content/browser/dom_storage/dom_storage_context_wrapper.cc

   1 // Copyright 2013 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 "content/browser/dom_storage/dom_storage_context_wrapper.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/files/file_path.h"
  10 #include "base/message_loop/message_loop_proxy.h"
  11 #include "content/browser/dom_storage/dom_storage_area.h"
  12 #include "content/browser/dom_storage/dom_storage_context_impl.h"
  13 #include "content/browser/dom_storage/dom_storage_task_runner.h"
  14 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
  15 #include "content/public/browser/browser_thread.h"
  16 #include "content/public/browser/local_storage_usage_info.h"
  17 #include "content/public/browser/session_storage_usage_info.h"
  18
  19 namespace content {
  20 namespace {
  21
  22 const char kLocalStorageDirectory[] = "Local Storage";
  23 const char kSessionStorageDirectory[] = "Session Storage";
  24
  25 void InvokeLocalStorageUsageCallbackHelper(
  26       const DOMStorageContext::GetLocalStorageUsageCallback& callback,
  27       const std::vector<LocalStorageUsageInfo>* infos) {
  28   callback.Run(*infos);
  29 }
  30
  31 void GetLocalStorageUsageHelper(
  32     base::MessageLoopProxy* reply_loop,
  33     DOMStorageContextImpl* context,
  34     const DOMStorageContext::GetLocalStorageUsageCallback& callback) {
  35   std::vector<LocalStorageUsageInfo>* infos =
  36       new std::vector<LocalStorageUsageInfo>;
  37   context->GetLocalStorageUsage(infos, true);
  38   reply_loop->PostTask(
  39       FROM_HERE,
  40       base::Bind(&InvokeLocalStorageUsageCallbackHelper,
  41                  callback, base::Owned(infos)));
  42 }
  43
  44 void InvokeSessionStorageUsageCallbackHelper(
  45       const DOMStorageContext::GetSessionStorageUsageCallback& callback,
  46       const std::vector<SessionStorageUsageInfo>* infos) {
  47   callback.Run(*infos);
  48 }
  49
  50 void GetSessionStorageUsageHelper(
  51     base::MessageLoopProxy* reply_loop,
  52     DOMStorageContextImpl* context,
  53     const DOMStorageContext::GetSessionStorageUsageCallback& callback) {
  54   std::vector<SessionStorageUsageInfo>* infos =
  55       new std::vector<SessionStorageUsageInfo>;
  56   context->GetSessionStorageUsage(infos);
  57   reply_loop->PostTask(
  58       FROM_HERE,
  59       base::Bind(&InvokeSessionStorageUsageCallbackHelper,
  60                  callback, base::Owned(infos)));
  61 }
  62
  63 }  // namespace
  64
  65 DOMStorageContextWrapper::DOMStorageContextWrapper(
  66     const base::FilePath& data_path,
  67     storage::SpecialStoragePolicy* special_storage_policy) {
  68   base::SequencedWorkerPool* worker_pool = BrowserThread::GetBlockingPool();
  69   context_ = new DOMStorageContextImpl(
  70       data_path.empty() ? data_path
  71                         : data_path.AppendASCII(kLocalStorageDirectory),
  72       data_path.empty() ? data_path
  73                         : data_path.AppendASCII(kSessionStorageDirectory),
  74       special_storage_policy,
  75       new DOMStorageWorkerPoolTaskRunner(
  76           worker_pool,
  77           worker_pool->GetNamedSequenceToken("dom_storage_primary"),
  78           worker_pool->GetNamedSequenceToken("dom_storage_commit"),
  79           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)
  80               .get()));
  81 }
  82
  83 DOMStorageContextWrapper::~DOMStorageContextWrapper() {
  84 }
  85
  86 void DOMStorageContextWrapper::GetLocalStorageUsage(
  87     const GetLocalStorageUsageCallback& callback) {
  88   DCHECK(context_.get());
  89   context_->task_runner()
  90       ->PostShutdownBlockingTask(FROM_HERE,
  91                                  DOMStorageTaskRunner::PRIMARY_SEQUENCE,
  92                                  base::Bind(&GetLocalStorageUsageHelper,
  93                                             base::MessageLoopProxy::current(),
  94                                             context_,
  95                                             callback));
  96 }
  97
  98 void DOMStorageContextWrapper::GetSessionStorageUsage(
  99     const GetSessionStorageUsageCallback& callback) {
 100   DCHECK(context_.get());
 101   context_->task_runner()
 102       ->PostShutdownBlockingTask(FROM_HERE,
 103                                  DOMStorageTaskRunner::PRIMARY_SEQUENCE,
 104                                  base::Bind(&GetSessionStorageUsageHelper,
 105                                             base::MessageLoopProxy::current(),
 106                                             context_,
 107                                             callback));
 108 }
 109
 110 void DOMStorageContextWrapper::DeleteLocalStorage(const GURL& origin) {
 111   DCHECK(context_.get());
 112   context_->task_runner()->PostShutdownBlockingTask(
 113       FROM_HERE,
 114       DOMStorageTaskRunner::PRIMARY_SEQUENCE,
 115       base::Bind(&DOMStorageContextImpl::DeleteLocalStorage, context_, origin));
 116 }
 117
 118 void DOMStorageContextWrapper::DeleteSessionStorage(
 119     const SessionStorageUsageInfo& usage_info) {
 120   DCHECK(context_.get());
 121   context_->task_runner()->PostShutdownBlockingTask(
 122       FROM_HERE,
 123       DOMStorageTaskRunner::PRIMARY_SEQUENCE,
 124       base::Bind(&DOMStorageContextImpl::DeleteSessionStorage,
 125                  context_, usage_info));
 126 }
 127
 128 void DOMStorageContextWrapper::SetSaveSessionStorageOnDisk() {
 129   DCHECK(context_.get());
 130   context_->SetSaveSessionStorageOnDisk();
 131 }
 132
 133 scoped_refptr<SessionStorageNamespace>
 134 DOMStorageContextWrapper::RecreateSessionStorage(
 135     const std::string& persistent_id) {
 136   return scoped_refptr<SessionStorageNamespace>(
 137       new SessionStorageNamespaceImpl(this, persistent_id));
 138 }
 139
 140 void DOMStorageContextWrapper::StartScavengingUnusedSessionStorage() {
 141   DCHECK(context_.get());
 142   context_->task_runner()->PostShutdownBlockingTask(
 143       FROM_HERE,
 144       DOMStorageTaskRunner::PRIMARY_SEQUENCE,
 145       base::Bind(&DOMStorageContextImpl::StartScavengingUnusedSessionStorage,
 146                  context_));
 147 }
 148
 149 void DOMStorageContextWrapper::SetForceKeepSessionState() {
 150   DCHECK(context_.get());
 151   context_->task_runner()->PostShutdownBlockingTask(
 152       FROM_HERE,
 153       DOMStorageTaskRunner::PRIMARY_SEQUENCE,
 154       base::Bind(&DOMStorageContextImpl::SetForceKeepSessionState, context_));
 155 }
 156
 157 void DOMStorageContextWrapper::Shutdown() {
 158   DCHECK(context_.get());
 159   context_->task_runner()->PostShutdownBlockingTask(
 160       FROM_HERE,
 161       DOMStorageTaskRunner::PRIMARY_SEQUENCE,
 162       base::Bind(&DOMStorageContextImpl::Shutdown, context_));
 163 }
 164
 165 }  // namespace content