1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.camera.data;
18
19import android.content.ContentResolver;
20import android.content.Context;
21import android.net.Uri;
22
23/**
24 * An abstract {@link LocalDataAdapter} implementation to wrap another
25 * {@link LocalDataAdapter}. All implementations related to data id is not
26 * addressed in this abstract class since wrapping another data adapter
27 * surely makes things different for data id.
28 *
29 * @see FixedFirstDataAdapter
30 * @see FixedLastDataAdapter
31 */
32public abstract class AbstractLocalDataAdapterWrapper implements LocalDataAdapter {
33
34    protected final LocalDataAdapter mAdapter;
35    protected int mSuggestedWidth;
36    protected int mSuggestedHeight;
37
38    /**
39     * Constructor.
40     *
41     * @param wrappedAdapter  The {@link LocalDataAdapter} to be wrapped.
42     */
43    AbstractLocalDataAdapterWrapper(LocalDataAdapter wrappedAdapter) {
44        if (wrappedAdapter == null) {
45            throw new AssertionError("data adapter is null");
46        }
47        mAdapter = wrappedAdapter;
48    }
49
50    @Override
51    public void suggestViewSizeBound(int w, int h) {
52        mSuggestedWidth = w;
53        mSuggestedHeight = h;
54        mAdapter.suggestViewSizeBound(w, h);
55    }
56
57    @Override
58    public void setListener(Listener listener) {
59        mAdapter.setListener(listener);
60    }
61
62    @Override
63    public void requestLoad(ContentResolver resolver) {
64        mAdapter.requestLoad(resolver);
65    }
66
67    @Override
68    public void addNewVideo(ContentResolver resolver, Uri uri) {
69        mAdapter.addNewVideo(resolver, uri);
70    }
71
72    @Override
73    public void addNewPhoto(ContentResolver resolver, Uri uri) {
74        mAdapter.addNewPhoto(resolver, uri);
75    }
76
77    @Override
78    public void insertData(LocalData data) {
79        mAdapter.insertData(data);
80    }
81
82    @Override
83    public void flush() {
84        mAdapter.flush();
85    }
86
87    @Override
88    public boolean executeDeletion(Context context) {
89        return mAdapter.executeDeletion(context);
90    }
91
92    @Override
93    public boolean undoDataRemoval() {
94        return mAdapter.undoDataRemoval();
95    }
96
97    @Override
98    public void refresh(ContentResolver resolver, Uri uri) {
99        mAdapter.refresh(resolver, uri);
100    }
101}
102