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

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Java
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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 2018-2019 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.Configuration;
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import android.graphics.Color;
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import android.graphics.Rect;
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import android.util.AttributeSet;
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import android.view.Gravity;
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import android.view.MotionEvent;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
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import androidx.appcompat.app.ActionBarDrawerToggle;
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import androidx.drawerlayout.widget.DrawerLayout;
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import androidx.preference.PreferenceManager;
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public class DrawerLayoutEx extends DrawerLayout {
public DrawerLayoutEx(@NonNull Context context) {
super(context);
}
public DrawerLayoutEx(@NonNull Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
}
public DrawerLayoutEx(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
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void setup(Configuration config, View drawerContainer, ActionBarDrawerToggle drawerToggle) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
boolean normal = config.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_NORMAL);
boolean landscape = prefs.getBoolean("landscape", true);
boolean landscape3 = prefs.getBoolean("landscape3", true);
if (normal && landscape && landscape3 &&
config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
setScrimColor(Color.TRANSPARENT);
openDrawer(drawerContainer, false);
drawerToggle.onDrawerOpened(drawerContainer);
} else {
setScrimColor(Helper.resolveColor(getContext(), R.attr.colorDrawerScrim));
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closeDrawer(drawerContainer, false);
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drawerToggle.onDrawerClosed(drawerContainer);
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}
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}
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public boolean isLocked(View view) {
return (getDrawerLockMode(view) != LOCK_MODE_UNLOCKED);
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}
public boolean isLocked() {
return (getDrawerLockMode(Gravity.LEFT) == LOCK_MODE_LOCKED_OPEN ||
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getDrawerLockMode(Gravity.RIGHT) == LOCK_MODE_LOCKED_OPEN);
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}
@Override
public boolean onInterceptTouchEvent(final MotionEvent ev) {
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if (isLocked()) {
Rect rect = new Rect();
getChildAt(1).getHitRect(rect);
if (!rect.contains((int) ev.getX(), (int) ev.getY()))
return false;
}
return super.onInterceptTouchEvent(ev);
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}
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@Override
public boolean dispatchGenericMotionEvent(MotionEvent ev) {
if (isLocked()) {
View content = getChildAt(0);
Rect rect = new Rect();
content.getHitRect(rect);
rect.left += content.getPaddingLeft();
rect.right -= content.getPaddingRight();
if (rect.contains((int) ev.getX(), (int) ev.getY()))
return content.dispatchGenericMotionEvent(ev);
}
return super.dispatchGenericMotionEvent(ev);
}
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}