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// 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/screenlock_private/screenlock_private_api.h"
#include "base/lazy_instance.h"
#include "base/values.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/easy_unlock_service.h"
#include "chrome/common/extensions/api/screenlock_private.h"
#include "chrome/common/extensions/extension_constants.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "extensions/browser/event_router.h"
namespace screenlock = extensions::api::screenlock_private;
namespace extensions {
namespace {
screenlock::AuthType FromLockHandlerAuthType(
ScreenlockBridge::LockHandler::AuthType auth_type) {
switch (auth_type) {
case ScreenlockBridge::LockHandler::OFFLINE_PASSWORD:
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
case ScreenlockBridge::LockHandler::NUMERIC_PIN:
return screenlock::AUTH_TYPE_NUMERICPIN;
case ScreenlockBridge::LockHandler::USER_CLICK:
return screenlock::AUTH_TYPE_USERCLICK;
case ScreenlockBridge::LockHandler::ONLINE_SIGN_IN:
// Apps should treat forced online sign in same as system password.
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
case ScreenlockBridge::LockHandler::EXPAND_THEN_USER_CLICK:
// This type is used for public sessions, which do not support screen
// locking.
NOTREACHED();
return screenlock::AUTH_TYPE_NONE;
case ScreenlockBridge::LockHandler::FORCE_OFFLINE_PASSWORD:
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
}
NOTREACHED();
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
}
} // namespace
ScreenlockPrivateGetLockedFunction::ScreenlockPrivateGetLockedFunction() {}
ScreenlockPrivateGetLockedFunction::~ScreenlockPrivateGetLockedFunction() {}
bool ScreenlockPrivateGetLockedFunction::RunAsync() {
SetResult(new base::FundamentalValue(ScreenlockBridge::Get()->IsLocked()));
SendResponse(error_.empty());
return true;
}
ScreenlockPrivateSetLockedFunction::ScreenlockPrivateSetLockedFunction() {}
ScreenlockPrivateSetLockedFunction::~ScreenlockPrivateSetLockedFunction() {}
bool ScreenlockPrivateSetLockedFunction::RunAsync() {
scoped_ptr<screenlock::SetLocked::Params> params(
screenlock::SetLocked::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
if (params->locked) {
if (extension()->id() == extension_misc::kEasyUnlockAppId &&
AppWindowRegistry::Get(browser_context())
->GetAppWindowForAppAndKey(extension()->id(),
"easy_unlock_pairing")) {
// Mark the Easy Unlock behaviour on the lock screen as the one initiated
// by the Easy Unlock setup app as a trial one.
// TODO(tbarzic): Move this logic to a new easyUnlockPrivate function.
EasyUnlockService* service = EasyUnlockService::Get(GetProfile());
if (service)
service->SetTrialRun();
}
ScreenlockBridge::Get()->Lock(GetProfile());
} else {
ScreenlockBridge::Get()->Unlock(GetProfile());
}
SendResponse(error_.empty());
return true;
}
ScreenlockPrivateAcceptAuthAttemptFunction::
ScreenlockPrivateAcceptAuthAttemptFunction() {}
ScreenlockPrivateAcceptAuthAttemptFunction::
~ScreenlockPrivateAcceptAuthAttemptFunction() {}
bool ScreenlockPrivateAcceptAuthAttemptFunction::RunSync() {
scoped_ptr<screenlock::AcceptAuthAttempt::Params> params(
screenlock::AcceptAuthAttempt::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
Profile* profile = Profile::FromBrowserContext(browser_context());
EasyUnlockService* service = EasyUnlockService::Get(profile);
if (service)
service->FinalizeUnlock(params->accept);
return true;
}
ScreenlockPrivateEventRouter::ScreenlockPrivateEventRouter(
content::BrowserContext* context)
: browser_context_(context) {
ScreenlockBridge::Get()->AddObserver(this);
}
ScreenlockPrivateEventRouter::~ScreenlockPrivateEventRouter() {}
void ScreenlockPrivateEventRouter::OnScreenDidLock(
ScreenlockBridge::LockHandler::ScreenType screen_type) {
DispatchEvent(screenlock::OnChanged::kEventName,
new base::FundamentalValue(true));
}
void ScreenlockPrivateEventRouter::OnScreenDidUnlock(
ScreenlockBridge::LockHandler::ScreenType screen_type) {
DispatchEvent(screenlock::OnChanged::kEventName,
new base::FundamentalValue(false));
}
void ScreenlockPrivateEventRouter::OnFocusedUserChanged(
const std::string& user_id) {
}
void ScreenlockPrivateEventRouter::DispatchEvent(
const std::string& event_name,
base::Value* arg) {
scoped_ptr<base::ListValue> args(new base::ListValue());
if (arg)
args->Append(arg);
scoped_ptr<extensions::Event> event(new extensions::Event(
event_name, args.Pass()));
extensions::EventRouter::Get(browser_context_)->BroadcastEvent(event.Pass());
}
static base::LazyInstance<extensions::BrowserContextKeyedAPIFactory<
ScreenlockPrivateEventRouter> > g_factory = LAZY_INSTANCE_INITIALIZER;
// static
extensions::BrowserContextKeyedAPIFactory<ScreenlockPrivateEventRouter>*
ScreenlockPrivateEventRouter::GetFactoryInstance() {
return g_factory.Pointer();
}
void ScreenlockPrivateEventRouter::Shutdown() {
ScreenlockBridge::Get()->RemoveObserver(this);
}
bool ScreenlockPrivateEventRouter::OnAuthAttempted(
ScreenlockBridge::LockHandler::AuthType auth_type,
const std::string& value) {
extensions::EventRouter* router =
extensions::EventRouter::Get(browser_context_);
if (!router->HasEventListener(screenlock::OnAuthAttempted::kEventName))
return false;
scoped_ptr<base::ListValue> args(new base::ListValue());
args->AppendString(screenlock::ToString(FromLockHandlerAuthType(auth_type)));
args->AppendString(value);
scoped_ptr<extensions::Event> event(new extensions::Event(
screenlock::OnAuthAttempted::kEventName, args.Pass()));
router->BroadcastEvent(event.Pass());
return true;
}
} // namespace extensions
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