215 lines
7.5 KiB
Java
215 lines
7.5 KiB
Java
/**
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* Copyright (C) 2015 Open Whisper Systems
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*
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* This program 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.thoughtcrime.securesms.util;
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import android.annotation.SuppressLint;
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import android.app.Activity;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.os.Build.VERSION;
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import android.os.Build.VERSION_CODES;
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import android.support.annotation.IdRes;
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import android.support.annotation.LayoutRes;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v4.view.ViewCompat;
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import android.support.v4.view.animation.FastOutSlowInInterpolator;
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import android.text.TextUtils;
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import android.text.TextUtils.TruncateAt;
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import android.util.DisplayMetrics;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewStub;
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import android.view.animation.AlphaAnimation;
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import android.view.animation.Animation;
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import android.widget.LinearLayout.LayoutParams;
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import android.widget.TextView;
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import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
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import org.thoughtcrime.securesms.util.concurrent.SettableFuture;
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import org.thoughtcrime.securesms.util.views.Stub;
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public class ViewUtil {
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@SuppressWarnings("deprecation")
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public static void setBackground(final @NonNull View v, final @Nullable Drawable drawable) {
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if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
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v.setBackground(drawable);
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} else {
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v.setBackgroundDrawable(drawable);
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}
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}
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public static void setY(final @NonNull View v, final int y) {
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if (VERSION.SDK_INT >= 11) {
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ViewCompat.setY(v, y);
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} else {
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ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams)v.getLayoutParams();
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params.topMargin = y;
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v.setLayoutParams(params);
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}
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}
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public static float getY(final @NonNull View v) {
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if (VERSION.SDK_INT >= 11) {
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return ViewCompat.getY(v);
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} else {
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return ((ViewGroup.MarginLayoutParams)v.getLayoutParams()).topMargin;
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}
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}
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public static void setX(final @NonNull View v, final int x) {
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if (VERSION.SDK_INT >= 11) {
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ViewCompat.setX(v, x);
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} else {
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ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams)v.getLayoutParams();
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params.leftMargin = x;
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v.setLayoutParams(params);
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}
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}
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public static float getX(final @NonNull View v) {
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if (VERSION.SDK_INT >= 11) {
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return ViewCompat.getX(v);
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} else {
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return ((LayoutParams)v.getLayoutParams()).leftMargin;
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}
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}
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public static void swapChildInPlace(ViewGroup parent, View toRemove, View toAdd, int defaultIndex) {
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int childIndex = parent.indexOfChild(toRemove);
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if (childIndex > -1) parent.removeView(toRemove);
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parent.addView(toAdd, childIndex > -1 ? childIndex : defaultIndex);
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}
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public static CharSequence ellipsize(@Nullable CharSequence text, @NonNull TextView view) {
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if (TextUtils.isEmpty(text) || view.getWidth() == 0 || view.getEllipsize() != TruncateAt.END) {
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return text;
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} else {
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return TextUtils.ellipsize(text,
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view.getPaint(),
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view.getWidth() - view.getPaddingRight() - view.getPaddingLeft(),
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TruncateAt.END);
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}
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}
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@SuppressWarnings("unchecked")
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public static <T extends View> T inflateStub(@NonNull View parent, @IdRes int stubId) {
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return (T)((ViewStub)parent.findViewById(stubId)).inflate();
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}
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@SuppressWarnings("unchecked")
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public static <T extends View> T findById(@NonNull View parent, @IdRes int resId) {
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return (T) parent.findViewById(resId);
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}
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@SuppressWarnings("unchecked")
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public static <T extends View> T findById(@NonNull Activity parent, @IdRes int resId) {
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return (T) parent.findViewById(resId);
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}
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public static <T extends View> Stub<T> findStubById(@NonNull Activity parent, @IdRes int resId) {
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return new Stub<T>((ViewStub)parent.findViewById(resId));
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}
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private static Animation getAlphaAnimation(float from, float to, int duration) {
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final Animation anim = new AlphaAnimation(from, to);
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anim.setInterpolator(new FastOutSlowInInterpolator());
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anim.setDuration(duration);
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return anim;
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}
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public static void fadeIn(final @NonNull View view, final int duration) {
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animateIn(view, getAlphaAnimation(0f, 1f, duration));
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}
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public static ListenableFuture<Boolean> fadeOut(final @NonNull View view, final int duration) {
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return fadeOut(view, duration, View.GONE);
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}
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public static ListenableFuture<Boolean> fadeOut(@NonNull View view, int duration, int visibility) {
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return animateOut(view, getAlphaAnimation(1f, 0f, duration), visibility);
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}
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public static ListenableFuture<Boolean> animateOut(final @NonNull View view, final @NonNull Animation animation, final int visibility) {
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final SettableFuture future = new SettableFuture();
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if (view.getVisibility() == visibility) {
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future.set(true);
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} else {
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view.clearAnimation();
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animation.reset();
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animation.setStartTime(0);
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animation.setAnimationListener(new Animation.AnimationListener() {
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@Override
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public void onAnimationStart(Animation animation) {}
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@Override
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public void onAnimationRepeat(Animation animation) {}
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@Override
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public void onAnimationEnd(Animation animation) {
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view.setVisibility(visibility);
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future.set(true);
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}
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});
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view.startAnimation(animation);
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}
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return future;
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}
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public static void animateIn(final @NonNull View view, final @NonNull Animation animation) {
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if (view.getVisibility() == View.VISIBLE) return;
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view.clearAnimation();
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animation.reset();
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animation.setStartTime(0);
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view.setVisibility(View.VISIBLE);
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view.startAnimation(animation);
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}
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@SuppressWarnings("unchecked")
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public static <T extends View> T inflate(@NonNull LayoutInflater inflater,
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@NonNull ViewGroup parent,
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@LayoutRes int layoutResId)
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{
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return (T)(inflater.inflate(layoutResId, parent, false));
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}
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@SuppressLint("RtlHardcoded")
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public static void setTextViewGravityStart(final @NonNull TextView textView, @NonNull Context context) {
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if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
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if (DynamicLanguage.getLayoutDirection(context) == View.LAYOUT_DIRECTION_RTL) {
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textView.setGravity(Gravity.RIGHT);
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} else {
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textView.setGravity(Gravity.LEFT);
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}
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}
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}
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public static void mirrorIfRtl(View view, Context context) {
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if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1 &&
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DynamicLanguage.getLayoutDirection(context) == View.LAYOUT_DIRECTION_RTL) {
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view.setScaleX(-1.0f);
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}
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}
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public static int dpToPx(Context context, int dp) {
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return (int)((dp * context.getResources().getDisplayMetrics().density) + 0.5);
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}
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}
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