src/com/android/contacts/SpecialCharSequenceMgr.java - platform/packages/apps/Contacts - Git at Google

 /*
  * Copyright (C) 2006 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.internal.telephony.ITelephony;

 import android.app.AlertDialog;
 import android.app.KeyguardManager;
 import android.app.ProgressDialog;
 import android.content.AsyncQueryHandler;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Telephony.Intents;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 import android.view.WindowManager;
 import android.widget.EditText;
 import android.widget.Toast;

 /**
  * Helper class to listen for some magic character sequences
  * that are handled specially by the dialer.
  *
  * TODO: there's lots of duplicated code between this class and the
  * corresponding class under apps/Phone.  Let's figure out a way to
  * unify these two classes (in the framework? in a common shared library?)
  */
 public class SpecialCharSequenceMgr {
     private static final String TAG = "SpecialCharSequenceMgr";
     private static final String MMI_IMEI_DISPLAY = "*#06#";

     /** This class is never instantiated. */
     private SpecialCharSequenceMgr() {
     }

     static boolean handleChars(Context context, String input, EditText textField) {
         return handleChars(context, input, false, textField);
     }

     static boolean handleChars(Context context, String input) {
         return handleChars(context, input, false, null);
     }

     static boolean handleChars(Context context, String input, boolean useSystemWindow,
             EditText textField) {

         //get rid of the separators so that the string gets parsed correctly
         String dialString = PhoneNumberUtils.stripSeparators(input);

         if (handleIMEIDisplay(context, dialString, useSystemWindow)
                 || handlePinEntry(context, dialString)
                 || handleAdnEntry(context, dialString, textField)
                 || handleSecretCode(context, dialString)) {
             return true;
         }

         return false;
     }

     /**
      * Handles secret codes to launch arbitrary activities in the form of *#*#<code>#*#*.
      * If a secret code is encountered an Intent is started with the android_secret_code://<code>
      * URI.
      *
      * @param context the context to use
      * @param input the text to check for a secret code in
      * @return true if a secret code was encountered
      */
     static boolean handleSecretCode(Context context, String input) {
         // Secret codes are in the form *#*#<code>#*#*
         int len = input.length();
         if (len > 8 && input.startsWith("*#*#") && input.endsWith("#*#*")) {
             Intent intent = new Intent(Intents.SECRET_CODE_ACTION,
                     Uri.parse("android_secret_code://" + input.substring(4, len - 4)));
             context.sendBroadcast(intent);
             return true;
         }

         return false;
     }

     /**
      * Handle ADN requests by filling in the SIM contact number into the requested
      * EditText.
      *
      * This code works alongside the Asynchronous query handler {@link QueryHandler}
      * and query cancel handler implemented in {@link SimContactQueryCookie}.
      */
     static boolean handleAdnEntry(Context context, String input, EditText textField) {
         /* ADN entries are of the form "N(N)(N)#" */

         // if the phone is keyguard-restricted, then just ignore this
         // input.  We want to make sure that sim card contacts are NOT
         // exposed unless the phone is unlocked, and this code can be
         // accessed from the emergency dialer.
         KeyguardManager keyguardManager =
                 (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
         if (keyguardManager.inKeyguardRestrictedInputMode()) {
             return false;
         }

         int len = input.length();
         if ((len > 1) && (len < 5) && (input.endsWith("#"))) {
             try {
                 // get the ordinal number of the sim contact
                 int index = Integer.parseInt(input.substring(0, len-1));

                 // The original code that navigated to a SIM Contacts list view did not
                 // highlight the requested contact correctly, a requirement for PTCRB
                 // certification.  This behaviour is consistent with the UI paradigm
                 // for touch-enabled lists, so it does not make sense to try to work
                 // around it.  Instead we fill in the the requested phone number into
                 // the dialer text field.

                 // create the async query handler
                 QueryHandler handler = new QueryHandler (context.getContentResolver());

                 // create the cookie object
                 SimContactQueryCookie sc = new SimContactQueryCookie(index - 1, handler,
                         ADN_QUERY_TOKEN);

                 // setup the cookie fields
                 sc.contactNum = index - 1;
                 sc.setTextField(textField);

                 // create the progress dialog
                 sc.progressDialog = new ProgressDialog(context);
                 sc.progressDialog.setTitle(R.string.simContacts_title);
                 sc.progressDialog.setMessage(context.getText(R.string.simContacts_emptyLoading));
                 sc.progressDialog.setIndeterminate(true);
                 sc.progressDialog.setCancelable(true);
                 sc.progressDialog.setOnCancelListener(sc);
                 sc.progressDialog.getWindow().addFlags(
                         WindowManager.LayoutParams.FLAG_BLUR_BEHIND);

                 // display the progress dialog
                 sc.progressDialog.show();

                 // run the query.
                 handler.startQuery(ADN_QUERY_TOKEN, sc, Uri.parse("content://icc/adn"),
                         new String[]{ADN_PHONE_NUMBER_COLUMN_NAME}, null, null, null);
                 return true;
             } catch (NumberFormatException ex) {
                 // Ignore
             }
         }
         return false;
     }

     static boolean handlePinEntry(Context context, String input) {
         if ((input.startsWith("**04") || input.startsWith("**05")) && input.endsWith("#")) {
             try {
                 return ITelephony.Stub.asInterface(ServiceManager.getService("phone"))
                         .handlePinMmi(input);
             } catch (RemoteException e) {
                 Log.e(TAG, "Failed to handlePinMmi due to remote exception");
                 return false;
             }
         }
         return false;
     }

     static boolean handleIMEIDisplay(Context context, String input, boolean useSystemWindow) {
         if (input.equals(MMI_IMEI_DISPLAY)) {
             int phoneType = ((TelephonyManager)context.getSystemService(
                     Context.TELEPHONY_SERVICE)).getPhoneType();

             if (phoneType == TelephonyManager.PHONE_TYPE_GSM) {
                 showIMEIPanel(context, useSystemWindow);
                 return true;
             } else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) {
                 showMEIDPanel(context, useSystemWindow);
                 return true;
             }
         }

         return false;
     }

     static void showIMEIPanel(Context context, boolean useSystemWindow) {
         String imeiStr = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE))
                 .getDeviceId();

         AlertDialog alert = new AlertDialog.Builder(context)
                 .setTitle(R.string.imei)
                 .setMessage(imeiStr)
                 .setPositiveButton(android.R.string.ok, null)
                 .setCancelable(false)
                 .show();
         alert.getWindow().setType(WindowManager.LayoutParams.TYPE_PRIORITY_PHONE);
     }

     static void showMEIDPanel(Context context, boolean useSystemWindow) {
         String meidStr = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE))
                 .getDeviceId();

         AlertDialog alert = new AlertDialog.Builder(context)
                 .setTitle(R.string.meid)
                 .setMessage(meidStr)
                 .setPositiveButton(android.R.string.ok, null)
                 .setCancelable(false)
                 .show();
         alert.getWindow().setType(WindowManager.LayoutParams.TYPE_PRIORITY_PHONE);
     }

     /*******
      * This code is used to handle SIM Contact queries
      *******/
     private static final String ADN_PHONE_NUMBER_COLUMN_NAME = "number";
     private static final String ADN_NAME_COLUMN_NAME = "name";
     private static final int ADN_QUERY_TOKEN = -1;

     /**
      * Cookie object that contains everything we need to communicate to the
      * handler's onQuery Complete, as well as what we need in order to cancel
      * the query (if requested).
      *
      * Note, access to the textField field is going to be synchronized, because
      * the user can request a cancel at any time through the UI.
      */
     private static class SimContactQueryCookie implements DialogInterface.OnCancelListener{
         public ProgressDialog progressDialog;
         public int contactNum;

         // Used to identify the query request.
         private int mToken;
         private QueryHandler mHandler;

         // The text field we're going to update
         private EditText textField;

         public SimContactQueryCookie(int number, QueryHandler handler, int token) {
             contactNum = number;
             mHandler = handler;
             mToken = token;
         }

         /**
          * Synchronized getter for the EditText.
          */
         public synchronized EditText getTextField() {
             return textField;
         }

         /**
          * Synchronized setter for the EditText.
          */
         public synchronized void setTextField(EditText text) {
             textField = text;
         }

         /**
          * Cancel the ADN query by stopping the operation and signaling
          * the cookie that a cancel request is made.
          */
         public synchronized void onCancel(DialogInterface dialog) {
             // close the progress dialog
             if (progressDialog != null) {
                 progressDialog.dismiss();
             }

             // setting the textfield to null ensures that the UI does NOT get
             // updated.
             textField = null;

             // Cancel the operation if possible.
             mHandler.cancelOperation(mToken);
         }
     }

     /**
      * Asynchronous query handler that services requests to look up ADNs
      *
      * Queries originate from {@link handleAdnEntry}.
      */
     private static class QueryHandler extends AsyncQueryHandler {

         public QueryHandler(ContentResolver cr) {
             super(cr);
         }

         /**
          * Override basic onQueryComplete to fill in the textfield when
          * we're handed the ADN cursor.
          */
         @Override
         protected void onQueryComplete(int token, Object cookie, Cursor c) {
             SimContactQueryCookie sc = (SimContactQueryCookie) cookie;

             // close the progress dialog.
             sc.progressDialog.dismiss();

             // get the EditText to update or see if the request was cancelled.
             EditText text = sc.getTextField();

             // if the textview is valid, and the cursor is valid and postionable
             // on the Nth number, then we update the text field and display a
             // toast indicating the caller name.
             if ((c != null) && (text != null) && (c.moveToPosition(sc.contactNum))) {
                 String name = c.getString(c.getColumnIndexOrThrow(ADN_NAME_COLUMN_NAME));
                 String number = c.getString(c.getColumnIndexOrThrow(ADN_PHONE_NUMBER_COLUMN_NAME));

                 // fill the text in.
                 text.getText().replace(0, 0, number);

                 // display the name as a toast
                 Context context = sc.progressDialog.getContext();
                 name = context.getString(R.string.menu_callNumber, name);
                 Toast.makeText(context, name, Toast.LENGTH_SHORT)
                     .show();
             }
         }
     }
 }
	/*
	* Copyright (C) 2006 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.internal.telephony.ITelephony;

	import android.app.AlertDialog;
	import android.app.KeyguardManager;
	import android.app.ProgressDialog;
	import android.content.AsyncQueryHandler;
	import android.content.ContentResolver;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.database.Cursor;
	import android.net.Uri;
	import android.os.RemoteException;
	import android.os.ServiceManager;
	import android.provider.Telephony.Intents;
	import android.telephony.PhoneNumberUtils;
	import android.telephony.TelephonyManager;
	import android.util.Log;
	import android.view.WindowManager;
	import android.widget.EditText;
	import android.widget.Toast;

	/**
	* Helper class to listen for some magic character sequences
	* that are handled specially by the dialer.
	*
	* TODO: there's lots of duplicated code between this class and the
	* corresponding class under apps/Phone. Let's figure out a way to
	* unify these two classes (in the framework? in a common shared library?)
	*/
	public class SpecialCharSequenceMgr {
	private static final String TAG = "SpecialCharSequenceMgr";
	private static final String MMI_IMEI_DISPLAY = "*#06#";

	/** This class is never instantiated. */
	private SpecialCharSequenceMgr() {
	}

	static boolean handleChars(Context context, String input, EditText textField) {
	return handleChars(context, input, false, textField);
	}

	static boolean handleChars(Context context, String input) {
	return handleChars(context, input, false, null);
	}

	static boolean handleChars(Context context, String input, boolean useSystemWindow,
	EditText textField) {

	//get rid of the separators so that the string gets parsed correctly
	String dialString = PhoneNumberUtils.stripSeparators(input);

	if (handleIMEIDisplay(context, dialString, useSystemWindow)
	\|\| handlePinEntry(context, dialString)
	\|\| handleAdnEntry(context, dialString, textField)
	\|\| handleSecretCode(context, dialString)) {
	return true;
	}

	return false;
	}

	/**
	* Handles secret codes to launch arbitrary activities in the form of ##<code>##.
	* If a secret code is encountered an Intent is started with the android_secret_code://<code>
	* URI.
	*
	* @param context the context to use
	* @param input the text to check for a secret code in
	* @return true if a secret code was encountered
	*/
	static boolean handleSecretCode(Context context, String input) {
	// Secret codes are in the form ##<code>##
	int len = input.length();
	if (len > 8 && input.startsWith("##") && input.endsWith("##")) {
	Intent intent = new Intent(Intents.SECRET_CODE_ACTION,
	Uri.parse("android_secret_code://" + input.substring(4, len - 4)));
	context.sendBroadcast(intent);
	return true;
	}

	return false;
	}

	/**
	* Handle ADN requests by filling in the SIM contact number into the requested
	* EditText.
	*
	* This code works alongside the Asynchronous query handler {@link QueryHandler}
	* and query cancel handler implemented in {@link SimContactQueryCookie}.
	*/
	static boolean handleAdnEntry(Context context, String input, EditText textField) {
	/* ADN entries are of the form "N(N)(N)#" */

	// if the phone is keyguard-restricted, then just ignore this
	// input. We want to make sure that sim card contacts are NOT
	// exposed unless the phone is unlocked, and this code can be
	// accessed from the emergency dialer.
	KeyguardManager keyguardManager =
	(KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
	if (keyguardManager.inKeyguardRestrictedInputMode()) {
	return false;
	}

	int len = input.length();
	if ((len > 1) && (len < 5) && (input.endsWith("#"))) {
	try {
	// get the ordinal number of the sim contact
	int index = Integer.parseInt(input.substring(0, len-1));

	// The original code that navigated to a SIM Contacts list view did not
	// highlight the requested contact correctly, a requirement for PTCRB
	// certification. This behaviour is consistent with the UI paradigm
	// for touch-enabled lists, so it does not make sense to try to work
	// around it. Instead we fill in the the requested phone number into
	// the dialer text field.

	// create the async query handler
	QueryHandler handler = new QueryHandler (context.getContentResolver());

	// create the cookie object
	SimContactQueryCookie sc = new SimContactQueryCookie(index - 1, handler,
	ADN_QUERY_TOKEN);

	// setup the cookie fields
	sc.contactNum = index - 1;
	sc.setTextField(textField);

	// create the progress dialog
	sc.progressDialog = new ProgressDialog(context);
	sc.progressDialog.setTitle(R.string.simContacts_title);
	sc.progressDialog.setMessage(context.getText(R.string.simContacts_emptyLoading));
	sc.progressDialog.setIndeterminate(true);
	sc.progressDialog.setCancelable(true);
	sc.progressDialog.setOnCancelListener(sc);
	sc.progressDialog.getWindow().addFlags(
	WindowManager.LayoutParams.FLAG_BLUR_BEHIND);

	// display the progress dialog
	sc.progressDialog.show();

	// run the query.
	handler.startQuery(ADN_QUERY_TOKEN, sc, Uri.parse("content://icc/adn"),
	new String[]{ADN_PHONE_NUMBER_COLUMN_NAME}, null, null, null);
	return true;
	} catch (NumberFormatException ex) {
	// Ignore
	}
	}
	return false;
	}

	static boolean handlePinEntry(Context context, String input) {
	if ((input.startsWith("04") \|\| input.startsWith("05")) && input.endsWith("#")) {
	try {
	return ITelephony.Stub.asInterface(ServiceManager.getService("phone"))
	.handlePinMmi(input);
	} catch (RemoteException e) {
	Log.e(TAG, "Failed to handlePinMmi due to remote exception");
	return false;
	}
	}
	return false;
	}

	static boolean handleIMEIDisplay(Context context, String input, boolean useSystemWindow) {
	if (input.equals(MMI_IMEI_DISPLAY)) {
	int phoneType = ((TelephonyManager)context.getSystemService(
	Context.TELEPHONY_SERVICE)).getPhoneType();

	if (phoneType == TelephonyManager.PHONE_TYPE_GSM) {
	showIMEIPanel(context, useSystemWindow);
	return true;
	} else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) {
	showMEIDPanel(context, useSystemWindow);
	return true;
	}
	}

	return false;
	}

	static void showIMEIPanel(Context context, boolean useSystemWindow) {
	String imeiStr = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE))
	.getDeviceId();

	AlertDialog alert = new AlertDialog.Builder(context)
	.setTitle(R.string.imei)
	.setMessage(imeiStr)
	.setPositiveButton(android.R.string.ok, null)
	.setCancelable(false)
	.show();
	alert.getWindow().setType(WindowManager.LayoutParams.TYPE_PRIORITY_PHONE);
	}

	static void showMEIDPanel(Context context, boolean useSystemWindow) {
	String meidStr = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE))
	.getDeviceId();

	AlertDialog alert = new AlertDialog.Builder(context)
	.setTitle(R.string.meid)
	.setMessage(meidStr)
	.setPositiveButton(android.R.string.ok, null)
	.setCancelable(false)
	.show();
	alert.getWindow().setType(WindowManager.LayoutParams.TYPE_PRIORITY_PHONE);
	}

	/*******
	* This code is used to handle SIM Contact queries
	*******/
	private static final String ADN_PHONE_NUMBER_COLUMN_NAME = "number";
	private static final String ADN_NAME_COLUMN_NAME = "name";
	private static final int ADN_QUERY_TOKEN = -1;

	/**
	* Cookie object that contains everything we need to communicate to the
	* handler's onQuery Complete, as well as what we need in order to cancel
	* the query (if requested).
	*
	* Note, access to the textField field is going to be synchronized, because
	* the user can request a cancel at any time through the UI.
	*/
	private static class SimContactQueryCookie implements DialogInterface.OnCancelListener{
	public ProgressDialog progressDialog;
	public int contactNum;

	// Used to identify the query request.
	private int mToken;
	private QueryHandler mHandler;

	// The text field we're going to update
	private EditText textField;

	public SimContactQueryCookie(int number, QueryHandler handler, int token) {
	contactNum = number;
	mHandler = handler;
	mToken = token;
	}

	/**
	* Synchronized getter for the EditText.
	*/
	public synchronized EditText getTextField() {
	return textField;
	}

	/**
	* Synchronized setter for the EditText.
	*/
	public synchronized void setTextField(EditText text) {
	textField = text;
	}

	/**
	* Cancel the ADN query by stopping the operation and signaling
	* the cookie that a cancel request is made.
	*/
	public synchronized void onCancel(DialogInterface dialog) {
	// close the progress dialog
	if (progressDialog != null) {
	progressDialog.dismiss();
	}

	// setting the textfield to null ensures that the UI does NOT get
	// updated.
	textField = null;

	// Cancel the operation if possible.
	mHandler.cancelOperation(mToken);
	}
	}

	/**
	* Asynchronous query handler that services requests to look up ADNs
	*
	* Queries originate from {@link handleAdnEntry}.
	*/
	private static class QueryHandler extends AsyncQueryHandler {

	public QueryHandler(ContentResolver cr) {
	super(cr);
	}

	/**
	* Override basic onQueryComplete to fill in the textfield when
	* we're handed the ADN cursor.
	*/
	@Override
	protected void onQueryComplete(int token, Object cookie, Cursor c) {
	SimContactQueryCookie sc = (SimContactQueryCookie) cookie;

	// close the progress dialog.
	sc.progressDialog.dismiss();

	// get the EditText to update or see if the request was cancelled.
	EditText text = sc.getTextField();

	// if the textview is valid, and the cursor is valid and postionable
	// on the Nth number, then we update the text field and display a
	// toast indicating the caller name.
	if ((c != null) && (text != null) && (c.moveToPosition(sc.contactNum))) {
	String name = c.getString(c.getColumnIndexOrThrow(ADN_NAME_COLUMN_NAME));
	String number = c.getString(c.getColumnIndexOrThrow(ADN_PHONE_NUMBER_COLUMN_NAME));

	// fill the text in.
	text.getText().replace(0, 0, number);

	// display the name as a toast
	Context context = sc.progressDialog.getContext();
	name = context.getString(R.string.menu_callNumber, name);
	Toast.makeText(context, name, Toast.LENGTH_SHORT)
	.show();
	}
	}
	}
	}