AddBookmarkPage.java revision a753d009f11cabc73259f0a1c565301550ef1aa2 
1/*
2 * Copyright (C) 2006 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.browser;
18
19import android.app.Activity;
20import android.content.ContentResolver;
21import android.content.Intent;
22import android.content.res.Resources;
23import android.database.Cursor;
24import android.graphics.Bitmap;
25import android.net.ParseException;
26import android.net.WebAddress;
27import android.os.Bundle;
28import android.os.Handler;
29import android.os.Message;
30import android.provider.Browser;
31import android.view.View;
32import android.view.Window;
33import android.widget.EditText;
34import android.widget.TextView;
35import android.widget.Toast;
36
37import java.net.URI;
38import java.net.URISyntaxException;
39import java.util.Date;
40
41public class AddBookmarkPage extends Activity {
42
43    private final String LOGTAG = "Bookmarks";
44
45    private EditText    mTitle;
46    private EditText    mAddress;
47    private TextView    mButton;
48    private View        mCancelButton;
49    private boolean     mEditingExisting;
50    private Bundle      mMap;
51    private String      mTouchIconUrl;
52    private Bitmap      mThumbnail;
53    private String      mOriginalUrl;
54
55    // Message IDs
56    private static final int SAVE_BOOKMARK = 100;
57
58    private Handler mHandler;
59
60    private View.OnClickListener mSaveBookmark = new View.OnClickListener() {
61        public void onClick(View v) {
62            if (save()) {
63                finish();
64            }
65        }
66    };
67
68    private View.OnClickListener mCancel = new View.OnClickListener() {
69        public void onClick(View v) {
70            finish();
71        }
72    };
73
74    protected void onCreate(Bundle icicle) {
75        super.onCreate(icicle);
76        requestWindowFeature(Window.FEATURE_LEFT_ICON);
77        setContentView(R.layout.browser_add_bookmark);
78        setTitle(R.string.save_to_bookmarks);
79        getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, R.drawable.ic_list_bookmark);
80
81        String title = null;
82        String url = null;
83        mMap = getIntent().getExtras();
84        if (mMap != null) {
85            Bundle b = mMap.getBundle("bookmark");
86            if (b != null) {
87                mMap = b;
88                mEditingExisting = true;
89                setTitle(R.string.edit_bookmark);
90            }
91            title = mMap.getString("title");
92            url = mOriginalUrl = mMap.getString("url");
93            mTouchIconUrl = mMap.getString("touch_icon_url");
94            mThumbnail = (Bitmap) mMap.getParcelable("thumbnail");
95        }
96
97        mTitle = (EditText) findViewById(R.id.title);
98        mTitle.setText(title);
99        mAddress = (EditText) findViewById(R.id.address);
100        mAddress.setText(url);
101
102        View.OnClickListener accept = mSaveBookmark;
103        mButton = (TextView) findViewById(R.id.OK);
104        mButton.setOnClickListener(accept);
105
106        mCancelButton = findViewById(R.id.cancel);
107        mCancelButton.setOnClickListener(mCancel);
108
109        if (!getWindow().getDecorView().isInTouchMode()) {
110            mButton.requestFocus();
111        }
112    }
113
114    private void createHandler() {
115        if (mHandler == null) {
116            mHandler = new Handler() {
117                @Override
118                public void handleMessage(Message msg) {
119                    switch (msg.what) {
120                        case SAVE_BOOKMARK:
121                            // Unbundle bookmark data.
122                            Bundle bundle = msg.getData();
123                            String title = bundle.getString("title");
124                            String url = bundle.getString("url");
125                            boolean invalidateThumbnail = bundle.getBoolean("invalidateThumbnail");
126                            Bitmap thumbnail = invalidateThumbnail
127                                    ? null : (Bitmap) bundle.getParcelable("thumbnail");
128                            String touchIconUrl = bundle.getString("touchIconUrl");
129
130                            // Save to the bookmarks DB.
131                            if (updateBookmarksDB(title, url, thumbnail, touchIconUrl)) {
132                                Toast.makeText(AddBookmarkPage.this, R.string.bookmark_saved,
133                                        Toast.LENGTH_LONG).show();
134                            } else {
135                                Toast.makeText(AddBookmarkPage.this, R.string.bookmark_not_saved,
136                                        Toast.LENGTH_LONG).show();
137                            }
138                            break;
139                    }
140                }
141            };
142        }
143    }
144
145    private boolean updateBookmarksDB(String title, String url, Bitmap thumbnail, String touchIconUrl) {
146        try {
147            final ContentResolver cr = getContentResolver();
148            Bookmarks.addBookmark(null, cr, url, title, thumbnail, true);
149            if (touchIconUrl != null) {
150                final Cursor c =
151                        BrowserBookmarksAdapter.queryBookmarksForUrl(cr, null, url, true);
152                new DownloadTouchIcon(cr, c, url).execute(mTouchIconUrl);
153            }
154        } catch (IllegalStateException e) {
155            return false;
156        }
157        return true;
158    }
159
160    /**
161     * Parse the data entered in the dialog and post a message to update the bookmarks database.
162     */
163    boolean save() {
164        createHandler();
165
166        String title = mTitle.getText().toString().trim();
167        String unfilteredUrl =
168                BrowserActivity.fixUrl(mAddress.getText().toString());
169        boolean emptyTitle = title.length() == 0;
170        boolean emptyUrl = unfilteredUrl.trim().length() == 0;
171        Resources r = getResources();
172        if (emptyTitle || emptyUrl) {
173            if (emptyTitle) {
174                mTitle.setError(r.getText(R.string.bookmark_needs_title));
175            }
176            if (emptyUrl) {
177                mAddress.setError(r.getText(R.string.bookmark_needs_url));
178            }
179            return false;
180        }
181        String url = unfilteredUrl;
182        try {
183            URI uriObj = new URI(url);
184            String scheme = uriObj.getScheme();
185            if (!("about".equals(scheme) || "data".equals(scheme)
186                    || "javascript".equals(scheme)
187                    || "file".equals(scheme) || "content".equals(scheme))) {
188                WebAddress address;
189                try {
190                    address = new WebAddress(unfilteredUrl);
191                } catch (ParseException e) {
192                    throw new URISyntaxException("", "");
193                }
194                if (address.mHost.length() == 0) {
195                    throw new URISyntaxException("", "");
196                }
197                url = address.toString();
198            }
199        } catch (URISyntaxException e) {
200            mAddress.setError(r.getText(R.string.bookmark_url_not_valid));
201            return false;
202        }
203
204        if (mEditingExisting) {
205            mMap.putString("title", title);
206            mMap.putString("url", url);
207            mMap.putBoolean("invalidateThumbnail", !url.equals(mOriginalUrl));
208            setResult(RESULT_OK, (new Intent()).setAction(
209                    getIntent().toString()).putExtras(mMap));
210        } else {
211            // Post a message to write to the DB.
212            Bundle bundle = new Bundle();
213            bundle.putString("title", title);
214            bundle.putString("url", url);
215            bundle.putParcelable("thumbnail", mThumbnail);
216            bundle.putBoolean("invalidateThumbnail", !url.equals(mOriginalUrl));
217            bundle.putString("touchIconUrl", mTouchIconUrl);
218            Message msg = Message.obtain(mHandler, SAVE_BOOKMARK);
219            msg.setData(bundle);
220            mHandler.sendMessage(msg);
221            setResult(RESULT_OK);
222        }
223        return true;
224    }
225}
226