| /* |
| * Copyright 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "animation_marquee.h" |
| |
| AnimationMarquee::AnimationMarquee( |
| android::sp<brillo::examples::ledflasher::ILEDService> led_service, |
| const base::TimeDelta& duration, |
| Direction direction) |
| : Animation{led_service, duration / num_leds}, direction_{direction} { |
| } |
| |
| void AnimationMarquee::DoAnimationStep() { |
| SetAllLEDs(false); |
| SetLED(current_led_, true); |
| if (direction_ == Direction::Right) { |
| if (current_led_ == 0) |
| current_led_ = num_leds; |
| --current_led_; |
| } else { |
| current_led_++; |
| if (current_led_ == num_leds) |
| current_led_ = 0; |
| } |
| } |