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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* Copyright (C) 2007 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.app.Dialog;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.Editable;
import android.text.Spannable;
import android.text.TextWatcher;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.webkit.WebView;
import android.widget.EditText;
import android.widget.TextView;
/* package */ class FindDialog extends Dialog implements TextWatcher {
private WebView mWebView;
private TextView mMatches;
private BrowserActivity mBrowserActivity;
// Views with which the user can interact.
private View mOk;
private EditText mEditText;
private View mNextButton;
private View mPrevButton;
private View mMatchesView;
private View.OnClickListener mFindListener = new View.OnClickListener() {
public void onClick(View v) {
findNext();
}
};
private View.OnClickListener mFindCancelListener =
new View.OnClickListener() {
public void onClick(View v) {
dismiss();
}
};
private View.OnClickListener mFindPreviousListener =
new View.OnClickListener() {
public void onClick(View v) {
if (mWebView == null) {
throw new AssertionError("No WebView for FindDialog::onClick");
}
mWebView.findNext(false);
}
};
private void disableButtons() {
mPrevButton.setEnabled(false);
mNextButton.setEnabled(false);
mPrevButton.setFocusable(false);
mNextButton.setFocusable(false);
}
/* package */ void setWebView(WebView webview) {
mWebView = webview;
}
/* package */ FindDialog(BrowserActivity context) {
super(context, R.style.FindDialogTheme);
mBrowserActivity = context;
setCanceledOnTouchOutside(true);
}
/* package */ void onConfigurationChanged(Configuration newConfig) {
// FIXME: Would like to call mWebView.findAll again, so that the
// matches would refresh, but the new picture has not yet been
// created, so it is too soon.
mEditText.getText().clear();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Window theWindow = getWindow();
theWindow.setGravity(Gravity.BOTTOM|Gravity.FILL_HORIZONTAL);
setContentView(R.layout.browser_find);
theWindow.setLayout(ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
mEditText = (EditText) findViewById(R.id.edit);
View button = findViewById(R.id.next);
button.setOnClickListener(mFindListener);
mNextButton = button;
button = findViewById(R.id.previous);
button.setOnClickListener(mFindPreviousListener);
mPrevButton = button;
button = findViewById(R.id.done);
button.setOnClickListener(mFindCancelListener);
mOk = button;
mMatches = (TextView) findViewById(R.id.matches);
mMatchesView = findViewById(R.id.matches_view);
disableButtons();
theWindow.setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
}
public void dismiss() {
super.dismiss();
mBrowserActivity.closeFind();
mWebView.clearMatches();
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
int code = event.getKeyCode();
boolean up = event.getAction() == KeyEvent.ACTION_UP;
switch (code) {
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER:
if (!mEditText.hasFocus()) {
break;
}
if (up) {
findNext();
}
return true;
default:
break;
}
return super.dispatchKeyEvent(event);
}
private void findNext() {
if (mWebView == null) {
throw new AssertionError("No WebView for FindDialog::findNext");
}
mWebView.findNext(true);
}
public void show() {
super.show();
mEditText.requestFocus();
mEditText.setText("");
Spannable span = (Spannable) mEditText.getText();
span.setSpan(this, 0, span.length(),
Spannable.SPAN_INCLUSIVE_INCLUSIVE);
mMatches.setText(R.string.zero);
disableButtons();
}
// TextWatcher methods
public void beforeTextChanged(CharSequence s,
int start,
int count,
int after) {
}
public void onTextChanged(CharSequence s,
int start,
int before,
int count) {
if (mWebView == null) {
throw new AssertionError(
"No WebView for FindDialog::onTextChanged");
}
CharSequence find = mEditText.getText();
if (0 == find.length()) {
disableButtons();
mWebView.clearMatches();
mMatchesView.setVisibility(View.INVISIBLE);
} else {
mMatchesView.setVisibility(View.VISIBLE);
int found = mWebView.findAll(find.toString());
mMatches.setText(Integer.toString(found));
if (found < 2) {
disableButtons();
if (found == 0) {
mMatches.setText(R.string.zero);
}
} else {
mPrevButton.setFocusable(true);
mNextButton.setFocusable(true);
mPrevButton.setEnabled(true);
mNextButton.setEnabled(true);
}
}
}
public void afterTextChanged(Editable s) {
}
}
|
