chrome/browser/search/most_visited_iframe_source.cc

   1 // Copyright 2013 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/search/most_visited_iframe_source.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/strings/stringprintf.h"
  11 #include "chrome/browser/search/local_files_ntp_source.h"
  12 #include "chrome/common/chrome_switches.h"
  13 #include "chrome/common/url_constants.h"
  14 #include "content/public/browser/user_metrics.h"
  15 #include "grit/browser_resources.h"
  16 #include "net/base/url_util.h"
  17 #include "url/gurl.h"
  18
  19 namespace {
  20
  21 const char kTitleHTMLPath[] = "/title.html";
  22 const char kTitleCSSPath[] = "/title.css";
  23 const char kTitleJSPath[] = "/title.js";
  24 const char kThumbnailHTMLPath[] = "/thumbnail.html";
  25 const char kThumbnailCSSPath[] = "/thumbnail.css";
  26 const char kThumbnailJSPath[] = "/thumbnail.js";
  27 const char kSingleHTMLPath[] = "/single.html";
  28 const char kSingleCSSPath[] = "/single.css";
  29 const char kSingleJSPath[] = "/single.js";
  30 const char kUtilJSPath[] = "/util.js";
  31 const char kCommonCSSPath[] = "/common.css";
  32
  33 }  // namespace
  34
  35 MostVisitedIframeSource::MostVisitedIframeSource() {
  36 }
  37
  38 MostVisitedIframeSource::~MostVisitedIframeSource() {
  39 }
  40
  41 std::string MostVisitedIframeSource::GetSource() const {
  42   return chrome::kChromeSearchMostVisitedHost;
  43 }
  44
  45 void MostVisitedIframeSource::StartDataRequest(
  46     const std::string& path_and_query,
  47     int render_process_id,
  48     int render_frame_id,
  49     const content::URLDataSource::GotDataCallback& callback) {
  50   GURL url(chrome::kChromeSearchMostVisitedUrl + path_and_query);
  51   std::string path(url.path());
  52
  53 #if !defined(OFFICIAL_BUILD)
  54   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  55   if (command_line->HasSwitch(switches::kLocalNtpReload)) {
  56     std::string rel_path = "most_visited_" + path.substr(1);
  57     if (path == kSingleJSPath) {
  58       std::string origin;
  59       if (!GetOrigin(render_process_id, render_frame_id, &origin)) {
  60         callback.Run(NULL);
  61         return;
  62       }
  63       local_ntp::SendLocalFileResourceWithOrigin(rel_path, origin, callback);
  64     } else {
  65       local_ntp::SendLocalFileResource(rel_path, callback);
  66     }
  67     return;
  68   }
  69 #endif
  70
  71   if (path == kTitleHTMLPath) {
  72     SendResource(IDR_MOST_VISITED_TITLE_HTML, callback);
  73   } else if (path == kTitleCSSPath) {
  74     SendResource(IDR_MOST_VISITED_TITLE_CSS, callback);
  75   } else if (path == kTitleJSPath) {
  76     SendResource(IDR_MOST_VISITED_TITLE_JS, callback);
  77   } else if (path == kThumbnailHTMLPath) {
  78     SendResource(IDR_MOST_VISITED_THUMBNAIL_HTML, callback);
  79   } else if (path == kThumbnailCSSPath) {
  80     SendResource(IDR_MOST_VISITED_THUMBNAIL_CSS, callback);
  81   } else if (path == kThumbnailJSPath) {
  82     SendJSWithOrigin(IDR_MOST_VISITED_THUMBNAIL_JS, render_process_id,
  83                      render_frame_id, callback);
  84   } else if (path == kSingleHTMLPath) {
  85     SendResource(IDR_MOST_VISITED_SINGLE_HTML, callback);
  86   } else if (path == kSingleCSSPath) {
  87     SendResource(IDR_MOST_VISITED_SINGLE_CSS, callback);
  88   } else if (path == kSingleJSPath) {
  89     SendJSWithOrigin(IDR_MOST_VISITED_SINGLE_JS, render_process_id,
  90                      render_frame_id, callback);
  91   } else if (path == kUtilJSPath) {
  92     SendJSWithOrigin(IDR_MOST_VISITED_UTIL_JS, render_process_id,
  93                      render_frame_id, callback);
  94   } else if (path == kCommonCSSPath) {
  95     SendResource(IDR_MOST_VISITED_IFRAME_CSS, callback);
  96   } else {
  97     callback.Run(NULL);
  98   }
  99 }
 100
 101 bool MostVisitedIframeSource::ServesPath(const std::string& path) const {
 102   return path == kTitleHTMLPath || path == kTitleCSSPath ||
 103          path == kTitleJSPath || path == kThumbnailHTMLPath ||
 104          path == kThumbnailCSSPath || path == kThumbnailJSPath ||
 105          path == kSingleHTMLPath || path == kSingleCSSPath ||
 106          path == kSingleJSPath || path == kUtilJSPath || path == kCommonCSSPath;
 107 }