im.ene.ribbon.MiscUtils.java Source code

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Here is the source code for im.ene.ribbon.MiscUtils.java

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/*
 * Copyright 2016 Nam Nguyen, nam@ene.im
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Alessandro Crugnola
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package im.ene.ribbon;

import android.animation.Animator;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.res.ColorStateList;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.RippleDrawable;
import android.os.Build;
import android.support.annotation.AttrRes;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v4.view.ViewCompat;
import android.util.Log;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;

import static android.view.WindowManager.LayoutParams;

final class MiscUtils {

    private MiscUtils() {
        throw new AssertionError("Illegal initialization!");
    }

    /**
     * Returns if the current theme has the translucent status bar enabled
     *
     * @param activity context
     * @return true if the current theme has the translucent status bar
     */
    static boolean hasTranslucentStatusBar(@Nullable final Activity activity) {
        return activity != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && //
                ((activity.getWindow().getAttributes().flags
                        & LayoutParams.FLAG_TRANSLUCENT_STATUS) == LayoutParams.FLAG_TRANSLUCENT_STATUS);
    }

    /**
     * Returns true if the current theme has declared the botton navigation as translucent
     *
     * @param activity context
     * @return true if the activity has the translucent navigation enabled
     */
    static boolean hasTranslucentNavigationBar(@Nullable final Activity activity) {
        return activity != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
                && ((activity.getWindow().getAttributes().flags
                        & LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
    }

    /**
     * Returns the current theme defined color
     */
    static int getColor(Context context, @AttrRes int color) {
        TypedValue tv = new TypedValue();
        context.getTheme().resolveAttribute(color, tv, true);
        return tv.data;
    }

    static void setDrawableColor(@NonNull final Drawable drawable, final int color) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && drawable instanceof RippleDrawable) {
            ((RippleDrawable) drawable).setColor(ColorStateList.valueOf(color));
        } else {
            DrawableCompat.setTint(drawable, color);
        }
    }

    @SuppressLint("RtlHardcoded")
    static boolean isGravityLeft(final int gravity) {
        return gravity == Gravity.LEFT;
    }

    @SuppressLint("RtlHardcoded")
    static boolean isGravityRight(final int gravity) {
        return gravity == Gravity.RIGHT;
    }

    static boolean isGravityBottom(final int gravity) {
        return gravity == Gravity.BOTTOM;
    }

    protected static void switchColor(final BottomNavigationView navigation, final View v,
            final View backgroundOverlay, final ColorDrawable backgroundDrawable, final int newColor) {

        backgroundOverlay.clearAnimation();

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Animator currentAnimator = (Animator) backgroundOverlay.getTag(R.id.ribbon_background_overlay_animator);
            if (null != currentAnimator) {
                currentAnimator.cancel();
            }
        }

        backgroundDrawable.setColor(newColor);
        backgroundOverlay.setVisibility(View.INVISIBLE);
        ViewCompat.setAlpha(backgroundOverlay, 1);
    }

    public static void log(final String tag, final int level, String message, Object... arguments) {
        if (BottomNavigationView.DEBUG) {
            Log.println(level, tag, String.format(message, arguments));
        }
    }

    @Nullable
    static Activity getActivity(@Nullable Context context) {
        if (context == null) {
            return null;
        } else if (context instanceof Activity) {
            return (Activity) context;
        } else if (context instanceof ContextWrapper) {
            return getActivity(((ContextWrapper) context).getBaseContext());
        }
        return null;
    }
}