| // Copyright 2019 The Fuchsia 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 "src/ui/bin/activity/activity_state_machine.h" |
| |
| #include <fuchsia/ui/activity/cpp/fidl.h> |
| #include <lib/zx/time.h> |
| |
| #include <optional> |
| |
| namespace activity { |
| |
| namespace fua = fuchsia::ui::activity; |
| |
| const ActivityStateMachine::StateTable ActivityStateMachine::kStateTable{ |
| {{fua::State::IDLE, activity::Event::USER_INPUT}, fua::State::ACTIVE}, |
| {{fua::State::ACTIVE, activity::Event::TIMEOUT}, fua::State::IDLE}, |
| }; |
| |
| const zx::duration ActivityStateMachine::kIdleDuration = zx::min(15); |
| |
| void ActivityStateMachine::ReceiveEvent(Event event) { |
| const auto& next_state = kStateTable.find(std::make_pair(state_, event)); |
| if (next_state != kStateTable.end()) { |
| state_ = next_state->second; |
| } |
| } |
| |
| std::optional<zx::duration> ActivityStateMachine::TimeoutFor( |
| const fuchsia::ui::activity::State state) { |
| switch (state) { |
| case fuchsia::ui::activity::State::ACTIVE: |
| return kIdleDuration; |
| default: |
| return std::nullopt; |
| } |
| } |
| |
| } // namespace activity |