chrome/browser/ui/omnibox/omnibox_view.cc

   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 // This file defines helper functions shared by the various implementations
   6 // of OmniboxView.
   7
   8 #include "chrome/browser/ui/omnibox/omnibox_view.h"
   9
  10 #include "base/strings/string16.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "chrome/browser/search/search.h"
  14 #include "chrome/browser/search_engines/template_url_service_factory.h"
  15 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
  16 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  17 #include "chrome/grit/generated_resources.h"
  18 #include "components/omnibox/autocomplete_match.h"
  19 #include "components/search_engines/template_url.h"
  20 #include "components/search_engines/template_url_service.h"
  21 #include "grit/components_scaled_resources.h"
  22 #include "grit/theme_resources.h"
  23 #include "ui/base/clipboard/clipboard.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25
  26 // static
  27 base::string16 OmniboxView::StripJavascriptSchemas(const base::string16& text) {
  28   const base::string16 kJsPrefix(
  29       base::ASCIIToUTF16(url::kJavaScriptScheme) + base::ASCIIToUTF16(":"));
  30   base::string16 out(text);
  31   while (StartsWith(out, kJsPrefix, false)) {
  32     base::TrimWhitespace(out.substr(kJsPrefix.length()), base::TRIM_LEADING,
  33                          &out);
  34   }
  35   return out;
  36 }
  37
  38 // static
  39 base::string16 OmniboxView::SanitizeTextForPaste(const base::string16& text) {
  40   // Check for non-newline whitespace; if found, collapse whitespace runs down
  41   // to single spaces.
  42   // TODO(shess): It may also make sense to ignore leading or
  43   // trailing whitespace when making this determination.
  44   for (size_t i = 0; i < text.size(); ++i) {
  45     if (IsWhitespace(text[i]) && text[i] != '\n' && text[i] != '\r') {
  46       const base::string16 collapsed = base::CollapseWhitespace(text, false);
  47       // If the user is pasting all-whitespace, paste a single space
  48       // rather than nothing, since pasting nothing feels broken.
  49       return collapsed.empty() ?
  50           base::ASCIIToUTF16(" ") : StripJavascriptSchemas(collapsed);
  51     }
  52   }
  53
  54   // Otherwise, all whitespace is newlines; remove it entirely.
  55   return StripJavascriptSchemas(base::CollapseWhitespace(text, true));
  56 }
  57
  58 // static
  59 base::string16 OmniboxView::GetClipboardText() {
  60   // Try text format.
  61   ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
  62   if (clipboard->IsFormatAvailable(ui::Clipboard::GetPlainTextWFormatType(),
  63                                    ui::CLIPBOARD_TYPE_COPY_PASTE)) {
  64     base::string16 text;
  65     clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &text);
  66     return SanitizeTextForPaste(text);
  67   }
  68
  69   // Try bookmark format.
  70   //
  71   // It is tempting to try bookmark format first, but the URL we get out of a
  72   // bookmark has been cannonicalized via GURL.  This means if a user copies
  73   // and pastes from the URL bar to itself, the text will get fixed up and
  74   // cannonicalized, which is not what the user expects.  By pasting in this
  75   // order, we are sure to paste what the user copied.
  76   if (clipboard->IsFormatAvailable(ui::Clipboard::GetUrlWFormatType(),
  77                                    ui::CLIPBOARD_TYPE_COPY_PASTE)) {
  78     std::string url_str;
  79     clipboard->ReadBookmark(NULL, &url_str);
  80     // pass resulting url string through GURL to normalize
  81     GURL url(url_str);
  82     if (url.is_valid())
  83       return StripJavascriptSchemas(base::UTF8ToUTF16(url.spec()));
  84   }
  85
  86   return base::string16();
  87 }
  88
  89 OmniboxView::~OmniboxView() {
  90 }
  91
  92 void OmniboxView::HandleOriginChipMouseRelease() {
  93   // Only hide if there isn't any current text in the Omnibox (e.g. search
  94   // terms).
  95   if (controller()->GetToolbarModel()->GetText().empty())
  96     controller()->HideOriginChip();
  97 }
  98
  99 void OmniboxView::OnDidKillFocus() {
 100   if (chrome::ShouldDisplayOriginChip() && !model()->user_input_in_progress())
 101     controller()->ShowOriginChip();
 102 }
 103
 104 void OmniboxView::OpenMatch(const AutocompleteMatch& match,
 105                             WindowOpenDisposition disposition,
 106                             const GURL& alternate_nav_url,
 107                             const base::string16& pasted_text,
 108                             size_t selected_line) {
 109   // Invalid URLs such as chrome://history can end up here.
 110   if (!match.destination_url.is_valid() || !model_)
 111     return;
 112   model_->OpenMatch(
 113       match, disposition, alternate_nav_url, pasted_text, selected_line);
 114   OnMatchOpened(match, controller_->GetWebContents());
 115 }
 116
 117 bool OmniboxView::IsEditingOrEmpty() const {
 118   return (model_.get() && model_->user_input_in_progress()) ||
 119       (GetOmniboxTextLength() == 0);
 120 }
 121
 122 int OmniboxView::GetIcon() const {
 123   if (!IsEditingOrEmpty())
 124     return controller_->GetToolbarModel()->GetIcon();
 125   int id = AutocompleteMatch::TypeToIcon(model_.get() ?
 126       model_->CurrentTextType() : AutocompleteMatchType::URL_WHAT_YOU_TYPED);
 127   return (id == IDR_OMNIBOX_HTTP) ? IDR_LOCATION_BAR_HTTP : id;
 128 }
 129
 130 base::string16 OmniboxView::GetHintText() const {
 131   // If the user is in keyword mode (the "Search <some site>:" chip is showing)
 132   // then it doesn't make sense to show the "Search <default search engine>"
 133   // hint text.
 134   if (model_->is_keyword_selected())
 135     return base::string16();
 136
 137   // Attempt to determine the default search provider and use that in the hint
 138   // text.
 139   TemplateURLService* template_url_service =
 140       TemplateURLServiceFactory::GetForProfile(model_->profile());
 141   if (template_url_service) {
 142     TemplateURL* template_url =
 143         template_url_service->GetDefaultSearchProvider();
 144     if (template_url)
 145       return l10n_util::GetStringFUTF16(
 146           IDS_OMNIBOX_EMPTY_HINT_WITH_DEFAULT_SEARCH_PROVIDER,
 147           template_url->AdjustedShortNameForLocaleDirection());
 148   }
 149
 150   // Otherwise return a hint based on there being no default search provider.
 151   return l10n_util::GetStringUTF16(
 152       IDS_OMNIBOX_EMPTY_HINT_NO_DEFAULT_SEARCH_PROVIDER);
 153 }
 154
 155 void OmniboxView::SetUserText(const base::string16& text) {
 156   SetUserText(text, text, true);
 157 }
 158
 159 void OmniboxView::SetUserText(const base::string16& text,
 160                               const base::string16& display_text,
 161                               bool update_popup) {
 162   if (model_.get())
 163     model_->SetUserText(text);
 164   SetWindowTextAndCaretPos(display_text, display_text.length(), update_popup,
 165                            true);
 166 }
 167
 168 void OmniboxView::ShowURL() {
 169   SetFocus();
 170   controller_->GetToolbarModel()->set_origin_chip_enabled(false);
 171   controller_->GetToolbarModel()->set_url_replacement_enabled(false);
 172   model_->UpdatePermanentText();
 173   RevertWithoutResettingSearchTermReplacement();
 174   SelectAll(true);
 175 }
 176
 177 void OmniboxView::HideURL() {
 178   controller_->GetToolbarModel()->set_origin_chip_enabled(true);
 179   controller_->GetToolbarModel()->set_url_replacement_enabled(true);
 180   model_->UpdatePermanentText();
 181   RevertWithoutResettingSearchTermReplacement();
 182 }
 183
 184 void OmniboxView::RevertAll() {
 185   controller_->GetToolbarModel()->set_origin_chip_enabled(true);
 186   controller_->GetToolbarModel()->set_url_replacement_enabled(true);
 187   RevertWithoutResettingSearchTermReplacement();
 188 }
 189
 190 void OmniboxView::RevertWithoutResettingSearchTermReplacement() {
 191   CloseOmniboxPopup();
 192   if (model_.get())
 193     model_->Revert();
 194   TextChanged();
 195 }
 196
 197 void OmniboxView::CloseOmniboxPopup() {
 198   if (model_.get())
 199     model_->StopAutocomplete();
 200 }
 201
 202 bool OmniboxView::IsImeShowingPopup() const {
 203   // Default to claiming that the IME is not showing a popup, since hiding the
 204   // omnibox dropdown is a bad user experience when we don't know for sure that
 205   // we have to.
 206   return false;
 207 }
 208
 209 void OmniboxView::ShowImeIfNeeded() {
 210 }
 211
 212 bool OmniboxView::IsIndicatingQueryRefinement() const {
 213   // The default implementation always returns false.  Mobile ports can override
 214   // this method and implement as needed.
 215   return false;
 216 }
 217
 218 void OmniboxView::OnMatchOpened(const AutocompleteMatch& match,
 219                                 content::WebContents* web_contents) {
 220 }
 221
 222 OmniboxView::OmniboxView(Profile* profile,
 223                          OmniboxEditController* controller,
 224                          CommandUpdater* command_updater)
 225     : controller_(controller),
 226       command_updater_(command_updater) {
 227   // |profile| can be NULL in tests.
 228   if (profile)
 229     model_.reset(new OmniboxEditModel(this, controller, profile));
 230 }
 231
 232 void OmniboxView::TextChanged() {
 233   EmphasizeURLComponents();
 234   if (model_.get())
 235     model_->OnChanged();
 236 }