omnibox_view_views.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
6
7#include "base/command_line.h"
8#include "base/logging.h"
9#include "base/strings/string_util.h"
10#include "base/strings/utf_string_conversions.h"
11#include "chrome/app/chrome_command_ids.h"
12#include "chrome/browser/autocomplete/autocomplete_input.h"
13#include "chrome/browser/autocomplete/autocomplete_match.h"
14#include "chrome/browser/bookmarks/bookmark_node_data.h"
15#include "chrome/browser/command_updater.h"
16#include "chrome/browser/search/search.h"
17#include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
18#include "chrome/browser/ui/omnibox/omnibox_edit_model.h"
19#include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
20#include "chrome/browser/ui/view_ids.h"
21#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
22#include "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h"
23#include "chrome/common/chrome_switches.h"
24#include "content/public/browser/web_contents.h"
25#include "extensions/common/constants.h"
26#include "grit/app_locale_settings.h"
27#include "grit/generated_resources.h"
28#include "grit/ui_strings.h"
29#include "net/base/escape.h"
30#include "third_party/skia/include/core/SkColor.h"
31#include "ui/base/accessibility/accessible_view_state.h"
32#include "ui/base/clipboard/scoped_clipboard_writer.h"
33#include "ui/base/dragdrop/drag_drop_types.h"
34#include "ui/base/dragdrop/os_exchange_data.h"
35#include "ui/base/events/event.h"
36#include "ui/base/ime/text_input_client.h"
37#include "ui/base/ime/text_input_type.h"
38#include "ui/base/l10n/l10n_util.h"
39#include "ui/base/models/simple_menu_model.h"
40#include "ui/base/resource/resource_bundle.h"
41#include "ui/gfx/canvas.h"
42#include "ui/gfx/font.h"
43#include "ui/gfx/selection_model.h"
44#include "ui/views/border.h"
45#include "ui/views/button_drag_utils.h"
46#include "ui/views/controls/textfield/textfield.h"
47#include "ui/views/ime/input_method.h"
48#include "ui/views/layout/fill_layout.h"
49#include "ui/views/views_delegate.h"
50#include "ui/views/widget/widget.h"
51#include "url/gurl.h"
52
53#if defined(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// This will write |url| and |text| to the clipboard as a well-formed URL.
85void DoCopyURL(const GURL& url, const string16& text) {
86  BookmarkNodeData data;
87  data.ReadFromTuple(url, text);
88  data.WriteToClipboard();
89}
90
91}  // namespace
92
93// static
94const char OmniboxViewViews::kViewClassName[] = "OmniboxViewViews";
95
96OmniboxViewViews::OmniboxViewViews(OmniboxEditController* controller,
97                                   ToolbarModel* toolbar_model,
98                                   Profile* profile,
99                                   CommandUpdater* command_updater,
100                                   bool popup_window_mode,
101                                   LocationBarView* location_bar,
102                                   const gfx::Font& font,
103                                   int font_y_offset)
104    : OmniboxView(profile, controller, toolbar_model, command_updater),
105      popup_window_mode_(popup_window_mode),
106      security_level_(ToolbarModel::NONE),
107      ime_composing_before_change_(false),
108      delete_at_end_pressed_(false),
109      location_bar_view_(location_bar),
110      ime_candidate_window_open_(false),
111      select_all_on_mouse_release_(false),
112      select_all_on_gesture_tap_(false) {
113  RemoveBorder();
114  set_id(VIEW_ID_OMNIBOX);
115  SetFont(font);
116  SetVerticalMargins(font_y_offset, 0);
117  SetVerticalAlignment(gfx::ALIGN_TOP);
118}
119
120OmniboxViewViews::~OmniboxViewViews() {
121#if defined(OS_CHROMEOS)
122  chromeos::input_method::InputMethodManager::Get()->
123      RemoveCandidateWindowObserver(this);
124#endif
125
126  // Explicitly teardown members which have a reference to us.  Just to be safe
127  // we want them to be destroyed before destroying any other internal state.
128  popup_view_.reset();
129}
130
131////////////////////////////////////////////////////////////////////////////////
132// OmniboxViewViews public:
133
134void OmniboxViewViews::Init() {
135  SetController(this);
136  SetTextInputType(ui::TEXT_INPUT_TYPE_URL);
137  SetBackgroundColor(location_bar_view_->GetColor(
138      ToolbarModel::NONE, LocationBarView::BACKGROUND));
139
140  if (popup_window_mode_)
141    SetReadOnly(true);
142
143  // Initialize the popup view using the same font.
144  popup_view_.reset(OmniboxPopupContentsView::Create(
145      font(), this, model(), location_bar_view_));
146
147#if defined(OS_CHROMEOS)
148  chromeos::input_method::InputMethodManager::Get()->
149      AddCandidateWindowObserver(this);
150#endif
151}
152
153////////////////////////////////////////////////////////////////////////////////
154// OmniboxViewViews, views::Textfield implementation:
155
156const char* OmniboxViewViews::GetClassName() const {
157  return kViewClassName;
158}
159
160void OmniboxViewViews::OnGestureEvent(ui::GestureEvent* event) {
161  views::Textfield::OnGestureEvent(event);
162  if (!HasFocus() && event->type() == ui::ET_GESTURE_TAP_DOWN) {
163    select_all_on_gesture_tap_ = true;
164    return;
165  }
166  if (select_all_on_gesture_tap_ && event->type() == ui::ET_GESTURE_TAP)
167    SelectAll(false);
168  select_all_on_gesture_tap_ = false;
169}
170
171void OmniboxViewViews::GetAccessibleState(ui::AccessibleViewState* state) {
172  location_bar_view_->GetAccessibleState(state);
173  state->role = ui::AccessibilityTypes::ROLE_TEXT;
174}
175
176bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) {
177  select_all_on_mouse_release_ =
178      (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
179      (!HasFocus() || (model()->focus_state() == OMNIBOX_FOCUS_INVISIBLE));
180  // Restore caret visibility whenever the user clicks in the omnibox in a way
181  // that would give it focus.  We must handle this case separately here because
182  // if the omnibox currently has invisible focus, the mouse event won't trigger
183  // either SetFocus() or OmniboxEditModel::OnSetFocus().
184  if (select_all_on_mouse_release_)
185    model()->SetCaretVisibility(true);
186  return views::Textfield::OnMousePressed(event);
187}
188
189bool OmniboxViewViews::OnMouseDragged(const ui::MouseEvent& event) {
190  select_all_on_mouse_release_ = false;
191  return views::Textfield::OnMouseDragged(event);
192}
193
194void OmniboxViewViews::OnMouseReleased(const ui::MouseEvent& event) {
195  views::Textfield::OnMouseReleased(event);
196  if ((event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
197      select_all_on_mouse_release_) {
198    // Select all in the reverse direction so as not to scroll the caret
199    // into view and shift the contents jarringly.
200    SelectAll(true);
201  }
202  select_all_on_mouse_release_ = false;
203}
204
205bool OmniboxViewViews::OnKeyPressed(const ui::KeyEvent& event) {
206  // Skip processing of [Alt]+<num-pad digit> Unicode alt key codes.
207  // Otherwise, if num-lock is off, the events are handled as [Up], [Down], etc.
208  if (event.IsUnicodeKeyCode())
209    return views::Textfield::OnKeyPressed(event);
210
211  switch (event.key_code()) {
212    case ui::VKEY_RETURN:
213      model()->AcceptInput(event.IsAltDown() ? NEW_FOREGROUND_TAB : CURRENT_TAB,
214                           false);
215      return true;
216    case ui::VKEY_ESCAPE:
217      return model()->OnEscapeKeyPressed();
218    case ui::VKEY_CONTROL:
219      model()->OnControlKeyChanged(true);
220      break;
221    case ui::VKEY_DELETE:
222      if (event.IsShiftDown() && model()->popup_model()->IsOpen())
223        model()->popup_model()->TryDeletingCurrentItem();
224      break;
225    case ui::VKEY_UP:
226      model()->OnUpOrDownKeyPressed(-1);
227      return true;
228    case ui::VKEY_DOWN:
229      model()->OnUpOrDownKeyPressed(1);
230      return true;
231    case ui::VKEY_PRIOR:
232      if (event.IsControlDown() || event.IsAltDown() ||
233          event.IsShiftDown()) {
234        return false;
235      }
236      model()->OnUpOrDownKeyPressed(-1 * model()->result().size());
237      return true;
238    case ui::VKEY_NEXT:
239      if (event.IsControlDown() || event.IsAltDown() ||
240          event.IsShiftDown()) {
241        return false;
242      }
243      model()->OnUpOrDownKeyPressed(model()->result().size());
244      return true;
245    case ui::VKEY_V:
246      if (event.IsControlDown() && !read_only()) {
247        OnBeforePossibleChange();
248        OnPaste();
249        OnAfterPossibleChange();
250        return true;
251      }
252      break;
253    default:
254      break;
255  }
256
257  bool handled = views::Textfield::OnKeyPressed(event);
258#if !defined(OS_WIN) || defined(USE_AURA)
259  // TODO(msw): Avoid this complexity, consolidate cross-platform behavior.
260  handled |= SkipDefaultKeyEventProcessing(event);
261#endif
262  return handled;
263}
264
265bool OmniboxViewViews::OnKeyReleased(const ui::KeyEvent& event) {
266  // The omnibox contents may change while the control key is pressed.
267  if (event.key_code() == ui::VKEY_CONTROL)
268    model()->OnControlKeyChanged(false);
269  return views::Textfield::OnKeyReleased(event);
270}
271
272bool OmniboxViewViews::SkipDefaultKeyEventProcessing(
273    const ui::KeyEvent& event) {
274  // Handle keyword hint tab-to-search and tabbing through dropdown results.
275  // This must run before acclerator handling invokes a focus change on tab.
276  if (views::FocusManager::IsTabTraversalKeyEvent(event)) {
277    if (model()->is_keyword_hint() && !event.IsShiftDown()) {
278      model()->AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_TAB);
279      return true;
280    }
281    if (model()->popup_model()->IsOpen()) {
282      if (event.IsShiftDown() &&
283          model()->popup_model()->selected_line_state() ==
284              OmniboxPopupModel::KEYWORD) {
285        model()->ClearKeyword(text());
286      } else {
287        model()->OnUpOrDownKeyPressed(event.IsShiftDown() ? -1 : 1);
288      }
289      return true;
290    }
291  }
292
293  return Textfield::SkipDefaultKeyEventProcessing(event);
294}
295
296void OmniboxViewViews::OnFocus() {
297  views::Textfield::OnFocus();
298  // TODO(oshima): Get control key state.
299  model()->OnSetFocus(false);
300  // Don't call controller()->OnSetFocus, this view has already acquired focus.
301
302  // Restore a valid saved selection on tab-to-focus.
303  if (location_bar_view_->GetWebContents() && !select_all_on_mouse_release_) {
304    const OmniboxState* state = static_cast<OmniboxState*>(
305        location_bar_view_->GetWebContents()->GetUserData(&OmniboxState::kKey));
306    if (state)
307      SelectSelectionModel(state->selection_model);
308  }
309}
310
311void OmniboxViewViews::OnBlur() {
312  // Save the selection to restore on tab-to-focus.
313  if (location_bar_view_->GetWebContents())
314    SaveStateToTab(location_bar_view_->GetWebContents());
315
316  views::Textfield::OnBlur();
317  gfx::NativeView native_view = NULL;
318#if defined(USE_AURA)
319  views::Widget* widget = GetWidget();
320  if (widget) {
321    aura::client::FocusClient* client =
322        aura::client::GetFocusClient(widget->GetNativeView());
323    if (client)
324      native_view = client->GetFocusedWindow();
325  }
326#endif
327  model()->OnWillKillFocus(native_view);
328  // Close the popup.
329  CloseOmniboxPopup();
330  // Tell the model to reset itself.
331  model()->OnKillFocus();
332  controller()->OnKillFocus();
333
334  // Make sure the beginning of the text is visible.
335  SelectRange(ui::Range(0));
336}
337
338////////////////////////////////////////////////////////////////////////////////
339// OmniboxViewViews, OmniboxView implementation:
340
341void OmniboxViewViews::SaveStateToTab(content::WebContents* tab) {
342  DCHECK(tab);
343
344  // We don't want to keep the IME status, so force quit the current
345  // session here.  It may affect the selection status, so order is
346  // also important.
347  if (IsIMEComposing()) {
348    GetTextInputClient()->ConfirmCompositionText();
349    GetInputMethod()->CancelComposition(this);
350  }
351
352  // NOTE: GetStateForTabSwitch may affect GetSelection, so order is important.
353  OmniboxEditModel::State state = model()->GetStateForTabSwitch();
354  const gfx::SelectionModel selection = GetSelectionModel();
355  tab->SetUserData(OmniboxState::kKey, new OmniboxState(state, selection));
356}
357
358void OmniboxViewViews::Update(const content::WebContents* contents) {
359  // NOTE: We're getting the URL text here from the ToolbarModel.
360  bool visibly_changed_permanent_text =
361      model()->UpdatePermanentText(toolbar_model()->GetText(true));
362  ToolbarModel::SecurityLevel security_level =
363        toolbar_model()->GetSecurityLevel(false);
364  bool changed_security_level = (security_level != security_level_);
365  security_level_ = security_level;
366
367  if (contents) {
368    RevertAll();
369    const OmniboxState* state = static_cast<OmniboxState*>(
370        contents->GetUserData(&OmniboxState::kKey));
371    if (state) {
372      // Restore the saved state and selection.
373      model()->RestoreState(state->model_state);
374      SelectSelectionModel(state->selection_model);
375      // TODO(msw|oshima): Consider saving/restoring edit history.
376      ClearEditHistory();
377    }
378  } else if (visibly_changed_permanent_text) {
379    // Not switching tabs, just updating the permanent text.  (In the case where
380    // we _were_ switching tabs, the RevertAll() above already drew the new
381    // permanent text.)
382
383    // Tweak: if the user had all the text selected, select all the new text.
384    // This makes one particular case better: the user clicks in the box to
385    // change it right before the permanent URL is changed.  Since the new URL
386    // is still fully selected, the user's typing will replace the edit contents
387    // as they'd intended.
388    const ui::Range range(GetSelectedRange());
389    const bool was_select_all = (range.length() == text().length());
390
391    RevertAll();
392
393    // Only select all when we have focus.  If we don't have focus, selecting
394    // all is unnecessary since the selection will change on regaining focus,
395    // and can in fact cause artifacts, e.g. if the user is on the NTP and
396    // clicks a link to navigate, causing |was_select_all| to be vacuously true
397    // for the empty omnibox, and we then select all here, leading to the
398    // trailing portion of a long URL being scrolled into view.  We could try
399    // and address cases like this, but it seems better to just not muck with
400    // things when the omnibox isn't focused to begin with.
401    if (was_select_all && model()->has_focus())
402      SelectAll(range.is_reversed());
403  } else if (changed_security_level) {
404    EmphasizeURLComponents();
405  }
406}
407
408string16 OmniboxViewViews::GetText() const {
409  // TODO(oshima): IME support
410  return text();
411}
412
413void OmniboxViewViews::SetWindowTextAndCaretPos(const string16& text,
414                                                size_t caret_pos,
415                                                bool update_popup,
416                                                bool notify_text_changed) {
417  const ui::Range range(caret_pos, caret_pos);
418  SetTextAndSelectedRange(text, range);
419
420  if (update_popup)
421    UpdatePopup();
422
423  if (notify_text_changed)
424    TextChanged();
425}
426
427void OmniboxViewViews::SetForcedQuery() {
428  const string16 current_text(text());
429  const size_t start = current_text.find_first_not_of(kWhitespaceUTF16);
430  if (start == string16::npos || (current_text[start] != '?'))
431    SetUserText(ASCIIToUTF16("?"));
432  else
433    SelectRange(ui::Range(current_text.size(), start + 1));
434}
435
436bool OmniboxViewViews::IsSelectAll() const {
437  // TODO(oshima): IME support.
438  return text() == GetSelectedText();
439}
440
441bool OmniboxViewViews::DeleteAtEndPressed() {
442  return delete_at_end_pressed_;
443}
444
445void OmniboxViewViews::GetSelectionBounds(string16::size_type* start,
446                                          string16::size_type* end) const {
447  const ui::Range range = GetSelectedRange();
448  *start = static_cast<size_t>(range.start());
449  *end = static_cast<size_t>(range.end());
450}
451
452void OmniboxViewViews::SelectAll(bool reversed) {
453  views::Textfield::SelectAll(reversed);
454}
455
456void OmniboxViewViews::UpdatePopup() {
457  model()->SetInputInProgress(true);
458  if (!model()->has_focus())
459    return;
460
461  // Hide the inline autocompletion for IME users.
462  location_bar_view_->SetImeInlineAutocompletion(string16());
463
464  // Prevent inline autocomplete when the caret isn't at the end of the text,
465  // and during IME composition editing unless
466  // |kEnableOmniboxAutoCompletionForIme| is enabled.
467  const ui::Range sel = GetSelectedRange();
468  model()->StartAutocomplete(
469      !sel.is_empty(),
470      sel.GetMax() < text().length() ||
471      (IsIMEComposing() && !CommandLine::ForCurrentProcess()->HasSwitch(
472          switches::kEnableOmniboxAutoCompletionForIme)));
473}
474
475void OmniboxViewViews::SetFocus() {
476  RequestFocus();
477  // Restore caret visibility if focus is explicitly requested. This is
478  // necessary because if we already have invisible focus, the RequestFocus()
479  // call above will short-circuit, preventing us from reaching
480  // OmniboxEditModel::OnSetFocus(), which handles restoring visibility when the
481  // omnibox regains focus after losing focus.
482  model()->SetCaretVisibility(true);
483}
484
485void OmniboxViewViews::ApplyCaretVisibility() {
486  SetCursorEnabled(model()->is_caret_visible());
487}
488
489void OmniboxViewViews::OnTemporaryTextMaybeChanged(
490    const string16& display_text,
491    bool save_original_selection,
492    bool notify_text_changed) {
493  if (save_original_selection)
494    saved_temporary_selection_ = GetSelectedRange();
495
496  SetWindowTextAndCaretPos(display_text, display_text.length(), false,
497                           notify_text_changed);
498}
499
500bool OmniboxViewViews::OnInlineAutocompleteTextMaybeChanged(
501    const string16& display_text,
502    size_t user_text_length) {
503  if (display_text == text())
504    return false;
505
506  if (IsIMEComposing()) {
507    location_bar_view_->SetImeInlineAutocompletion(
508        display_text.substr(user_text_length));
509  } else {
510    ui::Range range(display_text.size(), user_text_length);
511    SetTextAndSelectedRange(display_text, range);
512  }
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 OmniboxPopupModel::ResetToDefaultMatch() has already
521  // been called by now, and it would've called TextChanged() if it was
522  // warranted.
523}
524
525void OmniboxViewViews::OnBeforePossibleChange() {
526  // Record our state.
527  text_before_change_ = text();
528  sel_before_change_ = GetSelectedRange();
529  ime_composing_before_change_ = IsIMEComposing();
530}
531
532bool OmniboxViewViews::OnAfterPossibleChange() {
533  // See if the text or selection have changed since OnBeforePossibleChange().
534  const string16 new_text = text();
535  const ui::Range new_sel = GetSelectedRange();
536  const bool text_changed = (new_text != text_before_change_) ||
537      (ime_composing_before_change_ != IsIMEComposing());
538  const bool selection_differs =
539      !((sel_before_change_.is_empty() && new_sel.is_empty()) ||
540        sel_before_change_.EqualsIgnoringDirection(new_sel));
541
542  // When the user has deleted text, we don't allow inline autocomplete.  Make
543  // sure to not flag cases like selecting part of the text and then pasting
544  // (or typing) the prefix of that selection.  (We detect these by making
545  // sure the caret, which should be after any insertion, hasn't moved
546  // forward of the old selection start.)
547  const bool just_deleted_text =
548      (text_before_change_.length() > new_text.length()) &&
549      (new_sel.start() <= sel_before_change_.GetMin());
550
551  const bool something_changed = model()->OnAfterPossibleChange(
552      text_before_change_, new_text, new_sel.start(), new_sel.end(),
553      selection_differs, text_changed, just_deleted_text, !IsIMEComposing());
554
555  // If only selection was changed, we don't need to call model()'s
556  // OnChanged() method, which is called in TextChanged().
557  // But we still need to call EmphasizeURLComponents() to make sure the text
558  // attributes are updated correctly.
559  if (something_changed && text_changed)
560    TextChanged();
561  else if (selection_differs)
562    EmphasizeURLComponents();
563  else if (delete_at_end_pressed_)
564    model()->OnChanged();
565
566  return something_changed;
567}
568
569gfx::NativeView OmniboxViewViews::GetNativeView() const {
570  return GetWidget()->GetNativeView();
571}
572
573gfx::NativeView OmniboxViewViews::GetRelativeWindowForPopup() const {
574  return GetWidget()->GetTopLevelWidget()->GetNativeView();
575}
576
577void OmniboxViewViews::SetGrayTextAutocompletion(const string16& input) {
578#if defined(OS_WIN) || defined(USE_AURA)
579  location_bar_view_->SetGrayTextAutocompletion(input);
580#endif
581}
582
583string16 OmniboxViewViews::GetGrayTextAutocompletion() const {
584#if defined(OS_WIN) || defined(USE_AURA)
585  return location_bar_view_->GetGrayTextAutocompletion();
586#else
587  return string16();
588#endif
589}
590
591int OmniboxViewViews::TextWidth() const {
592  return native_wrapper_->GetWidthNeededForText();
593}
594
595bool OmniboxViewViews::IsImeComposing() const {
596  return IsIMEComposing();
597}
598
599bool OmniboxViewViews::IsImeShowingPopup() const {
600#if defined(OS_CHROMEOS)
601  return ime_candidate_window_open_;
602#else
603  // We need const_cast here because there is no const version of
604  // View::GetInputMethod().  It's because Widget::GetInputMethod(), called from
605  // View::GetInputMethod(), creates a new views::InputMethod at the first-time
606  // call.  Except for this point, none of this method, View::GetInputMethod()
607  // or Widget::GetInputMethod() modifies the state of their instances.
608  // TODO(yukishiino): Make {View,Widget}::GetInputMethod() const and make the
609  // underlying input method object mutable.
610  const views::InputMethod* input_method =
611      const_cast<OmniboxViewViews*>(this)->GetInputMethod();
612  return input_method && input_method->IsCandidatePopupOpen();
613#endif
614}
615
616int OmniboxViewViews::GetMaxEditWidth(int entry_width) const {
617  return entry_width;
618}
619
620views::View* OmniboxViewViews::AddToView(views::View* parent) {
621  parent->AddChildView(this);
622  return this;
623}
624
625int OmniboxViewViews::OnPerformDrop(const ui::DropTargetEvent& event) {
626  NOTIMPLEMENTED();
627  return ui::DragDropTypes::DRAG_NONE;
628}
629
630////////////////////////////////////////////////////////////////////////////////
631// OmniboxViewViews, views::TextfieldController implementation:
632
633void OmniboxViewViews::ContentsChanged(views::Textfield* sender,
634                                       const string16& new_contents) {
635}
636
637bool OmniboxViewViews::HandleKeyEvent(views::Textfield* textfield,
638                                      const ui::KeyEvent& event) {
639  delete_at_end_pressed_ = false;
640
641  if (event.key_code() == ui::VKEY_BACK) {
642    // No extra handling is needed in keyword search mode, if there is a
643    // non-empty selection, or if the cursor is not leading the text.
644    if (model()->is_keyword_hint() || model()->keyword().empty() ||
645        HasSelection() || GetCursorPosition() != 0)
646      return false;
647    model()->ClearKeyword(text());
648    return true;
649  }
650
651  if (event.key_code() == ui::VKEY_DELETE && !event.IsAltDown()) {
652    delete_at_end_pressed_ =
653        (!HasSelection() && GetCursorPosition() == text().length());
654  }
655
656  // Handle the right-arrow key for LTR text and the left-arrow key for RTL text
657  // if there is gray text that needs to be committed.
658  if (GetCursorPosition() == text().length()) {
659    base::i18n::TextDirection direction = GetTextDirection();
660    if ((direction == base::i18n::LEFT_TO_RIGHT &&
661         event.key_code() == ui::VKEY_RIGHT) ||
662        (direction == base::i18n::RIGHT_TO_LEFT &&
663         event.key_code() == ui::VKEY_LEFT)) {
664      return model()->CommitSuggestedText();
665    }
666  }
667
668  return false;
669}
670
671void OmniboxViewViews::OnBeforeUserAction(views::Textfield* sender) {
672  OnBeforePossibleChange();
673}
674
675void OmniboxViewViews::OnAfterUserAction(views::Textfield* sender) {
676  OnAfterPossibleChange();
677}
678
679void OmniboxViewViews::OnAfterCutOrCopy() {
680  ui::Clipboard* cb = ui::Clipboard::GetForCurrentThread();
681  string16 selected_text;
682  cb->ReadText(ui::Clipboard::BUFFER_STANDARD, &selected_text);
683  GURL url;
684  bool write_url;
685  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(),
686                             &selected_text, &url, &write_url);
687  if (write_url) {
688    DoCopyURL(url, selected_text);
689  } else {
690    ui::ScopedClipboardWriter scoped_clipboard_writer(
691        ui::Clipboard::GetForCurrentThread(), ui::Clipboard::BUFFER_STANDARD);
692    scoped_clipboard_writer.WriteText(selected_text);
693  }
694}
695
696void OmniboxViewViews::OnGetDragOperationsForTextfield(int* drag_operations) {
697  string16 selected_text = GetSelectedText();
698  GURL url;
699  bool write_url;
700  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), IsSelectAll(),
701                             &selected_text, &url, &write_url);
702  if (write_url)
703    *drag_operations |= ui::DragDropTypes::DRAG_LINK;
704}
705
706void OmniboxViewViews::OnWriteDragData(ui::OSExchangeData* data) {
707  string16 selected_text = GetSelectedText();
708  GURL url;
709  bool write_url;
710  bool is_all_selected = IsSelectAll();
711  model()->AdjustTextForCopy(GetSelectedRange().GetMin(), is_all_selected,
712                             &selected_text, &url, &write_url);
713  data->SetString(selected_text);
714  if (write_url) {
715    gfx::Image favicon;
716    string16 title = selected_text;
717    if (is_all_selected)
718      model()->GetDataForURLExport(&url, &title, &favicon);
719    button_drag_utils::SetURLAndDragImage(url, title, favicon.AsImageSkia(),
720                                          data, GetWidget());
721    data->SetURL(url, title);
722  }
723}
724
725void OmniboxViewViews::AppendDropFormats(
726    int* formats,
727    std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
728  *formats = *formats | ui::OSExchangeData::URL;
729}
730
731int OmniboxViewViews::OnDrop(const ui::OSExchangeData& data) {
732  if (HasTextBeingDragged())
733    return ui::DragDropTypes::DRAG_NONE;
734
735  if (data.HasURL()) {
736    GURL url;
737    string16 title;
738    if (data.GetURLAndTitle(&url, &title)) {
739      string16 text(StripJavascriptSchemas(UTF8ToUTF16(url.spec())));
740      if (model()->CanPasteAndGo(text)) {
741        model()->PasteAndGo(text);
742        return ui::DragDropTypes::DRAG_COPY;
743      }
744    }
745  } else if (data.HasString()) {
746    string16 text;
747    if (data.GetString(&text)) {
748      string16 collapsed_text(CollapseWhitespace(text, true));
749      if (model()->CanPasteAndGo(collapsed_text))
750        model()->PasteAndGo(collapsed_text);
751      return ui::DragDropTypes::DRAG_COPY;
752    }
753  }
754
755  return ui::DragDropTypes::DRAG_NONE;
756}
757
758void OmniboxViewViews::UpdateContextMenu(ui::SimpleMenuModel* menu_contents) {
759  // Minor note: We use IDC_ for command id here while the underlying textfield
760  // is using IDS_ for all its command ids. This is because views cannot depend
761  // on IDC_ for now.
762  menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES,
763      IDS_EDIT_SEARCH_ENGINES);
764
765  if (chrome::IsQueryExtractionEnabled()) {
766    int copy_position = menu_contents->GetIndexOfCommandId(IDS_APP_COPY);
767    DCHECK(copy_position >= 0);
768    menu_contents->InsertItemWithStringIdAt(
769        copy_position + 1, IDC_COPY_URL, IDS_COPY_URL);
770  }
771
772  int paste_position = menu_contents->GetIndexOfCommandId(IDS_APP_PASTE);
773  DCHECK(paste_position >= 0);
774  menu_contents->InsertItemWithStringIdAt(
775      paste_position + 1, IDS_PASTE_AND_GO, IDS_PASTE_AND_GO);
776}
777
778bool OmniboxViewViews::IsCommandIdEnabled(int command_id) const {
779  if (command_id == IDS_PASTE_AND_GO)
780    return model()->CanPasteAndGo(GetClipboardText());
781  if (command_id == IDC_COPY_URL) {
782    return toolbar_model()->WouldReplaceSearchURLWithSearchTerms(false) &&
783      !model()->user_input_in_progress();
784  }
785  return command_updater()->IsCommandEnabled(command_id);
786}
787
788bool OmniboxViewViews::IsItemForCommandIdDynamic(int command_id) const {
789  return command_id == IDS_PASTE_AND_GO;
790}
791
792string16 OmniboxViewViews::GetLabelForCommandId(int command_id) const {
793  if (command_id == IDS_PASTE_AND_GO) {
794    return l10n_util::GetStringUTF16(
795        model()->IsPasteAndSearch(GetClipboardText()) ?
796        IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO);
797  }
798
799  return string16();
800}
801
802bool OmniboxViewViews::HandlesCommand(int command_id) const {
803  // See description in OnPaste() for details on why we need to handle paste.
804  return command_id == IDS_APP_PASTE;
805}
806
807void OmniboxViewViews::ExecuteCommand(int command_id, int event_flags) {
808  switch (command_id) {
809    // These commands don't invoke the popup via OnBefore/AfterPossibleChange().
810    case IDS_PASTE_AND_GO:
811      model()->PasteAndGo(GetClipboardText());
812      break;
813    case IDC_EDIT_SEARCH_ENGINES:
814      command_updater()->ExecuteCommand(command_id);
815      break;
816    case IDC_COPY_URL:
817      CopyURL();
818      break;
819
820    case IDS_APP_PASTE:
821      OnBeforePossibleChange();
822      OnPaste();
823      OnAfterPossibleChange();
824      break;
825    default:
826      OnBeforePossibleChange();
827      command_updater()->ExecuteCommand(command_id);
828      OnAfterPossibleChange();
829      break;
830  }
831}
832
833#if defined(OS_CHROMEOS)
834void OmniboxViewViews::CandidateWindowOpened(
835      chromeos::input_method::InputMethodManager* manager) {
836  ime_candidate_window_open_ = true;
837}
838
839void OmniboxViewViews::CandidateWindowClosed(
840      chromeos::input_method::InputMethodManager* manager) {
841  ime_candidate_window_open_ = false;
842}
843#endif
844
845////////////////////////////////////////////////////////////////////////////////
846// OmniboxViewViews, private:
847
848int OmniboxViewViews::GetOmniboxTextLength() const {
849  // TODO(oshima): Support IME.
850  return static_cast<int>(text().length());
851}
852
853void OmniboxViewViews::EmphasizeURLComponents() {
854  // See whether the contents are a URL with a non-empty host portion, which we
855  // should emphasize.  To check for a URL, rather than using the type returned
856  // by Parse(), ask the model, which will check the desired page transition for
857  // this input.  This can tell us whether an UNKNOWN input string is going to
858  // be treated as a search or a navigation, and is the same method the Paste
859  // And Go system uses.
860  url_parse::Component scheme, host;
861  AutocompleteInput::ParseForEmphasizeComponents(text(), &scheme, &host);
862  bool grey_out_url = text().substr(scheme.begin, scheme.len) ==
863      UTF8ToUTF16(extensions::kExtensionScheme);
864  bool grey_base = model()->CurrentTextIsURL() &&
865      (host.is_nonempty() || grey_out_url);
866  SetColor(location_bar_view_->GetColor(
867      security_level_,
868      grey_base ? LocationBarView::DEEMPHASIZED_TEXT : LocationBarView::TEXT));
869  if (grey_base && !grey_out_url) {
870    ApplyColor(
871        location_bar_view_->GetColor(security_level_, LocationBarView::TEXT),
872        ui::Range(host.begin, host.end()));
873  }
874
875  // Emphasize the scheme for security UI display purposes (if necessary).
876  // Note that we check CurrentTextIsURL() because if we're replacing search
877  // URLs with search terms, we may have a non-URL even when the user is not
878  // editing; and in some cases, e.g. for "site:foo.com" searches, the parser
879  // may have incorrectly identified a qualifier as a scheme.
880  SetStyle(gfx::DIAGONAL_STRIKE, false);
881  if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() &&
882      scheme.is_nonempty() && (security_level_ != ToolbarModel::NONE)) {
883    SkColor security_color = location_bar_view_->GetColor(
884        security_level_, LocationBarView::SECURITY_TEXT);
885    const bool strike = (security_level_ == ToolbarModel::SECURITY_ERROR);
886    const ui::Range scheme_range(scheme.begin, scheme.end());
887    ApplyColor(security_color, scheme_range);
888    ApplyStyle(gfx::DIAGONAL_STRIKE, strike, scheme_range);
889  }
890}
891
892void OmniboxViewViews::SetTextAndSelectedRange(const string16& text,
893                                               const ui::Range& range) {
894  SetText(text);
895  SelectRange(range);
896}
897
898string16 OmniboxViewViews::GetSelectedText() const {
899  // TODO(oshima): Support IME.
900  return views::Textfield::GetSelectedText();
901}
902
903void OmniboxViewViews::CopyURL() {
904  DoCopyURL(toolbar_model()->GetURL(), toolbar_model()->GetText(false));
905}
906
907void OmniboxViewViews::OnPaste() {
908  const string16 text(GetClipboardText());
909  if (!text.empty()) {
910    // Record this paste, so we can do different behavior.
911    model()->on_paste();
912    // Force a Paste operation to trigger the text_changed code in
913    // OnAfterPossibleChange(), even if identical contents are pasted.
914    text_before_change_.clear();
915    InsertOrReplaceText(text);
916  }
917}
918