omnibox_view_views.cc revision 0de6073388f4e2780db8536178b129cd8f6ab386 
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/metrics/histogram.h"
10#include "base/strings/string_util.h"
11#include "base/strings/utf_string_conversions.h"
12#include "chrome/app/chrome_command_ids.h"
13#include "chrome/browser/autocomplete/autocomplete_input.h"
14#include "chrome/browser/autocomplete/autocomplete_match.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/browser/ui/views/settings_api_bubble_helper_views.h"
24#include "chrome/browser/ui/views/website_settings/website_settings_popup_view.h"
25#include "components/bookmarks/core/browser/bookmark_node_data.h"
26#include "content/public/browser/web_contents.h"
27#include "extensions/common/constants.h"
28#include "grit/app_locale_settings.h"
29#include "grit/generated_resources.h"
30#include "grit/ui_strings.h"
31#include "net/base/escape.h"
32#include "third_party/skia/include/core/SkColor.h"
33#include "ui/accessibility/ax_view_state.h"
34#include "ui/aura/client/focus_client.h"
35#include "ui/aura/window_event_dispatcher.h"
36#include "ui/base/clipboard/scoped_clipboard_writer.h"
37#include "ui/base/dragdrop/drag_drop_types.h"
38#include "ui/base/dragdrop/os_exchange_data.h"
39#include "ui/base/ime/text_input_client.h"
40#include "ui/base/ime/text_input_type.h"
41#include "ui/base/l10n/l10n_util.h"
42#include "ui/base/models/simple_menu_model.h"
43#include "ui/base/resource/resource_bundle.h"
44#include "ui/compositor/layer.h"
45#include "ui/events/event.h"
46#include "ui/gfx/animation/slide_animation.h"
47#include "ui/gfx/canvas.h"
48#include "ui/gfx/font_list.h"
49#include "ui/gfx/selection_model.h"
50#include "ui/views/border.h"
51#include "ui/views/button_drag_utils.h"
52#include "ui/views/controls/textfield/textfield.h"
53#include "ui/views/ime/input_method.h"
54#include "ui/views/layout/fill_layout.h"
55#include "ui/views/views_delegate.h"
56#include "ui/views/widget/widget.h"
57#include "url/gurl.h"
58
59#if defined(OS_WIN)
60#include "chrome/browser/browser_process.h"
61#endif
62
63namespace {
64
65// Stores omnibox state for each tab.
66struct OmniboxState : public base::SupportsUserData::Data {
67  static const char kKey[];
68
69  OmniboxState(const OmniboxEditModel::State& model_state,
70               const gfx::Range& selection,
71               const gfx::Range& saved_selection_for_focus_change);
72  virtual ~OmniboxState();
73
74  const OmniboxEditModel::State model_state;
75
76  // We store both the actual selection and any saved selection (for when the
77  // omnibox is not focused).  This allows us to properly handle cases like
78  // selecting text, tabbing out of the omnibox, switching tabs away and back,
79  // and tabbing back into the omnibox.
80  const gfx::Range selection;
81  const gfx::Range saved_selection_for_focus_change;
82};
83
84// static
85const char OmniboxState::kKey[] = "OmniboxState";
86
87OmniboxState::OmniboxState(const OmniboxEditModel::State& model_state,
88                           const gfx::Range& selection,
89                           const gfx::Range& saved_selection_for_focus_change)
90    : model_state(model_state),
91      selection(selection),
92      saved_selection_for_focus_change(saved_selection_for_focus_change) {
93}
94
95OmniboxState::~OmniboxState() {}
96
97// We'd like to set the text input type to TEXT_INPUT_TYPE_URL, because this
98// triggers URL-specific layout in software keyboards, e.g. adding top-level "/"
99// and ".com" keys for English.  However, this also causes IMEs to default to
100// Latin character mode, which makes entering search queries difficult for IME
101// users.  Therefore, we try to guess whether an IME will be used based on the
102// application language, and set the input type accordingly.
103ui::TextInputType DetermineTextInputType() {
104#if defined(OS_WIN)
105  DCHECK(g_browser_process);
106  const std::string& locale = g_browser_process->GetApplicationLocale();
107  const std::string& language = locale.substr(0, 2);
108  // Assume CJK + Thai users are using an IME.
109  if (language == "ja" ||
110      language == "ko" ||
111      language == "th" ||
112      language == "zh")
113    return ui::TEXT_INPUT_TYPE_SEARCH;
114#endif
115  return ui::TEXT_INPUT_TYPE_URL;
116}
117
118}  // namespace
119
120// static
121const char OmniboxViewViews::kViewClassName[] = "OmniboxViewViews";
122
123OmniboxViewViews::OmniboxViewViews(OmniboxEditController* controller,
124                                   Profile* profile,
125                                   CommandUpdater* command_updater,
126                                   bool popup_window_mode,
127                                   LocationBarView* location_bar,
128                                   const gfx::FontList& font_list)
129    : OmniboxView(profile, controller, command_updater),
130      popup_window_mode_(popup_window_mode),
131      security_level_(ToolbarModel::NONE),
132      saved_selection_for_focus_change_(gfx::Range::InvalidRange()),
133      ime_composing_before_change_(false),
134      delete_at_end_pressed_(false),
135      location_bar_view_(location_bar),
136      ime_candidate_window_open_(false),
137      select_all_on_mouse_release_(false),
138      select_all_on_gesture_tap_(false) {
139  SetBorder(views::Border::NullBorder());
140  set_id(VIEW_ID_OMNIBOX);
141  SetFontList(font_list);
142}
143
144OmniboxViewViews::~OmniboxViewViews() {
145#if defined(OS_CHROMEOS)
146  chromeos::input_method::InputMethodManager::Get()->
147      RemoveCandidateWindowObserver(this);
148#endif
149
150  // Explicitly teardown members which have a reference to us.  Just to be safe
151  // we want them to be destroyed before destroying any other internal state.
152  popup_view_.reset();
153}
154
155////////////////////////////////////////////////////////////////////////////////
156// OmniboxViewViews public:
157
158void OmniboxViewViews::Init() {
159  set_controller(this);
160  SetTextInputType(DetermineTextInputType());
161
162  if (popup_window_mode_)
163    SetReadOnly(true);
164
165  // Initialize the popup view using the same font.
166  popup_view_.reset(OmniboxPopupContentsView::Create(
167      GetFontList(), this, model(), location_bar_view_));
168
169#if defined(OS_CHROMEOS)
170  chromeos::input_method::InputMethodManager::Get()->
171      AddCandidateWindowObserver(this);
172#endif
173
174  fade_in_animation_.reset(new gfx::SlideAnimation(this));
175  fade_in_animation_->SetTweenType(gfx::Tween::LINEAR);
176  fade_in_animation_->SetSlideDuration(300);
177}
178
179void OmniboxViewViews::FadeIn() {
180  fade_in_animation_->Show();
181}
182
183////////////////////////////////////////////////////////////////////////////////
184// OmniboxViewViews, public OmniboxView implementation:
185
186void OmniboxViewViews::SaveStateToTab(content::WebContents* tab) {
187  DCHECK(tab);
188
189  // We don't want to keep the IME status, so force quit the current
190  // session here.  It may affect the selection status, so order is
191  // also important.
192  if (IsIMEComposing()) {
193    GetTextInputClient()->ConfirmCompositionText();
194    GetInputMethod()->CancelComposition(this);
195  }
196
197  // NOTE: GetStateForTabSwitch() may affect GetSelectedRange(), so order is
198  // important.
199  OmniboxEditModel::State state = model()->GetStateForTabSwitch();
200  tab->SetUserData(OmniboxState::kKey, new OmniboxState(
201      state, GetSelectedRange(), saved_selection_for_focus_change_));
202}
203
204void OmniboxViewViews::OnTabChanged(const content::WebContents* web_contents) {
205  security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false);
206
207  const OmniboxState* state = static_cast<OmniboxState*>(
208      web_contents->GetUserData(&OmniboxState::kKey));
209  model()->RestoreState(state ? &state->model_state : NULL);
210  if (state) {
211    // This assumes that the omnibox has already been focused or blurred as
212    // appropriate; otherwise, a subsequent OnFocus() or OnBlur() call could
213    // goof up the selection.  See comments at the end of
214    // BrowserView::ActiveTabChanged().
215    SelectRange(state->selection);
216    saved_selection_for_focus_change_ = state->saved_selection_for_focus_change;
217  }
218
219  // TODO(msw|oshima): Consider saving/restoring edit history.
220  ClearEditHistory();
221}
222
223void OmniboxViewViews::Update() {
224  if (chrome::ShouldDisplayOriginChip() || chrome::ShouldDisplayOriginChipV2())
225    set_placeholder_text(GetHintText());
226
227  const ToolbarModel::SecurityLevel old_security_level = security_level_;
228  security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false);
229  if (model()->UpdatePermanentText()) {
230    // Something visibly changed.  Re-enable URL replacement.
231    controller()->GetToolbarModel()->set_url_replacement_enabled(true);
232    model()->UpdatePermanentText();
233
234    // Select all the new text if the user had all the old text selected, or if
235    // there was no previous text (for new tab page URL replacement extensions).
236    // This makes one particular case better: the user clicks in the box to
237    // change it right before the permanent URL is changed.  Since the new URL
238    // is still fully selected, the user's typing will replace the edit contents
239    // as they'd intended.
240    const bool was_select_all = IsSelectAll();
241    const bool was_reversed = GetSelectedRange().is_reversed();
242
243    RevertAll();
244
245    // Only select all when we have focus.  If we don't have focus, selecting
246    // all is unnecessary since the selection will change on regaining focus,
247    // and can in fact cause artifacts, e.g. if the user is on the NTP and
248    // clicks a link to navigate, causing |was_select_all| to be vacuously true
249    // for the empty omnibox, and we then select all here, leading to the
250    // trailing portion of a long URL being scrolled into view.  We could try
251    // and address cases like this, but it seems better to just not muck with
252    // things when the omnibox isn't focused to begin with.
253    if (was_select_all && model()->has_focus())
254      SelectAll(was_reversed);
255  } else if (old_security_level != security_level_) {
256    EmphasizeURLComponents();
257  }
258}
259
260base::string16 OmniboxViewViews::GetText() const {
261  // TODO(oshima): IME support
262  return text();
263}
264
265void OmniboxViewViews::SetUserText(const base::string16& text,
266                                   const base::string16& display_text,
267                                   bool update_popup) {
268  saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
269  OmniboxView::SetUserText(text, display_text, update_popup);
270}
271
272void OmniboxViewViews::SetForcedQuery() {
273  const base::string16 current_text(text());
274  const size_t start = current_text.find_first_not_of(base::kWhitespaceUTF16);
275  if (start == base::string16::npos || (current_text[start] != '?'))
276    OmniboxView::SetUserText(base::ASCIIToUTF16("?"));
277  else
278    SelectRange(gfx::Range(current_text.size(), start + 1));
279}
280
281void OmniboxViewViews::GetSelectionBounds(
282    base::string16::size_type* start,
283    base::string16::size_type* end) const {
284  const gfx::Range range = GetSelectedRange();
285  *start = static_cast<size_t>(range.start());
286  *end = static_cast<size_t>(range.end());
287}
288
289void OmniboxViewViews::SelectAll(bool reversed) {
290  views::Textfield::SelectAll(reversed);
291}
292
293void OmniboxViewViews::RevertAll() {
294  saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
295  OmniboxView::RevertAll();
296}
297
298void OmniboxViewViews::SetFocus() {
299  RequestFocus();
300  // Restore caret visibility if focus is explicitly requested. This is
301  // necessary because if we already have invisible focus, the RequestFocus()
302  // call above will short-circuit, preventing us from reaching
303  // OmniboxEditModel::OnSetFocus(), which handles restoring visibility when the
304  // omnibox regains focus after losing focus.
305  model()->SetCaretVisibility(true);
306}
307
308int OmniboxViewViews::GetTextWidth() const {
309  // Returns the width necessary to display the current text, including any
310  // necessary space for the cursor or border/margin.
311  return GetRenderText()->GetContentWidth() + GetInsets().width();
312}
313
314bool OmniboxViewViews::IsImeComposing() const {
315  return IsIMEComposing();
316}
317
318void OmniboxViewViews::ExecuteCommand(int command_id, int event_flags) {
319  switch (command_id) {
320    // These commands don't invoke the popup via OnBefore/AfterPossibleChange().
321    case IDS_PASTE_AND_GO:
322      model()->PasteAndGo(GetClipboardText());
323      break;
324    case IDS_SHOW_URL:
325      controller()->ShowURL();
326      break;
327    case IDC_EDIT_SEARCH_ENGINES:
328      command_updater()->ExecuteCommand(command_id);
329      break;
330    case IDS_MOVE_DOWN:
331    case IDS_MOVE_UP:
332      model()->OnUpOrDownKeyPressed(command_id == IDS_MOVE_DOWN ? 1 : -1);
333      break;
334
335    default:
336      OnBeforePossibleChange();
337      if (command_id == IDS_APP_PASTE)
338        OnPaste();
339      else if (Textfield::IsCommandIdEnabled(command_id))
340        Textfield::ExecuteCommand(command_id, event_flags);
341      else
342        command_updater()->ExecuteCommand(command_id);
343      OnAfterPossibleChange();
344      break;
345  }
346}
347
348////////////////////////////////////////////////////////////////////////////////
349// OmniboxViewViews, private:
350
351int OmniboxViewViews::GetOmniboxTextLength() const {
352  // TODO(oshima): Support IME.
353  return static_cast<int>(text().length());
354}
355
356void OmniboxViewViews::EmphasizeURLComponents() {
357  // See whether the contents are a URL with a non-empty host portion, which we
358  // should emphasize.  To check for a URL, rather than using the type returned
359  // by Parse(), ask the model, which will check the desired page transition for
360  // this input.  This can tell us whether an UNKNOWN input string is going to
361  // be treated as a search or a navigation, and is the same method the Paste
362  // And Go system uses.
363  url::Component scheme, host;
364  AutocompleteInput::ParseForEmphasizeComponents(text(), &scheme, &host);
365  bool grey_out_url = text().substr(scheme.begin, scheme.len) ==
366      base::UTF8ToUTF16(extensions::kExtensionScheme);
367  bool grey_base = model()->CurrentTextIsURL() &&
368      (host.is_nonempty() || grey_out_url);
369  SetColor(location_bar_view_->GetColor(
370      security_level_,
371      grey_base ? LocationBarView::DEEMPHASIZED_TEXT : LocationBarView::TEXT));
372  if (grey_base && !grey_out_url) {
373    ApplyColor(
374        location_bar_view_->GetColor(security_level_, LocationBarView::TEXT),
375        gfx::Range(host.begin, host.end()));
376  }
377
378  // Emphasize the scheme for security UI display purposes (if necessary).
379  // Note that we check CurrentTextIsURL() because if we're replacing search
380  // URLs with search terms, we may have a non-URL even when the user is not
381  // editing; and in some cases, e.g. for "site:foo.com" searches, the parser
382  // may have incorrectly identified a qualifier as a scheme.
383  SetStyle(gfx::DIAGONAL_STRIKE, false);
384  if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() &&
385      scheme.is_nonempty() && (security_level_ != ToolbarModel::NONE)) {
386    SkColor security_color = location_bar_view_->GetColor(
387        security_level_, LocationBarView::SECURITY_TEXT);
388    const bool strike = (security_level_ == ToolbarModel::SECURITY_ERROR);
389    const gfx::Range scheme_range(scheme.begin, scheme.end());
390    ApplyColor(security_color, scheme_range);
391    ApplyStyle(gfx::DIAGONAL_STRIKE, strike, scheme_range);
392  }
393}
394
395void OmniboxViewViews::SetTextAndSelectedRange(const base::string16& text,
396                                               const gfx::Range& range) {
397  SetText(text);
398  SelectRange(range);
399}
400
401base::string16 OmniboxViewViews::GetSelectedText() const {
402  // TODO(oshima): Support IME.
403  return views::Textfield::GetSelectedText();
404}
405
406void OmniboxViewViews::OnPaste() {
407  const base::string16 text(GetClipboardText());
408  if (!text.empty()) {
409    // Record this paste, so we can do different behavior.
410    model()->OnPaste();
411    // Force a Paste operation to trigger the text_changed code in
412    // OnAfterPossibleChange(), even if identical contents are pasted.
413    text_before_change_.clear();
414    InsertOrReplaceText(text);
415  }
416}
417
418bool OmniboxViewViews::HandleEarlyTabActions(const ui::KeyEvent& event) {
419  // This must run before acclerator handling invokes a focus change on tab.
420  // Note the parallel with SkipDefaultKeyEventProcessing above.
421  if (views::FocusManager::IsTabTraversalKeyEvent(event)) {
422    if (model()->is_keyword_hint() && !event.IsShiftDown()) {
423      model()->AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_TAB);
424      return true;
425    }
426    if (model()->popup_model()->IsOpen()) {
427      if (event.IsShiftDown() &&
428          model()->popup_model()->selected_line_state() ==
429              OmniboxPopupModel::KEYWORD) {
430        model()->ClearKeyword(text());
431      } else {
432        model()->OnUpOrDownKeyPressed(event.IsShiftDown() ? -1 : 1);
433      }
434      return true;
435    }
436  }
437
438  return false;
439}
440
441////////////////////////////////////////////////////////////////////////////////
442// OmniboxViewViews, private View implementation:
443
444void OmniboxViewViews::OnNativeThemeChanged(const ui::NativeTheme* theme) {
445  views::Textfield::OnNativeThemeChanged(theme);
446  SetBackgroundColor(location_bar_view_->GetColor(
447      ToolbarModel::NONE, LocationBarView::BACKGROUND));
448  EmphasizeURLComponents();
449}
450
451////////////////////////////////////////////////////////////////////////////////
452// OmniboxViewViews, private OmniboxView implementation:
453
454void OmniboxViewViews::SetWindowTextAndCaretPos(const base::string16& text,
455                                                size_t caret_pos,
456                                                bool update_popup,
457                                                bool notify_text_changed) {
458  const gfx::Range range(caret_pos, caret_pos);
459  SetTextAndSelectedRange(text, range);
460
461  if (update_popup)
462    UpdatePopup();
463
464  if (notify_text_changed)
465    TextChanged();
466}
467
468bool OmniboxViewViews::IsSelectAll() const {
469  // TODO(oshima): IME support.
470  return text() == GetSelectedText();
471}
472
473bool OmniboxViewViews::DeleteAtEndPressed() {
474  return delete_at_end_pressed_;
475}
476
477void OmniboxViewViews::UpdatePopup() {
478  model()->SetInputInProgress(true);
479  if (!model()->has_focus())
480    return;
481
482  // Prevent inline autocomplete when the caret isn't at the end of the text.
483  const gfx::Range sel = GetSelectedRange();
484  model()->StartAutocomplete(!sel.is_empty(), sel.GetMax() < text().length());
485}
486
487void OmniboxViewViews::ApplyCaretVisibility() {
488  SetCursorEnabled(model()->is_caret_visible());
489}
490
491void OmniboxViewViews::OnTemporaryTextMaybeChanged(
492    const base::string16& display_text,
493    bool save_original_selection,
494    bool notify_text_changed) {
495  if (save_original_selection)
496    saved_temporary_selection_ = GetSelectedRange();
497
498  SetWindowTextAndCaretPos(display_text, display_text.length(), false,
499                           notify_text_changed);
500}
501
502bool OmniboxViewViews::OnInlineAutocompleteTextMaybeChanged(
503    const base::string16& display_text,
504    size_t user_text_length) {
505  if (display_text == text())
506    return false;
507
508  if (IsIMEComposing()) {
509    location_bar_view_->SetImeInlineAutocompletion(
510        display_text.substr(user_text_length));
511  } else {
512    gfx::Range range(display_text.size(), user_text_length);
513    SetTextAndSelectedRange(display_text, range);
514  }
515  TextChanged();
516  return true;
517}
518
519void OmniboxViewViews::OnInlineAutocompleteTextCleared() {
520  // Hide the inline autocompletion for IME users.
521  location_bar_view_->SetImeInlineAutocompletion(base::string16());
522}
523
524void OmniboxViewViews::OnRevertTemporaryText() {
525  SelectRange(saved_temporary_selection_);
526  // We got here because the user hit the Escape key. We explicitly don't call
527  // TextChanged(), since OmniboxPopupModel::ResetToDefaultMatch() has already
528  // been called by now, and it would've called TextChanged() if it was
529  // warranted.
530}
531
532void OmniboxViewViews::OnBeforePossibleChange() {
533  // Record our state.
534  text_before_change_ = text();
535  sel_before_change_ = GetSelectedRange();
536  ime_composing_before_change_ = IsIMEComposing();
537}
538
539bool OmniboxViewViews::OnAfterPossibleChange() {
540  // See if the text or selection have changed since OnBeforePossibleChange().
541  const base::string16 new_text = text();
542  const gfx::Range new_sel = GetSelectedRange();
543  const bool text_changed = (new_text != text_before_change_) ||
544      (ime_composing_before_change_ != IsIMEComposing());
545  const bool selection_differs =
546      !((sel_before_change_.is_empty() && new_sel.is_empty()) ||
547        sel_before_change_.EqualsIgnoringDirection(new_sel));
548
549  // When the user has deleted text, we don't allow inline autocomplete.  Make
550  // sure to not flag cases like selecting part of the text and then pasting
551  // (or typing) the prefix of that selection.  (We detect these by making
552  // sure the caret, which should be after any insertion, hasn't moved
553  // forward of the old selection start.)
554  const bool just_deleted_text =
555      (text_before_change_.length() > new_text.length()) &&
556      (new_sel.start() <= sel_before_change_.GetMin());
557
558  const bool something_changed = model()->OnAfterPossibleChange(
559      text_before_change_, new_text, new_sel.start(), new_sel.end(),
560      selection_differs, text_changed, just_deleted_text, !IsIMEComposing());
561
562  // If only selection was changed, we don't need to call model()'s
563  // OnChanged() method, which is called in TextChanged().
564  // But we still need to call EmphasizeURLComponents() to make sure the text
565  // attributes are updated correctly.
566  if (something_changed && text_changed)
567    TextChanged();
568  else if (selection_differs)
569    EmphasizeURLComponents();
570  else if (delete_at_end_pressed_)
571    model()->OnChanged();
572
573  return something_changed;
574}
575
576gfx::NativeView OmniboxViewViews::GetNativeView() const {
577  return GetWidget()->GetNativeView();
578}
579
580gfx::NativeView OmniboxViewViews::GetRelativeWindowForPopup() const {
581  return GetWidget()->GetTopLevelWidget()->GetNativeView();
582}
583
584void OmniboxViewViews::SetGrayTextAutocompletion(const base::string16& input) {
585  location_bar_view_->SetGrayTextAutocompletion(input);
586}
587
588base::string16 OmniboxViewViews::GetGrayTextAutocompletion() const {
589  return location_bar_view_->GetGrayTextAutocompletion();
590}
591
592int OmniboxViewViews::GetWidth() const {
593  return location_bar_view_->width();
594}
595
596bool OmniboxViewViews::IsImeShowingPopup() const {
597#if defined(OS_CHROMEOS)
598  return ime_candidate_window_open_;
599#else
600  const views::InputMethod* input_method = this->GetInputMethod();
601  return input_method && input_method->IsCandidatePopupOpen();
602#endif
603}
604
605void OmniboxViewViews::ShowImeIfNeeded() {
606  GetInputMethod()->ShowImeIfNeeded();
607}
608
609void OmniboxViewViews::OnMatchOpened(const AutocompleteMatch& match,
610                                     Profile* profile,
611                                     content::WebContents* web_contents) const {
612  extensions::MaybeShowExtensionControlledSearchNotification(
613      profile, web_contents, match);
614}
615
616bool OmniboxViewViews::IsCommandIdEnabled(int command_id) const {
617  if (command_id == IDS_APP_PASTE)
618    return !read_only() && !GetClipboardText().empty();
619  if (command_id == IDS_PASTE_AND_GO)
620    return !read_only() && model()->CanPasteAndGo(GetClipboardText());
621  if (command_id == IDS_SHOW_URL)
622    return controller()->GetToolbarModel()->WouldReplaceURL();
623  return command_id == IDS_MOVE_DOWN || command_id == IDS_MOVE_UP ||
624         Textfield::IsCommandIdEnabled(command_id) ||
625         command_updater()->IsCommandEnabled(command_id);
626}
627
628bool OmniboxViewViews::IsItemForCommandIdDynamic(int command_id) const {
629  return command_id == IDS_PASTE_AND_GO;
630}
631
632base::string16 OmniboxViewViews::GetLabelForCommandId(int command_id) const {
633  DCHECK_EQ(IDS_PASTE_AND_GO, command_id);
634  return l10n_util::GetStringUTF16(
635      model()->IsPasteAndSearch(GetClipboardText()) ?
636          IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO);
637}
638
639////////////////////////////////////////////////////////////////////////////////
640// OmniboxViewViews, private views::Textfield implementation:
641
642const char* OmniboxViewViews::GetClassName() const {
643  return kViewClassName;
644}
645
646void OmniboxViewViews::OnPaint(gfx::Canvas* canvas) {
647  if (fade_in_animation_->is_animating()) {
648    canvas->SaveLayerAlpha(static_cast<uint8>(
649        fade_in_animation_->CurrentValueBetween(0, 255)));
650    views::Textfield::OnPaint(canvas);
651    canvas->Restore();
652  } else {
653    views::Textfield::OnPaint(canvas);
654  }
655}
656
657bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) {
658  select_all_on_mouse_release_ =
659      (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
660      (!HasFocus() || (model()->focus_state() == OMNIBOX_FOCUS_INVISIBLE));
661  if (select_all_on_mouse_release_) {
662    // Restore caret visibility whenever the user clicks in the omnibox in a way
663    // that would give it focus.  We must handle this case separately here
664    // because if the omnibox currently has invisible focus, the mouse event
665    // won't trigger either SetFocus() or OmniboxEditModel::OnSetFocus().
666    model()->SetCaretVisibility(true);
667
668    // When we're going to select all on mouse release, invalidate any saved
669    // selection lest restoring it fights with the "select all" action.  It's
670    // possible to later set select_all_on_mouse_release_ back to false, but
671    // that happens for things like dragging, which are cases where having
672    // invalidated this saved selection is still OK.
673    saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
674  }
675  return views::Textfield::OnMousePressed(event);
676}
677
678bool OmniboxViewViews::OnMouseDragged(const ui::MouseEvent& event) {
679  if (ExceededDragThreshold(event.location() - last_click_location()))
680    select_all_on_mouse_release_ = false;
681
682  if (HasTextBeingDragged())
683    CloseOmniboxPopup();
684
685  return views::Textfield::OnMouseDragged(event);
686}
687
688void OmniboxViewViews::OnMouseReleased(const ui::MouseEvent& event) {
689  views::Textfield::OnMouseReleased(event);
690  if (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) {
691    // When the user has clicked and released to give us focus, select all
692    // unless we're omitting the URL (in which case refining an existing query
693    // is common enough that we do click-to-place-cursor).
694    if (select_all_on_mouse_release_ &&
695        !controller()->GetToolbarModel()->WouldReplaceURL()) {
696      // Select all in the reverse direction so as not to scroll the caret
697      // into view and shift the contents jarringly.
698      SelectAll(true);
699    }
700
701    HandleOriginChipMouseRelease();
702  }
703  select_all_on_mouse_release_ = false;
704}
705
706bool OmniboxViewViews::OnKeyPressed(const ui::KeyEvent& event) {
707  // Skip processing of [Alt]+<num-pad digit> Unicode alt key codes.
708  // Otherwise, if num-lock is off, the events are handled as [Up], [Down], etc.
709  if (event.IsUnicodeKeyCode())
710    return views::Textfield::OnKeyPressed(event);
711
712  const bool shift = event.IsShiftDown();
713  const bool control = event.IsControlDown();
714  const bool alt = event.IsAltDown() || event.IsAltGrDown();
715  switch (event.key_code()) {
716    case ui::VKEY_RETURN:
717      model()->AcceptInput(alt ? NEW_FOREGROUND_TAB : CURRENT_TAB, false);
718      return true;
719    case ui::VKEY_ESCAPE:
720      return model()->OnEscapeKeyPressed();
721    case ui::VKEY_CONTROL:
722      model()->OnControlKeyChanged(true);
723      break;
724    case ui::VKEY_DELETE:
725      if (shift && model()->popup_model()->IsOpen())
726        model()->popup_model()->TryDeletingCurrentItem();
727      break;
728    case ui::VKEY_UP:
729      if (!read_only()) {
730        model()->OnUpOrDownKeyPressed(-1);
731        return true;
732      }
733      break;
734    case ui::VKEY_DOWN:
735      if (!read_only()) {
736        model()->OnUpOrDownKeyPressed(1);
737        return true;
738      }
739      break;
740    case ui::VKEY_PRIOR:
741      if (control || alt || shift)
742        return false;
743      model()->OnUpOrDownKeyPressed(-1 * model()->result().size());
744      return true;
745    case ui::VKEY_NEXT:
746      if (control || alt || shift)
747        return false;
748      model()->OnUpOrDownKeyPressed(model()->result().size());
749      return true;
750    case ui::VKEY_V:
751      if (control && !alt && !read_only()) {
752        ExecuteCommand(IDS_APP_PASTE, 0);
753        return true;
754      }
755      break;
756    case ui::VKEY_INSERT:
757      if (shift && !control && !read_only()) {
758        ExecuteCommand(IDS_APP_PASTE, 0);
759        return true;
760      }
761      break;
762    default:
763      break;
764  }
765
766  return views::Textfield::OnKeyPressed(event) || HandleEarlyTabActions(event);
767}
768
769bool OmniboxViewViews::OnKeyReleased(const ui::KeyEvent& event) {
770  // The omnibox contents may change while the control key is pressed.
771  if (event.key_code() == ui::VKEY_CONTROL)
772    model()->OnControlKeyChanged(false);
773  return views::Textfield::OnKeyReleased(event);
774}
775
776void OmniboxViewViews::OnGestureEvent(ui::GestureEvent* event) {
777  if (!HasFocus() && event->type() == ui::ET_GESTURE_TAP_DOWN) {
778    select_all_on_gesture_tap_ = true;
779
780    // If we're trying to select all on tap, invalidate any saved selection lest
781    // restoring it fights with the "select all" action.
782    saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
783  }
784
785  if (select_all_on_gesture_tap_ && event->type() == ui::ET_GESTURE_TAP)
786    SelectAll(false);
787
788  if (event->type() == ui::ET_GESTURE_TAP ||
789      event->type() == ui::ET_GESTURE_TAP_CANCEL ||
790      event->type() == ui::ET_GESTURE_TWO_FINGER_TAP ||
791      event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
792      event->type() == ui::ET_GESTURE_PINCH_BEGIN ||
793      event->type() == ui::ET_GESTURE_LONG_PRESS ||
794      event->type() == ui::ET_GESTURE_LONG_TAP) {
795    select_all_on_gesture_tap_ = false;
796  }
797
798  views::Textfield::OnGestureEvent(event);
799}
800
801void OmniboxViewViews::AboutToRequestFocusFromTabTraversal(bool reverse) {
802  views::Textfield::AboutToRequestFocusFromTabTraversal(reverse);
803  // Tabbing into the omnibox should affect the origin chip in the same way
804  // clicking it should.
805  HandleOriginChipMouseRelease();
806}
807
808bool OmniboxViewViews::SkipDefaultKeyEventProcessing(
809    const ui::KeyEvent& event) {
810  if (views::FocusManager::IsTabTraversalKeyEvent(event) &&
811      ((model()->is_keyword_hint() && !event.IsShiftDown()) ||
812       model()->popup_model()->IsOpen())) {
813    return true;
814  }
815  return Textfield::SkipDefaultKeyEventProcessing(event);
816}
817
818void OmniboxViewViews::GetAccessibleState(ui::AXViewState* state) {
819  location_bar_view_->GetAccessibleState(state);
820  state->role = ui::AX_ROLE_TEXT_FIELD;
821}
822
823void OmniboxViewViews::OnFocus() {
824  views::Textfield::OnFocus();
825  // TODO(oshima): Get control key state.
826  model()->OnSetFocus(false);
827  // Don't call controller()->OnSetFocus, this view has already acquired focus.
828
829  // Restore the selection we saved in OnBlur() if it's still valid.
830  if (saved_selection_for_focus_change_.IsValid()) {
831    SelectRange(saved_selection_for_focus_change_);
832    saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
833  }
834}
835
836void OmniboxViewViews::OnBlur() {
837  // Save the user's existing selection to restore it later.
838  saved_selection_for_focus_change_ = GetSelectedRange();
839
840  views::Textfield::OnBlur();
841  gfx::NativeView native_view = NULL;
842  views::Widget* widget = GetWidget();
843  if (widget) {
844    aura::client::FocusClient* client =
845        aura::client::GetFocusClient(widget->GetNativeView());
846    if (client)
847      native_view = client->GetFocusedWindow();
848  }
849  model()->OnWillKillFocus(native_view);
850  // Close the popup.
851  CloseOmniboxPopup();
852
853  // Tell the model to reset itself.
854  model()->OnKillFocus();
855
856  // Ignore loss of focus if we lost focus because the website settings popup
857  // is open. When the popup is destroyed, focus will return to the Omnibox.
858  if (!WebsiteSettingsPopupView::IsPopupShowing())
859    OnDidKillFocus();
860
861  // Make sure the beginning of the text is visible.
862  SelectRange(gfx::Range(0));
863}
864
865base::string16 OmniboxViewViews::GetSelectionClipboardText() const {
866  return SanitizeTextForPaste(Textfield::GetSelectionClipboardText());
867}
868
869////////////////////////////////////////////////////////////////////////////////
870// OmniboxViewViews, private gfx::AnimationDelegate implementation:
871
872void OmniboxViewViews::AnimationProgressed(const gfx::Animation* animation) {
873  SchedulePaint();
874}
875
876void OmniboxViewViews::AnimationEnded(const gfx::Animation* animation) {
877  fade_in_animation_->Reset();
878}
879
880////////////////////////////////////////////////////////////////////////////////
881// OmniboxViewViews,
882// chromeos::input_method::InputMethodManager::CandidateWindowObserver
883// private implementation:
884
885#if defined(OS_CHROMEOS)
886void OmniboxViewViews::CandidateWindowOpened(
887      chromeos::input_method::InputMethodManager* manager) {
888  ime_candidate_window_open_ = true;
889}
890
891void OmniboxViewViews::CandidateWindowClosed(
892      chromeos::input_method::InputMethodManager* manager) {
893  ime_candidate_window_open_ = false;
894}
895#endif
896
897////////////////////////////////////////////////////////////////////////////////
898// OmniboxViewViews, private views::TextfieldController implementation:
899
900void OmniboxViewViews::ContentsChanged(views::Textfield* sender,
901                                       const base::string16& new_contents) {
902}
903
904bool OmniboxViewViews::HandleKeyEvent(views::Textfield* textfield,
905                                      const ui::KeyEvent& event) {
906  delete_at_end_pressed_ = false;
907
908  if (event.key_code() == ui::VKEY_BACK) {
909    // No extra handling is needed in keyword search mode, if there is a
910    // non-empty selection, or if the cursor is not leading the text.
911    if (model()->is_keyword_hint() || model()->keyword().empty() ||
912        HasSelection() || GetCursorPosition() != 0)
913      return false;
914    model()->ClearKeyword(text());
915    return true;
916  }
917
918  if (event.key_code() == ui::VKEY_DELETE && !event.IsAltDown()) {
919    delete_at_end_pressed_ =
920        (!HasSelection() && GetCursorPosition() == text().length());
921  }
922
923  // Handle the right-arrow key for LTR text and the left-arrow key for RTL text
924  // if there is gray text that needs to be committed.
925  if (GetCursorPosition() == text().length()) {
926    base::i18n::TextDirection direction = GetTextDirection();
927    if ((direction == base::i18n::LEFT_TO_RIGHT &&
928         event.key_code() == ui::VKEY_RIGHT) ||
929        (direction == base::i18n::RIGHT_TO_LEFT &&
930         event.key_code() == ui::VKEY_LEFT)) {
931      return model()->CommitSuggestedText();
932    }
933  }
934
935  return false;
936}
937
938void OmniboxViewViews::OnBeforeUserAction(views::Textfield* sender) {
939  OnBeforePossibleChange();
940}
941
942void OmniboxViewViews::OnAfterUserAction(views::Textfield* sender) {
943  OnAfterPossibleChange();
944}
945
946void OmniboxViewViews::OnAfterCutOrCopy(ui::ClipboardType clipboard_type) {
947  ui::Clipboard* cb = ui::Clipboard::GetForCurrentThread();
948  base::string16 selected_text;
949  cb->ReadText(clipboard_type, &selected_text);
950  GURL url;
951  bool write_url;
952  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(),
953                             &selected_text, &url, &write_url);
954  if (IsSelectAll())
955    UMA_HISTOGRAM_COUNTS(OmniboxEditModel::kCutOrCopyAllTextHistogram, 1);
956
957  if (write_url) {
958    BookmarkNodeData data;
959    data.ReadFromTuple(url, selected_text);
960    data.WriteToClipboard(clipboard_type);
961  } else {
962    ui::ScopedClipboardWriter scoped_clipboard_writer(
963        ui::Clipboard::GetForCurrentThread(), clipboard_type);
964    scoped_clipboard_writer.WriteText(selected_text);
965  }
966}
967
968void OmniboxViewViews::OnWriteDragData(ui::OSExchangeData* data) {
969  GURL url;
970  bool write_url;
971  bool is_all_selected = IsSelectAll();
972  base::string16 selected_text = GetSelectedText();
973  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), is_all_selected,
974                             &selected_text, &url, &write_url);
975  data->SetString(selected_text);
976  if (write_url) {
977    gfx::Image favicon;
978    base::string16 title = selected_text;
979    if (is_all_selected)
980      model()->GetDataForURLExport(&url, &title, &favicon);
981    button_drag_utils::SetURLAndDragImage(url, title, favicon.AsImageSkia(),
982                                          data, GetWidget());
983    data->SetURL(url, title);
984  }
985}
986
987void OmniboxViewViews::OnGetDragOperationsForTextfield(int* drag_operations) {
988  base::string16 selected_text = GetSelectedText();
989  GURL url;
990  bool write_url;
991  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(),
992                             &selected_text, &url, &write_url);
993  if (write_url)
994    *drag_operations |= ui::DragDropTypes::DRAG_LINK;
995}
996
997void OmniboxViewViews::AppendDropFormats(
998    int* formats,
999    std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
1000  *formats = *formats | ui::OSExchangeData::URL;
1001}
1002
1003int OmniboxViewViews::OnDrop(const ui::OSExchangeData& data) {
1004  if (HasTextBeingDragged())
1005    return ui::DragDropTypes::DRAG_NONE;
1006
1007  if (data.HasURL(ui::OSExchangeData::CONVERT_FILENAMES)) {
1008    GURL url;
1009    base::string16 title;
1010    if (data.GetURLAndTitle(
1011            ui::OSExchangeData::CONVERT_FILENAMES, &url, &title)) {
1012      base::string16 text(
1013          StripJavascriptSchemas(base::UTF8ToUTF16(url.spec())));
1014      if (model()->CanPasteAndGo(text)) {
1015        model()->PasteAndGo(text);
1016        return ui::DragDropTypes::DRAG_COPY;
1017      }
1018    }
1019  } else if (data.HasString()) {
1020    base::string16 text;
1021    if (data.GetString(&text)) {
1022      base::string16 collapsed_text(base::CollapseWhitespace(text, true));
1023      if (model()->CanPasteAndGo(collapsed_text))
1024        model()->PasteAndGo(collapsed_text);
1025      return ui::DragDropTypes::DRAG_COPY;
1026    }
1027  }
1028
1029  return ui::DragDropTypes::DRAG_NONE;
1030}
1031
1032void OmniboxViewViews::UpdateContextMenu(ui::SimpleMenuModel* menu_contents) {
1033  int paste_position = menu_contents->GetIndexOfCommandId(IDS_APP_PASTE);
1034  DCHECK_GE(paste_position, 0);
1035  menu_contents->InsertItemWithStringIdAt(
1036      paste_position + 1, IDS_PASTE_AND_GO, IDS_PASTE_AND_GO);
1037
1038  menu_contents->AddSeparator(ui::NORMAL_SEPARATOR);
1039
1040  if (chrome::IsQueryExtractionEnabled() || chrome::ShouldDisplayOriginChip() ||
1041      chrome::ShouldDisplayOriginChipV2()) {
1042    int select_all_position = menu_contents->GetIndexOfCommandId(
1043        IDS_APP_SELECT_ALL);
1044    DCHECK_GE(select_all_position, 0);
1045    menu_contents->InsertItemWithStringIdAt(
1046        select_all_position + 1, IDS_SHOW_URL, IDS_SHOW_URL);
1047  }
1048
1049  // Minor note: We use IDC_ for command id here while the underlying textfield
1050  // is using IDS_ for all its command ids. This is because views cannot depend
1051  // on IDC_ for now.
1052  menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES,
1053      IDS_EDIT_SEARCH_ENGINES);
1054}
1055