src/com/android/browser/WebsiteSettingsActivity.java - android_packages_apps_Gello - Gitiles

 /*
  * 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.android.browser;

 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.View;
 import android.view.ViewGroup;
 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.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).
  */
 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;

         public Site(String origin) {
             mOrigin = origin;
             mTitle = null;
             mIcon = null;
         }

         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 Site mCurrentSite;
         private final static int STORED_DATA = 0;

         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);
             populateOrigins();
         }

         public void populateOrigins() {
             clear();

             // Get the list of origins we want to display
             Set origins = WebStorage.getInstance().getOrigins();
             Set sites = new HashSet<Site>();
             if (origins != null) {
                 Iterator<String> iter = origins.iterator();
                 while (iter.hasNext()) {
                     String origin = iter.next();
                     Site site = new Site(origin);
                     sites.add(site);
                 }
             }

             // 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> >();
             Iterator<Site> sitesIter = sites.iterator();
             while (sitesIter.hasNext()) {
                 Site site = sitesIter.next();
                 String host = Uri.parse(site.getOrigin()).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);
                         sitesIter = matchingSites.iterator();
                         while (sitesIter.hasNext()) {
                             Site site = sitesIter.next();
                             site.setTitle(title);
                             if (bmp != null) {
                                 site.setIcon(bmp);
                             }
                         }
                     }
                 } while (c.moveToNext());
             }

             // We can now simply populate our array with Site instances
             sitesIter = sites.iterator();
             while (sitesIter.hasNext()) {
                 Site site = sitesIter.next();
                 add(site);
             }

             if (getCount() == 0) {
                 finish(); // we close the screen
             }
         }

         public int getCount() {
             if (mCurrentSite == null) {
                 return super.getCount();
             }
             return 1; // db view
         }

         public String sizeValueToString(long value) {
             float mb = (float) value / (1024.0F * 1024.0F);
             int val = (int) (mb * 10);
             float ret = (float) (val / 10.0F);
             if (ret <= 0) {
                 return "0";
             }
             return String.valueOf(ret);
         }

         /*
          * 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;
                 populateOrigins();
                 notifyDataSetChanged();
                 return true;
             }
             return false;
         }

         public View getView(int position, View convertView, ViewGroup parent) {
             View view;
             TextView title;
             TextView subtitle;
             ImageView icon;

             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);

             if (mCurrentSite == null) {
                 Site site = getItem(position);
                 title.setText(site.getPrettyTitle());
                 subtitle.setText(site.getPrettyOrigin());
                 icon.setVisibility(View.VISIBLE);
                 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);
             } else {
                 icon.setVisibility(View.GONE);
                 if (position == STORED_DATA) {
                     String origin = mCurrentSite.getOrigin();
                     long usageValue = WebStorage.getInstance().getUsageForOrigin(origin);
                     String usage = sizeValueToString(usageValue) + " " + sMBStored;

                     title.setText(R.string.webstorage_clear_data_title);
                     subtitle.setText(usage);
                 }
             }

             return view;
         }

         public void onItemClick(AdapterView<?> parent,
                                 View view,
                                 int position,
                                 long id) {
             if (mCurrentSite != null) {
                 if (position == STORED_DATA) {
                     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;
                                 populateOrigins();
                                 notifyDataSetChanged();
                             }})
                         .setNegativeButton(R.string.webstorage_clear_data_dialog_cancel_button, null)
                         .setIcon(android.R.drawable.ic_dialog_alert)
                         .show();
                 }
             } 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.application);
         setListAdapter(mAdapter);
         getListView().setOnItemClickListener(mAdapter);
     }
 }
	/*
	* 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.android.browser;

	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.View;
	import android.view.ViewGroup;
	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.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).
	*/
	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;

	public Site(String origin) {
	mOrigin = origin;
	mTitle = null;
	mIcon = null;
	}

	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 Site mCurrentSite;
	private final static int STORED_DATA = 0;

	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);
	populateOrigins();
	}

	public void populateOrigins() {
	clear();

	// Get the list of origins we want to display
	Set origins = WebStorage.getInstance().getOrigins();
	Set sites = new HashSet<Site>();
	if (origins != null) {
	Iterator<String> iter = origins.iterator();
	while (iter.hasNext()) {
	String origin = iter.next();
	Site site = new Site(origin);
	sites.add(site);
	}
	}

	// 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> >();
	Iterator<Site> sitesIter = sites.iterator();
	while (sitesIter.hasNext()) {
	Site site = sitesIter.next();
	String host = Uri.parse(site.getOrigin()).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);
	sitesIter = matchingSites.iterator();
	while (sitesIter.hasNext()) {
	Site site = sitesIter.next();
	site.setTitle(title);
	if (bmp != null) {
	site.setIcon(bmp);
	}
	}
	}
	} while (c.moveToNext());
	}

	// We can now simply populate our array with Site instances
	sitesIter = sites.iterator();
	while (sitesIter.hasNext()) {
	Site site = sitesIter.next();
	add(site);
	}

	if (getCount() == 0) {
	finish(); // we close the screen
	}
	}

	public int getCount() {
	if (mCurrentSite == null) {
	return super.getCount();
	}
	return 1; // db view
	}

	public String sizeValueToString(long value) {
	float mb = (float) value / (1024.0F * 1024.0F);
	int val = (int) (mb * 10);
	float ret = (float) (val / 10.0F);
	if (ret <= 0) {
	return "0";
	}
	return String.valueOf(ret);
	}

	/*
	* 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;
	populateOrigins();
	notifyDataSetChanged();
	return true;
	}
	return false;
	}

	public View getView(int position, View convertView, ViewGroup parent) {
	View view;
	TextView title;
	TextView subtitle;
	ImageView icon;

	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);

	if (mCurrentSite == null) {
	Site site = getItem(position);
	title.setText(site.getPrettyTitle());
	subtitle.setText(site.getPrettyOrigin());
	icon.setVisibility(View.VISIBLE);
	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);
	} else {
	icon.setVisibility(View.GONE);
	if (position == STORED_DATA) {
	String origin = mCurrentSite.getOrigin();
	long usageValue = WebStorage.getInstance().getUsageForOrigin(origin);
	String usage = sizeValueToString(usageValue) + " " + sMBStored;

	title.setText(R.string.webstorage_clear_data_title);
	subtitle.setText(usage);
	}
	}

	return view;
	}

	public void onItemClick(AdapterView<?> parent,
	View view,
	int position,
	long id) {
	if (mCurrentSite != null) {
	if (position == STORED_DATA) {
	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;
	populateOrigins();
	notifyDataSetChanged();
	}})
	.setNegativeButton(R.string.webstorage_clear_data_dialog_cancel_button, null)
	.setIcon(android.R.drawable.ic_dialog_alert)
	.show();
	}
	} 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.application);
	setListAdapter(mAdapter);
	getListView().setOnItemClickListener(mAdapter);
	}
	}