root/content/browser/dom_storage/dom_storage_context_wrapper.cc

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DEFINITIONS

This source file includes following definitions.
  1. InvokeLocalStorageUsageCallbackHelper
  2. GetLocalStorageUsageHelper
  3. InvokeSessionStorageUsageCallbackHelper
  4. GetSessionStorageUsageHelper
  5. GetLocalStorageUsage
  6. GetSessionStorageUsage
  7. DeleteLocalStorage
  8. DeleteSessionStorage
  9. SetSaveSessionStorageOnDisk
  10. RecreateSessionStorage
  11. StartScavengingUnusedSessionStorage
  12. SetForceKeepSessionState
  13. Shutdown

// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/dom_storage/dom_storage_context_wrapper.h"

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/files/file_path.h"
#include "base/message_loop/message_loop_proxy.h"
#include "content/browser/dom_storage/dom_storage_area.h"
#include "content/browser/dom_storage/dom_storage_context_impl.h"
#include "content/browser/dom_storage/dom_storage_task_runner.h"
#include "content/browser/dom_storage/session_storage_namespace_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/local_storage_usage_info.h"
#include "content/public/browser/session_storage_usage_info.h"

namespace content {
namespace {

const char kLocalStorageDirectory[] = "Local Storage";
const char kSessionStorageDirectory[] = "Session Storage";

void InvokeLocalStorageUsageCallbackHelper(
      const DOMStorageContext::GetLocalStorageUsageCallback& callback,
      const std::vector<LocalStorageUsageInfo>* infos) {
  callback.Run(*infos);
}

void GetLocalStorageUsageHelper(
    base::MessageLoopProxy* reply_loop,
    DOMStorageContextImpl* context,
    const DOMStorageContext::GetLocalStorageUsageCallback& callback) {
  std::vector<LocalStorageUsageInfo>* infos =
      new std::vector<LocalStorageUsageInfo>;
  context->GetLocalStorageUsage(infos, true);
  reply_loop->PostTask(
      FROM_HERE,
      base::Bind(&InvokeLocalStorageUsageCallbackHelper,
                 callback, base::Owned(infos)));
}

void InvokeSessionStorageUsageCallbackHelper(
      const DOMStorageContext::GetSessionStorageUsageCallback& callback,
      const std::vector<SessionStorageUsageInfo>* infos) {
  callback.Run(*infos);
}

void GetSessionStorageUsageHelper(
    base::MessageLoopProxy* reply_loop,
    DOMStorageContextImpl* context,
    const DOMStorageContext::GetSessionStorageUsageCallback& callback) {
  std::vector<SessionStorageUsageInfo>* infos =
      new std::vector<SessionStorageUsageInfo>;
  context->GetSessionStorageUsage(infos);
  reply_loop->PostTask(
      FROM_HERE,
      base::Bind(&InvokeSessionStorageUsageCallbackHelper,
                 callback, base::Owned(infos)));
}

}  // namespace

DOMStorageContextWrapper::DOMStorageContextWrapper(
    const base::FilePath& data_path,
    quota::SpecialStoragePolicy* special_storage_policy) {
  base::SequencedWorkerPool* worker_pool = BrowserThread::GetBlockingPool();
  context_ = new DOMStorageContextImpl(
      data_path.empty() ? data_path
                        : data_path.AppendASCII(kLocalStorageDirectory),
      data_path.empty() ? data_path
                        : data_path.AppendASCII(kSessionStorageDirectory),
      special_storage_policy,
      new DOMStorageWorkerPoolTaskRunner(
          worker_pool,
          worker_pool->GetNamedSequenceToken("dom_storage_primary"),
          worker_pool->GetNamedSequenceToken("dom_storage_commit"),
          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)
              .get()));
}

DOMStorageContextWrapper::~DOMStorageContextWrapper() {
}

void DOMStorageContextWrapper::GetLocalStorageUsage(
    const GetLocalStorageUsageCallback& callback) {
  DCHECK(context_.get());
  context_->task_runner()
      ->PostShutdownBlockingTask(FROM_HERE,
                                 DOMStorageTaskRunner::PRIMARY_SEQUENCE,
                                 base::Bind(&GetLocalStorageUsageHelper,
                                            base::MessageLoopProxy::current(),
                                            context_,
                                            callback));
}

void DOMStorageContextWrapper::GetSessionStorageUsage(
    const GetSessionStorageUsageCallback& callback) {
  DCHECK(context_.get());
  context_->task_runner()
      ->PostShutdownBlockingTask(FROM_HERE,
                                 DOMStorageTaskRunner::PRIMARY_SEQUENCE,
                                 base::Bind(&GetSessionStorageUsageHelper,
                                            base::MessageLoopProxy::current(),
                                            context_,
                                            callback));
}

void DOMStorageContextWrapper::DeleteLocalStorage(const GURL& origin) {
  DCHECK(context_.get());
  context_->task_runner()->PostShutdownBlockingTask(
      FROM_HERE,
      DOMStorageTaskRunner::PRIMARY_SEQUENCE,
      base::Bind(&DOMStorageContextImpl::DeleteLocalStorage, context_, origin));
}

void DOMStorageContextWrapper::DeleteSessionStorage(
    const SessionStorageUsageInfo& usage_info) {
  DCHECK(context_.get());
  context_->task_runner()->PostShutdownBlockingTask(
      FROM_HERE,
      DOMStorageTaskRunner::PRIMARY_SEQUENCE,
      base::Bind(&DOMStorageContextImpl::DeleteSessionStorage,
                 context_, usage_info));
}

void DOMStorageContextWrapper::SetSaveSessionStorageOnDisk() {
  DCHECK(context_.get());
  context_->SetSaveSessionStorageOnDisk();
}

scoped_refptr<SessionStorageNamespace>
DOMStorageContextWrapper::RecreateSessionStorage(
    const std::string& persistent_id) {
  return scoped_refptr<SessionStorageNamespace>(
      new SessionStorageNamespaceImpl(this, persistent_id));
}

void DOMStorageContextWrapper::StartScavengingUnusedSessionStorage() {
  DCHECK(context_.get());
  context_->task_runner()->PostShutdownBlockingTask(
      FROM_HERE,
      DOMStorageTaskRunner::PRIMARY_SEQUENCE,
      base::Bind(&DOMStorageContextImpl::StartScavengingUnusedSessionStorage,
                 context_));
}

void DOMStorageContextWrapper::SetForceKeepSessionState() {
  DCHECK(context_.get());
  context_->task_runner()->PostShutdownBlockingTask(
      FROM_HERE,
      DOMStorageTaskRunner::PRIMARY_SEQUENCE,
      base::Bind(&DOMStorageContextImpl::SetForceKeepSessionState, context_));
}

void DOMStorageContextWrapper::Shutdown() {
  DCHECK(context_.get());
  context_->task_runner()->PostShutdownBlockingTask(
      FROM_HERE,
      DOMStorageTaskRunner::PRIMARY_SEQUENCE,
      base::Bind(&DOMStorageContextImpl::Shutdown, context_));
}

}  // namespace content

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