chrome/browser/plugins/plugins_resource_service.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/plugins/plugins_resource_service.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/prefs/pref_registry_simple.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "chrome/browser/plugins/plugin_finder.h"
  11 #include "chrome/common/chrome_switches.h"
  12 #include "chrome/common/pref_names.h"
  13 #include "url/gurl.h"
  14
  15 namespace {
  16
  17 // Delay on first fetch so we don't interfere with startup.
  18 const int kStartResourceFetchDelayMs = 60 * 1000;
  19
  20 // Delay between calls to update the cache 1 day and 2 minutes in testing mode.
  21 const int kCacheUpdateDelayMs = 24 * 60 * 60 * 1000;
  22 const int kTestCacheUpdateDelayMs = 2 * 60 * 1000;
  23
  24 const char kPluginsServerUrl[] =
  25     "https://www.gstatic.com/chrome/config/plugins_2/";
  26
  27 bool IsTest() {
  28   return CommandLine::ForCurrentProcess()->HasSwitch(
  29       switches::kPluginsMetadataServerURL);
  30 }
  31
  32 GURL GetPluginsServerURL() {
  33   std::string filename;
  34 #if defined(OS_WIN)
  35   filename = "plugins_win.json";
  36 #elif defined(OS_LINUX)
  37   filename = "plugins_linux.json";
  38 #elif defined(OS_MACOSX)
  39   filename = "plugins_mac.json";
  40 #else
  41 #error Unknown platform
  42 #endif
  43
  44   std::string test_url =
  45       CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
  46           switches::kPluginsMetadataServerURL);
  47   return GURL(IsTest() ? test_url : kPluginsServerUrl + filename);
  48 }
  49
  50 int GetCacheUpdateDelay() {
  51   return IsTest() ? kTestCacheUpdateDelayMs : kCacheUpdateDelayMs;
  52 }
  53
  54 }  // namespace
  55
  56 PluginsResourceService::PluginsResourceService(PrefService* local_state)
  57     : WebResourceService(local_state,
  58                          GetPluginsServerURL(),
  59                          false,
  60                          prefs::kPluginsResourceCacheUpdate,
  61                          kStartResourceFetchDelayMs,
  62                          GetCacheUpdateDelay()) {
  63 }
  64
  65 void PluginsResourceService::Init() {
  66   const base::DictionaryValue* metadata =
  67       prefs_->GetDictionary(prefs::kPluginsMetadata);
  68   PluginFinder::GetInstance()->ReinitializePlugins(metadata);
  69   StartAfterDelay();
  70 }
  71
  72 PluginsResourceService::~PluginsResourceService() {
  73 }
  74
  75 // static
  76 void PluginsResourceService::RegisterPrefs(PrefRegistrySimple* registry) {
  77   registry->RegisterDictionaryPref(prefs::kPluginsMetadata,
  78                                    new base::DictionaryValue());
  79   registry->RegisterStringPref(prefs::kPluginsResourceCacheUpdate, "0");
  80 }
  81
  82 void PluginsResourceService::Unpack(const base::DictionaryValue& parsed_json) {
  83   prefs_->Set(prefs::kPluginsMetadata, parsed_json);
  84   PluginFinder::GetInstance()->ReinitializePlugins(&parsed_json);
  85 }