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/*
* Copyright (C) 2012 Google Inc.
* Licensed to The Android Open Source Project.
*
* 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.
*/
package com.android.dialer.list;
import android.content.Context;
import android.content.res.Configuration;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.widget.ListView;
import com.android.dialer.R;
import com.android.dialer.list.PhoneFavoritesTileAdapter.ContactTileRow;
import com.android.dialer.list.SwipeHelper.OnItemGestureListener;
import com.android.dialer.list.SwipeHelper.SwipeHelperCallback;
/**
* Copy of packages/apps/UnifiedEmail - com.android.mail.ui.Swipeable with changes.
*/
public class SwipeableListView extends ListView implements SwipeHelperCallback {
private SwipeHelper mSwipeHelper;
private boolean mEnableSwipe = true;
public static final String LOG_TAG = SwipeableListView.class.getSimpleName();
private OnItemGestureListener mOnItemGestureListener;
public SwipeableListView(Context context) {
this(context, null);
}
public SwipeableListView(Context context, AttributeSet attrs) {
this(context, attrs, -1);
}
public SwipeableListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
float densityScale = getResources().getDisplayMetrics().density;
float pagingTouchSlop = ViewConfiguration.get(context).getScaledPagingTouchSlop();
mSwipeHelper = new SwipeHelper(context, SwipeHelper.X, this, densityScale,
pagingTouchSlop);
setItemsCanFocus(true);
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
float densityScale = getResources().getDisplayMetrics().density;
mSwipeHelper.setDensityScale(densityScale);
float pagingTouchSlop = ViewConfiguration.get(getContext()).getScaledPagingTouchSlop();
mSwipeHelper.setPagingTouchSlop(pagingTouchSlop);
}
/**
* Enable swipe gestures.
*/
public void enableSwipe(boolean enable) {
mEnableSwipe = enable;
}
public boolean isSwipeEnabled() {
return mEnableSwipe && mOnItemGestureListener.isSwipeEnabled();
}
public void setOnItemSwipeListener(OnItemGestureListener listener) {
mOnItemGestureListener = listener;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (isSwipeEnabled()) {
return mSwipeHelper.onInterceptTouchEvent(ev) || super.onInterceptTouchEvent(ev);
} else {
return super.onInterceptTouchEvent(ev);
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (mOnItemGestureListener != null) {
mOnItemGestureListener.onTouch();
}
if (isSwipeEnabled()) {
return mSwipeHelper.onTouchEvent(ev) || super.onTouchEvent(ev);
} else {
return super.onTouchEvent(ev);
}
}
@Override
public View getChildAtPosition(MotionEvent ev) {
// find the view under the pointer, accounting for GONE views
final int count = getChildCount();
final int touchY = (int) ev.getY();
View slidingChild;
for (int childIdx = 0; childIdx < count; childIdx++) {
slidingChild = getChildAt(childIdx);
if (slidingChild.getVisibility() == GONE) {
continue;
}
if (touchY >= slidingChild.getTop() && touchY <= slidingChild.getBottom()) {
if (SwipeHelper.isSwipeable(slidingChild)) {
// If this view is swipable in this listview, then return it. Otherwise
// return a null view, which will simply be ignored by the swipe helper.
return slidingChild;
} else {
return null;
}
}
}
return null;
}
@Override
public View getChildContentView(View view) {
return view.findViewById(R.id.contact_favorite_card);
}
@Override
public void onScroll() {}
@Override
public boolean canChildBeDismissed(View v) {
return SwipeHelper.isSwipeable(v);
}
@Override
public void onChildDismissed(final View v) {
if (v != null) {
if (mOnItemGestureListener != null) {
mOnItemGestureListener.onSwipe(v);
}
}
}
@Override
public void onDragCancelled(View v) {
}
@Override
public void onBeginDrag(View v) {
final View tileRow = (View) v.getParent();
// We do this so the underlying ScrollView knows that it won't get
// the chance to intercept events anymore
requestDisallowInterceptTouchEvent(true);
}
}
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