src/com/android/contacts/ContactsUtils.java - android_packages_apps_Contacts - 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.contacts;

 import com.android.contacts.util.Constants;

 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.location.CountryDetector;
 import android.net.Uri;
 import android.provider.ContactsContract.CommonDataKinds.Email;
 import android.provider.ContactsContract.CommonDataKinds.Im;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
 import android.provider.ContactsContract.Data;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;

 public class ContactsUtils {
     private static final String TAG = "ContactsUtils";
     private static final String WAIT_SYMBOL_AS_STRING = String.valueOf(PhoneNumberUtils.WAIT);


     // TODO find a proper place for the canonical version of these
     public interface ProviderNames {
         String YAHOO = "Yahoo";
         String GTALK = "GTalk";
         String MSN = "MSN";
         String ICQ = "ICQ";
         String AIM = "AIM";
         String XMPP = "XMPP";
         String JABBER = "JABBER";
         String SKYPE = "SKYPE";
         String QQ = "QQ";
     }

     /**
      * This looks up the provider name defined in
      * ProviderNames from the predefined IM protocol id.
      * This is used for interacting with the IM application.
      *
      * @param protocol the protocol ID
      * @return the provider name the IM app uses for the given protocol, or null if no
      * provider is defined for the given protocol
      * @hide
      */
     public static String lookupProviderNameFromId(int protocol) {
         switch (protocol) {
             case Im.PROTOCOL_GOOGLE_TALK:
                 return ProviderNames.GTALK;
             case Im.PROTOCOL_AIM:
                 return ProviderNames.AIM;
             case Im.PROTOCOL_MSN:
                 return ProviderNames.MSN;
             case Im.PROTOCOL_YAHOO:
                 return ProviderNames.YAHOO;
             case Im.PROTOCOL_ICQ:
                 return ProviderNames.ICQ;
             case Im.PROTOCOL_JABBER:
                 return ProviderNames.JABBER;
             case Im.PROTOCOL_SKYPE:
                 return ProviderNames.SKYPE;
             case Im.PROTOCOL_QQ:
                 return ProviderNames.QQ;
         }
         return null;
     }

     public static final class ImActions {
         private final Intent mPrimaryIntent;
         private final Intent mSecondaryIntent;
         private final int mPrimaryActionIcon;
         private final int mSecondaryActionIcon;

         private ImActions(Intent primaryIntent, Intent secondaryIntent, int primaryActionIcon,
                 int secondaryActionIcon) {
             mPrimaryIntent = primaryIntent;
             mSecondaryIntent = secondaryIntent;
             mPrimaryActionIcon = primaryActionIcon;
             mSecondaryActionIcon = secondaryActionIcon;
         }

         public Intent getPrimaryIntent() {
             return mPrimaryIntent;
         }

         public Intent getSecondaryIntent() {
             return mSecondaryIntent;
         }

         public int getPrimaryActionIcon() {
             return mPrimaryActionIcon;
         }

         public int getSecondaryActionIcon() {
             return mSecondaryActionIcon;
         }
     }

     /**
      * Build {@link Intent} to launch an action for the given {@link Im} or
      * {@link Email} row. If the result is non-null, it either contains one or two Intents
      * (e.g. [Text, Videochat] or just [Text])
      * Returns null when missing protocol or data.
      */
     public static ImActions buildImActions(ContentValues values) {
         final boolean isEmail = Email.CONTENT_ITEM_TYPE.equals(values.getAsString(Data.MIMETYPE));

         if (!isEmail && !isProtocolValid(values)) {
             return null;
         }

         final String data = values.getAsString(isEmail ? Email.DATA : Im.DATA);
         if (TextUtils.isEmpty(data)) return null;

         final int protocol = isEmail ? Im.PROTOCOL_GOOGLE_TALK : values.getAsInteger(Im.PROTOCOL);

         if (protocol == Im.PROTOCOL_GOOGLE_TALK) {
             final Integer chatCapabilityObj = values.getAsInteger(Im.CHAT_CAPABILITY);
             final int chatCapability = chatCapabilityObj == null ? 0 : chatCapabilityObj;
             if ((chatCapability & Im.CAPABILITY_HAS_CAMERA) != 0) {
                 // Allow Video chat and Texting
                 return new ImActions(
                         new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message")),
                         new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?call")),
                         R.drawable.sym_action_talk_holo_light,
                         R.drawable.sym_action_videochat
                         );
             } else if ((chatCapability & Im.CAPABILITY_HAS_VOICE) != 0) {
                 // Allow Talking and Texting
                 return new ImActions(
                         new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message")),
                         new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?call")),
                         R.drawable.sym_action_talk_holo_light,
                         R.drawable.sym_action_audiochat
                         );
             } else {
                 return new ImActions(
                         new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message")),
                         null,
                         R.drawable.sym_action_talk_holo_light,
                         -1
                         );
             }
         } else {
             // Build an IM Intent
             String host = values.getAsString(Im.CUSTOM_PROTOCOL);

             if (protocol != Im.PROTOCOL_CUSTOM) {
                 // Try bringing in a well-known host for specific protocols
                 host = ContactsUtils.lookupProviderNameFromId(protocol);
             }

             if (!TextUtils.isEmpty(host)) {
                 final String authority = host.toLowerCase();
                 final Uri imUri = new Uri.Builder().scheme(Constants.SCHEME_IMTO).authority(
                         authority).appendPath(data).build();
                 return new ImActions(
                         new Intent(Intent.ACTION_SENDTO, imUri),
                         null,
                         R.drawable.sym_action_talk_holo_light,
                         -1
                         );
             } else {
                 return null;
             }
         }
     }

     private static boolean isProtocolValid(ContentValues values) {
         String protocolString = values.getAsString(Im.PROTOCOL);
         if (protocolString == null) {
             return false;
         }
         try {
             Integer.valueOf(protocolString);
         } catch (NumberFormatException e) {
             return false;
         }
         return true;
     }

     /**
      * Test if the given {@link CharSequence} contains any graphic characters,
      * first checking {@link TextUtils#isEmpty(CharSequence)} to handle null.
      */
     public static boolean isGraphic(CharSequence str) {
         return !TextUtils.isEmpty(str) && TextUtils.isGraphic(str);
     }

     /**
      * Returns true if two objects are considered equal.  Two null references are equal here.
      */
     public static boolean areObjectsEqual(Object a, Object b) {
         return a == b || (a != null && a.equals(b));
     }

     /**
      * Returns true if two data with mimetypes which represent values in contact entries are
      * considered equal for collapsing in the GUI. For caller-id, use
      * {@link PhoneNumberUtils#compare(Context, String, String)} instead
      */
     public static final boolean shouldCollapse(Context context, CharSequence mimetype1,
             CharSequence data1, CharSequence mimetype2, CharSequence data2) {
         if (TextUtils.equals(Phone.CONTENT_ITEM_TYPE, mimetype1)
                 && TextUtils.equals(Phone.CONTENT_ITEM_TYPE, mimetype2)) {
             if (data1 == data2) {
                 return true;
             }
             if (data1 == null || data2 == null) {
                 return false;
             }

             // If the number contains semicolons, PhoneNumberUtils.compare
             // only checks the substring before that (which is fine for caller-id usually)
             // but not for collapsing numbers. so we check each segment indidually to be more strict
             // TODO: This should be replaced once we have a more robust phonenumber-library
             String[] dataParts1 = data1.toString().split(WAIT_SYMBOL_AS_STRING);
             String[] dataParts2 = data2.toString().split(WAIT_SYMBOL_AS_STRING);
             if (dataParts1.length != dataParts2.length) {
                 return false;
             }
             for (int i = 0; i < dataParts1.length; i++) {
                 if (!PhoneNumberUtils.compare(context, dataParts1[i], dataParts2[i])) {
                     return false;
                 }
             }

             return true;
         } else {
             if (mimetype1 == mimetype2 && data1 == data2) {
                 return true;
             }
             return TextUtils.equals(mimetype1, mimetype2) && TextUtils.equals(data1, data2);
         }
     }

     /**
      * Returns true if two {@link Intent}s are both null, or have the same action.
      */
     public static final boolean areIntentActionEqual(Intent a, Intent b) {
         if (a == b) {
             return true;
         }
         if (a == null || b == null) {
             return false;
         }
         return TextUtils.equals(a.getAction(), b.getAction());
     }

     /**
      * @return The ISO 3166-1 two letters country code of the country the user
      *         is in.
      */
     public static final String getCurrentCountryIso(Context context) {
         CountryDetector detector =
                 (CountryDetector) context.getSystemService(Context.COUNTRY_DETECTOR);
         return detector.detectCountry().getCountryIso();
     }
 }
	/*
	* 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.contacts;

	import com.android.contacts.util.Constants;

	import android.content.ContentValues;
	import android.content.Context;
	import android.content.Intent;
	import android.location.CountryDetector;
	import android.net.Uri;
	import android.provider.ContactsContract.CommonDataKinds.Email;
	import android.provider.ContactsContract.CommonDataKinds.Im;
	import android.provider.ContactsContract.CommonDataKinds.Phone;
	import android.provider.ContactsContract.Data;
	import android.telephony.PhoneNumberUtils;
	import android.text.TextUtils;

	public class ContactsUtils {
	private static final String TAG = "ContactsUtils";
	private static final String WAIT_SYMBOL_AS_STRING = String.valueOf(PhoneNumberUtils.WAIT);


	// TODO find a proper place for the canonical version of these
	public interface ProviderNames {
	String YAHOO = "Yahoo";
	String GTALK = "GTalk";
	String MSN = "MSN";
	String ICQ = "ICQ";
	String AIM = "AIM";
	String XMPP = "XMPP";
	String JABBER = "JABBER";
	String SKYPE = "SKYPE";
	String QQ = "QQ";
	}

	/**
	* This looks up the provider name defined in
	* ProviderNames from the predefined IM protocol id.
	* This is used for interacting with the IM application.
	*
	* @param protocol the protocol ID
	* @return the provider name the IM app uses for the given protocol, or null if no
	* provider is defined for the given protocol
	* @hide
	*/
	public static String lookupProviderNameFromId(int protocol) {
	switch (protocol) {
	case Im.PROTOCOL_GOOGLE_TALK:
	return ProviderNames.GTALK;
	case Im.PROTOCOL_AIM:
	return ProviderNames.AIM;
	case Im.PROTOCOL_MSN:
	return ProviderNames.MSN;
	case Im.PROTOCOL_YAHOO:
	return ProviderNames.YAHOO;
	case Im.PROTOCOL_ICQ:
	return ProviderNames.ICQ;
	case Im.PROTOCOL_JABBER:
	return ProviderNames.JABBER;
	case Im.PROTOCOL_SKYPE:
	return ProviderNames.SKYPE;
	case Im.PROTOCOL_QQ:
	return ProviderNames.QQ;
	}
	return null;
	}

	public static final class ImActions {
	private final Intent mPrimaryIntent;
	private final Intent mSecondaryIntent;
	private final int mPrimaryActionIcon;
	private final int mSecondaryActionIcon;

	private ImActions(Intent primaryIntent, Intent secondaryIntent, int primaryActionIcon,
	int secondaryActionIcon) {
	mPrimaryIntent = primaryIntent;
	mSecondaryIntent = secondaryIntent;
	mPrimaryActionIcon = primaryActionIcon;
	mSecondaryActionIcon = secondaryActionIcon;
	}

	public Intent getPrimaryIntent() {
	return mPrimaryIntent;
	}

	public Intent getSecondaryIntent() {
	return mSecondaryIntent;
	}

	public int getPrimaryActionIcon() {
	return mPrimaryActionIcon;
	}

	public int getSecondaryActionIcon() {
	return mSecondaryActionIcon;
	}
	}

	/**
	* Build {@link Intent} to launch an action for the given {@link Im} or
	* {@link Email} row. If the result is non-null, it either contains one or two Intents
	* (e.g. [Text, Videochat] or just [Text])
	* Returns null when missing protocol or data.
	*/
	public static ImActions buildImActions(ContentValues values) {
	final boolean isEmail = Email.CONTENT_ITEM_TYPE.equals(values.getAsString(Data.MIMETYPE));

	if (!isEmail && !isProtocolValid(values)) {
	return null;
	}

	final String data = values.getAsString(isEmail ? Email.DATA : Im.DATA);
	if (TextUtils.isEmpty(data)) return null;

	final int protocol = isEmail ? Im.PROTOCOL_GOOGLE_TALK : values.getAsInteger(Im.PROTOCOL);

	if (protocol == Im.PROTOCOL_GOOGLE_TALK) {
	final Integer chatCapabilityObj = values.getAsInteger(Im.CHAT_CAPABILITY);
	final int chatCapability = chatCapabilityObj == null ? 0 : chatCapabilityObj;
	if ((chatCapability & Im.CAPABILITY_HAS_CAMERA) != 0) {
	// Allow Video chat and Texting
	return new ImActions(
	new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message")),
	new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?call")),
	R.drawable.sym_action_talk_holo_light,
	R.drawable.sym_action_videochat
	);
	} else if ((chatCapability & Im.CAPABILITY_HAS_VOICE) != 0) {
	// Allow Talking and Texting
	return new ImActions(
	new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message")),
	new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?call")),
	R.drawable.sym_action_talk_holo_light,
	R.drawable.sym_action_audiochat
	);
	} else {
	return new ImActions(
	new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message")),
	null,
	R.drawable.sym_action_talk_holo_light,
	-1
	);
	}
	} else {
	// Build an IM Intent
	String host = values.getAsString(Im.CUSTOM_PROTOCOL);

	if (protocol != Im.PROTOCOL_CUSTOM) {
	// Try bringing in a well-known host for specific protocols
	host = ContactsUtils.lookupProviderNameFromId(protocol);
	}

	if (!TextUtils.isEmpty(host)) {
	final String authority = host.toLowerCase();
	final Uri imUri = new Uri.Builder().scheme(Constants.SCHEME_IMTO).authority(
	authority).appendPath(data).build();
	return new ImActions(
	new Intent(Intent.ACTION_SENDTO, imUri),
	null,
	R.drawable.sym_action_talk_holo_light,
	-1
	);
	} else {
	return null;
	}
	}
	}

	private static boolean isProtocolValid(ContentValues values) {
	String protocolString = values.getAsString(Im.PROTOCOL);
	if (protocolString == null) {
	return false;
	}
	try {
	Integer.valueOf(protocolString);
	} catch (NumberFormatException e) {
	return false;
	}
	return true;
	}

	/**
	* Test if the given {@link CharSequence} contains any graphic characters,
	* first checking {@link TextUtils#isEmpty(CharSequence)} to handle null.
	*/
	public static boolean isGraphic(CharSequence str) {
	return !TextUtils.isEmpty(str) && TextUtils.isGraphic(str);
	}

	/**
	* Returns true if two objects are considered equal. Two null references are equal here.
	*/
	public static boolean areObjectsEqual(Object a, Object b) {
	return a == b \|\| (a != null && a.equals(b));
	}

	/**
	* Returns true if two data with mimetypes which represent values in contact entries are
	* considered equal for collapsing in the GUI. For caller-id, use
	* {@link PhoneNumberUtils#compare(Context, String, String)} instead
	*/
	public static final boolean shouldCollapse(Context context, CharSequence mimetype1,
	CharSequence data1, CharSequence mimetype2, CharSequence data2) {
	if (TextUtils.equals(Phone.CONTENT_ITEM_TYPE, mimetype1)
	&& TextUtils.equals(Phone.CONTENT_ITEM_TYPE, mimetype2)) {
	if (data1 == data2) {
	return true;
	}
	if (data1 == null \|\| data2 == null) {
	return false;
	}

	// If the number contains semicolons, PhoneNumberUtils.compare
	// only checks the substring before that (which is fine for caller-id usually)
	// but not for collapsing numbers. so we check each segment indidually to be more strict
	// TODO: This should be replaced once we have a more robust phonenumber-library
	String[] dataParts1 = data1.toString().split(WAIT_SYMBOL_AS_STRING);
	String[] dataParts2 = data2.toString().split(WAIT_SYMBOL_AS_STRING);
	if (dataParts1.length != dataParts2.length) {
	return false;
	}
	for (int i = 0; i < dataParts1.length; i++) {
	if (!PhoneNumberUtils.compare(context, dataParts1[i], dataParts2[i])) {
	return false;
	}
	}

	return true;
	} else {
	if (mimetype1 == mimetype2 && data1 == data2) {
	return true;
	}
	return TextUtils.equals(mimetype1, mimetype2) && TextUtils.equals(data1, data2);
	}
	}

	/**
	* Returns true if two {@link Intent}s are both null, or have the same action.
	*/
	public static final boolean areIntentActionEqual(Intent a, Intent b) {
	if (a == b) {
	return true;
	}
	if (a == null \|\| b == null) {
	return false;
	}
	return TextUtils.equals(a.getAction(), b.getAction());
	}

	/**
	* @return The ISO 3166-1 two letters country code of the country the user
	* is in.
	*/
	public static final String getCurrentCountryIso(Context context) {
	CountryDetector detector =
	(CountryDetector) context.getSystemService(Context.COUNTRY_DETECTOR);
	return detector.detectCountry().getCountryIso();
	}
	}