chrome/browser/plugins/plugins_resource_service.cc

   1 // Copyright 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
  23 const char kPluginsServerUrl[] =
  24     "https://www.gstatic.com/chrome/config/plugins_2/";
  25
  26 GURL GetPluginsServerURL() {
  27   std::string filename;
  28 #if defined(OS_WIN)
  29   filename = "plugins_win.json";
  30 #elif defined(OS_LINUX)
  31   filename = "plugins_linux.json";
  32 #elif defined(OS_MACOSX)
  33   filename = "plugins_mac.json";
  34 #else
  35 #error Unknown platform
  36 #endif
  37
  38   return GURL(kPluginsServerUrl + filename);
  39 }
  40
  41 }  // namespace
  42
  43 PluginsResourceService::PluginsResourceService(PrefService* local_state)
  44     : ChromeWebResourceService(local_state,
  45                                GetPluginsServerURL(),
  46                                false,
  47                                prefs::kPluginsResourceCacheUpdate,
  48                                kStartResourceFetchDelayMs,
  49                                kCacheUpdateDelayMs) {
  50 }
  51
  52 void PluginsResourceService::Init() {
  53   const base::DictionaryValue* metadata =
  54       prefs_->GetDictionary(prefs::kPluginsMetadata);
  55   PluginFinder::GetInstance()->ReinitializePlugins(metadata);
  56   StartAfterDelay();
  57 }
  58
  59 PluginsResourceService::~PluginsResourceService() {
  60 }
  61
  62 // static
  63 void PluginsResourceService::RegisterPrefs(PrefRegistrySimple* registry) {
  64   registry->RegisterDictionaryPref(prefs::kPluginsMetadata,
  65                                    new base::DictionaryValue());
  66   registry->RegisterStringPref(prefs::kPluginsResourceCacheUpdate, "0");
  67 }
  68
  69 void PluginsResourceService::Unpack(const base::DictionaryValue& parsed_json) {
  70   prefs_->Set(prefs::kPluginsMetadata, parsed_json);
  71   PluginFinder::GetInstance()->ReinitializePlugins(&parsed_json);
  72 }