mirror of https://github.com/M66B/FairEmail.git
126 lines
4.1 KiB
Java
126 lines
4.1 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail 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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FairEmail 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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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2024 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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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;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.drawerlayout.widget.DrawerLayout;
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import java.util.ArrayList;
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public class DrawerLayoutEx extends DrawerLayout {
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public DrawerLayoutEx(@NonNull Context context) {
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super(context);
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}
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public DrawerLayoutEx(@NonNull Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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public DrawerLayoutEx(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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public boolean isLocked(View view) {
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return (getDrawerLockMode(view) != LOCK_MODE_UNLOCKED);
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}
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private boolean isLocked() {
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return (getDrawerLockMode(Gravity.LEFT) == LOCK_MODE_LOCKED_OPEN ||
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getDrawerLockMode(Gravity.RIGHT) == LOCK_MODE_LOCKED_OPEN);
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}
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@Override
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public boolean onInterceptTouchEvent(final MotionEvent ev) {
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if (isLocked()) {
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Rect rect = new Rect();
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getChildAt(1).getHitRect(rect);
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if (!rect.contains((int) ev.getX(), (int) ev.getY()))
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return false;
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}
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try {
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return super.onInterceptTouchEvent(ev);
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} catch (Throwable ex) {
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Log.w(ex);
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/*
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java.lang.NullPointerException: Attempt to get length of null array
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java.lang.NullPointerException: Attempt to get length of null array
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at androidx.customview.widget.ViewDragHelper.checkTouchSlop(SourceFile:1334)
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at androidx.drawerlayout.widget.DrawerLayout.onInterceptTouchEvent(SourceFile:1512)
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*/
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return false;
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}
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}
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@Override
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public boolean dispatchTouchEvent(MotionEvent ev) {
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try {
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return super.dispatchTouchEvent(ev);
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} catch (Throwable ex) {
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Log.w(ex);
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return false;
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}
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}
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@Override
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public boolean dispatchGenericMotionEvent(MotionEvent ev) {
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if (isLocked()) {
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View content = getChildAt(0);
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Rect rect = new Rect();
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content.getHitRect(rect);
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rect.left += content.getPaddingLeft();
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rect.right -= content.getPaddingRight();
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if (rect.contains((int) ev.getX(), (int) ev.getY()))
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return content.dispatchGenericMotionEvent(ev);
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}
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try {
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return super.dispatchGenericMotionEvent(ev);
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} catch (Throwable ex) {
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Log.w(ex);
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return false;
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}
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}
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@Override
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public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
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if (getDrawerLockMode(Gravity.LEFT) == LOCK_MODE_LOCKED_OPEN) {
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for (int i = 0; i < getChildCount(); i++) {
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View child = getChildAt(i);
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if (child.getVisibility() == View.VISIBLE && isContentView(child))
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child.addFocusables(views, direction, focusableMode);
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}
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} else
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super.addFocusables(views, direction, focusableMode);
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}
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boolean isContentView(View child) {
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return ((LayoutParams) child.getLayoutParams()).gravity == Gravity.NO_GRAVITY;
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}
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}
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