94 lines
3.9 KiB
Java
94 lines
3.9 KiB
Java
package com.wireguard.android.databinding;
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import android.databinding.BindingAdapter;
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import android.databinding.ObservableList;
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import android.databinding.adapters.ListenerUtil;
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import android.text.InputFilter;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import android.widget.TextView;
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import com.wireguard.android.R;
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import com.wireguard.android.util.Keyed;
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import com.wireguard.android.util.ObservableKeyedList;
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import com.wireguard.android.widget.ToggleSwitch;
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import com.wireguard.android.widget.ToggleSwitch.OnBeforeCheckedChangeListener;
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/**
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* Static methods for use by generated code in the Android data binding library.
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*/
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@SuppressWarnings({"unused"})
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public final class BindingAdapters {
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private BindingAdapters() {
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// Prevent instantiation.
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}
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@BindingAdapter({"checked"})
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public static void setChecked(final ToggleSwitch view, final boolean checked) {
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view.setCheckedInternal(checked);
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}
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@BindingAdapter({"filter"})
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public static void setFilter(final TextView view, final InputFilter filter) {
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view.setFilters(new InputFilter[]{filter});
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}
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@BindingAdapter({"items", "layout"})
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public static <E> void setItems(final LinearLayout view,
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final ObservableList<E> oldList, final int oldLayoutId,
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final ObservableList<E> newList, final int newLayoutId) {
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if (oldList == newList && oldLayoutId == newLayoutId)
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return;
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ItemChangeListener<E> listener = ListenerUtil.getListener(view, R.id.item_change_listener);
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// If the layout changes, any existing listener must be replaced.
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if (listener != null && oldList != null && oldLayoutId != newLayoutId) {
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listener.setList(null);
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listener = null;
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// Stop tracking the old listener.
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ListenerUtil.trackListener(view, null, R.id.item_change_listener);
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}
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// Avoid adding a listener when there is no new list or layout.
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if (newList == null || newLayoutId == 0)
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return;
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if (listener == null) {
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listener = new ItemChangeListener<>(view, newLayoutId);
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ListenerUtil.trackListener(view, listener, R.id.item_change_listener);
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}
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// Either the list changed, or this is an entirely new listener because the layout changed.
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listener.setList(newList);
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}
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@BindingAdapter({"items", "layout"})
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public static <K, E extends Keyed<? extends K>>
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void setItems(final ListView view,
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final ObservableKeyedList<K, E> oldList, final int oldLayoutId,
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final ObservableKeyedList<K, E> newList, final int newLayoutId) {
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if (oldList == newList && oldLayoutId == newLayoutId)
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return;
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// The ListAdapter interface is not generic, so this cannot be checked.
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@SuppressWarnings("unchecked") ObservableKeyedListAdapter<K, E> adapter =
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(ObservableKeyedListAdapter<K, E>) view.getAdapter();
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// If the layout changes, any existing adapter must be replaced.
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if (adapter != null && oldList != null && oldLayoutId != newLayoutId) {
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adapter.setList(null);
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adapter = null;
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}
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// Avoid setting an adapter when there is no new list or layout.
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if (newList == null || newLayoutId == 0)
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return;
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if (adapter == null) {
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adapter = new ObservableKeyedListAdapter<>(view.getContext(), newLayoutId, newList);
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view.setAdapter(adapter);
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}
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// Either the list changed, or this is an entirely new listener because the layout changed.
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adapter.setList(newList);
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}
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@BindingAdapter({"onBeforeCheckedChanged"})
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public static void setOnBeforeCheckedChanged(final ToggleSwitch view,
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final OnBeforeCheckedChangeListener listener) {
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view.setOnBeforeCheckedChangeListener(listener);
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}
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}
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