MacViews/a11y: Allow accessibility clients to update the selected text.

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 394 matching lines @@
   if (event.IsShiftDown() &&
       (model()->popup_model()->selected_line_state() ==
           OmniboxPopupModel::KEYWORD))
     model()->ClearKeyword();
   else
     model()->OnUpOrDownKeyPressed(event.IsShiftDown() ? -1 : 1);
 
   return true;
 }
 
-void OmniboxViewViews::AccessibilitySetValue(const base::string16& new_value) {
-  SetUserText(new_value, true);
+void OmniboxViewViews::AccessibilitySetValue(const base::string16& new_value,
+                                             bool clear_first) {
+  if (read_only())
+    return;
+  if (clear_first) {
+    SetUserText(new_value, true);
+  } else {
+    model()->SetInputInProgress(true);
+    if (saved_selection_for_focus_change_.IsValid()) {
+      SelectRange(saved_selection_for_focus_change_);
+      saved_selection_for_focus_change_ = gfx::Range::InvalidRange();
+    }
+    InsertOrReplaceText(new_value);
+    TextChanged();
+  }
 }
 
 void OmniboxViewViews::UpdateSecurityLevel() {
   security_level_ = controller()->GetToolbarModel()->GetSecurityLevel(false);
 }
 
 void OmniboxViewViews::SetWindowTextAndCaretPos(const base::string16& text,
                                                 size_t caret_pos,
                                                 bool update_popup,
                                                 bool notify_text_changed) {
@@ skipping 303 matching lines @@
   return Textfield::SkipDefaultKeyEventProcessing(event);
 }
 
 void OmniboxViewViews::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_TEXT_FIELD;
   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_LOCATION);
   state->value = GetText();
 
   base::string16::size_type entry_start;
   base::string16::size_type entry_end;
-  GetSelectionBounds(&entry_start, &entry_end);
+  // Selection information is saved separately when focus is moved off the
+  // current window - use that when there is no focus and it's valid.
+  if (saved_selection_for_focus_change_.IsValid()) {
+    entry_start = saved_selection_for_focus_change_.start();
+    entry_end = saved_selection_for_focus_change_.end();
+  } else {
+    GetSelectionBounds(&entry_start, &entry_end);
+  }
   state->selection_start = entry_start;
   state->selection_end = entry_end;
 
   if (popup_window_mode_) {
     state->AddStateFlag(ui::AX_STATE_READ_ONLY);
   } else {
     state->AddStateFlag(ui::AX_STATE_EDITABLE);
     state->set_value_callback =
         base::Bind(&OmniboxViewViews::AccessibilitySetValue,
                    weak_ptr_factory_.GetWeakPtr());
@@ skipping 321 matching lines @@
       paste_position + 1, IDS_PASTE_AND_GO, IDS_PASTE_AND_GO);
 
   menu_contents->AddSeparator(ui::NORMAL_SEPARATOR);
 
   // Minor note: We use IDC_ for command id here while the underlying textfield
   // is using IDS_ for all its command ids. This is because views cannot depend
   // on IDC_ for now.
   menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES,
       IDS_EDIT_SEARCH_ENGINES);
 }