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      1 // Copyright (c) 2011 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/print_preview_ui.h"
      6 
      7 #include "base/values.h"
      8 #include "chrome/browser/profiles/profile.h"
      9 #include "chrome/browser/ui/webui/print_preview_handler.h"
     10 #include "chrome/browser/ui/webui/print_preview_ui_html_source.h"
     11 #include "content/browser/browser_thread.h"
     12 #include "content/browser/tab_contents/tab_contents.h"
     13 
     14 PrintPreviewUI::PrintPreviewUI(TabContents* contents)
     15     : WebUI(contents),
     16       html_source_(new PrintPreviewUIHTMLSource()) {
     17   // PrintPreviewUI owns |handler|.
     18   PrintPreviewHandler* handler = new PrintPreviewHandler();
     19   AddMessageHandler(handler->Attach(this));
     20 
     21   // Set up the chrome://print/ source.
     22   contents->profile()->GetChromeURLDataManager()->AddDataSource(html_source_);
     23 }
     24 
     25 PrintPreviewUI::~PrintPreviewUI() {
     26 }
     27 
     28 PrintPreviewUIHTMLSource* PrintPreviewUI::html_source() {
     29   return html_source_.get();
     30 }
     31 
     32 void PrintPreviewUI::PreviewDataIsAvailable(int expected_pages_count,
     33                                             const string16& job_title) {
     34   FundamentalValue pages_count(expected_pages_count);
     35   StringValue title(job_title);
     36   CallJavascriptFunction("updatePrintPreview", pages_count, title);
     37 }
     38