android_webview/browser/aw_browser_context.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 "android_webview/browser/aw_browser_context.h"
   6
   7 #include "android_webview/browser/aw_form_database_service.h"
   8 #include "android_webview/browser/aw_pref_store.h"
   9 #include "android_webview/browser/aw_quota_manager_bridge.h"
  10 #include "android_webview/browser/aw_resource_context.h"
  11 #include "android_webview/browser/jni_dependency_factory.h"
  12 #include "android_webview/browser/net/aw_url_request_context_getter.h"
  13 #include "android_webview/browser/net/init_native_callback.h"
  14 #include "base/base_paths_android.h"
  15 #include "base/bind.h"
  16 #include "base/path_service.h"
  17 #include "base/prefs/pref_registry_simple.h"
  18 #include "base/prefs/pref_service.h"
  19 #include "base/prefs/pref_service_factory.h"
  20 #include "components/autofill/core/common/autofill_pref_names.h"
  21 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_configurator.h"
  22 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
  23 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
  24 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics_prefs.h"
  25 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.h"
  26 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
  27 #include "components/user_prefs/user_prefs.h"
  28 #include "components/visitedlink/browser/visitedlink_master.h"
  29 #include "content/public/browser/browser_thread.h"
  30 #include "content/public/browser/ssl_host_state_delegate.h"
  31 #include "content/public/browser/storage_partition.h"
  32 #include "content/public/browser/web_contents.h"
  33 #include "net/cookies/cookie_store.h"
  34 #include "net/proxy/proxy_config_service_android.h"
  35 #include "net/proxy/proxy_service.h"
  36
  37 using base::FilePath;
  38 using content::BrowserThread;
  39 using data_reduction_proxy::DataReductionProxyConfigurator;
  40 using data_reduction_proxy::DataReductionProxyEventStore;
  41 using data_reduction_proxy::DataReductionProxySettings;
  42
  43 namespace android_webview {
  44
  45 namespace {
  46
  47 // Shows notifications which correspond to PersistentPrefStore's reading errors.
  48 void HandleReadError(PersistentPrefStore::PrefReadError error) {
  49 }
  50
  51 void DeleteDirRecursively(const base::FilePath& path) {
  52   if (!base::DeleteFile(path, true)) {
  53     // Deleting a non-existent file is considered successful, so this will
  54     // trigger only in case of real errors.
  55     LOG(WARNING) << "Failed to delete " << path.AsUTF8Unsafe();
  56   }
  57 }
  58
  59 AwBrowserContext* g_browser_context = NULL;
  60
  61 net::ProxyConfigService* CreateProxyConfigService() {
  62   net::ProxyConfigServiceAndroid* config_service =
  63       static_cast<net::ProxyConfigServiceAndroid*>(
  64           net::ProxyService::CreateSystemProxyConfigService(
  65               BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
  66               nullptr /* Ignored on Android */ ));
  67   config_service->set_exclude_pac_url(true);
  68   return config_service;
  69 }
  70
  71 }  // namespace
  72
  73 // Data reduction proxy is disabled by default.
  74 bool AwBrowserContext::data_reduction_proxy_enabled_ = false;
  75
  76 // Delete the legacy cache dir (in the app data dir) in 10 seconds after init.
  77 int AwBrowserContext::legacy_cache_removal_delay_ms_ = 10000;
  78
  79 AwBrowserContext::AwBrowserContext(
  80     const FilePath path,
  81     JniDependencyFactory* native_factory)
  82     : context_storage_path_(path),
  83       native_factory_(native_factory) {
  84   DCHECK(!g_browser_context);
  85   g_browser_context = this;
  86
  87   // This constructor is entered during the creation of ContentBrowserClient,
  88   // before browser threads are created. Therefore any checks to enforce
  89   // threading (such as BrowserThread::CurrentlyOn()) will fail here.
  90 }
  91
  92 AwBrowserContext::~AwBrowserContext() {
  93   DCHECK_EQ(this, g_browser_context);
  94   g_browser_context = NULL;
  95 }
  96
  97 // static
  98 AwBrowserContext* AwBrowserContext::GetDefault() {
  99   // TODO(joth): rather than store in a global here, lookup this instance
 100   // from the Java-side peer.
 101   return g_browser_context;
 102 }
 103
 104 // static
 105 AwBrowserContext* AwBrowserContext::FromWebContents(
 106     content::WebContents* web_contents) {
 107   // This is safe; this is the only implementation of the browser context.
 108   return static_cast<AwBrowserContext*>(web_contents->GetBrowserContext());
 109 }
 110
 111 // static
 112 void AwBrowserContext::SetDataReductionProxyEnabled(bool enabled) {
 113   // Cache the setting value. It is possible that data reduction proxy is
 114   // not created yet.
 115   data_reduction_proxy_enabled_ = enabled;
 116   AwBrowserContext* context = AwBrowserContext::GetDefault();
 117   // Can't enable Data reduction proxy if user pref service is not ready.
 118   if (context == NULL || context->user_pref_service_.get() == NULL)
 119     return;
 120   DataReductionProxySettings* proxy_settings =
 121       context->GetDataReductionProxySettings();
 122   if (proxy_settings == NULL)
 123     return;
 124
 125   context->CreateDataReductionProxyStatisticsIfNecessary();
 126   proxy_settings->SetDataReductionProxyStatisticsPrefs(
 127       context->data_reduction_proxy_statistics_.get());
 128   proxy_settings->SetDataReductionProxyEnabled(data_reduction_proxy_enabled_);
 129 }
 130
 131 // static
 132 void AwBrowserContext::SetLegacyCacheRemovalDelayForTest(int delay_ms) {
 133   legacy_cache_removal_delay_ms_ = delay_ms;
 134 }
 135
 136 void AwBrowserContext::PreMainMessageLoopRun() {
 137   cookie_store_ = CreateCookieStore(this);
 138   FilePath cache_path;
 139   const FilePath fallback_cache_dir =
 140       GetPath().Append(FILE_PATH_LITERAL("Cache"));
 141   if (PathService::Get(base::DIR_CACHE, &cache_path)) {
 142     cache_path = cache_path.Append(
 143         FILE_PATH_LITERAL("org.chromium.android_webview"));
 144     // Delay the legacy dir removal to not impact startup performance.
 145     BrowserThread::PostDelayedTask(
 146         BrowserThread::FILE, FROM_HERE,
 147         base::Bind(&DeleteDirRecursively, fallback_cache_dir),
 148         base::TimeDelta::FromMilliseconds(legacy_cache_removal_delay_ms_));
 149   } else {
 150     cache_path = fallback_cache_dir;
 151     LOG(WARNING) << "Failed to get cache directory for Android WebView. "
 152                  << "Using app data directory as a fallback.";
 153   }
 154   url_request_context_getter_ =
 155       new AwURLRequestContextGetter(
 156           cache_path, cookie_store_.get(),
 157           make_scoped_ptr(CreateProxyConfigService()).Pass());
 158
 159   data_reduction_proxy_settings_.reset(
 160       new DataReductionProxySettings(
 161           new data_reduction_proxy::DataReductionProxyParams(
 162               data_reduction_proxy::DataReductionProxyParams::kAllowed)));
 163   data_reduction_proxy_event_store_.reset(
 164       new DataReductionProxyEventStore(
 165           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)));
 166   data_reduction_proxy_configurator_.reset(
 167       new data_reduction_proxy::DataReductionProxyConfigurator(
 168           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
 169           url_request_context_getter_->GetNetLog(),
 170           data_reduction_proxy_event_store_.get()));
 171   data_reduction_proxy_settings_->SetProxyConfigurator(
 172       data_reduction_proxy_configurator_.get());
 173
 174   visitedlink_master_.reset(
 175       new visitedlink::VisitedLinkMaster(this, this, false));
 176   visitedlink_master_->Init();
 177
 178   form_database_service_.reset(
 179       new AwFormDatabaseService(context_storage_path_));
 180 }
 181
 182 void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
 183   DCHECK(visitedlink_master_);
 184   visitedlink_master_->AddURLs(urls);
 185 }
 186
 187 net::URLRequestContextGetter* AwBrowserContext::CreateRequestContext(
 188     content::ProtocolHandlerMap* protocol_handlers,
 189     content::URLRequestInterceptorScopedVector request_interceptors) {
 190   // This function cannot actually create the request context because
 191   // there is a reentrant dependency on GetResourceContext() via
 192   // content::StoragePartitionImplMap::Create(). This is not fixable
 193   // until http://crbug.com/159193. Until then, assert that the context
 194   // has already been allocated and just handle setting the protocol_handlers.
 195   DCHECK(url_request_context_getter_.get());
 196   url_request_context_getter_->SetHandlersAndInterceptors(
 197       protocol_handlers, request_interceptors.Pass());
 198   return url_request_context_getter_.get();
 199 }
 200
 201 net::URLRequestContextGetter*
 202 AwBrowserContext::CreateRequestContextForStoragePartition(
 203     const base::FilePath& partition_path,
 204     bool in_memory,
 205     content::ProtocolHandlerMap* protocol_handlers,
 206     content::URLRequestInterceptorScopedVector request_interceptors) {
 207   NOTREACHED();
 208   return NULL;
 209 }
 210
 211 AwQuotaManagerBridge* AwBrowserContext::GetQuotaManagerBridge() {
 212   if (!quota_manager_bridge_.get()) {
 213     quota_manager_bridge_ = native_factory_->CreateAwQuotaManagerBridge(this);
 214   }
 215   return quota_manager_bridge_.get();
 216 }
 217
 218 AwFormDatabaseService* AwBrowserContext::GetFormDatabaseService() {
 219   return form_database_service_.get();
 220 }
 221
 222 DataReductionProxySettings* AwBrowserContext::GetDataReductionProxySettings() {
 223   return data_reduction_proxy_settings_.get();
 224 }
 225
 226 DataReductionProxyEventStore*
 227     AwBrowserContext::GetDataReductionProxyEventStore() {
 228   return data_reduction_proxy_event_store_.get();
 229 }
 230
 231 data_reduction_proxy::DataReductionProxyConfigurator*
 232 AwBrowserContext::GetDataReductionProxyConfigurator() {
 233   return data_reduction_proxy_configurator_.get();
 234 }
 235
 236 AwURLRequestContextGetter* AwBrowserContext::GetAwURLRequestContext() {
 237   return url_request_context_getter_.get();
 238 }
 239
 240 // Create user pref service for autofill functionality.
 241 void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
 242   if (user_pref_service_)
 243     return;
 244
 245   PrefRegistrySimple* pref_registry = new PrefRegistrySimple();
 246   // We only use the autocomplete feature of the Autofill, which is
 247   // controlled via the manager_delegate. We don't use the rest
 248   // of autofill, which is why it is hardcoded as disabled here.
 249   pref_registry->RegisterBooleanPref(
 250       autofill::prefs::kAutofillEnabled, false);
 251   pref_registry->RegisterDoublePref(
 252       autofill::prefs::kAutofillPositiveUploadRate, 0.0);
 253   pref_registry->RegisterDoublePref(
 254       autofill::prefs::kAutofillNegativeUploadRate, 0.0);
 255   data_reduction_proxy::RegisterSimpleProfilePrefs(pref_registry);
 256
 257   base::PrefServiceFactory pref_service_factory;
 258   pref_service_factory.set_user_prefs(make_scoped_refptr(new AwPrefStore()));
 259   pref_service_factory.set_read_error_callback(base::Bind(&HandleReadError));
 260   user_pref_service_ = pref_service_factory.Create(pref_registry).Pass();
 261
 262   user_prefs::UserPrefs::Set(this, user_pref_service_.get());
 263
 264   if (data_reduction_proxy_settings_.get()) {
 265     data_reduction_proxy_settings_->InitDataReductionProxySettings(
 266         user_pref_service_.get(),
 267         GetRequestContext(),
 268         GetAwURLRequestContext()->GetNetLog(),
 269         GetDataReductionProxyEventStore());
 270     data_reduction_proxy_settings_->MaybeActivateDataReductionProxy(true);
 271
 272     SetDataReductionProxyEnabled(data_reduction_proxy_enabled_);
 273   }
 274 }
 275
 276 scoped_ptr<content::ZoomLevelDelegate>
 277 AwBrowserContext::CreateZoomLevelDelegate(
 278     const base::FilePath& partition_path) {
 279   return nullptr;
 280 }
 281
 282 base::FilePath AwBrowserContext::GetPath() const {
 283   return context_storage_path_;
 284 }
 285
 286 bool AwBrowserContext::IsOffTheRecord() const {
 287   // Android WebView does not support off the record profile yet.
 288   return false;
 289 }
 290
 291 net::URLRequestContextGetter* AwBrowserContext::GetRequestContext() {
 292   return GetDefaultStoragePartition(this)->GetURLRequestContext();
 293 }
 294
 295 net::URLRequestContextGetter*
 296 AwBrowserContext::GetRequestContextForRenderProcess(
 297     int renderer_child_id) {
 298   return GetRequestContext();
 299 }
 300
 301 net::URLRequestContextGetter* AwBrowserContext::GetMediaRequestContext() {
 302   return GetRequestContext();
 303 }
 304
 305 net::URLRequestContextGetter*
 306 AwBrowserContext::GetMediaRequestContextForRenderProcess(
 307     int renderer_child_id) {
 308   return GetRequestContext();
 309 }
 310
 311 net::URLRequestContextGetter*
 312 AwBrowserContext::GetMediaRequestContextForStoragePartition(
 313     const base::FilePath& partition_path,
 314     bool in_memory) {
 315   NOTREACHED();
 316   return NULL;
 317 }
 318
 319 content::ResourceContext* AwBrowserContext::GetResourceContext() {
 320   if (!resource_context_) {
 321     resource_context_.reset(
 322         new AwResourceContext(url_request_context_getter_.get()));
 323   }
 324   return resource_context_.get();
 325 }
 326
 327 content::DownloadManagerDelegate*
 328 AwBrowserContext::GetDownloadManagerDelegate() {
 329   return &download_manager_delegate_;
 330 }
 331
 332 content::BrowserPluginGuestManager* AwBrowserContext::GetGuestManager() {
 333   return NULL;
 334 }
 335
 336 storage::SpecialStoragePolicy* AwBrowserContext::GetSpecialStoragePolicy() {
 337   // Intentionally returning NULL as 'Extensions' and 'Apps' not supported.
 338   return NULL;
 339 }
 340
 341 content::PushMessagingService* AwBrowserContext::GetPushMessagingService() {
 342   // TODO(johnme): Support push messaging in WebView.
 343   return NULL;
 344 }
 345
 346 content::SSLHostStateDelegate* AwBrowserContext::GetSSLHostStateDelegate() {
 347   if (!ssl_host_state_delegate_.get()) {
 348     ssl_host_state_delegate_.reset(new AwSSLHostStateDelegate());
 349   }
 350   return ssl_host_state_delegate_.get();
 351 }
 352
 353 void AwBrowserContext::RebuildTable(
 354     const scoped_refptr<URLEnumerator>& enumerator) {
 355   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
 356   // can change in the lifetime of this WebView and may not yet be set here.
 357   // Therefore this initialization path is not used.
 358   enumerator->OnComplete(true);
 359 }
 360
 361 void AwBrowserContext::CreateDataReductionProxyStatisticsIfNecessary() {
 362   DCHECK(user_pref_service_.get());
 363
 364   if (!data_reduction_proxy_statistics_.get()) {
 365     // We don't care about commit_delay for now. It is just a dummy value.
 366     base::TimeDelta commit_delay = base::TimeDelta::FromMinutes(60);
 367     data_reduction_proxy_statistics_ =
 368         scoped_ptr<data_reduction_proxy::DataReductionProxyStatisticsPrefs>(
 369             new data_reduction_proxy::DataReductionProxyStatisticsPrefs(
 370                 user_pref_service_.get(),
 371                 base::MessageLoopProxy::current(),
 372                 commit_delay));
 373   }
 374 }
 375
 376 }  // namespace android_webview