/* * 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; } } }