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/*
* Copyright (C) 2008 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 java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.webkit.GeolocationPermissions;
import android.webkit.ValueCallback;
import android.webkit.WebStorage;
import android.webkit.WebView;
public class BrowserPreferencesPage extends PreferenceActivity
implements Preference.OnPreferenceChangeListener {
private String LOGTAG = "BrowserPreferencesPage";
/* package */ static final String CURRENT_PAGE = "currentPage";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Load the XML preferences file
addPreferencesFromResource(R.xml.browser_preferences);
Preference e = findPreference(BrowserSettings.PREF_HOMEPAGE);
e.setOnPreferenceChangeListener(this);
e.setSummary(getPreferenceScreen().getSharedPreferences()
.getString(BrowserSettings.PREF_HOMEPAGE, null));
((BrowserHomepagePreference) e).setCurrentPage(
getIntent().getStringExtra(CURRENT_PAGE));
e = findPreference(BrowserSettings.PREF_EXTRAS_RESET_DEFAULTS);
e.setOnPreferenceChangeListener(this);
e = findPreference(BrowserSettings.PREF_TEXT_SIZE);
e.setOnPreferenceChangeListener(this);
e.setSummary(getVisualTextSizeName(
getPreferenceScreen().getSharedPreferences()
.getString(BrowserSettings.PREF_TEXT_SIZE, null)) );
e = findPreference(BrowserSettings.PREF_DEFAULT_ZOOM);
e.setOnPreferenceChangeListener(this);
e.setSummary(getVisualDefaultZoomName(
getPreferenceScreen().getSharedPreferences()
.getString(BrowserSettings.PREF_DEFAULT_ZOOM, null)) );
e = findPreference(BrowserSettings.PREF_DEFAULT_TEXT_ENCODING);
e.setOnPreferenceChangeListener(this);
e = findPreference(BrowserSettings.PREF_CLEAR_HISTORY);
e.setOnPreferenceChangeListener(this);
if (BrowserSettings.getInstance().showDebugSettings()) {
addPreferencesFromResource(R.xml.debug_preferences);
}
PreferenceScreen websiteSettings = (PreferenceScreen)
findPreference(BrowserSettings.PREF_WEBSITE_SETTINGS);
Intent intent = new Intent(this, WebsiteSettingsActivity.class);
websiteSettings.setIntent(intent);
}
/*
* We need to set the PreferenceScreen state in onResume(), as the number of
* origins with active features (WebStorage, Geolocation etc) could have
* changed after calling the WebsiteSettingsActivity.
*/
@Override
protected void onResume() {
super.onResume();
final PreferenceScreen websiteSettings = (PreferenceScreen)
findPreference(BrowserSettings.PREF_WEBSITE_SETTINGS);
websiteSettings.setEnabled(false);
WebStorage.getInstance().getOrigins(new ValueCallback<Map>() {
public void onReceiveValue(Map webStorageOrigins) {
if ((webStorageOrigins != null) && !webStorageOrigins.isEmpty()) {
websiteSettings.setEnabled(true);
}
}
});
GeolocationPermissions.getInstance().getOrigins(new ValueCallback<Set<String> >() {
public void onReceiveValue(Set<String> geolocationOrigins) {
if ((geolocationOrigins != null) && !geolocationOrigins.isEmpty()) {
websiteSettings.setEnabled(true);
}
}
});
}
@Override
protected void onPause() {
super.onPause();
// sync the shared preferences back to BrowserSettings
BrowserSettings.getInstance().syncSharedPreferences(
getPreferenceScreen().getSharedPreferences());
}
public boolean onPreferenceChange(Preference pref, Object objValue) {
if (pref.getKey().equals(BrowserSettings.PREF_EXTRAS_RESET_DEFAULTS)) {
Boolean value = (Boolean) objValue;
if (value.booleanValue() == true) {
finish();
}
} else if (pref.getKey().equals(BrowserSettings.PREF_HOMEPAGE)) {
String value = (String) objValue;
boolean needUpdate = value.indexOf(' ') != -1;
if (needUpdate) {
value = value.trim().replace(" ", "%20");
}
if (value.length() != 0 && Uri.parse(value).getScheme() == null) {
value = "http://" + value;
needUpdate = true;
}
// Set the summary value.
pref.setSummary(value);
if (needUpdate) {
// Update through the EditText control as it has a cached copy
// of the string and it will handle persisting the value
((EditTextPreference) pref).setText(value);
// as we update the value above, we need to return false
// here so that setText() is not called by EditTextPref
// with the old value.
return false;
} else {
return true;
}
} else if (pref.getKey().equals(BrowserSettings.PREF_TEXT_SIZE)) {
pref.setSummary(getVisualTextSizeName((String) objValue));
return true;
} else if (pref.getKey().equals(BrowserSettings.PREF_DEFAULT_ZOOM)) {
pref.setSummary(getVisualDefaultZoomName((String) objValue));
return true;
} else if (pref.getKey().equals(
BrowserSettings.PREF_DEFAULT_TEXT_ENCODING)) {
pref.setSummary((String) objValue);
return true;
} else if (pref.getKey().equals(BrowserSettings.PREF_CLEAR_HISTORY)
&& ((Boolean) objValue).booleanValue() == true) {
// Need to tell the browser to remove the parent/child relationship
// between tabs
setResult(RESULT_OK, (new Intent()).putExtra(Intent.EXTRA_TEXT,
pref.getKey()));
return true;
}
return false;
}
private CharSequence getVisualTextSizeName(String enumName) {
CharSequence[] visualNames = getResources().getTextArray(
R.array.pref_text_size_choices);
CharSequence[] enumNames = getResources().getTextArray(
R.array.pref_text_size_values);
// Sanity check
if (visualNames.length != enumNames.length) {
return "";
}
for (int i = 0; i < enumNames.length; i++) {
if (enumNames[i].equals(enumName)) {
return visualNames[i];
}
}
return "";
}
private CharSequence getVisualDefaultZoomName(String enumName) {
CharSequence[] visualNames = getResources().getTextArray(
R.array.pref_default_zoom_choices);
CharSequence[] enumNames = getResources().getTextArray(
R.array.pref_default_zoom_values);
// Sanity check
if (visualNames.length != enumNames.length) {
return "";
}
for (int i = 0; i < enumNames.length; i++) {
if (enumNames[i].equals(enumName)) {
return visualNames[i];
}
}
return "";
}
}
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