; } const GURL& gurl = delegate_->GetURL(); if (!gurl.is_valid()) return AutocompleteInput::INVALID_SPEC; const std::string& url = gurl.spec(); if (url == chrome::kChromeUINewTabURL) return AutocompleteInput::NEW_TAB_PAGE; if (url == content::kAboutBlankURL) return AutocompleteInput::BLANK; if (url == profile()->GetPrefs()->GetString(prefs::kHomePage)) return AutocompleteInput::HOME_PAGE; if (controller_->GetToolbarModel()->WouldPerformSearchTermReplacement(true)) return AutocompleteInput::SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT; if (delegate_->IsSearchResultsPage()) return AutocompleteInput::SEARCH_RESULT_PAGE_NO_SEARCH_TERM_REPLACEMENT; return AutocompleteInput::OTHER; } void OmniboxEditModel::ClassifyStringForPasteAndGo( const string16& text, AutocompleteMatch* match, GURL* alternate_nav_url) const { DCHECK(match); AutocompleteClassifierFactory::GetForProfile(profile_)->Classify(text, false, false, match, alternate_nav_url); } void OmniboxEditModel::SetFocusState(OmniboxFocusState state, OmniboxFocusChangeReason reason) { if (state == focus_state_) return; InstantController* instant = GetInstantController(); if (instant) instant->OmniboxFocusChanged(state, reason, NULL); // Update state and notify view if the omnibox has focus and the caret // visibility changed. const bool was_caret_visible = is_caret_visible(); focus_state_ = state; if (focus_state_ != OMNIBOX_FOCUS_NONE && is_caret_visible() != was_caret_visible) view_->ApplyCaretVisibility(); }