diff options
Diffstat (limited to 'ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt')
| -rw-r--r-- | ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt b/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt new file mode 100644 index 00000000..afba41cb --- /dev/null +++ b/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt @@ -0,0 +1,194 @@ +/* + * Copyright © 2017-2023 WireGuard LLC. All Rights Reserved. + * SPDX-License-Identifier: Apache-2.0 + */ +package com.wireguard.android.databinding + +import android.text.InputFilter +import android.view.LayoutInflater +import android.view.View +import android.widget.EditText +import android.widget.LinearLayout +import android.widget.TextView +import androidx.databinding.BindingAdapter +import androidx.databinding.DataBindingUtil +import androidx.databinding.ObservableList +import androidx.databinding.ViewDataBinding +import androidx.databinding.adapters.ListenerUtil +import androidx.fragment.app.Fragment +import androidx.recyclerview.widget.LinearLayoutManager +import androidx.recyclerview.widget.RecyclerView +import com.wireguard.android.BR +import com.wireguard.android.R +import com.wireguard.android.databinding.ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler +import com.wireguard.android.widget.ToggleSwitch +import com.wireguard.android.widget.ToggleSwitch.OnBeforeCheckedChangeListener +import com.wireguard.android.widget.TvCardView +import com.wireguard.config.Attribute +import com.wireguard.config.InetNetwork +import java.net.InetAddress +import java.util.Optional + +/** + * Static methods for use by generated code in the Android data binding library. + */ +object BindingAdapters { + @JvmStatic + @BindingAdapter("checked") + fun setChecked(view: ToggleSwitch, checked: Boolean) { + view.setCheckedInternal(checked) + } + + @JvmStatic + @BindingAdapter("filter") + fun setFilter(view: TextView, filter: InputFilter) { + view.filters = arrayOf(filter) + } + + @JvmStatic + @BindingAdapter("items", "layout", "fragment") + fun <E> setItems( + view: LinearLayout, + oldList: ObservableList<E>?, oldLayoutId: Int, @Suppress("UNUSED_PARAMETER") oldFragment: Fragment?, + newList: ObservableList<E>?, newLayoutId: Int, newFragment: Fragment? + ) { + if (oldList === newList && oldLayoutId == newLayoutId) + return + var listener: ItemChangeListener<E>? = ListenerUtil.getListener(view, R.id.item_change_listener) + // If the layout changes, any existing listener must be replaced. + if (listener != null && oldList != null && oldLayoutId != newLayoutId) { + listener.setList(null) + listener = null + // Stop tracking the old listener. + ListenerUtil.trackListener<Any?>(view, null, R.id.item_change_listener) + } + // Avoid adding a listener when there is no new list or layout. + if (newList == null || newLayoutId == 0) + return + if (listener == null) { + listener = ItemChangeListener(view, newLayoutId, newFragment) + ListenerUtil.trackListener(view, listener, R.id.item_change_listener) + } + // Either the list changed, or this is an entirely new listener because the layout changed. + listener.setList(newList) + } + + @JvmStatic + @BindingAdapter("items", "layout") + fun <E> setItems( + view: LinearLayout, + oldList: Iterable<E>?, oldLayoutId: Int, + newList: Iterable<E>?, newLayoutId: Int + ) { + if (oldList === newList && oldLayoutId == newLayoutId) + return + view.removeAllViews() + if (newList == null) + return + val layoutInflater = LayoutInflater.from(view.context) + for (item in newList) { + val binding = DataBindingUtil.inflate<ViewDataBinding>(layoutInflater, newLayoutId, view, false) + binding.setVariable(BR.collection, newList) + binding.setVariable(BR.item, item) + binding.executePendingBindings() + view.addView(binding.root) + } + } + + @JvmStatic + @BindingAdapter(requireAll = false, value = ["items", "layout", "configurationHandler"]) + fun <K, E : Keyed<out K>> setItems( + view: RecyclerView, + oldList: ObservableKeyedArrayList<K, E>?, oldLayoutId: Int, + @Suppress("UNUSED_PARAMETER") oldRowConfigurationHandler: RowConfigurationHandler<*, *>?, + newList: ObservableKeyedArrayList<K, E>?, newLayoutId: Int, + newRowConfigurationHandler: RowConfigurationHandler<*, *>? + ) { + if (view.layoutManager == null) + view.layoutManager = LinearLayoutManager(view.context, RecyclerView.VERTICAL, false) + if (oldList === newList && oldLayoutId == newLayoutId) + return + // The ListAdapter interface is not generic, so this cannot be checked. + @Suppress("UNCHECKED_CAST") var adapter = view.adapter as? ObservableKeyedRecyclerViewAdapter<K, E>? + // If the layout changes, any existing adapter must be replaced. + if (adapter != null && oldList != null && oldLayoutId != newLayoutId) { + adapter.setList(null) + adapter = null + } + // Avoid setting an adapter when there is no new list or layout. + if (newList == null || newLayoutId == 0) + return + if (adapter == null) { + adapter = ObservableKeyedRecyclerViewAdapter(view.context, newLayoutId, newList) + view.adapter = adapter + } + adapter.setRowConfigurationHandler(newRowConfigurationHandler) + // Either the list changed, or this is an entirely new listener because the layout changed. + adapter.setList(newList) + } + + @JvmStatic + @BindingAdapter("onBeforeCheckedChanged") + fun setOnBeforeCheckedChanged( + view: ToggleSwitch, + listener: OnBeforeCheckedChangeListener? + ) { + view.setOnBeforeCheckedChangeListener(listener) + } + + @JvmStatic + @BindingAdapter("onFocusChange") + fun setOnFocusChange( + view: EditText, + listener: View.OnFocusChangeListener? + ) { + view.onFocusChangeListener = listener + } + + @JvmStatic + @BindingAdapter("android:text") + fun setOptionalText(view: TextView, text: Optional<*>?) { + view.text = text?.map { it.toString() }?.orElse("") ?: "" + } + + @JvmStatic + @BindingAdapter("android:text") + fun setInetNetworkSetText(view: TextView, networks: Iterable<InetNetwork?>?) { + view.text = if (networks != null) Attribute.join(networks) else "" + } + + @JvmStatic + @BindingAdapter("android:text") + fun setInetAddressSetText(view: TextView, addresses: Iterable<InetAddress?>?) { + view.text = if (addresses != null) Attribute.join(addresses.map { it?.hostAddress }) else "" + } + + @JvmStatic + @BindingAdapter("android:text") + fun setStringSetText(view: TextView, strings: Iterable<String?>?) { + view.text = if (strings != null) Attribute.join(strings) else "" + } + + @JvmStatic + fun tryParseInt(s: String?): Int { + if (s == null) + return 0 + return try { + Integer.parseInt(s) + } catch (_: Throwable) { + 0 + } + } + + @JvmStatic + @BindingAdapter("isUp") + fun setIsUp(card: TvCardView, up: Boolean) { + card.isUp = up + } + + @JvmStatic + @BindingAdapter("isDeleting") + fun setIsDeleting(card: TvCardView, deleting: Boolean) { + card.isDeleting = deleting + } +} |