Making credit card number un-editable in Wallet mode.

chrome/browser/ui/autofill/autofill_dialog_controller_impl.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 "chrome/browser/ui/autofill/autofill_dialog_controller_impl.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/base64.h"
@@ skipping 760 matching lines @@
   for (size_t i = 0; i < documents.size(); ++i) {
     size_t link_start = text.find(documents[i]->display_name());
     legal_document_link_ranges_.push_back(ui::Range(
         link_start, link_start + documents[i]->display_name().size()));
   }
   legal_documents_text_ = text;
 }
 
 void AutofillDialogControllerImpl::PrepareDetailInputsForSection(
     DialogSection section) {
-  // Reset all previously entered data and stop editing |section|.
-  DetailInputs* inputs = MutableRequestedFieldsForSection(section);
-  for (size_t i = 0; i < inputs->size(); ++i) {
-    (*inputs)[i].initial_value.clear();
-  }
   section_editing_state_[section] = false;
+  scoped_ptr<DataModelWrapper> wrapper = CreateWrapper(section);
 
   // If the chosen item in |model| yields an empty suggestion text, it is
   // invalid. In this case, show the editing UI with invalid fields highlighted.
   SuggestionsMenuModel* model = SuggestionsMenuModelForSection(section);
   if (IsASuggestionItemKey(model->GetItemKeyForCheckedItem()) &&
       SuggestionTextForSection(section).empty()) {
-    scoped_ptr<DataModelWrapper> wrapper = CreateWrapper(section);
-    wrapper->FillInputs(MutableRequestedFieldsForSection(section));
     section_editing_state_[section] = true;
   }
 
+  // Reset all previously entered data and stop editing |section|.
+  DetailInputs* inputs = MutableRequestedFieldsForSection(section);
+  for (DetailInputs::iterator it = inputs->begin(); it != inputs->end(); ++it) {
+    it->initial_value.clear();
+    it->editable = InputIsEditable(*it, section);
+  }
+
+  if (wrapper && section_editing_state_[section])
+    wrapper->FillInputs(inputs);
+
   if (view_)
     view_->UpdateSection(section);
 }
 
 const DetailInputs& AutofillDialogControllerImpl::RequestedFieldsForSection(
     DialogSection section) const {
   switch (section) {
     case SECTION_EMAIL:
       return requested_email_fields_;
     case SECTION_CC:
@@ skipping 265 matching lines @@
 
   if (section == SECTION_CC_BILLING && IsSubmitPausedOn(wallet::VERIFY_CVV))
     return false;
 
   return true;
 }
 
 void AutofillDialogControllerImpl::EditClickedForSection(
     DialogSection section) {
   scoped_ptr<DataModelWrapper> model = CreateWrapper(section);
-  model->FillInputs(MutableRequestedFieldsForSection(section));
   section_editing_state_[section] = true;
+
+  DetailInputs* inputs = MutableRequestedFieldsForSection(section);
+  for (DetailInputs::iterator it = inputs->begin(); it != inputs->end(); ++it) {
+    it->editable = InputIsEditable(*it, section);
+  }
+  model->FillInputs(inputs);
+
   view_->UpdateSection(section);
 
   GetMetricLogger().LogDialogUiEvent(
       GetDialogType(), DialogSectionToUiEditEvent(section));
 }
 
 void AutofillDialogControllerImpl::EditCancelledForSection(
     DialogSection section) {
   PrepareDetailInputsForSection(section);
 }
@@ skipping 1259 matching lines @@
 }
 
 bool AutofillDialogControllerImpl::IsManuallyEditingAnySection() const {
   for (size_t section = SECTION_MIN; section <= SECTION_MAX; ++section) {
     if (IsManuallyEditingSection(static_cast<DialogSection>(section)))
       return true;
   }
   return false;
 }
 
+bool AutofillDialogControllerImpl::InputIsEditable(
+    const DetailInput& input,
+    DialogSection section) const {
+  if (input.type != CREDIT_CARD_NUMBER || !IsPayingWithWallet())
+    return true;
+
+  std::map<DialogSection, bool>::const_iterator it =
+      section_editing_state_.find(section);
+  if (it != section_editing_state_.end() && it->second)
+    return false;
+
+  return true;
+}
+
 bool AutofillDialogControllerImpl::AllSectionsAreValid() const {
   for (size_t section = SECTION_MIN; section <= SECTION_MAX; ++section) {
     if (!SectionIsValid(static_cast<DialogSection>(section)))
       return false;
   }
   return true;
 }
 
 bool AutofillDialogControllerImpl::SectionIsValid(
     DialogSection section) const {
@@ skipping 473 matching lines @@
         AutofillMetrics::DIALOG_USER_SIGNED_IN_NO_WALLET_NO_AUTOFILL;
   }
 
   // Has Wallet items.
   return has_autofill_profiles ?
       AutofillMetrics::DIALOG_USER_SIGNED_IN_HAS_WALLET_HAS_AUTOFILL :
       AutofillMetrics::DIALOG_USER_SIGNED_IN_HAS_WALLET_NO_AUTOFILL;
 }
 
 }  // namespace autofill