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

 /*
  * 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.activities;

 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.ComponentName;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.ContactsContract.CommonDataKinds.Email;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Intents;
 import android.provider.ContactsContract.PhoneLookup;
 import android.provider.ContactsContract.RawContacts;
 import android.util.Log;

 import com.android.contacts.ContactsActivity;
 import com.android.contacts.R;
 import com.android.contacts.util.Constants;
 import com.android.contacts.util.NotifyingAsyncQueryHandler;

 /**
  * Handle several edge cases around showing or possibly creating contacts in
  * connected with a specific E-mail address or phone number. Will search based
  * on incoming {@link Intent#getData()} as described by
  * {@link Intents#SHOW_OR_CREATE_CONTACT}.
  * <ul>
  * <li>If no matching contacts found, will prompt user with dialog to add to a
  * contact, then will use {@link Intent#ACTION_INSERT_OR_EDIT} to let create new
  * contact or edit new data into an existing one.
  * <li>If one matching contact found, directly show {@link Intent#ACTION_VIEW}
  * that specific contact.
  * <li>If more than one matching found, show list of matching contacts using
  * {@link Intent#ACTION_SEARCH}.
  * </ul>
  */
 public final class ShowOrCreateActivity extends ContactsActivity
         implements NotifyingAsyncQueryHandler.AsyncQueryListener {
     static final String TAG = "ShowOrCreateActivity";
     static final boolean LOGD = false;

     static final String[] PHONES_PROJECTION = new String[] {
         PhoneLookup._ID,
         PhoneLookup.LOOKUP_KEY,
     };

     static final String[] CONTACTS_PROJECTION = new String[] {
         Email.CONTACT_ID,
         Email.LOOKUP_KEY,
     };

     static final int CONTACT_ID_INDEX = 0;
     static final int LOOKUP_KEY_INDEX = 1;

     static final int CREATE_CONTACT_DIALOG = 1;

     static final int QUERY_TOKEN = 42;

     private NotifyingAsyncQueryHandler mQueryHandler;

     private Bundle mCreateExtras;
     private String mCreateDescrip;
     private boolean mCreateForce;

     @Override
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);

         // Create handler if doesn't exist, otherwise cancel any running
         if (mQueryHandler == null) {
             mQueryHandler = new NotifyingAsyncQueryHandler(this, this);
         } else {
             mQueryHandler.cancelOperation(QUERY_TOKEN);
         }

         final Intent intent = getIntent();
         final Uri data = intent.getData();

         // Unpack scheme and target data from intent
         String scheme = null;
         String ssp = null;
         if (data != null) {
             scheme = data.getScheme();
             ssp = data.getSchemeSpecificPart();
         }

         // Build set of extras for possible use when creating contact
         mCreateExtras = new Bundle();
         Bundle originalExtras = intent.getExtras();
         if (originalExtras != null) {
             mCreateExtras.putAll(originalExtras);
         }

         // Read possible extra with specific title
         mCreateDescrip = intent.getStringExtra(Intents.EXTRA_CREATE_DESCRIPTION);
         if (mCreateDescrip == null) {
             mCreateDescrip = ssp;
         }

         // Allow caller to bypass dialog prompt
         mCreateForce = intent.getBooleanExtra(Intents.EXTRA_FORCE_CREATE, false);

         // Handle specific query request
         if (Constants.SCHEME_MAILTO.equals(scheme)) {
             mCreateExtras.putString(Intents.Insert.EMAIL, ssp);

             Uri uri = Uri.withAppendedPath(Email.CONTENT_FILTER_URI, Uri.encode(ssp));
             mQueryHandler.startQuery(QUERY_TOKEN, null, uri, CONTACTS_PROJECTION, null, null, null);

         } else if (Constants.SCHEME_TEL.equals(scheme)) {
             mCreateExtras.putString(Intents.Insert.PHONE, ssp);

             Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, ssp);
             mQueryHandler.startQuery(QUERY_TOKEN, null, uri, PHONES_PROJECTION, null, null, null);

         } else {
             Log.w(TAG, "Invalid intent:" + getIntent());
             finish();
         }
     }

     @Override
     protected void onStop() {
         super.onStop();
         if (mQueryHandler != null) {
             mQueryHandler.cancelOperation(QUERY_TOKEN);
         }
     }

     /** {@inheritDoc} */
     public void onQueryComplete(int token, Object cookie, Cursor cursor) {
         if (cursor == null) {
             // Bail when problem running query in background
             finish();
             return;
         }

         // Count contacts found by query
         int count = 0;
         long contactId = -1;
         String lookupKey = null;
         try {
             count = cursor.getCount();
             if (count == 1 && cursor.moveToFirst()) {
                 // Try reading ID if only one contact returned
                 contactId = cursor.getLong(CONTACT_ID_INDEX);
                 lookupKey = cursor.getString(LOOKUP_KEY_INDEX);
             }
         } finally {
             cursor.close();
         }

         if (count == 1 && contactId != -1) {
             // If we only found one item, jump right to viewing it
             final Uri contactUri = Contacts.getLookupUri(contactId, lookupKey);
             final Intent viewIntent = new Intent(Intent.ACTION_VIEW, contactUri);
             startActivity(viewIntent);
             finish();

         } else if (count > 1) {
             // If more than one, show pick list
             Intent listIntent = new Intent(Intent.ACTION_SEARCH);
             listIntent.setComponent(new ComponentName(this, PeopleActivity.class));
             listIntent.putExtras(mCreateExtras);
             startActivity(listIntent);
             finish();

         } else {
             // No matching contacts found
             if (mCreateForce) {
                 // Forced to create new contact
                 Intent createIntent = new Intent(Intent.ACTION_INSERT, RawContacts.CONTENT_URI);
                 createIntent.putExtras(mCreateExtras);
                 createIntent.setType(RawContacts.CONTENT_TYPE);

                 startActivity(createIntent);
                 finish();

             } else {
                 showDialog(CREATE_CONTACT_DIALOG);
             }
         }
     }

     @Override
     protected Dialog onCreateDialog(int id) {
         switch(id) {
 	    case CREATE_CONTACT_DIALOG:
                 // Prompt user to insert or edit contact
                 final Intent createIntent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
                 createIntent.putExtras(mCreateExtras);
                 createIntent.setType(RawContacts.CONTENT_ITEM_TYPE);

                 final CharSequence message = getResources().getString(
                         R.string.add_contact_dlg_message_fmt, mCreateDescrip);

                 return new AlertDialog.Builder(this, AlertDialog.THEME_HOLO_LIGHT)
                         .setMessage(message)
                         .setPositiveButton(android.R.string.ok,
                                 new IntentClickListener(this, createIntent))
                         .setNegativeButton(android.R.string.cancel,
                                 new IntentClickListener(this, null))
                         .setOnCancelListener(new DialogInterface.OnCancelListener() {
                                 @Override
                                 public void onCancel(DialogInterface dialog) {
                                     finish(); // Close the activity.
                                 }})
                         .create();
         }
 	return super.onCreateDialog(id);
     }

     /**
      * Listener for {@link DialogInterface} that launches a given {@link Intent}
      * when clicked. When clicked, this also closes the parent using
      * {@link Activity#finish()}.
      */
     private static class IntentClickListener implements DialogInterface.OnClickListener {
         private Activity mParent;
         private Intent mIntent;

         /**
          * @param parent {@link Activity} to use for launching target.
          * @param intent Target {@link Intent} to launch when clicked.
          */
         public IntentClickListener(Activity parent, Intent intent) {
             mParent = parent;
             mIntent = intent;
         }

         public void onClick(DialogInterface dialog, int which) {
             if (mIntent != null) {
                 mParent.startActivity(mIntent);
             }
             mParent.finish();
         }
     }
 }
	/*
	* 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.activities;

	import android.app.Activity;
	import android.app.AlertDialog;
	import android.app.Dialog;
	import android.content.ComponentName;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.database.Cursor;
	import android.net.Uri;
	import android.os.Bundle;
	import android.provider.ContactsContract.CommonDataKinds.Email;
	import android.provider.ContactsContract.Contacts;
	import android.provider.ContactsContract.Intents;
	import android.provider.ContactsContract.PhoneLookup;
	import android.provider.ContactsContract.RawContacts;
	import android.util.Log;

	import com.android.contacts.ContactsActivity;
	import com.android.contacts.R;
	import com.android.contacts.util.Constants;
	import com.android.contacts.util.NotifyingAsyncQueryHandler;

	/**
	* Handle several edge cases around showing or possibly creating contacts in
	* connected with a specific E-mail address or phone number. Will search based
	* on incoming {@link Intent#getData()} as described by
	* {@link Intents#SHOW_OR_CREATE_CONTACT}.
	* <ul>
	* <li>If no matching contacts found, will prompt user with dialog to add to a
	* contact, then will use {@link Intent#ACTION_INSERT_OR_EDIT} to let create new
	* contact or edit new data into an existing one.
	* <li>If one matching contact found, directly show {@link Intent#ACTION_VIEW}
	* that specific contact.
	* <li>If more than one matching found, show list of matching contacts using
	* {@link Intent#ACTION_SEARCH}.
	* </ul>
	*/
	public final class ShowOrCreateActivity extends ContactsActivity
	implements NotifyingAsyncQueryHandler.AsyncQueryListener {
	static final String TAG = "ShowOrCreateActivity";
	static final boolean LOGD = false;

	static final String[] PHONES_PROJECTION = new String[] {
	PhoneLookup._ID,
	PhoneLookup.LOOKUP_KEY,
	};

	static final String[] CONTACTS_PROJECTION = new String[] {
	Email.CONTACT_ID,
	Email.LOOKUP_KEY,
	};

	static final int CONTACT_ID_INDEX = 0;
	static final int LOOKUP_KEY_INDEX = 1;

	static final int CREATE_CONTACT_DIALOG = 1;

	static final int QUERY_TOKEN = 42;

	private NotifyingAsyncQueryHandler mQueryHandler;

	private Bundle mCreateExtras;
	private String mCreateDescrip;
	private boolean mCreateForce;

	@Override
	protected void onCreate(Bundle icicle) {
	super.onCreate(icicle);

	// Create handler if doesn't exist, otherwise cancel any running
	if (mQueryHandler == null) {
	mQueryHandler = new NotifyingAsyncQueryHandler(this, this);
	} else {
	mQueryHandler.cancelOperation(QUERY_TOKEN);
	}

	final Intent intent = getIntent();
	final Uri data = intent.getData();

	// Unpack scheme and target data from intent
	String scheme = null;
	String ssp = null;
	if (data != null) {
	scheme = data.getScheme();
	ssp = data.getSchemeSpecificPart();
	}

	// Build set of extras for possible use when creating contact
	mCreateExtras = new Bundle();
	Bundle originalExtras = intent.getExtras();
	if (originalExtras != null) {
	mCreateExtras.putAll(originalExtras);
	}

	// Read possible extra with specific title
	mCreateDescrip = intent.getStringExtra(Intents.EXTRA_CREATE_DESCRIPTION);
	if (mCreateDescrip == null) {
	mCreateDescrip = ssp;
	}

	// Allow caller to bypass dialog prompt
	mCreateForce = intent.getBooleanExtra(Intents.EXTRA_FORCE_CREATE, false);

	// Handle specific query request
	if (Constants.SCHEME_MAILTO.equals(scheme)) {
	mCreateExtras.putString(Intents.Insert.EMAIL, ssp);

	Uri uri = Uri.withAppendedPath(Email.CONTENT_FILTER_URI, Uri.encode(ssp));
	mQueryHandler.startQuery(QUERY_TOKEN, null, uri, CONTACTS_PROJECTION, null, null, null);

	} else if (Constants.SCHEME_TEL.equals(scheme)) {
	mCreateExtras.putString(Intents.Insert.PHONE, ssp);

	Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, ssp);
	mQueryHandler.startQuery(QUERY_TOKEN, null, uri, PHONES_PROJECTION, null, null, null);

	} else {
	Log.w(TAG, "Invalid intent:" + getIntent());
	finish();
	}
	}

	@Override
	protected void onStop() {
	super.onStop();
	if (mQueryHandler != null) {
	mQueryHandler.cancelOperation(QUERY_TOKEN);
	}
	}

	/** {@inheritDoc} */
	public void onQueryComplete(int token, Object cookie, Cursor cursor) {
	if (cursor == null) {
	// Bail when problem running query in background
	finish();
	return;
	}

	// Count contacts found by query
	int count = 0;
	long contactId = -1;
	String lookupKey = null;
	try {
	count = cursor.getCount();
	if (count == 1 && cursor.moveToFirst()) {
	// Try reading ID if only one contact returned
	contactId = cursor.getLong(CONTACT_ID_INDEX);
	lookupKey = cursor.getString(LOOKUP_KEY_INDEX);
	}
	} finally {
	cursor.close();
	}

	if (count == 1 && contactId != -1) {
	// If we only found one item, jump right to viewing it
	final Uri contactUri = Contacts.getLookupUri(contactId, lookupKey);
	final Intent viewIntent = new Intent(Intent.ACTION_VIEW, contactUri);
	startActivity(viewIntent);
	finish();

	} else if (count > 1) {
	// If more than one, show pick list
	Intent listIntent = new Intent(Intent.ACTION_SEARCH);
	listIntent.setComponent(new ComponentName(this, PeopleActivity.class));
	listIntent.putExtras(mCreateExtras);
	startActivity(listIntent);
	finish();

	} else {
	// No matching contacts found
	if (mCreateForce) {
	// Forced to create new contact
	Intent createIntent = new Intent(Intent.ACTION_INSERT, RawContacts.CONTENT_URI);
	createIntent.putExtras(mCreateExtras);
	createIntent.setType(RawContacts.CONTENT_TYPE);

	startActivity(createIntent);
	finish();

	} else {
	showDialog(CREATE_CONTACT_DIALOG);
	}
	}
	}

	@Override
	protected Dialog onCreateDialog(int id) {
	switch(id) {
	case CREATE_CONTACT_DIALOG:
	// Prompt user to insert or edit contact
	final Intent createIntent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
	createIntent.putExtras(mCreateExtras);
	createIntent.setType(RawContacts.CONTENT_ITEM_TYPE);

	final CharSequence message = getResources().getString(
	R.string.add_contact_dlg_message_fmt, mCreateDescrip);

	return new AlertDialog.Builder(this, AlertDialog.THEME_HOLO_LIGHT)
	.setMessage(message)
	.setPositiveButton(android.R.string.ok,
	new IntentClickListener(this, createIntent))
	.setNegativeButton(android.R.string.cancel,
	new IntentClickListener(this, null))
	.setOnCancelListener(new DialogInterface.OnCancelListener() {
	@Override
	public void onCancel(DialogInterface dialog) {
	finish(); // Close the activity.
	}})
	.create();
	}
	return super.onCreateDialog(id);
	}

	/**
	* Listener for {@link DialogInterface} that launches a given {@link Intent}
	* when clicked. When clicked, this also closes the parent using
	* {@link Activity#finish()}.
	*/
	private static class IntentClickListener implements DialogInterface.OnClickListener {
	private Activity mParent;
	private Intent mIntent;

	/**
	* @param parent {@link Activity} to use for launching target.
	* @param intent Target {@link Intent} to launch when clicked.
	*/
	public IntentClickListener(Activity parent, Intent intent) {
	mParent = parent;
	mIntent = intent;
	}

	public void onClick(DialogInterface dialog, int which) {
	if (mIntent != null) {
	mParent.startActivity(mIntent);
	}
	mParent.finish();
	}
	}
	}