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// Copyright 2014 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.
#ifndef COMPONENTS_CLOUD_DEVICES_DESCRIPTION_DESCRIPTION_ITEMS_INL_H_
#define COMPONENTS_CLOUD_DEVICES_DESCRIPTION_DESCRIPTION_ITEMS_INL_H_
#include <vector>
#include "components/cloud_devices/description_items.h"
// Implementation of templates defined in header file.
// This file should be included from CC file with implementation of device
// specific capabilities.
namespace cloud_devices {
template <class Option, class Traits>
ListCapability<Option, Traits>::ListCapability() {
Reset();
}
template <class Option, class Traits>
ListCapability<Option, Traits>::~ListCapability() { }
template <class Option, class Traits>
bool ListCapability<Option, Traits>::IsValid() const {
if (empty())
return false; // This type of capabilities can't be empty.
for (size_t i = 0; i < options_.size(); ++i) {
if (!Traits::IsValid(options_[i]))
return false;
}
return true;
}
template <class Option, class Traits>
bool ListCapability<Option, Traits>::LoadFrom(
const CloudDeviceDescription& description) {
Reset();
const base::ListValue* options =
description.GetListItem(Traits::GetItemPath());
if (!options)
return false;
for (size_t i = 0; i < options->GetSize(); ++i) {
const base::DictionaryValue* option_value = NULL;
if (!options->GetDictionary(i, &option_value))
return false; // Every entry must be a dictionary.
Option option;
if (!Traits::Load(*option_value, &option))
return false;
AddOption(option);
}
return IsValid();
}
template <class Option, class Traits>
void ListCapability<Option, Traits>::SaveTo(
CloudDeviceDescription* description) const {
DCHECK(IsValid());
base::ListValue* options_list =
description->CreateListItem(Traits::GetItemPath());
for (size_t i = 0; i < options_.size(); ++i) {
base::DictionaryValue* option_value = new base::DictionaryValue;
options_list->Append(option_value);
Traits::Save(options_[i], option_value);
}
}
template <class Option, class Traits>
SelectionCapability<Option, Traits>::SelectionCapability() {
Reset();
}
template <class Option, class Traits>
SelectionCapability<Option, Traits>::~SelectionCapability() { }
template <class Option, class Traits>
bool SelectionCapability<Option, Traits>::IsValid() const {
if (empty())
return false; // This type of capabilities can't be empty
for (size_t i = 0; i < options_.size(); ++i) {
if (!Traits::IsValid(options_[i]))
return false;
}
return default_idx_ >= 0 && default_idx_ < static_cast<int>(size());
}
template <class Option, class Traits>
bool SelectionCapability<Option, Traits>::LoadFrom(
const CloudDeviceDescription& description) {
Reset();
const base::DictionaryValue* item =
description.GetItem(Traits::GetItemPath());
if (!item)
return false;
const base::ListValue* options = NULL;
if (!item->GetList(json::kKeyOption, &options))
return false;
for (size_t i = 0; i < options->GetSize(); ++i) {
const base::DictionaryValue* option_value = NULL;
if (!options->GetDictionary(i, &option_value))
return false; // Every entry must be a dictionary.
Option option;
if (!Traits::Load(*option_value, &option))
return false;
bool is_default = false;
option_value->GetBoolean(json::kKeyIsDefault, &is_default);
if (is_default && default_idx_ >= 0) {
return false; // Multiple defaults.
}
AddDefaultOption(option, is_default);
}
return IsValid();
}
template <class Option, class Traits>
void SelectionCapability<Option, Traits>::SaveTo(
CloudDeviceDescription* description) const {
DCHECK(IsValid());
base::ListValue* options_list = new base::ListValue;
description->CreateItem(Traits::GetItemPath())->Set(json::kKeyOption,
options_list);
for (size_t i = 0; i < options_.size(); ++i) {
base::DictionaryValue* option_value = new base::DictionaryValue;
options_list->Append(option_value);
if (static_cast<int>(i) == default_idx_)
option_value->SetBoolean(json::kKeyIsDefault, true);
Traits::Save(options_[i], option_value);
}
}
template <class Traits>
BooleanCapability<Traits>::BooleanCapability() {
Reset();
}
template <class Traits>
BooleanCapability<Traits>::~BooleanCapability() { }
template <class Traits>
bool BooleanCapability<Traits>::LoadFrom(
const CloudDeviceDescription& description) {
Reset();
const base::DictionaryValue* dict =
description.GetItem(Traits::GetItemPath());
if (!dict)
return false;
default_value_ = Traits::kDefault;
dict->GetBoolean(json::kKeyDefault, &default_value_);
return true;
}
template <class Traits>
void BooleanCapability<Traits>::SaveTo(
CloudDeviceDescription* description) const {
base::DictionaryValue* dict = description->CreateItem(Traits::GetItemPath());
if (default_value_ != Traits::kDefault)
dict->SetBoolean(json::kKeyDefault, default_value_);
}
template <class Traits>
bool EmptyCapability<Traits>::LoadFrom(
const CloudDeviceDescription& description) {
return description.GetItem(Traits::GetItemPath()) != NULL;
}
template <class Traits>
void EmptyCapability<Traits>::SaveTo(
CloudDeviceDescription* description) const {
description->CreateItem(Traits::GetItemPath());
}
template <class Option, class Traits>
TicketItem<Option, Traits>::TicketItem() {
Reset();
}
template <class Option, class Traits>
TicketItem<Option, Traits>::~TicketItem() { }
template <class Option, class Traits>
bool TicketItem<Option, Traits>::IsValid() const {
return Traits::IsValid(value());
}
template <class Option, class Traits>
bool TicketItem<Option, Traits>::LoadFrom(
const CloudDeviceDescription& description) {
Reset();
const base::DictionaryValue* option_value =
description.GetItem(Traits::GetItemPath());
if (!option_value)
return false;
Option option;
if (!Traits::Load(*option_value, &option))
return false;
set_value(option);
return IsValid();
}
template <class Option, class Traits>
void TicketItem<Option, Traits>::SaveTo(
CloudDeviceDescription* description) const {
DCHECK(IsValid());
Traits::Save(value(), description->CreateItem(Traits::GetItemPath()));
}
} // namespace cloud_devices
#endif // COMPONENTS_CLOUD_DEVICES_DESCRIPTION_DESCRIPTION_ITEMS_INL_H_
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