chrome/browser/ui/webui/suggestions_internals/suggestions_internals_ui_handler.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/webui/suggestions_internals/suggestions_internals_ui_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/values.h"
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "chrome/browser/ui/webui/ntp/suggestions_combiner.h"
  11 #include "content/public/browser/web_ui.h"
  12
  13 namespace {
  14
  15 const size_t kSuggestionsCount = 100;
  16
  17 }  // namespace
  18
  19 SuggestionsInternalsUIHandler::SuggestionsInternalsUIHandler(Profile* profile)
  20     : profile_(profile) {}
  21
  22 SuggestionsInternalsUIHandler::~SuggestionsInternalsUIHandler() {}
  23
  24 void SuggestionsInternalsUIHandler::OnSuggestionsReady() {
  25   if (suggestions_combiner_->GetPageValues()) {
  26     web_ui()->CallJavascriptFunction("suggestionsInternals.setSuggestions",
  27                                      *suggestions_combiner_->GetPageValues());
  28   }
  29 }
  30
  31 void SuggestionsInternalsUIHandler::RegisterMessages() {
  32   // Setup the suggestions sources.
  33   suggestions_combiner_.reset(new SuggestionsCombiner(this, profile_));
  34   suggestions_combiner_->SetSuggestionsCount(kSuggestionsCount);
  35   suggestions_combiner_->EnableDebug(true);
  36
  37   web_ui()->RegisterMessageCallback("getSuggestions",
  38       base::Bind(&SuggestionsInternalsUIHandler::HandleGetSuggestions,
  39                  base::Unretained(this)));
  40 }
  41
  42 void SuggestionsInternalsUIHandler::HandleGetSuggestions(
  43     const base::ListValue* one_element_input_string) {
  44   suggestions_combiner_->FetchItems(Profile::FromWebUI(web_ui()));
  45 }