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// Copyright (c) 2012 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 "chromeos/dbus/shill_profile_client.h"
#include "base/bind.h"
#include "base/message_loop.h"
#include "base/stl_util.h"
#include "base/values.h"
#include "chromeos/dbus/shill_property_changed_observer.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_path.h"
#include "dbus/values_util.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
namespace {
// The ShillProfileClient implementation.
class ShillProfileClientImpl : public ShillProfileClient {
public:
explicit ShillProfileClientImpl(dbus::Bus* bus);
/////////////////////////////////////
// ShillProfileClient overrides.
virtual void AddPropertyChangedObserver(
const dbus::ObjectPath& profile_path,
ShillPropertyChangedObserver* observer) OVERRIDE {
GetHelper(profile_path)->AddPropertyChangedObserver(observer);
}
virtual void RemovePropertyChangedObserver(
const dbus::ObjectPath& profile_path,
ShillPropertyChangedObserver* observer) OVERRIDE {
GetHelper(profile_path)->RemovePropertyChangedObserver(observer);
}
virtual void GetProperties(
const dbus::ObjectPath& profile_path,
const DictionaryValueCallbackWithoutStatus& callback,
const ErrorCallback& error_callback) OVERRIDE;
virtual void GetEntry(const dbus::ObjectPath& profile_path,
const std::string& entry_path,
const DictionaryValueCallbackWithoutStatus& callback,
const ErrorCallback& error_callback) OVERRIDE;
virtual void DeleteEntry(const dbus::ObjectPath& profile_path,
const std::string& entry_path,
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE;
private:
typedef std::map<std::string, ShillClientHelper*> HelperMap;
// Returns the corresponding ShillClientHelper for the profile.
ShillClientHelper* GetHelper(const dbus::ObjectPath& profile_path);
dbus::Bus* bus_;
HelperMap helpers_;
STLValueDeleter<HelperMap> helpers_deleter_;
DISALLOW_COPY_AND_ASSIGN(ShillProfileClientImpl);
};
ShillProfileClientImpl::ShillProfileClientImpl(dbus::Bus* bus)
: bus_(bus),
helpers_deleter_(&helpers_) {
}
ShillClientHelper* ShillProfileClientImpl::GetHelper(
const dbus::ObjectPath& profile_path) {
HelperMap::iterator it = helpers_.find(profile_path.value());
if (it != helpers_.end())
return it->second;
// There is no helper for the profile, create it.
dbus::ObjectProxy* object_proxy =
bus_->GetObjectProxy(flimflam::kFlimflamServiceName, profile_path);
ShillClientHelper* helper = new ShillClientHelper(bus_, object_proxy);
helper->MonitorPropertyChanged(flimflam::kFlimflamProfileInterface);
helpers_.insert(HelperMap::value_type(profile_path.value(), helper));
return helper;
}
void ShillProfileClientImpl::GetProperties(
const dbus::ObjectPath& profile_path,
const DictionaryValueCallbackWithoutStatus& callback,
const ErrorCallback& error_callback) {
dbus::MethodCall method_call(flimflam::kFlimflamProfileInterface,
flimflam::kGetPropertiesFunction);
GetHelper(profile_path)->CallDictionaryValueMethodWithErrorCallback(
&method_call, callback, error_callback);
}
void ShillProfileClientImpl::GetEntry(
const dbus::ObjectPath& profile_path,
const std::string& entry_path,
const DictionaryValueCallbackWithoutStatus& callback,
const ErrorCallback& error_callback) {
dbus::MethodCall method_call(flimflam::kFlimflamProfileInterface,
flimflam::kGetEntryFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(entry_path);
GetHelper(profile_path)->CallDictionaryValueMethodWithErrorCallback(
&method_call, callback, error_callback);
}
void ShillProfileClientImpl::DeleteEntry(
const dbus::ObjectPath& profile_path,
const std::string& entry_path,
const base::Closure& callback,
const ErrorCallback& error_callback) {
dbus::MethodCall method_call(flimflam::kFlimflamProfileInterface,
flimflam::kDeleteEntryFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(entry_path);
GetHelper(profile_path)->CallVoidMethodWithErrorCallback(
&method_call, callback, error_callback);
}
// A stub implementation of ShillProfileClient.
class ShillProfileClientStubImpl : public ShillProfileClient {
public:
ShillProfileClientStubImpl() : weak_ptr_factory_(this) {}
virtual ~ShillProfileClientStubImpl() {}
//////////////////////////////////////
// ShillProfileClient overrides.
virtual void AddPropertyChangedObserver(
const dbus::ObjectPath& profile_path,
ShillPropertyChangedObserver* observer) OVERRIDE {}
virtual void RemovePropertyChangedObserver(
const dbus::ObjectPath& profile_path,
ShillPropertyChangedObserver* observer) OVERRIDE {}
virtual void GetProperties(
const dbus::ObjectPath& profile_path,
const DictionaryValueCallbackWithoutStatus& callback,
const ErrorCallback& error_callback) OVERRIDE {
if (callback.is_null())
return;
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&ShillProfileClientStubImpl::PassEmptyDictionaryValue,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
virtual void GetEntry(const dbus::ObjectPath& profile_path,
const std::string& entry_path,
const DictionaryValueCallbackWithoutStatus& callback,
const ErrorCallback& error_callback) OVERRIDE {
if (callback.is_null())
return;
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&ShillProfileClientStubImpl::PassEmptyDictionaryValue,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
virtual void DeleteEntry(const dbus::ObjectPath& profile_path,
const std::string& entry_path,
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE {
if (callback.is_null())
return;
MessageLoop::current()->PostTask(FROM_HERE, callback);
}
private:
void PassEmptyDictionaryValue(
const DictionaryValueCallbackWithoutStatus& callback) const {
base::DictionaryValue dictionary;
callback.Run(dictionary);
}
// Note: This should remain the last member so it'll be destroyed and
// invalidate its weak pointers before any other members are destroyed.
base::WeakPtrFactory<ShillProfileClientStubImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ShillProfileClientStubImpl);
};
} // namespace
ShillProfileClient::ShillProfileClient() {}
ShillProfileClient::~ShillProfileClient() {}
// static
ShillProfileClient* ShillProfileClient::Create(
DBusClientImplementationType type,
dbus::Bus* bus) {
if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
return new ShillProfileClientImpl(bus);
DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
return new ShillProfileClientStubImpl();
}
} // namespace chromeos
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