FairEmail/app/src/main/java/eu/faircode/email/ViewImageHint.java

package eu.faircode.email;

/*
    This file is part of FairEmail.

    FairEmail 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.

    FairEmail 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 FairEmail.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2018-2022 by Marcel Bokhorst (M66B)
*/

import android.content.Context;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.AppCompatImageView;

public class ViewImageHint extends AppCompatImageView implements View.OnClickListener {
    public ViewImageHint(@NonNull Context context) {
        super(context);
        setOnClickListener(this);
    }

    public ViewImageHint(@NonNull Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        setOnClickListener(this);
    }

    public ViewImageHint(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        String title = getContentDescription().toString();
        if (!TextUtils.isEmpty(title)) {
            int[] pos = new int[2];
            getLocationOnScreen(pos);
            int dp6 = Helper.dp2pixels(v.getContext(), 6);

            Toast toast = ToastEx.makeTextBw(getContext(), title, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.TOP | Gravity.START, pos[0], pos[1] + dp6);
            toast.show();
        }
    }
}