/WebVox/src/com/marvin/webvox/WebsiteSettingsActivity.java
http://eyes-free.googlecode.com/ · Java · 589 lines · 371 code · 52 blank · 166 comment · 59 complexity · ae896dc134b0bb7eb0aee9f36440450a MD5 · raw file
- /*
- * Copyright (C) 2009 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.marvin.webvox;
- import com.marvin.webvox.R;
- import android.app.AlertDialog;
- import android.app.ListActivity;
- import android.content.Context;
- import android.content.DialogInterface;
- import android.database.Cursor;
- import android.graphics.Bitmap;
- import android.graphics.BitmapFactory;
- import android.net.Uri;
- import android.os.Bundle;
- import android.provider.Browser;
- import android.util.Log;
- import android.view.KeyEvent;
- import android.view.LayoutInflater;
- import android.view.Menu;
- import android.view.MenuInflater;
- import android.view.MenuItem;
- import android.view.View;
- import android.view.ViewGroup;
- import android.webkit.GeolocationPermissions;
- //import android.webkit.ValueCallback;
- import android.webkit.WebIconDatabase;
- import android.webkit.WebStorage;
- import android.widget.ArrayAdapter;
- import android.widget.AdapterView;
- import android.widget.AdapterView.OnItemClickListener;
- import android.widget.ImageView;
- import android.widget.TextView;
- import java.util.HashMap;
- import java.util.HashSet;
- import java.util.Iterator;
- import java.util.Map;
- import java.util.Set;
- import java.util.Vector;
- /**
- * Manage the settings for an origin.
- * We use it to keep track of the 'HTML5' settings, i.e. database (webstorage)
- * and Geolocation.
- */
- public class WebsiteSettingsActivity extends ListActivity {
- private String LOGTAG = "WebsiteSettingsActivity";
- private static String sMBStored = null;
- private SiteAdapter mAdapter = null;
- class Site {
- private String mOrigin;
- private String mTitle;
- private Bitmap mIcon;
- private int mFeatures;
- // These constants provide the set of features that a site may support
- // They must be consecutive. To add a new feature, add a new FEATURE_XXX
- // variable with value equal to the current value of FEATURE_COUNT, then
- // increment FEATURE_COUNT.
- private final static int FEATURE_WEB_STORAGE = 0;
- private final static int FEATURE_GEOLOCATION = 1;
- // The number of features available.
- private final static int FEATURE_COUNT = 2;
- public Site(String origin) {
- mOrigin = origin;
- mTitle = null;
- mIcon = null;
- mFeatures = 0;
- }
- public void addFeature(int feature) {
- mFeatures |= (1 << feature);
- }
- public boolean hasFeature(int feature) {
- return (mFeatures & (1 << feature)) != 0;
- }
- /**
- * Gets the number of features supported by this site.
- */
- public int getFeatureCount() {
- int count = 0;
- for (int i = 0; i < FEATURE_COUNT; ++i) {
- count += hasFeature(i) ? 1 : 0;
- }
- return count;
- }
- /**
- * Gets the ID of the nth (zero-based) feature supported by this site.
- * The return value is a feature ID - one of the FEATURE_XXX values.
- * This is required to determine which feature is displayed at a given
- * position in the list of features for this site. This is used both
- * when populating the view and when responding to clicks on the list.
- */
- public int getFeatureByIndex(int n) {
- int j = -1;
- for (int i = 0; i < FEATURE_COUNT; ++i) {
- j += hasFeature(i) ? 1 : 0;
- if (j == n) {
- return i;
- }
- }
- return -1;
- }
- public String getOrigin() {
- return mOrigin;
- }
- public void setTitle(String title) {
- mTitle = title;
- }
- public void setIcon(Bitmap icon) {
- mIcon = icon;
- }
- public Bitmap getIcon() {
- return mIcon;
- }
- public String getPrettyOrigin() {
- return mTitle == null ? null : hideHttp(mOrigin);
- }
- public String getPrettyTitle() {
- return mTitle == null ? hideHttp(mOrigin) : mTitle;
- }
- private String hideHttp(String str) {
- Uri uri = Uri.parse(str);
- return "http".equals(uri.getScheme()) ? str.substring(7) : str;
- }
- }
- class SiteAdapter extends ArrayAdapter<Site>
- implements AdapterView.OnItemClickListener {
- private int mResource;
- private LayoutInflater mInflater;
- private Bitmap mDefaultIcon;
- private Bitmap mUsageEmptyIcon;
- private Bitmap mUsageLowIcon;
- private Bitmap mUsageHighIcon;
- private Bitmap mLocationAllowedIcon;
- private Bitmap mLocationDisallowedIcon;
- private Site mCurrentSite;
- public SiteAdapter(Context context, int rsc) {
- super(context, rsc);
- mResource = rsc;
- mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
- mDefaultIcon = BitmapFactory.decodeResource(getResources(),
- R.drawable.ic_launcher_shortcut_browser_bookmark);
- mUsageEmptyIcon = BitmapFactory.decodeResource(getResources(),
- R.drawable.ic_list_data_off);
- mUsageLowIcon = BitmapFactory.decodeResource(getResources(),
- R.drawable.ic_list_data_small);
- mUsageHighIcon = BitmapFactory.decodeResource(getResources(),
- R.drawable.ic_list_data_large);
- mLocationAllowedIcon = BitmapFactory.decodeResource(getResources(),
- R.drawable.ic_list_gps_on);
- mLocationDisallowedIcon = BitmapFactory.decodeResource(getResources(),
- R.drawable.ic_list_gps_denied);
- askForOrigins();
- }
- /**
- * Adds the specified feature to the site corresponding to supplied
- * origin in the map. Creates the site if it does not already exist.
- */
- private void addFeatureToSite(Map sites, String origin, int feature) {
- Site site = null;
- if (sites.containsKey(origin)) {
- site = (Site) sites.get(origin);
- } else {
- site = new Site(origin);
- sites.put(origin, site);
- }
- site.addFeature(feature);
- }
- public void askForOrigins() {
- // Get the list of origins we want to display.
- // All 'HTML 5 modules' (Database, Geolocation etc) form these
- // origin strings using WebCore::SecurityOrigin::toString(), so it's
- // safe to group origins here. Note that WebCore::SecurityOrigin
- // uses 0 (which is not printed) for the port if the port is the
- // default for the protocol. Eg http://www.google.com and
- // http://www.google.com:80 both record a port of 0 and hence
- // toString() == 'http://www.google.com' for both.
- /*
- WebStorage.getInstance().getOrigins(new ValueCallback<Map>() {
- public void onReceiveValue(Map origins) {
- Map sites = new HashMap<String, Site>();
- if (origins != null) {
- Iterator<String> iter = origins.keySet().iterator();
- while (iter.hasNext()) {
- addFeatureToSite(sites, iter.next(), Site.FEATURE_WEB_STORAGE);
- }
- }
- askForGeolocation(sites);
- }
- });
- */
- }
- /*
- public void askForGeolocation(final Map sites) {
- GeolocationPermissions.getInstance().getOrigins(new ValueCallback<Set>() {
- public void onReceiveValue(Set origins) {
- if (origins != null) {
- Iterator<String> iter = origins.iterator();
- while (iter.hasNext()) {
- addFeatureToSite(sites, iter.next(), Site.FEATURE_GEOLOCATION);
- }
- }
- populateIcons(sites);
- populateOrigins(sites);
- }
- });
- }
- */
- public void populateIcons(Map sites) {
- // Create a map from host to origin. This is used to add metadata
- // (title, icon) for this origin from the bookmarks DB.
- HashMap hosts = new HashMap<String, Set<Site> >();
- Set keys = sites.keySet();
- Iterator<String> originIter = keys.iterator();
- while (originIter.hasNext()) {
- String origin = originIter.next();
- Site site = (Site) sites.get(origin);
- String host = Uri.parse(origin).getHost();
- Set hostSites = null;
- if (hosts.containsKey(host)) {
- hostSites = (Set) hosts.get(host);
- } else {
- hostSites = new HashSet<Site>();
- hosts.put(host, hostSites);
- }
- hostSites.add(site);
- }
- // Check the bookmark DB. If we have data for a host used by any of
- // our origins, use it to set their title and favicon
- Cursor c = getContext().getContentResolver().query(Browser.BOOKMARKS_URI,
- new String[] { Browser.BookmarkColumns.URL, Browser.BookmarkColumns.TITLE,
- Browser.BookmarkColumns.FAVICON }, "bookmark = 1", null, null);
- if ((c != null) && c.moveToFirst()) {
- int urlIndex = c.getColumnIndex(Browser.BookmarkColumns.URL);
- int titleIndex = c.getColumnIndex(Browser.BookmarkColumns.TITLE);
- int faviconIndex = c.getColumnIndex(Browser.BookmarkColumns.FAVICON);
- do {
- String url = c.getString(urlIndex);
- String host = Uri.parse(url).getHost();
- if (hosts.containsKey(host)) {
- String title = c.getString(titleIndex);
- Bitmap bmp = null;
- byte[] data = c.getBlob(faviconIndex);
- if (data != null) {
- bmp = BitmapFactory.decodeByteArray(data, 0, data.length);
- }
- Set matchingSites = (Set) hosts.get(host);
- Iterator<Site> sitesIter = matchingSites.iterator();
- while (sitesIter.hasNext()) {
- Site site = sitesIter.next();
- site.setTitle(title);
- if (bmp != null) {
- site.setIcon(bmp);
- }
- }
- }
- } while (c.moveToNext());
- }
- c.close();
- }
- public void populateOrigins(Map sites) {
- clear();
- // We can now simply populate our array with Site instances
- Set keys = sites.keySet();
- Iterator<String> originIter = keys.iterator();
- while (originIter.hasNext()) {
- String origin = originIter.next();
- Site site = (Site) sites.get(origin);
- add(site);
- }
- notifyDataSetChanged();
- if (getCount() == 0) {
- finish(); // we close the screen
- }
- }
- public int getCount() {
- if (mCurrentSite == null) {
- return super.getCount();
- }
- return mCurrentSite.getFeatureCount();
- }
- public String sizeValueToString(long bytes) {
- // We display the size in MB, to 1dp, rounding up to the next 0.1MB.
- // bytes should always be greater than zero.
- if (bytes <= 0) {
- Log.e(LOGTAG, "sizeValueToString called with non-positive value");
- return "0";
- }
- float megabytes = (float) bytes / (1024.0F * 1024.0F);
- int truncated = (int) Math.ceil(megabytes * 10.0F);
- float result = (float) (truncated / 10.0F);
- return String.valueOf(result);
- }
- /*
- * If we receive the back event and are displaying
- * site's settings, we want to go back to the main
- * list view. If not, we just do nothing (see
- * dispatchKeyEvent() below).
- */
- public boolean backKeyPressed() {
- if (mCurrentSite != null) {
- mCurrentSite = null;
- askForOrigins();
- return true;
- }
- return false;
- }
- /**
- * @hide
- * Utility function
- * Set the icon according to the usage
- */
- public void setIconForUsage(ImageView usageIcon, long usageInBytes) {
- float usageInMegabytes = (float) usageInBytes / (1024.0F * 1024.0F);
- usageIcon.setVisibility(View.VISIBLE);
- // We set the correct icon:
- // 0 < empty < 0.1MB
- // 0.1MB < low < 5MB
- // 5MB < high
- if (usageInMegabytes <= 0.1) {
- usageIcon.setImageBitmap(mUsageEmptyIcon);
- } else if (usageInMegabytes > 0.1 && usageInMegabytes <= 5) {
- usageIcon.setImageBitmap(mUsageLowIcon);
- } else if (usageInMegabytes > 5) {
- usageIcon.setImageBitmap(mUsageHighIcon);
- }
- }
- public View getView(int position, View convertView, ViewGroup parent) {
- View view;
- final TextView title;
- final TextView subtitle;
- ImageView icon;
- final ImageView usageIcon;
- final ImageView locationIcon;
- if (convertView == null) {
- view = mInflater.inflate(mResource, parent, false);
- } else {
- view = convertView;
- }
- title = (TextView) view.findViewById(R.id.title);
- subtitle = (TextView) view.findViewById(R.id.subtitle);
- icon = (ImageView) view.findViewById(R.id.icon);
- usageIcon = (ImageView) view.findViewById(R.id.usage_icon);
- locationIcon = (ImageView) view.findViewById(R.id.location_icon);
- usageIcon.setVisibility(View.GONE);
- locationIcon.setVisibility(View.GONE);
- if (mCurrentSite == null) {
- setTitle(getString(R.string.pref_extras_website_settings));
- Site site = getItem(position);
- title.setText(site.getPrettyTitle());
- subtitle.setText(site.getPrettyOrigin());
- icon.setVisibility(View.VISIBLE);
- usageIcon.setVisibility(View.INVISIBLE);
- locationIcon.setVisibility(View.INVISIBLE);
- Bitmap bmp = site.getIcon();
- if (bmp == null) {
- bmp = mDefaultIcon;
- }
- icon.setImageBitmap(bmp);
- // We set the site as the view's tag,
- // so that we can get it in onItemClick()
- view.setTag(site);
- String origin = site.getOrigin();
- /*
- if (site.hasFeature(Site.FEATURE_WEB_STORAGE)) {
- WebStorage.getInstance().getUsageForOrigin(origin, new ValueCallback<Long>() {
- public void onReceiveValue(Long value) {
- if (value != null) {
- setIconForUsage(usageIcon, value.longValue());
- }
- }
- });
- }
- */
- /*
- if (site.hasFeature(Site.FEATURE_GEOLOCATION)) {
- locationIcon.setVisibility(View.VISIBLE);
- GeolocationPermissions.getInstance().getAllowed(origin, new ValueCallback<Boolean>() {
- public void onReceiveValue(Boolean allowed) {
- if (allowed != null) {
- if (allowed.booleanValue()) {
- locationIcon.setImageBitmap(mLocationAllowedIcon);
- } else {
- locationIcon.setImageBitmap(mLocationDisallowedIcon);
- }
- }
- }
- });
- }
- */
- } else {
- setTitle(mCurrentSite.getPrettyTitle());
- icon.setVisibility(View.GONE);
- String origin = mCurrentSite.getOrigin();
- switch (mCurrentSite.getFeatureByIndex(position)) {
- /*
- case Site.FEATURE_WEB_STORAGE:
- WebStorage.getInstance().getUsageForOrigin(origin, new ValueCallback<Long>() {
- public void onReceiveValue(Long value) {
- if (value != null) {
- String usage = sizeValueToString(value.longValue()) + " " + sMBStored;
- title.setText(R.string.webstorage_clear_data_title);
- subtitle.setText(usage);
- }
- }
- });
- break;
- case Site.FEATURE_GEOLOCATION:
- title.setText(R.string.geolocation_settings_page_title);
- GeolocationPermissions.getInstance().getAllowed(origin, new ValueCallback<Boolean>() {
- public void onReceiveValue(Boolean allowed) {
- if (allowed != null) {
- if (allowed.booleanValue()) {
- subtitle.setText(R.string.geolocation_settings_page_summary_allowed);
- } else {
- subtitle.setText(R.string.geolocation_settings_page_summary_not_allowed);
- }
- }
- }
- });
- break;
- */
- }
-
- }
- return view;
- }
- public void onItemClick(AdapterView<?> parent,
- View view,
- int position,
- long id) {
- if (mCurrentSite != null) {
- switch (mCurrentSite.getFeatureByIndex(position)) {
- case Site.FEATURE_WEB_STORAGE:
- new AlertDialog.Builder(getContext())
- .setTitle(R.string.webstorage_clear_data_dialog_title)
- .setMessage(R.string.webstorage_clear_data_dialog_message)
- .setPositiveButton(R.string.webstorage_clear_data_dialog_ok_button,
- new AlertDialog.OnClickListener() {
- public void onClick(DialogInterface dlg, int which) {
- // WebStorage.getInstance().deleteOrigin(mCurrentSite.getOrigin());
- mCurrentSite = null;
- askForOrigins();
- }})
- .setNegativeButton(R.string.webstorage_clear_data_dialog_cancel_button, null)
- .setIcon(android.R.drawable.ic_dialog_alert)
- .show();
- break;
- case Site.FEATURE_GEOLOCATION:
- new AlertDialog.Builder(getContext())
- .setTitle(R.string.geolocation_settings_page_dialog_title)
- .setMessage(R.string.geolocation_settings_page_dialog_message)
- .setPositiveButton(R.string.geolocation_settings_page_dialog_ok_button,
- new AlertDialog.OnClickListener() {
- public void onClick(DialogInterface dlg, int which) {
- // GeolocationPermissions.getInstance().clear(mCurrentSite.getOrigin());
- mCurrentSite = null;
- askForOrigins();
- }})
- .setNegativeButton(R.string.geolocation_settings_page_dialog_cancel_button, null)
- .setIcon(android.R.drawable.ic_dialog_alert)
- .show();
- break;
- }
- } else {
- mCurrentSite = (Site) view.getTag();
- notifyDataSetChanged();
- }
- }
- }
- /**
- * Intercepts the back key to immediately notify
- * NativeDialog that we are done.
- */
- public boolean dispatchKeyEvent(KeyEvent event) {
- if ((event.getKeyCode() == KeyEvent.KEYCODE_BACK)
- && (event.getAction() == KeyEvent.ACTION_DOWN)) {
- if ((mAdapter != null) && (mAdapter.backKeyPressed())){
- return true; // event consumed
- }
- }
- return super.dispatchKeyEvent(event);
- }
- @Override
- protected void onCreate(Bundle icicle) {
- super.onCreate(icicle);
- if (sMBStored == null) {
- sMBStored = getString(R.string.webstorage_origin_summary_mb_stored);
- }
- mAdapter = new SiteAdapter(this, R.layout.website_settings_row);
- setListAdapter(mAdapter);
- getListView().setOnItemClickListener(mAdapter);
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- MenuInflater inflater = getMenuInflater();
- inflater.inflate(R.menu.websitesettings, menu);
- return true;
- }
- @Override
- public boolean onPrepareOptionsMenu(Menu menu) {
- // If we aren't listing any sites hide the clear all button (and hence the menu).
- return mAdapter.getCount() > 0;
- }
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- switch (item.getItemId()) {
- case R.id.website_settings_menu_clear_all:
- // Show the prompt to clear all origins of their data and geolocation permissions.
- new AlertDialog.Builder(this)
- .setTitle(R.string.website_settings_clear_all_dialog_title)
- .setMessage(R.string.website_settings_clear_all_dialog_message)
- .setPositiveButton(R.string.website_settings_clear_all_dialog_ok_button,
- new AlertDialog.OnClickListener() {
- public void onClick(DialogInterface dlg, int which) {
- // WebStorage.getInstance().deleteAllData();
- // GeolocationPermissions.getInstance().clearAll();
- WebStorageSizeManager.resetLastOutOfSpaceNotificationTime();
- mAdapter.askForOrigins();
- finish();
- }})
- .setNegativeButton(R.string.website_settings_clear_all_dialog_cancel_button, null)
- .setIcon(android.R.drawable.ic_dialog_alert)
- .show();
- return true;
- }
- return false;
- }
- }