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/*
 * Copyright (C) 2012 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.common.model.dataitem;

import android.content.ContentValues;
import android.content.Context;
import android.provider.ContactsContract.CommonDataKinds.Email;
import android.provider.ContactsContract.CommonDataKinds.Im;
import android.text.TextUtils;

import java.util.Objects;

/**
 * Represents an IM data item, wrapping the columns in {@link ContactsContract.CommonDataKinds.Im}.
 */
public class ImDataItem extends DataItem {

  private final boolean mCreatedFromEmail;

  /* package */ ImDataItem(ContentValues values) {
    super(values);
    mCreatedFromEmail = false;
  }

  private ImDataItem(ContentValues values, boolean createdFromEmail) {
    super(values);
    mCreatedFromEmail = createdFromEmail;
  }

  public static ImDataItem createFromEmail(EmailDataItem item) {
    final ImDataItem im = new ImDataItem(new ContentValues(item.getContentValues()), true);
    im.setMimeType(Im.CONTENT_ITEM_TYPE);
    return im;
  }

  public String getData() {
    if (mCreatedFromEmail) {
      return getContentValues().getAsString(Email.DATA);
    } else {
      return getContentValues().getAsString(Im.DATA);
    }
  }

  public String getLabel() {
    return getContentValues().getAsString(Im.LABEL);
  }

  /** Values are one of Im.PROTOCOL_ */
  public Integer getProtocol() {
    return getContentValues().getAsInteger(Im.PROTOCOL);
  }

  public boolean isProtocolValid() {
    return getProtocol() != null;
  }

  public String getCustomProtocol() {
    return getContentValues().getAsString(Im.CUSTOM_PROTOCOL);
  }

  public int getChatCapability() {
    Integer result = getContentValues().getAsInteger(Im.CHAT_CAPABILITY);
    return result == null ? 0 : result;
  }

  public boolean isCreatedFromEmail() {
    return mCreatedFromEmail;
  }

  @Override
  public boolean shouldCollapseWith(DataItem t, Context context) {
    if (!(t instanceof ImDataItem) || mKind == null || t.getDataKind() == null) {
      return false;
    }
    final ImDataItem that = (ImDataItem) t;
    // IM can have the same data put different protocol. These should not collapse.
    if (!getData().equals(that.getData())) {
      return false;
    } else if (!isProtocolValid() || !that.isProtocolValid()) {
      // Deal with invalid protocol as if it was custom. If either has a non valid
      // protocol, check to see if the other has a valid that is not custom
      if (isProtocolValid()) {
        return getProtocol() == Im.PROTOCOL_CUSTOM;
      } else if (that.isProtocolValid()) {
        return that.getProtocol() == Im.PROTOCOL_CUSTOM;
      }
      return true;
    } else if (!Objects.equals(getProtocol(), that.getProtocol())) {
      return false;
    } else if (getProtocol() == Im.PROTOCOL_CUSTOM
        && !TextUtils.equals(getCustomProtocol(), that.getCustomProtocol())) {
      // Check if custom protocols are not the same
      return false;
    }
    return true;
  }
}