plugins_resource_service.cc revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace 
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
15namespace {
16
17// Delay on first fetch so we don't interfere with startup.
18const int kStartResourceFetchDelayMs = 60 * 1000;
19
20// Delay between calls to update the cache 1 day and 2 minutes in testing mode.
21const int kCacheUpdateDelayMs = 24 * 60 * 60 * 1000;
22const int kTestCacheUpdateDelayMs = 2 * 60 * 1000;
23
24const char kPluginsServerUrl[] =
25    "https://www.gstatic.com/chrome/config/plugins_2/";
26
27bool IsTest() {
28  return CommandLine::ForCurrentProcess()->HasSwitch(
29      switches::kPluginsMetadataServerURL);
30}
31
32GURL 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
50int GetCacheUpdateDelay() {
51  return IsTest() ? kTestCacheUpdateDelayMs : kCacheUpdateDelayMs;
52}
53
54}  // namespace
55
56PluginsResourceService::PluginsResourceService(PrefService* local_state)
57    : WebResourceService(local_state,
58                         GetPluginsServerURL(),
59                         false,
60                         prefs::kPluginsResourceCacheUpdate,
61                         kStartResourceFetchDelayMs,
62                         GetCacheUpdateDelay()) {
63}
64
65void PluginsResourceService::Init() {
66  const base::DictionaryValue* metadata =
67      prefs_->GetDictionary(prefs::kPluginsMetadata);
68  PluginFinder::GetInstance()->ReinitializePlugins(metadata);
69  StartAfterDelay();
70}
71
72PluginsResourceService::~PluginsResourceService() {
73}
74
75// static
76void PluginsResourceService::RegisterPrefs(PrefRegistrySimple* registry) {
77  registry->RegisterDictionaryPref(prefs::kPluginsMetadata,
78                                   new base::DictionaryValue());
79  registry->RegisterStringPref(prefs::kPluginsResourceCacheUpdate, "0");
80}
81
82void PluginsResourceService::Unpack(const DictionaryValue& parsed_json) {
83  prefs_->Set(prefs::kPluginsMetadata, parsed_json);
84  PluginFinder::GetInstance()->ReinitializePlugins(&parsed_json);
85}
86