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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.
#include "components/gcm_driver/account_tracker.h"
#include "base/containers/contains.h"
#include "base/logging.h"
#include "base/trace_event/trace_event.h"
#include "components/signin/public/identity_manager/access_token_info.h"
namespace gcm {
AccountTracker::AccountTracker(signin::IdentityManager* identity_manager)
: identity_manager_(identity_manager), shutdown_called_(false) {
identity_manager_->AddObserver(this);
}
AccountTracker::~AccountTracker() {
DCHECK(shutdown_called_);
}
void AccountTracker::Shutdown() {
shutdown_called_ = true;
identity_manager_->RemoveObserver(this);
}
void AccountTracker::AddObserver(Observer* observer) {
observer_list_.AddObserver(observer);
}
void AccountTracker::RemoveObserver(Observer* observer) {
observer_list_.RemoveObserver(observer);
}
std::vector<CoreAccountInfo> AccountTracker::GetAccounts() const {
const CoreAccountId active_account_id =
identity_manager_->GetPrimaryAccountId(signin::ConsentLevel::kSync);
std::vector<CoreAccountInfo> accounts;
for (auto it = accounts_.begin(); it != accounts_.end(); ++it) {
const AccountState& state = it->second;
DCHECK(!state.account.account_id.empty());
DCHECK(!state.account.gaia.empty());
DCHECK(!state.account.email.empty());
bool is_visible = state.is_signed_in;
if (it->first == active_account_id) {
if (is_visible)
accounts.insert(accounts.begin(), state.account);
else
return std::vector<CoreAccountInfo>();
} else if (is_visible) {
accounts.push_back(state.account);
}
}
return accounts;
}
void AccountTracker::OnRefreshTokenUpdatedForAccount(
const CoreAccountInfo& account_info) {
TRACE_EVENT1("identity", "AccountTracker::OnRefreshTokenUpdatedForAccount",
"account_id", account_info.account_id.ToString());
// Ignore refresh tokens if there is no active account ID at all.
if (!identity_manager_->HasPrimaryAccount(signin::ConsentLevel::kSync))
return;
DVLOG(1) << "AVAILABLE " << account_info.account_id;
StartTrackingAccount(account_info);
UpdateSignInState(account_info.account_id, /*is_signed_in=*/true);
}
void AccountTracker::OnRefreshTokenRemovedForAccount(
const CoreAccountId& account_id) {
TRACE_EVENT1("identity", "AccountTracker::OnRefreshTokenRemovedForAccount",
"account_id", account_id.ToString());
DVLOG(1) << "REVOKED " << account_id;
UpdateSignInState(account_id, /*is_signed_in=*/false);
}
void AccountTracker::OnPrimaryAccountChanged(
const signin::PrimaryAccountChangeEvent& event) {
switch (event.GetEventTypeFor(signin::ConsentLevel::kSync)) {
case signin::PrimaryAccountChangeEvent::Type::kSet: {
TRACE_EVENT0("identity", "AccountTracker::OnPrimaryAccountSet");
std::vector<CoreAccountInfo> accounts =
identity_manager_->GetAccountsWithRefreshTokens();
DVLOG(1) << "LOGIN " << accounts.size() << " accounts available.";
for (const CoreAccountInfo& account_info : accounts) {
StartTrackingAccount(account_info);
UpdateSignInState(account_info.account_id, /*is_signed_in=*/true);
}
break;
}
case signin::PrimaryAccountChangeEvent::Type::kCleared: {
TRACE_EVENT0("identity", "AccountTracker::OnPrimaryAccountCleared");
DVLOG(1) << "LOGOUT";
StopTrackingAllAccounts();
break;
}
case signin::PrimaryAccountChangeEvent::Type::kNone:
break;
}
}
void AccountTracker::UpdateSignInState(const CoreAccountId& account_id,
bool is_signed_in) {
if (!is_signed_in && !base::Contains(accounts_, account_id))
return;
DCHECK(base::Contains(accounts_, account_id));
AccountState& account = accounts_[account_id];
if (account.is_signed_in == is_signed_in)
return;
account.is_signed_in = is_signed_in;
for (auto& observer : observer_list_)
observer.OnAccountSignInChanged(account.account, account.is_signed_in);
}
void AccountTracker::StartTrackingAccount(const CoreAccountInfo& account) {
if (base::Contains(accounts_, account.account_id))
return;
DVLOG(1) << "StartTracking " << account.account_id;
AccountState account_state;
account_state.account = account;
account_state.is_signed_in = false;
accounts_.insert(std::make_pair(account.account_id, account_state));
}
void AccountTracker::StopTrackingAccount(const CoreAccountId account_id) {
DVLOG(1) << "StopTracking " << account_id;
if (base::Contains(accounts_, account_id)) {
UpdateSignInState(account_id, /*is_signed_in=*/false);
accounts_.erase(account_id);
}
}
void AccountTracker::StopTrackingAllAccounts() {
while (!accounts_.empty())
StopTrackingAccount(accounts_.begin()->first);
}
} // namespace gcm
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