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      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/prefs/pref_registry_simple.h"
     15 #include "base/prefs/pref_service.h"
     16 #include "base/prefs/pref_service_factory.h"
     17 #include "components/autofill/core/common/autofill_pref_names.h"
     18 #include "components/user_prefs/user_prefs.h"
     19 #include "components/visitedlink/browser/visitedlink_master.h"
     20 #include "content/public/browser/browser_thread.h"
     21 #include "content/public/browser/storage_partition.h"
     22 #include "content/public/browser/web_contents.h"
     23 #include "net/cookies/cookie_store.h"
     24 
     25 using base::FilePath;
     26 using content::BrowserThread;
     27 
     28 namespace android_webview {
     29 
     30 namespace {
     31 
     32 // Shows notifications which correspond to PersistentPrefStore's reading errors.
     33 void HandleReadError(PersistentPrefStore::PrefReadError error) {
     34 }
     35 
     36 AwBrowserContext* g_browser_context = NULL;
     37 
     38 }  // namespace
     39 
     40 AwBrowserContext::AwBrowserContext(
     41     const FilePath path,
     42     JniDependencyFactory* native_factory)
     43     : context_storage_path_(path),
     44       native_factory_(native_factory) {
     45   DCHECK(g_browser_context == NULL);
     46   g_browser_context = this;
     47 
     48   // This constructor is entered during the creation of ContentBrowserClient,
     49   // before browser threads are created. Therefore any checks to enforce
     50   // threading (such as BrowserThread::CurrentlyOn()) will fail here.
     51 }
     52 
     53 AwBrowserContext::~AwBrowserContext() {
     54   DCHECK(g_browser_context == this);
     55   g_browser_context = NULL;
     56 }
     57 
     58 // static
     59 AwBrowserContext* AwBrowserContext::GetDefault() {
     60   // TODO(joth): rather than store in a global here, lookup this instance
     61   // from the Java-side peer.
     62   return g_browser_context;
     63 }
     64 
     65 // static
     66 AwBrowserContext* AwBrowserContext::FromWebContents(
     67     content::WebContents* web_contents) {
     68   // This is safe; this is the only implementation of the browser context.
     69   return static_cast<AwBrowserContext*>(web_contents->GetBrowserContext());
     70 }
     71 
     72 void AwBrowserContext::PreMainMessageLoopRun() {
     73   cookie_store_ = CreateCookieStore(this);
     74   url_request_context_getter_ =
     75       new AwURLRequestContextGetter(GetPath(), cookie_store_.get());
     76 
     77   visitedlink_master_.reset(
     78       new visitedlink::VisitedLinkMaster(this, this, false));
     79   visitedlink_master_->Init();
     80 
     81   form_database_service_.reset(
     82       new AwFormDatabaseService(context_storage_path_));
     83 }
     84 
     85 void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
     86   DCHECK(visitedlink_master_);
     87   visitedlink_master_->AddURLs(urls);
     88 }
     89 
     90 net::URLRequestContextGetter* AwBrowserContext::CreateRequestContext(
     91     content::ProtocolHandlerMap* protocol_handlers) {
     92   // This function cannot actually create the request context because
     93   // there is a reentrant dependency on GetResourceContext() via
     94   // content::StoragePartitionImplMap::Create(). This is not fixable
     95   // until http://crbug.com/159193. Until then, assert that the context
     96   // has already been allocated and just handle setting the protocol_handlers.
     97   DCHECK(url_request_context_getter_);
     98   url_request_context_getter_->SetProtocolHandlers(protocol_handlers);
     99   return url_request_context_getter_;
    100 }
    101 
    102 net::URLRequestContextGetter*
    103 AwBrowserContext::CreateRequestContextForStoragePartition(
    104     const base::FilePath& partition_path,
    105     bool in_memory,
    106     content::ProtocolHandlerMap* protocol_handlers) {
    107   NOTREACHED();
    108   return NULL;
    109 }
    110 
    111 AwQuotaManagerBridge* AwBrowserContext::GetQuotaManagerBridge() {
    112   if (!quota_manager_bridge_.get()) {
    113     quota_manager_bridge_ = native_factory_->CreateAwQuotaManagerBridge(this);
    114   }
    115   return quota_manager_bridge_.get();
    116 }
    117 
    118 AwFormDatabaseService* AwBrowserContext::GetFormDatabaseService() {
    119   return form_database_service_.get();
    120 }
    121 
    122 // Create user pref service for autofill functionality.
    123 void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
    124   if (user_pref_service_)
    125     return;
    126 
    127   PrefRegistrySimple* pref_registry = new PrefRegistrySimple();
    128   // We only use the autocomplete feature of the Autofill, which is
    129   // controlled via the manager_delegate. We don't use the rest
    130   // of autofill, which is why it is hardcoded as disabled here.
    131   pref_registry->RegisterBooleanPref(
    132       autofill::prefs::kAutofillEnabled, false);
    133   pref_registry->RegisterDoublePref(
    134       autofill::prefs::kAutofillPositiveUploadRate, 0.0);
    135   pref_registry->RegisterDoublePref(
    136       autofill::prefs::kAutofillNegativeUploadRate, 0.0);
    137 
    138   base::PrefServiceFactory pref_service_factory;
    139   pref_service_factory.set_user_prefs(make_scoped_refptr(new AwPrefStore()));
    140   pref_service_factory.set_read_error_callback(base::Bind(&HandleReadError));
    141   user_pref_service_ = pref_service_factory.Create(pref_registry).Pass();
    142 
    143   user_prefs::UserPrefs::Set(this, user_pref_service_.get());
    144 }
    145 
    146 base::FilePath AwBrowserContext::GetPath() const {
    147   return context_storage_path_;
    148 }
    149 
    150 bool AwBrowserContext::IsOffTheRecord() const {
    151   // Android WebView does not support off the record profile yet.
    152   return false;
    153 }
    154 
    155 net::URLRequestContextGetter* AwBrowserContext::GetRequestContext() {
    156   return GetDefaultStoragePartition(this)->GetURLRequestContext();
    157 }
    158 
    159 net::URLRequestContextGetter*
    160 AwBrowserContext::GetRequestContextForRenderProcess(
    161     int renderer_child_id) {
    162   return GetRequestContext();
    163 }
    164 
    165 net::URLRequestContextGetter* AwBrowserContext::GetMediaRequestContext() {
    166   return GetRequestContext();
    167 }
    168 
    169 void AwBrowserContext::RequestMIDISysExPermission(
    170       int render_process_id,
    171       int render_view_id,
    172       int bridge_id,
    173       const GURL& requesting_frame,
    174       const MIDISysExPermissionCallback& callback) {
    175   // TODO(toyoshim): Android is not supported yet.
    176   callback.Run(false);
    177 }
    178 
    179 void AwBrowserContext::CancelMIDISysExPermissionRequest(
    180     int render_process_id,
    181     int render_view_id,
    182     int bridge_id,
    183     const GURL& requesting_frame) {
    184 }
    185 
    186 net::URLRequestContextGetter*
    187 AwBrowserContext::GetMediaRequestContextForRenderProcess(
    188     int renderer_child_id) {
    189   return GetRequestContext();
    190 }
    191 
    192 net::URLRequestContextGetter*
    193 AwBrowserContext::GetMediaRequestContextForStoragePartition(
    194     const base::FilePath& partition_path,
    195     bool in_memory) {
    196   NOTREACHED();
    197   return NULL;
    198 }
    199 
    200 content::ResourceContext* AwBrowserContext::GetResourceContext() {
    201   if (!resource_context_) {
    202     resource_context_.reset(
    203         new AwResourceContext(url_request_context_getter_.get()));
    204   }
    205   return resource_context_.get();
    206 }
    207 
    208 content::DownloadManagerDelegate*
    209 AwBrowserContext::GetDownloadManagerDelegate() {
    210   return &download_manager_delegate_;
    211 }
    212 
    213 content::GeolocationPermissionContext*
    214 AwBrowserContext::GetGeolocationPermissionContext() {
    215   if (!geolocation_permission_context_.get()) {
    216     geolocation_permission_context_ =
    217         native_factory_->CreateGeolocationPermission(this);
    218   }
    219   return geolocation_permission_context_.get();
    220 }
    221 
    222 quota::SpecialStoragePolicy* AwBrowserContext::GetSpecialStoragePolicy() {
    223   // Intentionally returning NULL as 'Extensions' and 'Apps' not supported.
    224   return NULL;
    225 }
    226 
    227 void AwBrowserContext::RebuildTable(
    228     const scoped_refptr<URLEnumerator>& enumerator) {
    229   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
    230   // can change in the lifetime of this WebView and may not yet be set here.
    231   // Therefore this initialization path is not used.
    232   enumerator->OnComplete(true);
    233 }
    234 
    235 }  // namespace android_webview
    236