mirror of https://github.com/M66B/FairEmail.git
94 lines
3.1 KiB
Java
94 lines
3.1 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2024 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.util.AttributeSet;
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import android.widget.ProgressBar;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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public class ContentLoadingProgressBar extends ProgressBar {
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private int visibility = VISIBLE;
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private boolean init = false;
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private int delay = VISIBILITY_DELAY;
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private boolean delaying = false;
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private static final int VISIBILITY_DELAY = 1500; // milliseconds
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public ContentLoadingProgressBar(@NonNull Context context) {
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this(context, null);
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}
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public ContentLoadingProgressBar(@NonNull Context context, @Nullable AttributeSet attrs) {
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super(context, attrs, 0);
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getAttr(context, attrs);
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}
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public ContentLoadingProgressBar(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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getAttr(context, attrs);
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}
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public ContentLoadingProgressBar(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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getAttr(context, attrs);
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}
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private void getAttr(Context context, AttributeSet attrs) {
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ContentLoadingProgressBar, 0, 0);
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this.delay = a.getInt(R.styleable.ContentLoadingProgressBar_show_delay, VISIBILITY_DELAY);
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}
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@Override
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public void setVisibility(int visibility) {
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this.visibility = visibility;
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if (visibility == VISIBLE) {
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if (delaying || (init && super.getVisibility() == VISIBLE))
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return;
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init = true;
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delaying = true;
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super.setVisibility(INVISIBLE);
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ApplicationEx.getMainHandler().postDelayed(delayedShow, delay);
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} else {
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ApplicationEx.getMainHandler().removeCallbacks(delayedShow);
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delaying = false;
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super.setVisibility(visibility);
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}
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}
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@Override
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public int getVisibility() {
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return this.visibility;
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}
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private final Runnable delayedShow = new Runnable() {
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@Override
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public void run() {
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delaying = false;
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if (visibility == VISIBLE)
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ContentLoadingProgressBar.super.setVisibility(VISIBLE);
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}
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};
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}
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