1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (C) 2011 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 com.android.browser;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import android.webkit.SearchBox;
import java.util.Map;
/**
* Class to manage the controlling of preloaded tab.
*/
public class PreloadedTabControl {
private static final boolean LOGD_ENABLED = com.android.browser.Browser.LOGD_ENABLED;
private static final String LOGTAG = "PreloadedTabControl";
final Tab mTab;
private String mLastQuery;
private boolean mDestroyed;
public PreloadedTabControl(Tab t) {
if (LOGD_ENABLED) Log.d(LOGTAG, "PreloadedTabControl.<init>");
mTab = t;
}
private void maybeSetQuery(final String query, SearchBox sb) {
if (!TextUtils.equals(mLastQuery, query)) {
if (sb != null) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Changing searchbox query to " + query);
sb.setVerbatim(true);
sb.setQuery(query);
sb.onchange(new SearchBox.SearchBoxListener() {
@Override
public void onChangeComplete(boolean called) {
if (mDestroyed) return;
if (LOGD_ENABLED) Log.d(LOGTAG, "Changed searchbox query: " + called);
if (called) {
mLastQuery = query;
}
}
});
} else {
if (LOGD_ENABLED) Log.d(LOGTAG, "Cannot set query: no searchbox interface");
}
}
}
public void setQuery(String query) {
maybeSetQuery(query, mTab.getWebView().getSearchBox());
}
public boolean searchBoxSubmit(final String query,
final String fallbackUrl, final Map<String, String> fallbackHeaders) {
final SearchBox sb = mTab.getWebView().getSearchBox();
if (sb == null) {
// no searchbox, cannot submit. Fallback to regular tab creation
if (LOGD_ENABLED) Log.d(LOGTAG, "No searchbox, cannot submit query");
return false;
}
maybeSetQuery(query, sb);
if (LOGD_ENABLED) Log.d(LOGTAG, "Submitting query " + query);
sb.onsubmit(new SearchBox.SearchBoxListener() {
@Override
public void onSubmitComplete(boolean called) {
if (mDestroyed) return;
if (LOGD_ENABLED) Log.d(LOGTAG, "Query submitted: " + called);
if (!called) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Query not submitted; falling back");
loadUrl(fallbackUrl, fallbackHeaders);
}
mTab.getWebView().clearHistory();
}});
return true;
}
public void loadUrlIfChanged(String url, Map<String, String> headers) {
String currentUrl = mTab.getUrl();
if (!TextUtils.isEmpty(currentUrl)) {
try {
// remove fragment:
currentUrl = Uri.parse(currentUrl).buildUpon().fragment(null).build().toString();
} catch (UnsupportedOperationException e) {
// carry on
}
}
if (LOGD_ENABLED) Log.d(LOGTAG, "loadUrlIfChanged\nnew: " + url + "\nold: " +currentUrl);
if (!TextUtils.equals(url, currentUrl)) {
loadUrl(url, headers);
}
}
public void loadUrl(String url, Map<String, String> headers) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Preloading " + url);
mTab.loadUrl(url, headers);
}
public void destroy() {
if (LOGD_ENABLED) Log.d(LOGTAG, "PreloadedTabControl.destroy");
mDestroyed = true;
mTab.destroy();
}
public Tab getTab() {
return mTab;
}
}
|
