| // 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 "chrome/browser/extensions/api/system_memory/memory_info_provider.h" |
| |
| #include "base/sys_info.h" |
| |
| namespace extensions { |
| |
| using api::system_memory::MemoryInfo; |
| |
| // Static member intialization. |
| base::LazyInstance<scoped_refptr<MemoryInfoProvider> > |
| MemoryInfoProvider::provider_ = LAZY_INSTANCE_INITIALIZER; |
| |
| MemoryInfoProvider::MemoryInfoProvider() {} |
| |
| MemoryInfoProvider::~MemoryInfoProvider() {} |
| |
| const MemoryInfo& MemoryInfoProvider::memory_info() const { |
| return info_; |
| } |
| |
| void MemoryInfoProvider::InitializeForTesting( |
| scoped_refptr<MemoryInfoProvider> provider) { |
| DCHECK(provider.get() != NULL); |
| provider_.Get() = provider; |
| } |
| |
| bool MemoryInfoProvider::QueryInfo() { |
| info_.capacity = static_cast<double>(base::SysInfo::AmountOfPhysicalMemory()); |
| info_.available_capacity = |
| static_cast<double>(base::SysInfo::AmountOfAvailablePhysicalMemory()); |
| return true; |
| } |
| |
| // static |
| MemoryInfoProvider* MemoryInfoProvider::Get() { |
| if (provider_.Get().get() == NULL) |
| provider_.Get() = new MemoryInfoProvider(); |
| return provider_.Get(); |
| } |
| |
| } // namespace extensions |