/*
* Copyright (C) 2015 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 android.support.v4.view;
import android.util.Log;
import android.view.View;
import android.view.ViewParent;
class ViewParentCompatLollipop {
private static final String TAG = "ViewParentCompat";
public static boolean onStartNestedScroll(ViewParent parent, View child, View target,
int nestedScrollAxes) {
try {
return parent.onStartNestedScroll(child, target, nestedScrollAxes);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onStartNestedScroll", e);
return false;
}
}
public static void onNestedScrollAccepted(ViewParent parent, View child, View target,
int nestedScrollAxes) {
try {
parent.onNestedScrollAccepted(child, target, nestedScrollAxes);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onNestedScrollAccepted", e);
}
}
public static void onStopNestedScroll(ViewParent parent, View target) {
try {
parent.onStopNestedScroll(target);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onStopNestedScroll", e);
}
}
public static void onNestedScroll(ViewParent parent, View target, int dxConsumed,
int dyConsumed, int dxUnconsumed, int dyUnconsumed) {
try {
parent.onNestedScroll(target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onNestedScroll", e);
}
}
public static void onNestedPreScroll(ViewParent parent, View target, int dx, int dy,
int[] consumed) {
try {
parent.onNestedPreScroll(target, dx, dy, consumed);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onNestedPreScroll", e);
}
}
public static boolean onNestedFling(ViewParent parent, View target, float velocityX,
float velocityY, boolean consumed) {
try {
return parent.onNestedFling(target, velocityX, velocityY, consumed);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onNestedFling", e);
return false;
}
}
public static boolean onNestedPreFling(ViewParent parent, View target, float velocityX,
float velocityY) {
try {
return parent.onNestedPreFling(target, velocityX, velocityY);
} catch (AbstractMethodError e) {
Log.e(TAG, "ViewParent " + parent + " does not implement interface " +
"method onNestedPreFling", e);
return false;
}
}
}