| /* |
| * 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.app; |
| |
| import android.app.Activity; |
| import android.app.SharedElementCallback; |
| import android.content.Context; |
| import android.graphics.Matrix; |
| import android.graphics.RectF; |
| import android.os.Parcelable; |
| import android.support.annotation.RequiresApi; |
| import android.annotation.TargetApi; |
| import android.view.View; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| @RequiresApi(23) |
| @TargetApi(23) |
| class ActivityCompatApi23 { |
| public interface OnSharedElementsReadyListenerBridge { |
| void onSharedElementsReady(); |
| } |
| |
| public interface RequestPermissionsRequestCodeValidator { |
| void validateRequestPermissionsRequestCode(int requestCode); |
| } |
| |
| public static void requestPermissions(Activity activity, String[] permissions, |
| int requestCode) { |
| if (activity instanceof RequestPermissionsRequestCodeValidator) { |
| ((RequestPermissionsRequestCodeValidator) activity) |
| .validateRequestPermissionsRequestCode(requestCode); |
| } |
| activity.requestPermissions(permissions, requestCode); |
| } |
| |
| public static boolean shouldShowRequestPermissionRationale(Activity activity, |
| String permission) { |
| return activity.shouldShowRequestPermissionRationale(permission); |
| } |
| |
| public static void setEnterSharedElementCallback(Activity activity, |
| SharedElementCallback23 callback) { |
| activity.setEnterSharedElementCallback(createCallback(callback)); |
| } |
| |
| public static void setExitSharedElementCallback(Activity activity, |
| SharedElementCallback23 callback) { |
| activity.setExitSharedElementCallback(createCallback(callback)); |
| } |
| |
| private static SharedElementCallback createCallback(SharedElementCallback23 callback) { |
| SharedElementCallback newListener = null; |
| if (callback != null) { |
| newListener = new SharedElementCallbackImpl(callback); |
| } |
| return newListener; |
| } |
| |
| public abstract static class SharedElementCallback23 |
| extends ActivityCompatApi21.SharedElementCallback21 { |
| public abstract void onSharedElementsArrived(List<String> sharedElementNames, |
| List<View> sharedElements, OnSharedElementsReadyListenerBridge listener); |
| } |
| |
| private static class SharedElementCallbackImpl extends SharedElementCallback { |
| private SharedElementCallback23 mCallback; |
| |
| public SharedElementCallbackImpl(SharedElementCallback23 callback) { |
| mCallback = callback; |
| } |
| |
| @Override |
| public void onSharedElementStart(List<String> sharedElementNames, |
| List<View> sharedElements, List<View> sharedElementSnapshots) { |
| mCallback.onSharedElementStart(sharedElementNames, sharedElements, |
| sharedElementSnapshots); |
| } |
| |
| @Override |
| public void onSharedElementEnd(List<String> sharedElementNames, List<View> sharedElements, |
| List<View> sharedElementSnapshots) { |
| mCallback.onSharedElementEnd(sharedElementNames, sharedElements, |
| sharedElementSnapshots); |
| } |
| |
| @Override |
| public void onRejectSharedElements(List<View> rejectedSharedElements) { |
| mCallback.onRejectSharedElements(rejectedSharedElements); |
| } |
| |
| @Override |
| public void onMapSharedElements(List<String> names, Map<String, View> sharedElements) { |
| mCallback.onMapSharedElements(names, sharedElements); |
| } |
| |
| @Override |
| public Parcelable onCaptureSharedElementSnapshot(View sharedElement, |
| Matrix viewToGlobalMatrix, RectF screenBounds) { |
| return mCallback.onCaptureSharedElementSnapshot(sharedElement, viewToGlobalMatrix, |
| screenBounds); |
| } |
| |
| @Override |
| public View onCreateSnapshotView(Context context, Parcelable snapshot) { |
| return mCallback.onCreateSnapshotView(context, snapshot); |
| } |
| |
| @Override |
| public void onSharedElementsArrived(List<String> sharedElementNames, |
| List<View> sharedElements, final OnSharedElementsReadyListener listener) { |
| mCallback.onSharedElementsArrived(sharedElementNames, sharedElements, |
| new OnSharedElementsReadyListenerBridge() { |
| @Override |
| public void onSharedElementsReady() { |
| listener.onSharedElementsReady(); |
| } |
| }); |
| } |
| } |
| } |