omnibox_view_views.cc revision b2df76ea8fec9e32f6f3718986dba0d95315b29c 
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/logging.h"
8#include "base/string_util.h"
9#include "base/utf_string_conversions.h"
10#include "chrome/app/chrome_command_ids.h"
11#include "chrome/browser/autocomplete/autocomplete_input.h"
12#include "chrome/browser/autocomplete/autocomplete_match.h"
13#include "chrome/browser/bookmarks/bookmark_node_data.h"
14#include "chrome/browser/chromeos/input_method/input_method_configuration.h"
15#include "chrome/browser/command_updater.h"
16#include "chrome/browser/profiles/profile.h"
17#include "chrome/browser/search/search.h"
18#include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
19#include "chrome/browser/ui/omnibox/omnibox_edit_model.h"
20#include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
21#include "chrome/browser/ui/view_ids.h"
22#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
23#include "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h"
24#include "content/public/browser/web_contents.h"
25#include "extensions/common/constants.h"
26#include "googleurl/src/gurl.h"
27#include "grit/app_locale_settings.h"
28#include "grit/generated_resources.h"
29#include "grit/ui_strings.h"
30#include "net/base/escape.h"
31#include "third_party/skia/include/core/SkColor.h"
32#include "ui/base/accessibility/accessible_view_state.h"
33#include "ui/base/clipboard/scoped_clipboard_writer.h"
34#include "ui/base/dragdrop/drag_drop_types.h"
35#include "ui/base/dragdrop/os_exchange_data.h"
36#include "ui/base/events/event.h"
37#include "ui/base/ime/text_input_client.h"
38#include "ui/base/ime/text_input_type.h"
39#include "ui/base/l10n/l10n_util.h"
40#include "ui/base/models/simple_menu_model.h"
41#include "ui/base/resource/resource_bundle.h"
42#include "ui/gfx/canvas.h"
43#include "ui/gfx/font.h"
44#include "ui/gfx/selection_model.h"
45#include "ui/views/border.h"
46#include "ui/views/button_drag_utils.h"
47#include "ui/views/controls/textfield/textfield.h"
48#include "ui/views/ime/input_method.h"
49#include "ui/views/layout/fill_layout.h"
50#include "ui/views/views_delegate.h"
51#include "ui/views/widget/widget.h"
52
53#if defined(USE_AURA)
54#include "ui/aura/focus_manager.h"
55#include "ui/aura/root_window.h"
56#include "ui/compositor/layer.h"
57#endif
58
59namespace {
60
61// Stores omnibox state for each tab.
62struct OmniboxState : public base::SupportsUserData::Data {
63  static const char kKey[];
64
65  OmniboxState(const OmniboxEditModel::State& model_state,
66               const gfx::SelectionModel& selection_model);
67  virtual ~OmniboxState();
68
69  const OmniboxEditModel::State model_state;
70  const gfx::SelectionModel selection_model;
71};
72
73// static
74const char OmniboxState::kKey[] = "OmniboxState";
75
76OmniboxState::OmniboxState(const OmniboxEditModel::State& model_state,
77                           const gfx::SelectionModel& selection_model)
78    : model_state(model_state),
79      selection_model(selection_model) {
80}
81
82OmniboxState::~OmniboxState() {}
83
84// The following const value is the same as in browser_defaults.
85const int kAutocompleteEditFontPixelSize = 15;
86// Font size 10px (as defined in browser_defaults) is too small for many
87// non-Latin/Greek/Cyrillic (non-LGC) scripts. For pop-up window, the total
88// rectangle is 21px tall and the height available for "ink" is 17px (please
89// refer to kAutocompleteVerticalMarginInPopup). With 12px font size, the
90// tallest glyphs in UI fonts we're building for ChromeOS (across all scripts)
91// still fit within 17px "ink" height.
92const int kAutocompleteEditFontPixelSizeInPopup = 12;
93
94// The following 2 values are based on kAutocompleteEditFontPixelSize and
95// kAutocompleteEditFontPixelSizeInPopup. They should be changed accordingly
96// if font size for autocomplete edit (in popup) change.
97const int kAutocompleteVerticalMargin = 1;
98const int kAutocompleteVerticalMarginInPopup = 2;
99
100int GetEditFontPixelSize(bool popup_window_mode) {
101  return popup_window_mode ? kAutocompleteEditFontPixelSizeInPopup :
102                             kAutocompleteEditFontPixelSize;
103}
104
105// This will write |url| and |text| to the clipboard as a well-formed URL.
106void DoCopyURL(const GURL& url, const string16& text, Profile* profile) {
107  BookmarkNodeData data;
108  data.ReadFromTuple(url, text);
109  data.WriteToClipboard(profile);
110}
111
112}  // namespace
113
114// static
115const char OmniboxViewViews::kViewClassName[] = "OmniboxViewViews";
116
117OmniboxViewViews::OmniboxViewViews(OmniboxEditController* controller,
118                                   ToolbarModel* toolbar_model,
119                                   Profile* profile,
120                                   CommandUpdater* command_updater,
121                                   bool popup_window_mode,
122                                   LocationBarView* location_bar)
123    : OmniboxView(profile, controller, toolbar_model, command_updater),
124      popup_window_mode_(popup_window_mode),
125      security_level_(ToolbarModel::NONE),
126      ime_composing_before_change_(false),
127      delete_at_end_pressed_(false),
128      location_bar_view_(location_bar),
129      ime_candidate_window_open_(false),
130      select_all_on_mouse_release_(false),
131      select_all_on_gesture_tap_(false) {
132  RemoveBorder();
133  set_id(VIEW_ID_OMNIBOX);
134}
135
136OmniboxViewViews::~OmniboxViewViews() {
137#if defined(OS_CHROMEOS)
138  chromeos::input_method::GetInputMethodManager()->
139      RemoveCandidateWindowObserver(this);
140#endif
141
142  // Explicitly teardown members which have a reference to us.  Just to be safe
143  // we want them to be destroyed before destroying any other internal state.
144  popup_view_.reset();
145}
146
147////////////////////////////////////////////////////////////////////////////////
148// OmniboxViewViews public:
149
150void OmniboxViewViews::Init() {
151  // The height of the text view is going to change based on the font used.  We
152  // don't want to stretch the height, and we want it vertically centered.
153  // TODO(oshima): make sure the above happens with views.
154  SetController(this);
155  SetTextInputType(ui::TEXT_INPUT_TYPE_URL);
156  SetBackgroundColor(location_bar_view_->GetColor(
157      ToolbarModel::NONE, LocationBarView::BACKGROUND));
158
159  if (popup_window_mode_)
160    SetReadOnly(true);
161
162  const int font_size = GetEditFontPixelSize(popup_window_mode_);
163  if (font_size != font().GetFontSize())
164    SetFont(font().DeriveFont(font_size - font().GetFontSize()));
165
166  // Initialize the popup view using the same font.
167  popup_view_.reset(OmniboxPopupContentsView::Create(
168      font(), this, model(), location_bar_view_));
169
170  // A null-border to zero out the focused border on textfield.
171  const int vertical_margin = !popup_window_mode_ ?
172      kAutocompleteVerticalMargin : kAutocompleteVerticalMarginInPopup;
173  set_border(views::Border::CreateEmptyBorder(vertical_margin, 0,
174                                              vertical_margin, 0));
175#if defined(OS_CHROMEOS)
176  chromeos::input_method::GetInputMethodManager()->
177      AddCandidateWindowObserver(this);
178#endif
179}
180
181gfx::Font OmniboxViewViews::GetFont() {
182  return font();
183}
184
185////////////////////////////////////////////////////////////////////////////////
186// OmniboxViewViews, views::Textfield implementation:
187
188const char* OmniboxViewViews::GetClassName() const {
189  return kViewClassName;
190}
191
192void OmniboxViewViews::OnGestureEvent(ui::GestureEvent* event) {
193  views::Textfield::OnGestureEvent(event);
194  if (!HasFocus() && event->type() == ui::ET_GESTURE_TAP_DOWN) {
195    select_all_on_gesture_tap_ = true;
196    return;
197  }
198  if (select_all_on_gesture_tap_ && event->type() == ui::ET_GESTURE_TAP)
199    SelectAll(false);
200  select_all_on_gesture_tap_ = false;
201}
202
203void OmniboxViewViews::GetAccessibleState(ui::AccessibleViewState* state) {
204  location_bar_view_->GetAccessibleState(state);
205  state->role = ui::AccessibilityTypes::ROLE_TEXT;
206}
207
208void OmniboxViewViews::OnBoundsChanged(const gfx::Rect& previous_bounds) {
209  if (popup_view_->IsOpen())
210    popup_view_->UpdatePopupAppearance();
211}
212
213bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) {
214  select_all_on_mouse_release_ =
215      (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
216      (!HasFocus() || (model()->focus_state() == OMNIBOX_FOCUS_INVISIBLE));
217  // Restore caret visibility whenever the user clicks in the omnibox in a way
218  // that would give it focus.  We must handle this case separately here because
219  // if the omnibox currently has invisible focus, the mouse event won't trigger
220  // either SetFocus() or OmniboxEditModel::OnSetFocus().
221  if (select_all_on_mouse_release_)
222    model()->SetCaretVisibility(true);
223  return views::Textfield::OnMousePressed(event);
224}
225
226bool OmniboxViewViews::OnMouseDragged(const ui::MouseEvent& event) {
227  select_all_on_mouse_release_ = false;
228  return views::Textfield::OnMouseDragged(event);
229}
230
231void OmniboxViewViews::OnMouseReleased(const ui::MouseEvent& event) {
232  views::Textfield::OnMouseReleased(event);
233  if ((event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
234      select_all_on_mouse_release_) {
235    // Select all in the reverse direction so as not to scroll the caret
236    // into view and shift the contents jarringly.
237    SelectAll(true);
238  }
239  select_all_on_mouse_release_ = false;
240}
241
242bool OmniboxViewViews::OnKeyPressed(const ui::KeyEvent& event) {
243  // Skip processing of [Alt]+<num-pad digit> Unicode alt key codes.
244  // Otherwise, if num-lock is off, the events are handled as [Up], [Down], etc.
245  if (event.IsUnicodeKeyCode())
246    return views::Textfield::OnKeyPressed(event);
247
248  switch (event.key_code()) {
249    case ui::VKEY_RETURN:
250      model()->AcceptInput(event.IsAltDown() ? NEW_FOREGROUND_TAB : CURRENT_TAB,
251                           false);
252      return true;
253    case ui::VKEY_ESCAPE:
254      return model()->OnEscapeKeyPressed();
255    case ui::VKEY_CONTROL:
256      model()->OnControlKeyChanged(true);
257      break;
258    case ui::VKEY_DELETE:
259      if (event.IsShiftDown() && model()->popup_model()->IsOpen())
260        model()->popup_model()->TryDeletingCurrentItem();
261      break;
262    case ui::VKEY_UP:
263      model()->OnUpOrDownKeyPressed(-1);
264      return true;
265    case ui::VKEY_DOWN:
266      model()->OnUpOrDownKeyPressed(1);
267      return true;
268    case ui::VKEY_PRIOR:
269      if (event.IsControlDown() || event.IsAltDown() ||
270          event.IsShiftDown()) {
271        return false;
272      }
273      model()->OnUpOrDownKeyPressed(-1 * model()->result().size());
274      return true;
275    case ui::VKEY_NEXT:
276      if (event.IsControlDown() || event.IsAltDown() ||
277          event.IsShiftDown()) {
278        return false;
279      }
280      model()->OnUpOrDownKeyPressed(model()->result().size());
281      return true;
282    case ui::VKEY_V:
283      if (event.IsControlDown() && !read_only()) {
284        OnBeforePossibleChange();
285        OnPaste();
286        OnAfterPossibleChange();
287        return true;
288      }
289      break;
290    default:
291      break;
292  }
293
294  bool handled = views::Textfield::OnKeyPressed(event);
295#if !defined(OS_WIN) || defined(USE_AURA)
296  // TODO(msw): Avoid this complexity, consolidate cross-platform behavior.
297  handled |= SkipDefaultKeyEventProcessing(event);
298#endif
299  return handled;
300}
301
302bool OmniboxViewViews::OnKeyReleased(const ui::KeyEvent& event) {
303  // The omnibox contents may change while the control key is pressed.
304  if (event.key_code() == ui::VKEY_CONTROL)
305    model()->OnControlKeyChanged(false);
306  return views::Textfield::OnKeyReleased(event);
307}
308
309bool OmniboxViewViews::SkipDefaultKeyEventProcessing(
310    const ui::KeyEvent& event) {
311  // Handle keyword hint tab-to-search and tabbing through dropdown results.
312  // This must run before acclerator handling invokes a focus change on tab.
313  if (views::FocusManager::IsTabTraversalKeyEvent(event)) {
314    if (model()->is_keyword_hint() && !event.IsShiftDown()) {
315      model()->AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_TAB);
316      return true;
317    }
318    if (model()->popup_model()->IsOpen()) {
319      if (event.IsShiftDown() &&
320          model()->popup_model()->selected_line_state() ==
321              OmniboxPopupModel::KEYWORD) {
322        model()->ClearKeyword(text());
323      } else {
324        model()->OnUpOrDownKeyPressed(event.IsShiftDown() ? -1 : 1);
325      }
326      return true;
327    }
328  }
329
330  return Textfield::SkipDefaultKeyEventProcessing(event);
331}
332
333void OmniboxViewViews::OnFocus() {
334  views::Textfield::OnFocus();
335  // TODO(oshima): Get control key state.
336  model()->OnSetFocus(false);
337  // Don't call controller()->OnSetFocus, this view has already acquired focus.
338
339  // Restore a valid saved selection on tab-to-focus.
340  if (saved_temporary_selection_.IsValid() && !select_all_on_mouse_release_)
341    SelectRange(saved_temporary_selection_);
342}
343
344void OmniboxViewViews::OnBlur() {
345  // Save the selection to restore on tab-to-focus.
346  saved_temporary_selection_ = GetSelectedRange();
347
348  views::Textfield::OnBlur();
349  gfx::NativeView native_view = NULL;
350#if defined(USE_AURA)
351  views::Widget* widget = GetWidget();
352  if (widget) {
353    aura::client::FocusClient* client =
354        aura::client::GetFocusClient(widget->GetNativeView());
355    if (client)
356      native_view = client->GetFocusedWindow();
357  }
358#endif
359  model()->OnWillKillFocus(native_view);
360  // Close the popup.
361  CloseOmniboxPopup();
362  // Tell the model to reset itself.
363  model()->OnKillFocus();
364  controller()->OnKillFocus();
365
366  // Make sure the beginning of the text is visible.
367  SelectRange(ui::Range(0));
368}
369
370////////////////////////////////////////////////////////////////////////////////
371// OmniboxViewViews, OmniboxView implementation:
372
373void OmniboxViewViews::SaveStateToTab(content::WebContents* tab) {
374  DCHECK(tab);
375
376  // We don't want to keep the IME status, so force quit the current
377  // session here.  It may affect the selection status, so order is
378  // also important.
379  if (IsIMEComposing()) {
380    GetTextInputClient()->ConfirmCompositionText();
381    GetInputMethod()->CancelComposition(this);
382  }
383
384  // NOTE: GetStateForTabSwitch may affect GetSelection, so order is important.
385  OmniboxEditModel::State state = model()->GetStateForTabSwitch();
386  const gfx::SelectionModel selection = GetSelectionModel();
387  tab->SetUserData(OmniboxState::kKey, new OmniboxState(state, selection));
388}
389
390void OmniboxViewViews::Update(const content::WebContents* contents) {
391  // NOTE: We're getting the URL text here from the ToolbarModel.
392  bool visibly_changed_permanent_text =
393      model()->UpdatePermanentText(toolbar_model()->GetText(true));
394  ToolbarModel::SecurityLevel security_level =
395        toolbar_model()->GetSecurityLevel();
396  bool changed_security_level = (security_level != security_level_);
397  security_level_ = security_level;
398
399  // TODO(msw|oshima): Copied from GTK, determine correct Win/CrOS behavior.
400  if (contents) {
401    RevertAll();
402    const OmniboxState* state = static_cast<OmniboxState*>(
403        contents->GetUserData(&OmniboxState::kKey));
404    if (state) {
405      // Restore the saved state and selection.
406      model()->RestoreState(state->model_state);
407      SelectSelectionModel(state->selection_model);
408      // TODO(oshima): Consider saving/restoring edit history.
409      ClearEditHistory();
410    }
411  } else if (visibly_changed_permanent_text) {
412    RevertAll();
413  } else if (changed_security_level) {
414    EmphasizeURLComponents();
415  }
416}
417
418string16 OmniboxViewViews::GetText() const {
419  // TODO(oshima): IME support
420  return text();
421}
422
423void OmniboxViewViews::SetWindowTextAndCaretPos(const string16& text,
424                                                size_t caret_pos,
425                                                bool update_popup,
426                                                bool notify_text_changed) {
427  const ui::Range range(caret_pos, caret_pos);
428  SetTextAndSelectedRange(text, range);
429
430  if (update_popup)
431    UpdatePopup();
432
433  if (notify_text_changed)
434    TextChanged();
435}
436
437void OmniboxViewViews::SetForcedQuery() {
438  const string16 current_text(text());
439  const size_t start = current_text.find_first_not_of(kWhitespaceUTF16);
440  if (start == string16::npos || (current_text[start] != '?'))
441    SetUserText(ASCIIToUTF16("?"));
442  else
443    SelectRange(ui::Range(current_text.size(), start + 1));
444}
445
446bool OmniboxViewViews::IsSelectAll() const {
447  // TODO(oshima): IME support.
448  return text() == GetSelectedText();
449}
450
451bool OmniboxViewViews::DeleteAtEndPressed() {
452  return delete_at_end_pressed_;
453}
454
455void OmniboxViewViews::GetSelectionBounds(string16::size_type* start,
456                                          string16::size_type* end) const {
457  const ui::Range range = GetSelectedRange();
458  *start = static_cast<size_t>(range.start());
459  *end = static_cast<size_t>(range.end());
460}
461
462void OmniboxViewViews::SelectAll(bool reversed) {
463  views::Textfield::SelectAll(reversed);
464}
465
466void OmniboxViewViews::UpdatePopup() {
467  model()->SetInputInProgress(true);
468  if (ime_candidate_window_open_)
469    return;
470  if (!model()->has_focus())
471    return;
472
473  // Prevent inline autocomplete when the caret isn't at the end of the text,
474  // and during IME composition editing.
475  const ui::Range sel = GetSelectedRange();
476  model()->StartAutocomplete(
477      !sel.is_empty(),
478      sel.GetMax() < text().length() || IsIMEComposing());
479}
480
481void OmniboxViewViews::SetFocus() {
482  RequestFocus();
483  // Restore caret visibility if focus is explicitly requested. This is
484  // necessary because if we already have invisible focus, the RequestFocus()
485  // call above will short-circuit, preventing us from reaching
486  // OmniboxEditModel::OnSetFocus(), which handles restoring visibility when the
487  // omnibox regains focus after losing focus.
488  model()->SetCaretVisibility(true);
489}
490
491void OmniboxViewViews::ApplyCaretVisibility() {
492  SetCursorEnabled(model()->is_caret_visible());
493}
494
495void OmniboxViewViews::OnTemporaryTextMaybeChanged(
496    const string16& display_text,
497    bool save_original_selection,
498    bool notify_text_changed) {
499  if (save_original_selection)
500    saved_temporary_selection_ = GetSelectedRange();
501
502  SetWindowTextAndCaretPos(display_text, display_text.length(), false,
503                           notify_text_changed);
504}
505
506bool OmniboxViewViews::OnInlineAutocompleteTextMaybeChanged(
507    const string16& display_text,
508    size_t user_text_length) {
509  if (display_text == text())
510    return false;
511  ui::Range range(display_text.size(), user_text_length);
512  SetTextAndSelectedRange(display_text, range);
513  TextChanged();
514  return true;
515}
516
517void OmniboxViewViews::OnRevertTemporaryText() {
518  SelectRange(saved_temporary_selection_);
519  // We got here because the user hit the Escape key. We explicitly don't call
520  // TextChanged(), since calling it breaks Instant-Extended, and isn't needed
521  // otherwise (in regular non-Instant or Instant-but-not-Extended modes).
522  //
523  // Why it breaks Instant-Extended: Instant handles the Escape key separately
524  // (cf: OmniboxEditModel::RevertTemporaryText). Calling TextChanged() makes
525  // the page think the user additionally typed some text, causing it to update
526  // its suggestions dropdown with new suggestions, which is wrong.
527  //
528  // Why it isn't needed: OmniboxPopupModel::ResetToDefaultMatch() has already
529  // been called by now; it would've called TextChanged() if it was 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 string16 new_text = text();
542  const ui::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::SetInstantSuggestion(const string16& input) {
585#if defined(OS_WIN) || defined(USE_AURA)
586  location_bar_view_->SetInstantSuggestion(input);
587#endif
588}
589
590string16 OmniboxViewViews::GetInstantSuggestion() const {
591#if defined(OS_WIN) || defined(USE_AURA)
592  return location_bar_view_->GetInstantSuggestion();
593#else
594  return string16();
595#endif
596}
597
598int OmniboxViewViews::TextWidth() const {
599  return native_wrapper_->GetWidthNeededForText();
600}
601
602bool OmniboxViewViews::IsImeComposing() const {
603  return false;
604}
605
606int OmniboxViewViews::GetMaxEditWidth(int entry_width) const {
607  return entry_width;
608}
609
610views::View* OmniboxViewViews::AddToView(views::View* parent) {
611  parent->AddChildView(this);
612  return this;
613}
614
615int OmniboxViewViews::OnPerformDrop(const ui::DropTargetEvent& event) {
616  NOTIMPLEMENTED();
617  return ui::DragDropTypes::DRAG_NONE;
618}
619
620////////////////////////////////////////////////////////////////////////////////
621// OmniboxViewViews, views::TextfieldController implementation:
622
623void OmniboxViewViews::ContentsChanged(views::Textfield* sender,
624                                       const string16& new_contents) {
625}
626
627bool OmniboxViewViews::HandleKeyEvent(views::Textfield* textfield,
628                                      const ui::KeyEvent& event) {
629  delete_at_end_pressed_ = false;
630
631  if (event.key_code() == ui::VKEY_BACK) {
632    // No extra handling is needed in keyword search mode, if there is a
633    // non-empty selection, or if the cursor is not leading the text.
634    if (model()->is_keyword_hint() || model()->keyword().empty() ||
635        HasSelection() || GetCursorPosition() != 0)
636      return false;
637    model()->ClearKeyword(text());
638    return true;
639  }
640
641  if (event.key_code() == ui::VKEY_DELETE && !event.IsAltDown()) {
642    delete_at_end_pressed_ =
643        (!HasSelection() && GetCursorPosition() == text().length());
644  }
645
646  // Handle the right-arrow key for LTR text and the left-arrow key for RTL text
647  // if there is an Instant suggestion (gray text) that needs to be committed.
648  if (GetCursorPosition() == text().length()) {
649    base::i18n::TextDirection direction = GetTextDirection();
650    if ((direction == base::i18n::LEFT_TO_RIGHT &&
651         event.key_code() == ui::VKEY_RIGHT) ||
652        (direction == base::i18n::RIGHT_TO_LEFT &&
653         event.key_code() == ui::VKEY_LEFT)) {
654      return model()->CommitSuggestedText(true);
655    }
656  }
657
658  return false;
659}
660
661void OmniboxViewViews::OnBeforeUserAction(views::Textfield* sender) {
662  OnBeforePossibleChange();
663}
664
665void OmniboxViewViews::OnAfterUserAction(views::Textfield* sender) {
666  OnAfterPossibleChange();
667}
668
669void OmniboxViewViews::OnAfterCutOrCopy() {
670  ui::Clipboard* cb = ui::Clipboard::GetForCurrentThread();
671  string16 selected_text;
672  cb->ReadText(ui::Clipboard::BUFFER_STANDARD, &selected_text);
673  GURL url;
674  bool write_url;
675  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(),
676                             &selected_text, &url, &write_url);
677  if (write_url) {
678    DoCopyURL(url, selected_text, model()->profile());
679  } else {
680    ui::ScopedClipboardWriter scoped_clipboard_writer(
681        ui::Clipboard::GetForCurrentThread(),
682        ui::Clipboard::BUFFER_STANDARD,
683        content::BrowserContext::GetMarkerForOffTheRecordContext(
684            model()->profile()));
685    scoped_clipboard_writer.WriteText(selected_text);
686  }
687}
688
689void OmniboxViewViews::OnGetDragOperationsForTextfield(int* drag_operations) {
690  string16 selected_text = GetSelectedText();
691  GURL url;
692  bool write_url;
693  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(),
694                             &selected_text, &url, &write_url);
695  if (write_url)
696    *drag_operations |= ui::DragDropTypes::DRAG_LINK;
697}
698
699void OmniboxViewViews::OnWriteDragData(ui::OSExchangeData* data) {
700  string16 selected_text = GetSelectedText();
701  GURL url;
702  bool write_url;
703  bool is_all_selected = IsSelectAll();
704  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), is_all_selected,
705                             &selected_text, &url, &write_url);
706  data->SetString(selected_text);
707  if (write_url) {
708    gfx::Image favicon;
709    string16 title = selected_text;
710    if (is_all_selected)
711      model()->GetDataForURLExport(&url, &title, &favicon);
712    button_drag_utils::SetURLAndDragImage(url, title, favicon.AsImageSkia(),
713                                          data, GetWidget());
714    data->SetURL(url, title);
715  }
716}
717
718void OmniboxViewViews::AppendDropFormats(
719    int* formats,
720    std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
721  *formats = *formats | ui::OSExchangeData::URL;
722}
723
724int OmniboxViewViews::OnDrop(const ui::OSExchangeData& data) {
725  if (HasTextBeingDragged())
726    return ui::DragDropTypes::DRAG_NONE;
727
728  if (data.HasURL()) {
729    GURL url;
730    string16 title;
731    if (data.GetURLAndTitle(&url, &title)) {
732      string16 text(StripJavascriptSchemas(UTF8ToUTF16(url.spec())));
733      if (model()->CanPasteAndGo(text)) {
734        model()->PasteAndGo(text);
735        return ui::DragDropTypes::DRAG_COPY;
736      }
737    }
738  } else if (data.HasString()) {
739    string16 text;
740    if (data.GetString(&text)) {
741      string16 collapsed_text(CollapseWhitespace(text, true));
742      if (model()->CanPasteAndGo(collapsed_text))
743        model()->PasteAndGo(collapsed_text);
744      return ui::DragDropTypes::DRAG_COPY;
745    }
746  }
747
748  return ui::DragDropTypes::DRAG_NONE;
749}
750
751void OmniboxViewViews::UpdateContextMenu(ui::SimpleMenuModel* menu_contents) {
752  // Minor note: We use IDC_ for command id here while the underlying textfield
753  // is using IDS_ for all its command ids. This is because views cannot depend
754  // on IDC_ for now.
755  menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES,
756      IDS_EDIT_SEARCH_ENGINES);
757
758  if (chrome::IsQueryExtractionEnabled(model()->profile())) {
759    int copy_position = menu_contents->GetIndexOfCommandId(IDS_APP_COPY);
760    DCHECK(copy_position >= 0);
761    menu_contents->InsertItemWithStringIdAt(
762        copy_position + 1, IDC_COPY_URL, IDS_COPY_URL);
763  }
764
765  int paste_position = menu_contents->GetIndexOfCommandId(IDS_APP_PASTE);
766  DCHECK(paste_position >= 0);
767  menu_contents->InsertItemWithStringIdAt(
768      paste_position + 1, IDS_PASTE_AND_GO, IDS_PASTE_AND_GO);
769}
770
771bool OmniboxViewViews::IsCommandIdEnabled(int command_id) const {
772  if (command_id == IDS_PASTE_AND_GO)
773    return model()->CanPasteAndGo(GetClipboardText());
774  if (command_id == IDC_COPY_URL) {
775    return !model()->user_input_in_progress() &&
776        (toolbar_model()->GetSearchTermsType() !=
777            ToolbarModel::NO_SEARCH_TERMS);
778  }
779  return command_updater()->IsCommandEnabled(command_id);
780}
781
782bool OmniboxViewViews::IsItemForCommandIdDynamic(int command_id) const {
783  return command_id == IDS_PASTE_AND_GO;
784}
785
786string16 OmniboxViewViews::GetLabelForCommandId(int command_id) const {
787  if (command_id == IDS_PASTE_AND_GO) {
788    return l10n_util::GetStringUTF16(
789        model()->IsPasteAndSearch(GetClipboardText()) ?
790        IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO);
791  }
792
793  return string16();
794}
795
796bool OmniboxViewViews::HandlesCommand(int command_id) const {
797  // See description in OnPaste() for details on why we need to handle paste.
798  return command_id == IDS_APP_PASTE;
799}
800
801void OmniboxViewViews::ExecuteCommand(int command_id, int event_flags) {
802  switch (command_id) {
803    // These commands don't invoke the popup via OnBefore/AfterPossibleChange().
804    case IDS_PASTE_AND_GO:
805      model()->PasteAndGo(GetClipboardText());
806      break;
807    case IDC_EDIT_SEARCH_ENGINES:
808      command_updater()->ExecuteCommand(command_id);
809      break;
810    case IDC_COPY_URL:
811      CopyURL();
812      break;
813
814    case IDS_APP_PASTE:
815      OnBeforePossibleChange();
816      OnPaste();
817      OnAfterPossibleChange();
818      break;
819    default:
820      OnBeforePossibleChange();
821      command_updater()->ExecuteCommand(command_id);
822      OnAfterPossibleChange();
823      break;
824  }
825}
826
827#if defined(OS_CHROMEOS)
828void OmniboxViewViews::CandidateWindowOpened(
829      chromeos::input_method::InputMethodManager* manager) {
830  ime_candidate_window_open_ = true;
831  CloseOmniboxPopup();
832}
833
834void OmniboxViewViews::CandidateWindowClosed(
835      chromeos::input_method::InputMethodManager* manager) {
836  ime_candidate_window_open_ = false;
837  UpdatePopup();
838}
839#endif
840
841////////////////////////////////////////////////////////////////////////////////
842// OmniboxViewViews, private:
843
844int OmniboxViewViews::GetOmniboxTextLength() const {
845  // TODO(oshima): Support instant, IME.
846  return static_cast<int>(text().length());
847}
848
849void OmniboxViewViews::EmphasizeURLComponents() {
850  // See whether the contents are a URL with a non-empty host portion, which we
851  // should emphasize.  To check for a URL, rather than using the type returned
852  // by Parse(), ask the model, which will check the desired page transition for
853  // this input.  This can tell us whether an UNKNOWN input string is going to
854  // be treated as a search or a navigation, and is the same method the Paste
855  // And Go system uses.
856  url_parse::Component scheme, host;
857  AutocompleteInput::ParseForEmphasizeComponents(text(), &scheme, &host);
858  bool grey_out_url = text().substr(scheme.begin, scheme.len) ==
859      UTF8ToUTF16(extensions::kExtensionScheme);
860  bool grey_base = model()->CurrentTextIsURL() &&
861      (host.is_nonempty() || grey_out_url);
862  SetColor(location_bar_view_->GetColor(
863      security_level_,
864      grey_base ? LocationBarView::DEEMPHASIZED_TEXT : LocationBarView::TEXT));
865  if (grey_base && !grey_out_url) {
866    ApplyColor(
867        location_bar_view_->GetColor(security_level_, LocationBarView::TEXT),
868        ui::Range(host.begin, host.end()));
869  }
870
871  // Emphasize the scheme for security UI display purposes (if necessary).
872  // Note that we check CurrentTextIsURL() because if we're replacing search
873  // URLs with search terms, we may have a non-URL even when the user is not
874  // editing; and in some cases, e.g. for "site:foo.com" searches, the parser
875  // may have incorrectly identified a qualifier as a scheme.
876  SetStyle(gfx::DIAGONAL_STRIKE, false);
877  if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() &&
878      scheme.is_nonempty() && (security_level_ != ToolbarModel::NONE)) {
879    SkColor security_color = location_bar_view_->GetColor(
880        security_level_, LocationBarView::SECURITY_TEXT);
881    const bool strike = (security_level_ == ToolbarModel::SECURITY_ERROR);
882    const ui::Range scheme_range(scheme.begin, scheme.end());
883    ApplyColor(security_color, scheme_range);
884    ApplyStyle(gfx::DIAGONAL_STRIKE, strike, scheme_range);
885  }
886}
887
888void OmniboxViewViews::SetTextAndSelectedRange(const string16& text,
889                                               const ui::Range& range) {
890  SetText(text);
891  SelectRange(range);
892}
893
894string16 OmniboxViewViews::GetSelectedText() const {
895  // TODO(oshima): Support instant, IME.
896  return views::Textfield::GetSelectedText();
897}
898
899void OmniboxViewViews::CopyURL() {
900  DoCopyURL(toolbar_model()->GetURL(),
901            toolbar_model()->GetText(false),
902            model()->profile());
903}
904
905void OmniboxViewViews::OnPaste() {
906  // Replace the selection if we have something to paste.
907  const string16 text(GetClipboardText());
908  if (!text.empty()) {
909    // Record this paste, so we can do different behavior.
910    model()->on_paste();
911    // Force a Paste operation to trigger the text_changed code in
912    // OnAfterPossibleChange(), even if identical contents are pasted.
913    text_before_change_.clear();
914    ReplaceSelection(text);
915  }
916}
917