Initial Print Preview UI.

chrome/browser/dom_ui/print_preview_ui.cc

+// Copyright (c) 2010 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/dom_ui/print_preview_ui.h"
+
+#include <algorithm>
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "base/message_loop.h"
+#include "base/singleton.h"
+#include "base/string_piece.h"
+#include "base/values.h"
+#include "chrome/browser/chrome_thread.h"
+#include "chrome/browser/dom_ui/dom_ui_theme_source.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/jstemplate_builder.h"
+#include "chrome/common/url_constants.h"
+
+#include "grit/browser_resources.h"
+#include "grit/generated_resources.h"
+#include "grit/theme_resources.h"
+
+namespace {
+
+void SetLocalizedStrings(DictionaryValue* localized_strings) {
+  localized_strings->SetString(std::string("title"),
+      l10n_util::GetStringUTF8(IDS_PRINTPREVIEW_TITLE));
+}
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// PrintPreviewUIHTMLSource
+//
+////////////////////////////////////////////////////////////////////////////////
+
+PrintPreviewUIHTMLSource::PrintPreviewUIHTMLSource()
+    : DataSource(chrome::kChromeUIPrintHost, MessageLoop::current()) {
+}
+
+PrintPreviewUIHTMLSource::~PrintPreviewUIHTMLSource() {}
+
+void PrintPreviewUIHTMLSource::StartDataRequest(const std::string& path,
+                                                bool is_off_the_record,
+                                                int request_id) {
+  DictionaryValue localized_strings;
+  SetLocalizedStrings(&localized_strings);
+  SetFontAndTextDirection(&localized_strings);
+
+  static const base::StringPiece print_html(
+      ResourceBundle::GetSharedInstance().GetRawDataResource(
+          IDR_PRINTPREVIEW_HTML));
+  const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
+      print_html, &localized_strings);
+
+  scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
+  html_bytes->data.resize(full_html.size());
+  std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
+
+  SendResponse(request_id, html_bytes);
+}
+
+std::string PrintPreviewUIHTMLSource::GetMimeType(const std::string&) const {
+  return "text/html";
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// PrintPreviewUI
+//
+////////////////////////////////////////////////////////////////////////////////
+
+PrintPreviewUI::PrintPreviewUI(TabContents* contents) : DOMUI(contents) {
+  // Set up the chrome://print/ source.
+  ChromeThread::PostTask(
+      ChromeThread::IO, FROM_HERE,
+      NewRunnableMethod(
+          Singleton<ChromeURLDataManager>::get(),
+          &ChromeURLDataManager::AddDataSource,
+          make_scoped_refptr(new PrintPreviewUIHTMLSource())));
+}
+
+PrintPreviewUI::~PrintPreviewUI() {
+}