Add card details and legal message to Android save credit card infobar.

chrome/browser/ui/autofill/save_card_bubble_controller_impl.cc

 // Copyright 2015 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/save_card_bubble_controller_impl.h"
 
 #include <stddef.h>
 
-#include "base/i18n/message_formatter.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/autofill/save_card_bubble_view.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/location_bar/location_bar.h"
 #include "components/autofill/core/browser/autofill_metrics.h"
 #include "components/autofill/core/common/autofill_constants.h"
 #include "content/public/browser/navigation_details.h"
 #include "grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(autofill::SaveCardBubbleControllerImpl);
 
 namespace autofill {
 
 namespace {
 
 // Number of seconds the bubble and icon will survive navigations, starting
 // from when the bubble is shown.
 // TODO(bondd): Share with ManagePasswordsUIController.
 const int kSurviveNavigationSeconds = 5;
 
-// Replace "{0}", "{1}", ... in |template_icu| with corresponding strings
-// from |display_texts|. Sets |out_message| to the resulting string, with
-// start position of each replacement in |out_offsets|.
-// Return false on failure. If false is returned then contents of |out_message|
-// and |out_offsets| are undefined.
-bool ReplaceTemplatePlaceholders(
-    const base::string16& template_icu,
-    const std::vector<base::string16>& display_texts,
-    base::string16* out_message,
-    std::vector<size_t>* out_offsets) {
-  // Escape "$" -> "$$" for ReplaceStringPlaceholders().
-  //
-  // Edge cases:
-  // 1. Two or more consecutive $ characters will be incorrectly expanded
-  //    ("$$" -> "$$$$", which ReplaceStringPlaceholders() then turns into
-  //    "$$$").
-  //
-  // 2. "${" will cause false to be returned. "${0}" will expand to "$${0}".
-  //    FormatWithNumberedArgs() turns it into "$$$1", which
-  //    ReplaceStringPlaceholders() then turns into "$$1" without doing the
-  //    parameter replacement. This causes false to be returned because each
-  //    parameter is not used exactly once.
-  //
-  // Both of these cases are noted in the header file, and are unlikely to
-  // occur in any actual legal message.
-  base::string16 template_icu_escaped;
-  base::ReplaceChars(template_icu, base::ASCIIToUTF16("$"),
-                     base::ASCIIToUTF16("$$"), &template_icu_escaped);
-
-  // Replace "{0}" -> "$1", "{1}" -> "$2", ... to prepare |template_dollars|
-  // for ReplaceStringPlaceholders().
-  base::string16 template_dollars =
-      base::i18n::MessageFormatter::FormatWithNumberedArgs(
-          template_icu_escaped, "$1", "$2", "$3", "$4", "$5", "$6", "$7");
-
-  // FormatWithNumberedArgs() returns an empty string on failure.
-  if (template_dollars.empty() && !template_icu.empty())
-    return false;
-
-  // Replace "$1", "$2", ... with the display text of each parameter.
-  *out_message = base::ReplaceStringPlaceholders(template_dollars,
-                                                 display_texts, out_offsets);
-
-  // Each parameter must be used exactly once. If a parameter is unused or
-  // used more than once then it can't be determined which |offsets| entry
-  // corresponds to which parameter.
-  return out_offsets->size() == display_texts.size();
-}
-
-// Parses |line| and sets |out|.
-// Returns false on failure. |out| is not modified if false is returned.
-bool ParseLegalMessageLine(const base::DictionaryValue& line,
-                           SaveCardBubbleController::LegalMessageLine* out) {
-  SaveCardBubbleController::LegalMessageLine result;
-
-  // |display_texts| elements are the strings that will be substituted for
-  // "{0}", "{1}", etc. in the template string.
-  std::vector<base::string16> display_texts;
-
-  // Process all the template parameters.
-  const base::ListValue* template_parameters = nullptr;
-  if (line.GetList("template_parameter", &template_parameters)) {
-    display_texts.resize(template_parameters->GetSize());
-    result.links.resize(template_parameters->GetSize());
-
-    for (size_t parameter_index = 0;
-         parameter_index < template_parameters->GetSize(); ++parameter_index) {
-      const base::DictionaryValue* single_parameter;
-      std::string url;
-      if (!template_parameters->GetDictionary(parameter_index,
-                                              &single_parameter) ||
-          !single_parameter->GetString("display_text",
-                                       &display_texts[parameter_index]) ||
-          !single_parameter->GetString("url", &url)) {
-        return false;
-      }
-      result.links[parameter_index].url = GURL(url);
-    }
-  }
-
-  // Read the template string. It's a small subset of the ICU message format
-  // syntax.
-  base::string16 template_icu;
-  if (!line.GetString("template", &template_icu))
-    return false;
-
-  // Replace the placeholders in |template_icu| with strings from
-  // |display_texts|, and store the start position of each replacement in
-  // |offsets|.
-  std::vector<size_t> offsets;
-  if (!ReplaceTemplatePlaceholders(template_icu, display_texts, &result.text,
-                                   &offsets)) {
-    return false;
-  }
-
-  // Fill in range values for all links.
-  for (size_t offset_index = 0; offset_index < offsets.size(); ++offset_index) {
-    size_t range_start = offsets[offset_index];
-    result.links[offset_index].range = gfx::Range(
-        range_start, range_start + display_texts[offset_index].size());
-  }
-
-  *out = result;
-  return true;
-}
-
 }  // namespace
 
 SaveCardBubbleControllerImpl::SaveCardBubbleControllerImpl(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       save_card_bubble_view_(nullptr) {
   DCHECK(web_contents);
 }
 
 SaveCardBubbleControllerImpl::~SaveCardBubbleControllerImpl() {
@@ skipping 15 matching lines @@
 
 void SaveCardBubbleControllerImpl::ShowBubbleForUpload(
     const base::Closure& save_card_callback,
     scoped_ptr<base::DictionaryValue> legal_message) {
   is_uploading_ = true;
   is_reshow_ = false;
   AutofillMetrics::LogSaveCardPromptMetric(
       AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, is_uploading_,
       is_reshow_);
 
-  const base::ListValue* lines = nullptr;
-  if (legal_message->GetList("line", &lines)) {
-    // Process all lines of the legal message. See comment in header file for
-    // example of valid |legal_message| data.
-    legal_message_lines_.resize(lines->GetSize());
-    for (size_t i = 0; i < lines->GetSize(); ++i) {
-      const base::DictionaryValue* single_line;
-      if (!lines->GetDictionary(i, &single_line) ||
-          !ParseLegalMessageLine(*single_line, &legal_message_lines_[i])) {
-        lines = nullptr;
-        break;
-      }
-    }
-  }
-
-  if (!lines) {
+  if (!LegalMessageLine::Parse(*legal_message, &legal_message_lines_)) {
     AutofillMetrics::LogSaveCardPromptMetric(
         AutofillMetrics::SAVE_CARD_PROMPT_END_INVALID_LEGAL_MESSAGE,
         is_uploading_, is_reshow_);
-
-    legal_message_lines_.clear();
     return;
   }
 
   save_card_callback_ = save_card_callback;
   ShowBubble();
 }
 
 void SaveCardBubbleControllerImpl::ReshowBubble() {
   is_reshow_ = true;
   AutofillMetrics::LogSaveCardPromptMetric(
@@ skipping 50 matching lines @@
   AutofillMetrics::LogSaveCardPromptMetric(
       AutofillMetrics::SAVE_CARD_PROMPT_DISMISS_CLICK_LEGAL_MESSAGE,
       is_uploading_, is_reshow_);
 }
 
 void SaveCardBubbleControllerImpl::OnBubbleClosed() {
   save_card_bubble_view_ = nullptr;
   UpdateIcon();
 }
 
-const SaveCardBubbleController::LegalMessageLines&
-SaveCardBubbleControllerImpl::GetLegalMessageLines() const {
+const LegalMessageLines& SaveCardBubbleControllerImpl::GetLegalMessageLines()
+    const {
   return legal_message_lines_;
 }
 
 base::TimeDelta SaveCardBubbleControllerImpl::Elapsed() const {
   return timer_->Elapsed();
 }
 
 void SaveCardBubbleControllerImpl::DidNavigateMainFrame(
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
@@ skipping 57 matching lines @@
   location_bar->UpdateSaveCreditCardIcon();
 }
 
 void SaveCardBubbleControllerImpl::OpenUrl(const GURL& url) {
   web_contents()->OpenURL(
       content::OpenURLParams(url, content::Referrer(), NEW_FOREGROUND_TAB,
                              ui::PAGE_TRANSITION_LINK, false));
 }
 
 }  // namespace autofill