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ContactsList.cs
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ContactsList.cs
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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.
*/
using System;
namespace Tizen.Pims.Contacts
{
/// <summary>
/// A list of records with the same type.
/// </summary>
/// <since_tizen> 4 </since_tizen>
public class ContactsList:IDisposable
{
private Int64 _memoryPressure = 20;
internal IntPtr _listHandle;
internal ContactsList(IntPtr handle)
{
int count;
_listHandle = handle;
int error = Interop.List.ContactsListGetCount(_listHandle, out count);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "ContactsList Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
_memoryPressure += count * ContactsViews.Record.AverageSize;
GC.AddMemoryPressure(_memoryPressure);
}
/// <summary>
/// Creates a contacts record list.
/// </summary>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <exception cref="OutOfMemoryException">Thrown when failed due to out of memory.</exception>
/// <since_tizen> 4 </since_tizen>
public ContactsList()
{
int error = Interop.List.ContactsListCreate(out _listHandle);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "ContactsList Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
GC.AddMemoryPressure(_memoryPressure);
}
/// <summary>
/// The destructor.
/// </summary>
/// <since_tizen> 4 </since_tizen>
~ContactsList()
{
Dispose(false);
}
/// <summary>
/// The count of the contact entity.
/// </summary>
/// <value>The count of the contact entity.</value>
/// <since_tizen> 4 </since_tizen>
public int Count
{
get
{
int count = -1;
int error = Interop.List.ContactsListGetCount(_listHandle, out count);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "ContactsList Count Failed with error " + error);
}
return count;
}
}
#region IDisposable Support
private bool disposedValue = false; // To detect redundant calls
/// <summary>
/// Releases all the resources used by the ContactsList.
/// </summary>
/// <param name="disposing">Disposing by the user.</param>
/// <since_tizen> 4 </since_tizen>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
//Called by User
//Release your own managed resources here.
//You should release all of your own disposable objects here
}
if (!disposedValue)
{
int error = Interop.List.ContactsListDestroy(_listHandle, true);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "ContactsListDestroy Failed with error " + error);
}
disposedValue = true;
GC.RemoveMemoryPressure(_memoryPressure);
}
}
/// <summary>
/// Releases all the resources used by the ContactsList.
/// It should be called after it has finished using the object.
/// </summary>
/// <since_tizen> 4 </since_tizen>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
#endregion
/// <summary>
/// Adds a record to the contacts list.
/// </summary>
/// <param name="record">The record to add.</param>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <exception cref="ArgumentException">Thrown when one of the arguments provided to a method is not valid.</exception>
/// <since_tizen> 4 </since_tizen>
public void AddRecord(ContactsRecord record)
{
int error = Interop.List.ContactsListAdd(_listHandle, record._recordHandle);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "AddRecord Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
record._disposedValue = true;
_memoryPressure += ContactsViews.Record.AverageSize;
}
/// <summary>
/// Removes a record from the contacts list.
/// </summary>
/// <param name="record">The record to remove.</param>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <exception cref="ArgumentException">Thrown when one of the arguments provided to a method is not valid.</exception>
/// <since_tizen> 4 </since_tizen>
public void RemoveRecord(ContactsRecord record)
{
int error = Interop.List.ContactsListRemove(_listHandle, record._recordHandle);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "RemoveRecord Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
record._disposedValue = false;
_memoryPressure -= ContactsViews.Record.AverageSize;
}
/// <summary>
/// Retrieves a record from the contacts list.
/// </summary>
/// <returns>
/// The contacts record.
/// </returns>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <since_tizen> 4 </since_tizen>
public ContactsRecord GetCurrentRecord()
{
IntPtr handle;
int error = Interop.List.ContactsListGetCurrentRecordP(_listHandle, out handle);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "GetCurrentRecord Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
return new ContactsRecord(handle, true);
}
/// <summary>
/// Moves a contacts list to the previous position.
/// </summary>
/// <returns>
/// When the cursor is already at the first position, it returns false.
/// </returns>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <since_tizen> 4 </since_tizen>
public bool MovePrevious()
{
int error = Interop.List.ContactsListPrev(_listHandle);
if ((int)ContactsError.None == error)
{
return true;
}
else if (Count > 0 && (int)ContactsError.NoData == error)
{
Log.Debug(Globals.LogTag, "Nodata MovePrevious" + error);
return false;
}
else
{
Log.Error(Globals.LogTag, "MovePrevious Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
}
/// <summary>
/// Moves a contacts list to the next position.
/// </summary>
/// <returns>
/// When the cursor is already at the last position, it returns false.
/// </returns>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <since_tizen> 4 </since_tizen>
public bool MoveNext()
{
int error = Interop.List.ContactsListNext(_listHandle);
if ((int)ContactsError.None == error)
{
return true;
}
else if (Count > 0 && (int)ContactsError.NoData == error)
{
Log.Debug(Globals.LogTag, "Nodata MoveNext" + error);
return false;
}
else
{
Log.Error(Globals.LogTag, "MoveNext Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
}
/// <summary>
/// Moves a contacts list to the first position.
/// </summary>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <since_tizen> 4 </since_tizen>
public void MoveFirst()
{
int error = Interop.List.ContactsListFirst(_listHandle);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "MoveFirst Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
}
/// <summary>
/// Moves a contacts list to the last position.
/// </summary>
/// <feature>http://tizen.org/feature/contact</feature>
/// <exception cref="NotSupportedException">Thrown when the feature is not supported.</exception>
/// <since_tizen> 4 </since_tizen>
public void MoveLast()
{
int error = Interop.List.ContactsListLast(_listHandle);
if ((int)ContactsError.None != error)
{
Log.Error(Globals.LogTag, "MoveFirst Failed with error " + error);
throw ContactsErrorFactory.CheckAndCreateException(error);
}
}
}
}