src/com/android/car/dialer/CallLogListingTask.java - platform/packages/apps/Car/Dialer - Git at Google

 /*
  * Copyright (C) 2016 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.car.dialer;

 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.os.AsyncTask;
 import android.provider.CallLog;
 import android.support.annotation.NonNull;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 import android.text.format.DateUtils;

 import com.android.car.apps.common.CircleBitmapDrawable;
 import com.android.car.apps.common.LetterTileDrawable;
 import com.android.car.dialer.telecom.PhoneLoader;
 import com.android.car.dialer.telecom.TelecomUtils;

 import java.util.ArrayList;
 import java.util.List;

 class CallLogListingTask extends AsyncTask<Void, Void, Void> {
     static class CallLogItem {
         final String mTitle;
         final String mText;
         final String mNumber;
         final Bitmap mIcon;

         public CallLogItem(String title, String text, String number, Bitmap icon) {
             mTitle = title;
             mText = text;
             mNumber = number;
             mIcon = icon;
         }
     }

     interface LoadCompleteListener {
         void onLoadComplete(List<CallLogItem> items);
     }


     // Like a constant but needs a context so not static.
     private final String VOICEMAIL_NUMBER;

     private Context mContext;
     private Cursor mCursor;
     private List<CallLogItem> mItems;
     private LoadCompleteListener mListener;

     CallLogListingTask(Context context, Cursor cursor,
             @NonNull LoadCompleteListener listener) {
         mContext = context;
         mCursor = cursor;
         mItems = new ArrayList<>(mCursor.getCount());
         mListener = listener;
         VOICEMAIL_NUMBER = TelecomUtils.getVoicemailNumber(mContext);
     }

     private String maybeAppendCount(StringBuilder sb, int count) {
         if (count > 1) {
             sb.append(" (").append(count).append(")");
         }
         return sb.toString();
     }

     private String getContactName(String cachedName, String number,
             int count, boolean isVoicemail) {
         if (cachedName != null) {
             return maybeAppendCount(new StringBuilder(cachedName), count);
         }

         StringBuilder sb = new StringBuilder();
         if (isVoicemail) {
             sb.append(mContext.getString(R.string.voicemail));
         } else {
             String displayName = TelecomUtils.getDisplayName(mContext, number);
             if (TextUtils.isEmpty(displayName)) {
                 displayName = mContext.getString(R.string.unknown);
             }
             sb.append(displayName);
         }

         return maybeAppendCount(sb, count);
     }

     private Bitmap getContactImage(Context context, ContentResolver contentResolver,
             String name, String number) {
         Resources r = context.getResources();
         int size = r.getDimensionPixelSize(R.dimen.dialer_menu_icon_container_width);

         Bitmap bitmap = TelecomUtils.getContactPhotoFromNumber(contentResolver, number);
         if (bitmap != null) {
             return new CircleBitmapDrawable(r, bitmap).toBitmap(size);
         }

         LetterTileDrawable letterTileDrawable = new LetterTileDrawable(r);
         letterTileDrawable.setContactDetails(name, number);
         letterTileDrawable.setIsCircular(true);
         return letterTileDrawable.toBitmap(size);
     }

     private static CharSequence getRelativeTime(long millis) {
         boolean validTimestamp = millis > 0;

         return validTimestamp ? DateUtils.getRelativeTimeSpanString(
                 millis, System.currentTimeMillis(), DateUtils.MINUTE_IN_MILLIS,
                 DateUtils.FORMAT_ABBREV_RELATIVE) : null;
     }

     @Override
     protected Void doInBackground(Void... voids) {
         ContentResolver resolver = mContext.getContentResolver();

         try {
             if (mCursor != null) {
                 int cachedNameColumn = PhoneLoader.getNameColumnIndex(mCursor);
                 int numberColumn = PhoneLoader.getNumberColumnIndex(mCursor);
                 int dateColumn = mCursor.getColumnIndex(CallLog.Calls.DATE);

                 while (mCursor.moveToNext()) {
                     int count = 1;
                     String number = mCursor.getString(numberColumn);

                     // We want to group calls to the same number into one so seek forward as many
                     // entries as possible as long as the number is the same.
                     int position = mCursor.getPosition();
                     while (mCursor.moveToNext()) {
                         String nextNumber = mCursor.getString(numberColumn);
                         if (equalNumbers(number, nextNumber)) {
                             count++;
                         } else {
                             break;
                         }
                     }
                     mCursor.moveToPosition(position);

                     boolean isVoicemail = number.equals(VOICEMAIL_NUMBER);
                     String name = getContactName(mCursor.getString(cachedNameColumn),
                             number, count, isVoicemail);

                     // Not sure why this is the only column checked here but I'm assuming this was
                     // to work around some bug on some device.
                     long millis = dateColumn == -1 ? 0 : mCursor.getLong(dateColumn);

                     StringBuffer secondaryText = new StringBuffer();
                     CharSequence relativeDate = getRelativeTime(millis);

                     // Append the type (work, mobile etc.) if it isnt voicemail.
                     if (!isVoicemail) {
                         CharSequence type = TelecomUtils.getTypeFromNumber(mContext, number);
                         secondaryText.append(type);
                         if (!TextUtils.isEmpty(type) && !TextUtils.isEmpty(relativeDate)) {
                             secondaryText.append(", ");
                         }
                     }

                     // Add in the timestamp.
                     if (relativeDate != null) {
                         secondaryText.append(relativeDate);
                     }

                     Bitmap contactImage = getContactImage(mContext, resolver, name, number);

                     CallLogItem item =
                             new CallLogItem(name, secondaryText.toString(), number, contactImage);
                     mItems.add(item);

                     // Since we deduplicated count rows, we can move all the way to that row so the
                     // next iteration takes us to the row following the last duplicate row.
                     if (count > 1) {
                         mCursor.moveToPosition(position + count - 1);
                     }
                 }
             }
         } finally {
             if (mCursor != null) {
                 mCursor.close();
             }
         }
         return null;
     }

     @Override
     protected void onPostExecute(Void aVoid) {
         mListener.onLoadComplete(mItems);
     }

     /**
      * Determines if the specified number is actually a URI
      * (i.e. a SIP address) rather than a regular PSTN phone number,
      * based on whether or not the number contains an "@" character.
      *
      * @return true if number contains @
      *
      * from android.telephony.PhoneNumberUtils
      */
     public static boolean isUriNumber(String number) {
         // Note we allow either "@" or "%40" to indicate a URI, in case
         // the passed-in string is URI-escaped.  (Neither "@" nor "%40"
         // will ever be found in a legal PSTN number.)
         return number != null && (number.contains("@") || number.contains("%40"));
     }

     private static boolean equalNumbers(String number1, String number2) {
         if (isUriNumber(number1) || isUriNumber(number2)) {
             return compareSipAddresses(number1, number2);
         } else {
             return PhoneNumberUtils.compare(number1, number2);
         }
     }

     private static boolean compareSipAddresses(String number1, String number2) {
         if (number1 == null || number2 == null) {
             return number1 == null && number2 == null;
         }

         String[] address1 = splitSipAddress(number1);
         String[] address2 = splitSipAddress(number2);

         return address1[0].equals(address2[0]) && address1[1].equals(address2[1]);
     }

     /**
      * Splits a sip address on either side of the @ sign and returns both halves.
      * If there is no @ sign, user info will be number and rest will be empty string
      * @param number the sip number to split
      * @return a string array of size 2. Element 0 is the user info (left side of @ sign) and
      *         element 1 is the rest (right side of @ sign).
      */
     private static String[] splitSipAddress(String number) {
         String[] values = new String[2];
         int index = number.indexOf('@');
         if (index == -1) {
             values[0] = number;
             values[1] = "";
         } else {
             values[0] = number.substring(0, index);
             values[1] = number.substring(index);
         }
         return values;
     }
 }
	/*
	* Copyright (C) 2016 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.car.dialer;

	import android.content.ContentResolver;
	import android.content.Context;
	import android.content.res.Resources;
	import android.database.Cursor;
	import android.graphics.Bitmap;
	import android.os.AsyncTask;
	import android.provider.CallLog;
	import android.support.annotation.NonNull;
	import android.telephony.PhoneNumberUtils;
	import android.text.TextUtils;
	import android.text.format.DateUtils;

	import com.android.car.apps.common.CircleBitmapDrawable;
	import com.android.car.apps.common.LetterTileDrawable;
	import com.android.car.dialer.telecom.PhoneLoader;
	import com.android.car.dialer.telecom.TelecomUtils;

	import java.util.ArrayList;
	import java.util.List;

	class CallLogListingTask extends AsyncTask<Void, Void, Void> {
	static class CallLogItem {
	final String mTitle;
	final String mText;
	final String mNumber;
	final Bitmap mIcon;

	public CallLogItem(String title, String text, String number, Bitmap icon) {
	mTitle = title;
	mText = text;
	mNumber = number;
	mIcon = icon;
	}
	}

	interface LoadCompleteListener {
	void onLoadComplete(List<CallLogItem> items);
	}


	// Like a constant but needs a context so not static.
	private final String VOICEMAIL_NUMBER;

	private Context mContext;
	private Cursor mCursor;
	private List<CallLogItem> mItems;
	private LoadCompleteListener mListener;

	CallLogListingTask(Context context, Cursor cursor,
	@NonNull LoadCompleteListener listener) {
	mContext = context;
	mCursor = cursor;
	mItems = new ArrayList<>(mCursor.getCount());
	mListener = listener;
	VOICEMAIL_NUMBER = TelecomUtils.getVoicemailNumber(mContext);
	}

	private String maybeAppendCount(StringBuilder sb, int count) {
	if (count > 1) {
	sb.append(" (").append(count).append(")");
	}
	return sb.toString();
	}

	private String getContactName(String cachedName, String number,
	int count, boolean isVoicemail) {
	if (cachedName != null) {
	return maybeAppendCount(new StringBuilder(cachedName), count);
	}

	StringBuilder sb = new StringBuilder();
	if (isVoicemail) {
	sb.append(mContext.getString(R.string.voicemail));
	} else {
	String displayName = TelecomUtils.getDisplayName(mContext, number);
	if (TextUtils.isEmpty(displayName)) {
	displayName = mContext.getString(R.string.unknown);
	}
	sb.append(displayName);
	}

	return maybeAppendCount(sb, count);
	}

	private Bitmap getContactImage(Context context, ContentResolver contentResolver,
	String name, String number) {
	Resources r = context.getResources();
	int size = r.getDimensionPixelSize(R.dimen.dialer_menu_icon_container_width);

	Bitmap bitmap = TelecomUtils.getContactPhotoFromNumber(contentResolver, number);
	if (bitmap != null) {
	return new CircleBitmapDrawable(r, bitmap).toBitmap(size);
	}

	LetterTileDrawable letterTileDrawable = new LetterTileDrawable(r);
	letterTileDrawable.setContactDetails(name, number);
	letterTileDrawable.setIsCircular(true);
	return letterTileDrawable.toBitmap(size);
	}

	private static CharSequence getRelativeTime(long millis) {
	boolean validTimestamp = millis > 0;

	return validTimestamp ? DateUtils.getRelativeTimeSpanString(
	millis, System.currentTimeMillis(), DateUtils.MINUTE_IN_MILLIS,
	DateUtils.FORMAT_ABBREV_RELATIVE) : null;
	}

	@Override
	protected Void doInBackground(Void... voids) {
	ContentResolver resolver = mContext.getContentResolver();

	try {
	if (mCursor != null) {
	int cachedNameColumn = PhoneLoader.getNameColumnIndex(mCursor);
	int numberColumn = PhoneLoader.getNumberColumnIndex(mCursor);
	int dateColumn = mCursor.getColumnIndex(CallLog.Calls.DATE);

	while (mCursor.moveToNext()) {
	int count = 1;
	String number = mCursor.getString(numberColumn);

	// We want to group calls to the same number into one so seek forward as many
	// entries as possible as long as the number is the same.
	int position = mCursor.getPosition();
	while (mCursor.moveToNext()) {
	String nextNumber = mCursor.getString(numberColumn);
	if (equalNumbers(number, nextNumber)) {
	count++;
	} else {
	break;
	}
	}
	mCursor.moveToPosition(position);

	boolean isVoicemail = number.equals(VOICEMAIL_NUMBER);
	String name = getContactName(mCursor.getString(cachedNameColumn),
	number, count, isVoicemail);

	// Not sure why this is the only column checked here but I'm assuming this was
	// to work around some bug on some device.
	long millis = dateColumn == -1 ? 0 : mCursor.getLong(dateColumn);

	StringBuffer secondaryText = new StringBuffer();
	CharSequence relativeDate = getRelativeTime(millis);

	// Append the type (work, mobile etc.) if it isnt voicemail.
	if (!isVoicemail) {
	CharSequence type = TelecomUtils.getTypeFromNumber(mContext, number);
	secondaryText.append(type);
	if (!TextUtils.isEmpty(type) && !TextUtils.isEmpty(relativeDate)) {
	secondaryText.append(", ");
	}
	}

	// Add in the timestamp.
	if (relativeDate != null) {
	secondaryText.append(relativeDate);
	}

	Bitmap contactImage = getContactImage(mContext, resolver, name, number);

	CallLogItem item =
	new CallLogItem(name, secondaryText.toString(), number, contactImage);
	mItems.add(item);

	// Since we deduplicated count rows, we can move all the way to that row so the
	// next iteration takes us to the row following the last duplicate row.
	if (count > 1) {
	mCursor.moveToPosition(position + count - 1);
	}
	}
	}
	} finally {
	if (mCursor != null) {
	mCursor.close();
	}
	}
	return null;
	}

	@Override
	protected void onPostExecute(Void aVoid) {
	mListener.onLoadComplete(mItems);
	}

	/**
	* Determines if the specified number is actually a URI
	* (i.e. a SIP address) rather than a regular PSTN phone number,
	* based on whether or not the number contains an "@" character.
	*
	* @return true if number contains @
	*
	* from android.telephony.PhoneNumberUtils
	*/
	public static boolean isUriNumber(String number) {
	// Note we allow either "@" or "%40" to indicate a URI, in case
	// the passed-in string is URI-escaped. (Neither "@" nor "%40"
	// will ever be found in a legal PSTN number.)
	return number != null && (number.contains("@") \|\| number.contains("%40"));
	}

	private static boolean equalNumbers(String number1, String number2) {
	if (isUriNumber(number1) \|\| isUriNumber(number2)) {
	return compareSipAddresses(number1, number2);
	} else {
	return PhoneNumberUtils.compare(number1, number2);
	}
	}

	private static boolean compareSipAddresses(String number1, String number2) {
	if (number1 == null \|\| number2 == null) {
	return number1 == null && number2 == null;
	}

	String[] address1 = splitSipAddress(number1);
	String[] address2 = splitSipAddress(number2);

	return address1[0].equals(address2[0]) && address1[1].equals(address2[1]);
	}

	/**
	* Splits a sip address on either side of the @ sign and returns both halves.
	* If there is no @ sign, user info will be number and rest will be empty string
	* @param number the sip number to split
	* @return a string array of size 2. Element 0 is the user info (left side of @ sign) and
	* element 1 is the rest (right side of @ sign).
	*/
	private static String[] splitSipAddress(String number) {
	String[] values = new String[2];
	int index = number.indexOf('@');
	if (index == -1) {
	values[0] = number;
	values[1] = "";
	} else {
	values[0] = number.substring(0, index);
	values[1] = number.substring(index);
	}
	return values;
	}
	}