1/*
2 * Copyright (C) 2009 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;
18
19import com.android.gallery.R;
20
21import android.app.Activity;
22import android.content.ContentResolver;
23import android.content.Intent;
24import android.net.Uri;
25import android.os.Bundle;
26import android.os.Handler;
27import android.widget.ProgressBar;
28
29import java.util.ArrayList;
30
31public class DeleteImage extends NoSearchActivity {
32
33    @SuppressWarnings("unused")
34    private static final String TAG = "DeleteImage";
35    private ProgressBar mProgressBar;
36    private ArrayList<Uri> mUriList;  // a list of image uri
37    private int mIndex = 0;  // next image to delete
38    private final Handler mHandler = new Handler();
39    private final Runnable mDeleteNextRunnable = new Runnable() {
40        public void run() {
41            deleteNext();
42        }
43    };
44    private ContentResolver mContentResolver;
45    private boolean mPausing;
46
47    @Override
48    protected void onCreate(Bundle savedInstanceState) {
49        super.onCreate(savedInstanceState);
50        Intent intent = getIntent();
51        mUriList = intent.getParcelableArrayListExtra("delete-uris");
52        if (mUriList == null) {
53            finish();
54        }
55        setContentView(R.layout.delete_image);
56        mProgressBar = (ProgressBar) findViewById(R.id.delete_progress);
57        mContentResolver = getContentResolver();
58    }
59
60    @Override
61    protected void onResume() {
62        super.onResume();
63        mPausing = false;
64        mHandler.post(mDeleteNextRunnable);
65    }
66
67    private void deleteNext() {
68        if (mPausing) return;
69        if (mIndex >= mUriList.size()) {
70            finish();
71            return;
72        }
73        Uri uri = mUriList.get(mIndex++);
74        // The max progress value of the bar is set to 10000 in the xml file.
75        mProgressBar.setProgress(mIndex * 10000 / mUriList.size());
76        mContentResolver.delete(uri, null, null);
77        mHandler.post(mDeleteNextRunnable);
78    }
79
80    @Override
81    protected void onPause() {
82        super.onPause();
83        mPausing = true;
84    }
85}
86