| /* |
| * Copyright (C) 2020 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. |
| */ |
| |
| package com.android.systemui.media |
| |
| import android.text.format.DateUtils |
| import androidx.annotation.UiThread |
| import androidx.lifecycle.Observer |
| import com.android.systemui.R |
| |
| /** |
| * Observer for changes from SeekBarViewModel. |
| * |
| * <p>Updates the seek bar views in response to changes to the model. |
| */ |
| class SeekBarObserver(private val holder: PlayerViewHolder) : Observer<SeekBarViewModel.Progress> { |
| |
| val seekBarEnabledMaxHeight = holder.seekBar.context.resources |
| .getDimensionPixelSize(R.dimen.qs_media_enabled_seekbar_height) |
| val seekBarDisabledHeight = holder.seekBar.context.resources |
| .getDimensionPixelSize(R.dimen.qs_media_disabled_seekbar_height) |
| val seekBarEnabledVerticalPadding = holder.seekBar.context.resources |
| .getDimensionPixelSize(R.dimen.qs_media_enabled_seekbar_vertical_padding) |
| val seekBarDisabledVerticalPadding = holder.seekBar.context.resources |
| .getDimensionPixelSize(R.dimen.qs_media_disabled_seekbar_vertical_padding) |
| |
| /** Updates seek bar views when the data model changes. */ |
| @UiThread |
| override fun onChanged(data: SeekBarViewModel.Progress) { |
| if (!data.enabled) { |
| if (holder.seekBar.maxHeight != seekBarDisabledHeight) { |
| holder.seekBar.maxHeight = seekBarDisabledHeight |
| setVerticalPadding(seekBarDisabledVerticalPadding) |
| } |
| holder.seekBar.setEnabled(false) |
| holder.seekBar.getThumb().setAlpha(0) |
| holder.seekBar.setProgress(0) |
| holder.elapsedTimeView.setText("") |
| holder.totalTimeView.setText("") |
| return |
| } |
| |
| holder.seekBar.getThumb().setAlpha(if (data.seekAvailable) 255 else 0) |
| holder.seekBar.setEnabled(data.seekAvailable) |
| |
| if (holder.seekBar.maxHeight != seekBarEnabledMaxHeight) { |
| holder.seekBar.maxHeight = seekBarEnabledMaxHeight |
| setVerticalPadding(seekBarEnabledVerticalPadding) |
| } |
| |
| data.duration?.let { |
| holder.seekBar.setMax(it) |
| holder.totalTimeView.setText(DateUtils.formatElapsedTime( |
| it / DateUtils.SECOND_IN_MILLIS)) |
| } |
| |
| data.elapsedTime?.let { |
| holder.seekBar.setProgress(it) |
| holder.elapsedTimeView.setText(DateUtils.formatElapsedTime( |
| it / DateUtils.SECOND_IN_MILLIS)) |
| } |
| } |
| |
| @UiThread |
| fun setVerticalPadding(padding: Int) { |
| val leftPadding = holder.seekBar.paddingLeft |
| val rightPadding = holder.seekBar.paddingRight |
| holder.seekBar.setPadding(leftPadding, padding, rightPadding, padding) |
| } |
| } |