OLD | NEW |
(Empty) | |
| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.chrome.browser.preferences.website; |
| 6 |
| 7 import android.os.Bundle; |
| 8 import android.preference.Preference; |
| 9 import android.preference.PreferenceFragment; |
| 10 import android.support.v4.view.MenuItemCompat; |
| 11 import android.support.v7.widget.SearchView; |
| 12 import android.view.Menu; |
| 13 import android.view.MenuInflater; |
| 14 import android.view.MenuItem; |
| 15 import android.view.inputmethod.EditorInfo; |
| 16 import android.widget.ListView; |
| 17 import android.widget.TextView; |
| 18 |
| 19 import org.chromium.chrome.R; |
| 20 import org.chromium.chrome.browser.help.HelpAndFeedback; |
| 21 import org.chromium.chrome.browser.profiles.Profile; |
| 22 |
| 23 import java.util.Collection; |
| 24 import java.util.HashMap; |
| 25 import java.util.LinkedList; |
| 26 import java.util.List; |
| 27 import java.util.Map; |
| 28 |
| 29 /** |
| 30 * Shows a list of USB devices that the user has granted websites permission to
access. |
| 31 * |
| 32 * When the user selects an item UsbDevicePreferences is launched to show which
sites have access |
| 33 * to the device. |
| 34 */ |
| 35 public class UsbChooserPreferences |
| 36 extends PreferenceFragment implements Preference.OnPreferenceClickListen
er { |
| 37 // The site settings category we are showing. |
| 38 private SiteSettingsCategory mCategory; |
| 39 // Multiple sites may have access to the same device. A canonical UsbInfo fo
r each device is |
| 40 // therefore arbitrarily chosen to represent it. |mPermissionsByObject| list
s all of the |
| 41 // individual permission grants for that device. |mSitesByObject| lists all
of the sites with |
| 42 // access to that device. |
| 43 // |
| 44 // UsbInfo's hashCode() and equals() methods compare only the device it repr
esents, not the |
| 45 // origin to which permission was granted. |
| 46 private Map<UsbInfo, LinkedList<UsbInfo>> mPermissionsByObject = new HashMap
<>(); |
| 47 private Map<UsbInfo, LinkedList<Website>> mSitesByObject = new HashMap<>(); |
| 48 // The view to show when the list is empty. |
| 49 private TextView mEmptyView; |
| 50 // The view for searching the list of items. |
| 51 private SearchView mSearchView; |
| 52 // If not blank, represents a substring to use to search for site names. |
| 53 private String mSearch = ""; |
| 54 |
| 55 @Override |
| 56 public void onActivityCreated(Bundle savedInstanceState) { |
| 57 addPreferencesFromResource(R.xml.single_chooser_preferences); |
| 58 ListView listView = (ListView) getView().findViewById(android.R.id.list)
; |
| 59 mEmptyView = (TextView) getView().findViewById(android.R.id.empty); |
| 60 listView.setEmptyView(mEmptyView); |
| 61 listView.setDivider(null); |
| 62 |
| 63 String category = getArguments().getString(SingleCategoryPreferences.EXT
RA_CATEGORY); |
| 64 mCategory = SiteSettingsCategory.fromString(category); |
| 65 String title = getArguments().getString(SingleCategoryPreferences.EXTRA_
TITLE); |
| 66 getActivity().setTitle(title); |
| 67 |
| 68 setHasOptionsMenu(true); |
| 69 |
| 70 super.onActivityCreated(savedInstanceState); |
| 71 } |
| 72 |
| 73 @Override |
| 74 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { |
| 75 menu.clear(); |
| 76 inflater.inflate(R.menu.website_preferences_menu, menu); |
| 77 |
| 78 MenuItem searchItem = menu.findItem(R.id.search); |
| 79 mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem); |
| 80 mSearchView.setImeOptions(EditorInfo.IME_FLAG_NO_FULLSCREEN); |
| 81 SearchView.OnQueryTextListener queryTextListener = new SearchView.OnQuer
yTextListener() { |
| 82 @Override |
| 83 public boolean onQueryTextSubmit(String query) { |
| 84 return true; |
| 85 } |
| 86 |
| 87 @Override |
| 88 public boolean onQueryTextChange(String query) { |
| 89 // Make search case-insensitive. |
| 90 query = query.toLowerCase(); |
| 91 |
| 92 if (query.equals(mSearch)) return true; |
| 93 |
| 94 mSearch = query; |
| 95 getInfo(); |
| 96 return true; |
| 97 } |
| 98 }; |
| 99 mSearchView.setOnQueryTextListener(queryTextListener); |
| 100 |
| 101 MenuItem help = |
| 102 menu.add(Menu.NONE, R.id.menu_id_targeted_help, Menu.NONE, R.str
ing.menu_help); |
| 103 help.setIcon(R.drawable.ic_help_and_feedback); |
| 104 } |
| 105 |
| 106 @Override |
| 107 public boolean onOptionsItemSelected(MenuItem item) { |
| 108 if (item.getItemId() == R.id.menu_id_targeted_help) { |
| 109 HelpAndFeedback.getInstance(getActivity()) |
| 110 .show(getActivity(), getString(R.string.help_context_setting
s), |
| 111 Profile.getLastUsedProfile(), null); |
| 112 return true; |
| 113 } |
| 114 return false; |
| 115 } |
| 116 |
| 117 @Override |
| 118 public void onResume() { |
| 119 super.onResume(); |
| 120 |
| 121 getInfo(); |
| 122 } |
| 123 |
| 124 private class ResultsPopulator implements WebsitePermissionsFetcher.WebsiteP
ermissionsCallback { |
| 125 @Override |
| 126 public void onWebsitePermissionsAvailable(Collection<Website> sites) { |
| 127 // This method may be called after the activity has been destroyed. |
| 128 // In that case, bail out. |
| 129 if (getActivity() == null) return; |
| 130 |
| 131 mPermissionsByObject.clear(); |
| 132 mSitesByObject.clear(); |
| 133 for (Website site : sites) { |
| 134 for (UsbInfo info : site.getUsbInfo()) { |
| 135 if (mSearch.isEmpty() || info.getName().toLowerCase().contai
ns(mSearch)) { |
| 136 LinkedList<UsbInfo> permissionSet = mPermissionsByObject
.get(info); |
| 137 if (permissionSet == null) { |
| 138 permissionSet = new LinkedList<>(); |
| 139 mPermissionsByObject.put(info, permissionSet); |
| 140 } |
| 141 permissionSet.add(info); |
| 142 LinkedList<Website> sitesSet = mSitesByObject.get(info); |
| 143 if (sitesSet == null) { |
| 144 sitesSet = new LinkedList<>(); |
| 145 mSitesByObject.put(info, sitesSet); |
| 146 } |
| 147 sitesSet.add(site); |
| 148 } |
| 149 } |
| 150 } |
| 151 |
| 152 resetList(); |
| 153 } |
| 154 } |
| 155 |
| 156 /** |
| 157 * Refreshes |mPermissionsByObject| and |mSitesByObject| with new data from
native. |
| 158 * |
| 159 * resetList() is called to refresh the view when the data is ready. |
| 160 */ |
| 161 private void getInfo() { |
| 162 WebsitePermissionsFetcher fetcher = new WebsitePermissionsFetcher(new Re
sultsPopulator()); |
| 163 fetcher.fetchPreferencesForCategory(mCategory); |
| 164 } |
| 165 |
| 166 private void resetList() { |
| 167 getPreferenceScreen().removeAll(); |
| 168 addPreferencesFromResource(R.xml.single_chooser_preferences); |
| 169 |
| 170 if (mPermissionsByObject.isEmpty() && mSearch.isEmpty() && mEmptyView !=
null) { |
| 171 mEmptyView.setText(R.string.website_settings_usb_no_devices); |
| 172 } |
| 173 |
| 174 for (Map.Entry<UsbInfo, LinkedList<UsbInfo>> entry : mPermissionsByObjec
t.entrySet()) { |
| 175 Preference preference = new Preference(getActivity()); |
| 176 preference.getExtras().putSerializable( |
| 177 UsbDevicePreferences.EXTRA_USB_INFOS, entry.getValue()); |
| 178 preference.setIcon(R.drawable.settings_usb); |
| 179 preference.setOnPreferenceClickListener(this); |
| 180 preference.setTitle(entry.getKey().getName()); |
| 181 getPreferenceScreen().addPreference(preference); |
| 182 } |
| 183 } |
| 184 |
| 185 @Override |
| 186 public boolean onPreferenceClick(Preference preference) { |
| 187 Bundle extras = preference.getExtras(); |
| 188 @SuppressWarnings("unchecked") |
| 189 List<UsbInfo> info = |
| 190 (List<UsbInfo>) extras.getSerializable(UsbDevicePreferences.EXTR
A_USB_INFOS); |
| 191 extras.putString( |
| 192 SingleCategoryPreferences.EXTRA_TITLE, getActivity().getTitle().
toString()); |
| 193 extras.putInt(UsbDevicePreferences.EXTRA_CATEGORY, mCategory.toContentSe
ttingsType()); |
| 194 extras.putSerializable( |
| 195 UsbDevicePreferences.EXTRA_SITES, mSitesByObject.get(info.get(0)
)); |
| 196 preference.setFragment( |
| 197 "org.chromium.chrome.browser.preferences.website.UsbDevicePrefer
ences"); |
| 198 return false; |
| 199 } |
| 200 } |
OLD | NEW |