Add password manager autocomplete suggestion when a username element in clicked.

components/autofill/content/renderer/password_autofill_agent.cc

 // Copyright 2013 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 "components/autofill/content/renderer/password_autofill_agent.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 299 matching lines @@
 
   if (!element.isText() || !IsElementAutocompletable(element) ||
       !IsElementAutocompletable(password)) {
     return false;
   }
 
   // Don't inline autocomplete if the user is deleting, that would be confusing.
   // But refresh the popup.  Note, since this is ours, return true to signal
   // no further processing is required.
   if (iter->second.backspace_pressed_last) {
-    ShowSuggestionPopup(iter->second.fill_data, username);
+    ShowSuggestionPopup(iter->second.fill_data, username, false);
     return true;
   }
 
   blink::WebString name = element.nameForAutofill();
   if (name.isEmpty())
     return false;  // If the field has no name, then we won't have values.
 
   // Don't attempt to autofill with values that are too large.
   if (element.value().length() > kMaximumTextSizeForAutocomplete)
     return false;
@@ skipping 38 matching lines @@
 }
 
 bool PasswordAutofillAgent::DidClearAutofillSelection(
     const blink::WebNode& node) {
   blink::WebInputElement input;
   PasswordInfo password;
   return FindLoginInfo(node, &input, &password);
 }
 
 bool PasswordAutofillAgent::ShowSuggestions(
-    const blink::WebInputElement& element) {
+    const blink::WebInputElement& element,
+    bool show_all) {
   LoginToPasswordInfoMap::const_iterator iter =
       login_to_password_info_.find(element);
   if (iter == login_to_password_info_.end())
     return false;
 
   // If autocomplete='off' is set on the form elements, no suggestion dialog
   // should be shown. However, return |true| to indicate that this is a known
   // password form and that the request to show suggestions has been handled (as
   // a no-op).
   if (!IsElementAutocompletable(element) ||
       !IsElementAutocompletable(iter->second.password_field))
     return true;
 
-  return ShowSuggestionPopup(iter->second.fill_data, element);
+  return ShowSuggestionPopup(iter->second.fill_data, element, show_all);
 }
 
 bool PasswordAutofillAgent::OriginCanAccessPasswordManager(
     const blink::WebSecurityOrigin& origin) {
   return origin.canAccessPasswordManager();
 }
 
 void PasswordAutofillAgent::OnDynamicFormsSeen(blink::WebFrame* frame) {
   SendPasswordForms(frame, false /* only_visible */);
 }
@@ skipping 242 matching lines @@
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // PasswordAutofillAgent, private:
 
 void PasswordAutofillAgent::GetSuggestions(
     const PasswordFormFillData& fill_data,
     const base::string16& input,
     std::vector<base::string16>* suggestions,
-    std::vector<base::string16>* realms) {
-  if (StartsWith(fill_data.basic_data.fields[0].value, input, false)) {
+    std::vector<base::string16>* realms,
+    bool show_all) {
+  if (show_all ||
+      StartsWith(fill_data.basic_data.fields[0].value, input, false)) {
     suggestions->push_back(fill_data.basic_data.fields[0].value);
     realms->push_back(base::UTF8ToUTF16(fill_data.preferred_realm));
   }
 
   for (PasswordFormFillData::LoginCollection::const_iterator iter =
            fill_data.additional_logins.begin();
        iter != fill_data.additional_logins.end(); ++iter) {
-    if (StartsWith(iter->first, input, false)) {
+    if (show_all || StartsWith(iter->first, input, false)) {
       suggestions->push_back(iter->first);
       realms->push_back(base::UTF8ToUTF16(iter->second.realm));
     }
   }
 
   for (PasswordFormFillData::UsernamesCollection::const_iterator iter =
            fill_data.other_possible_usernames.begin();
        iter != fill_data.other_possible_usernames.end(); ++iter) {
     for (size_t i = 0; i < iter->second.size(); ++i) {
-      if (StartsWith(iter->second[i], input, false)) {
+      if (show_all || StartsWith(iter->second[i], input, false)) {
         usernames_usage_ = OTHER_POSSIBLE_USERNAME_SHOWN;
         suggestions->push_back(iter->second[i]);
         realms->push_back(base::UTF8ToUTF16(iter->first.realm));
       }
     }
   }
 }
 
 bool PasswordAutofillAgent::ShowSuggestionPopup(
     const PasswordFormFillData& fill_data,
-    const blink::WebInputElement& user_input) {
+    const blink::WebInputElement& user_input,
+    bool show_all) {
   blink::WebFrame* frame = user_input.document().frame();
   if (!frame)
     return false;
 
   blink::WebView* webview = frame->view();
   if (!webview)
     return false;
 
   std::vector<base::string16> suggestions;
   std::vector<base::string16> realms;
-  GetSuggestions(fill_data, user_input.value(), &suggestions, &realms);
+  GetSuggestions(
+      fill_data, user_input.value(), &suggestions, &realms, show_all);
   DCHECK_EQ(suggestions.size(), realms.size());
 
   FormData form;
   FormFieldData field;
   FindFormAndFieldForInputElement(
       user_input, &form, &field, REQUIRE_NONE);
 
   blink::WebInputElement selected_element = user_input;
   gfx::Rect bounding_box(selected_element.boundsInViewportSpace());
 
@@ skipping 146 matching lines @@
   blink::WebInputElement password = password_input;
 
   // Don't inline autocomplete if the caret is not at the end.
   // TODO(jcivelli): is there a better way to test the caret location?
   if (username.selectionStart() != username.selectionEnd() ||
       username.selectionEnd() != static_cast<int>(username.value().length())) {
     return;
   }
 
   // Show the popup with the list of available usernames.
-  ShowSuggestionPopup(fill_data, username);
-
+  ShowSuggestionPopup(fill_data, username, false);
 
 #if !defined(OS_ANDROID)
   // Fill the user and password field with the most relevant match. Android
   // only fills in the fields after the user clicks on the suggestion popup.
   FillUserNameAndPassword(&username, &password, fill_data,
                           false /* exact_username_match */,
                           true /* set_selection */);
 #endif
 }
 
@@ skipping 29 matching lines @@
   LoginToPasswordInfoMap::iterator iter = login_to_password_info_.find(input);
   if (iter == login_to_password_info_.end())
     return false;
 
   *found_input = input;
   *found_password = iter->second;
   return true;
 }
 
 }  // namespace autofill