forked from GitHub-Mirror/riotX-android
98 lines
3.3 KiB
Kotlin
Executable File
98 lines
3.3 KiB
Kotlin
Executable File
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.riotredesign.core.platform
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import android.content.Context
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import android.util.AttributeSet
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import android.view.View
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import android.view.ViewGroup
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import android.widget.FrameLayout
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import im.vector.riotredesign.R
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import kotlinx.android.synthetic.main.view_state.view.*
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class StateView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyle: Int = 0)
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: FrameLayout(context, attrs, defStyle) {
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sealed class State {
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object Content : State()
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object Loading : State()
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data class Empty(val message: CharSequence? = null) : State()
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data class Error(val message: CharSequence? = null) : State()
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}
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private var eventCallback: EventCallback? = null
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var contentView: View? = null
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var state: State = State.Empty()
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set(newState) {
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if (newState != state) {
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update(newState)
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}
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}
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interface EventCallback {
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fun onRetryClicked()
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}
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init {
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View.inflate(context, R.layout.view_state, this)
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layoutParams = FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
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errorRetryView.setOnClickListener {
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eventCallback?.onRetryClicked()
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}
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state = State.Content
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}
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private fun update(newState: State) {
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when (newState) {
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is StateView.State.Content -> {
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progressBar.visibility = View.INVISIBLE
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errorView.visibility = View.INVISIBLE
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emptyView.visibility = View.INVISIBLE
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contentView?.visibility = View.VISIBLE
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}
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is StateView.State.Loading -> {
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progressBar.visibility = View.VISIBLE
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errorView.visibility = View.INVISIBLE
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emptyView.visibility = View.INVISIBLE
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contentView?.visibility = View.INVISIBLE
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}
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is StateView.State.Empty -> {
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progressBar.visibility = View.INVISIBLE
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errorView.visibility = View.INVISIBLE
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emptyView.visibility = View.VISIBLE
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emptyMessageView.text = newState.message
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if (contentView != null) {
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contentView!!.visibility = View.INVISIBLE
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}
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}
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is StateView.State.Error -> {
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progressBar.visibility = View.INVISIBLE
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errorView.visibility = View.VISIBLE
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emptyView.visibility = View.INVISIBLE
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errorMessageView.text = newState.message
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if (contentView != null) {
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contentView!!.visibility = View.INVISIBLE
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}
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}
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}
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}
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}
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