Add an accessibility API for events raised outside of the web content.

chrome/common/accessibility_events.cc

+// Copyright (c) 2010 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/extensions/extension_accessibility_api_constants.h"
+#include "chrome/browser/profile.h"
+#include "chrome/common/accessibility_events.h"
+#include "chrome/common/notification_service.h"
+#include "chrome/common/notification_type.h"
+
+namespace keys = extension_accessibility_api_constants;
+
+void SendAccessibilityNotification(
+    NotificationType type, AccessibilityControlInfo* info) {
+  Profile *profile = info->profile();
+  if (profile->ShouldSendAccessibilityEvents()) {
+    NotificationService::current()->Notify(
+        type,
+        Source<Profile>(profile),
+        Details<AccessibilityControlInfo>(info));
+  }
+}
+
+void AccessibilityControlInfo::SerializeToDict(DictionaryValue *dict) const {
+  dict->SetString(keys::kNameKey, name_);
+}
+
+void AccessibilityWindowInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeWindow);
+}
+
+void AccessibilityButtonInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeButton);
+}
+
+void AccessibilityLinkInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeLink);
+}
+
+void AccessibilityRadioButtonInfo::SerializeToDict(
+    DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeRadioButton);
+  dict->SetBoolean(keys::kCheckedKey, checked_);
+  dict->SetInteger(keys::kItemIndexKey, item_index_);
+  dict->SetInteger(keys::kItemCountKey, item_count_);
+}
+
+void AccessibilityCheckboxInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeCheckbox);
+  dict->SetBoolean(keys::kCheckedKey, checked_);
+}
+
+void AccessibilityTabInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeTab);
+  dict->SetInteger(keys::kItemIndexKey, tab_index_);
+  dict->SetInteger(keys::kItemCountKey, tab_count_);
+}
+
+void AccessibilityComboBoxInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeComboBox);
+  dict->SetString(keys::kValueKey, value_);
+  dict->SetInteger(keys::kItemIndexKey, item_index_);
+  dict->SetInteger(keys::kItemCountKey, item_count_);
+}
+
+void AccessibilityTextBoxInfo::SerializeToDict(DictionaryValue *dict) const {
+  AccessibilityControlInfo::SerializeToDict(dict);
+  dict->SetString(keys::kTypeKey, keys::kTypeTextBox);
+  dict->SetString(keys::kValueKey, value_);
+  dict->SetBoolean(keys::kPasswordKey, password_);
+  dict->SetInteger(keys::kSelectionStartKey, selection_start_);
+  dict->SetInteger(keys::kSelectionEndKey, selection_end_);
+}