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/*
* Copyright (c) 2017 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;
using System.Runtime.InteropServices;
using System.Text;
namespace Tizen.WebView
{
public delegate void JavaScriptMessageHandler(JavaScriptMessage message);
/// <summary>
/// A Script message contains information that sent from JavaScript runtime.
/// </summary>
public class JavaScriptMessage
{
private string _name;
private IntPtr _body;
internal JavaScriptMessage(Interop.ChromiumEwk.ScriptMessage message)
{
_name = Marshal.PtrToStringAnsi(message.name);
_body = message.body;
}
/// <summary>
/// Obect name in JavaScript.
/// </summary>
public string Name
{
get
{
return _name;
}
}
/// <summary>
/// Gets the value of body as integer type.
/// </summary>
/// <returns>The value of body as integer type</returns>
public int GetBodyAsInteger()
{
if (_body == IntPtr.Zero)
{
return 0;
}
return Marshal.ReadInt32(_body, 0);
}
/// <summary>
/// Gets the value of body as double type.
/// </summary>
/// <returns>The value of body as double type</returns>
public double GetBodyAsDouble()
{
if (_body == IntPtr.Zero)
{
return 0d;
}
double[] ret = new double[1] ;
Marshal.Copy(_body, ret, 0, 1);
return ret[0];
}
/// <summary>
/// Gets the value of body as boolean type.
/// </summary>
/// <returns>The value of body as boolean type</returns>
public bool GetBodyAsBoolean()
{
if (_body == IntPtr.Zero)
{
return false;
}
return Marshal.ReadByte(_body) != (byte)0;
}
/// <summary>
/// Gets the value of body as string type.
/// </summary>
/// <returns>The value of body as string type</returns>
public string GetBodyAsString()
{
if (_body == IntPtr.Zero)
{
return string.Empty;
}
return Marshal.PtrToStringAnsi(_body);
}
}
}
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