Display.java

/*
 * Copyright (C) 2015 Federico Iosue (federico.iosue@gmail.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package it.feio.android.omninotes.utils;

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Point;
import android.graphics.Rect;
import android.os.Build;
import android.support.v7.app.ActionBarActivity;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;


public class Display {


    public static View getRootView(Activity mActivity) {
        return mActivity.getWindow().getDecorView().findViewById(android.R.id.content);
    }


    @SuppressWarnings("deprecation")
    @SuppressLint("NewApi")
    public static Point getUsableSize(Context mContext) {
        Point displaySize = new Point();
        try {
            WindowManager manager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
            if (manager != null) {
                android.view.Display display = manager.getDefaultDisplay();
                if (display != null) {
                    if (android.os.Build.VERSION.SDK_INT < 13) {
                        displaySize.set(display.getWidth(), display.getHeight());
                    } else {
                        display.getSize(displaySize);
                    }
                }
            }
        } catch (Exception e) {
            Log.e(Constants.TAG , "Error checking display sizes", e);
        }
        return displaySize;
    }


    public static Point getVisibleSize(Activity activity) {
        Point displaySize = new Point();
        Rect r = new Rect();
		activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(r);
        displaySize.x = r.right - r.left;
        displaySize.y = r.bottom - r.top;
        return displaySize;
    }


    public static Point getFullSize(View view) {
        Point displaySize = new Point();
        displaySize.x = view.getRootView().getWidth();
        displaySize.y = view.getRootView().getHeight();
        return displaySize;
    }


    public static int getStatusBarHeight(Context mContext) {
        int result = 0;
        int resourceId = mContext.getResources().getIdentifier("status_bar_height", "dimen", "android");
        if (resourceId > 0) {
            result = mContext.getResources().getDimensionPixelSize(resourceId);
        }
        return result;
    }


    public static int getNavigationBarHeightStandard(Context mContext) {
        int resourceId = mContext.getResources().getIdentifier("navigation_bar_height", "dimen", "android");
        if (resourceId > 0) {
            return mContext.getResources().getDimensionPixelSize(resourceId);
        }
        return 0;
    }


    public static int getNavigationBarHeight(View view) {
        return (getFullSize(view).y - getUsableSize(view.getContext()).y);
    }


    @SuppressLint("NewApi")
    public static int getActionbarHeight(Object mObject) {
        int res = 0;
		if (ActionBarActivity.class.isAssignableFrom(mObject.getClass())) {
			res = ((ActionBarActivity) mObject).getSupportActionBar().getHeight();
		} else if (Activity.class.isAssignableFrom(mObject.getClass())) {
            res = ((Activity) mObject).getActionBar().getHeight();
        }
        return res;
    }

//	public static int getActionBarHeight(Activity mActivity) {
//		Rect r = new Rect();
//		Window window = mActivity.getWindow();
//		window.getDecorView().getWindowVisibleDisplayFrame(r);
//		int StatusBarHeight = r.top;
//		int contentViewTop = window.findViewById(Window.ID_ANDROID_CONTENT).getTop();
//		int actionBarHeight = contentViewTop - StatusBarHeight;
//		return actionBarHeight;
//	}


    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
    public static Point getScreenDimensions(Context mContext) {
        WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
        android.view.Display display = wm.getDefaultDisplay();
        Point size = new Point();
        DisplayMetrics metrics = new DisplayMetrics();
        display.getRealMetrics(metrics);
        size.x = metrics.widthPixels;
        size.y = metrics.heightPixels;
        return size;
    }


    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
    public static int getNavigationBarHeightKitkat(Context mContext) {
        return getScreenDimensions(mContext).y - getUsableSize(mContext).y;
    }


	public static boolean orientationLandscape(Context context) {
		return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
	}


}