cyf
65 lines
2.3 KiB
C#
65 lines
2.3 KiB
C#
namespace Cef3
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{
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using Cef3.Interop;
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/// <summary>
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/// Interface that should be implemented to handle V8 function calls. The methods
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/// of this class will always be called on the render process main thread.
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/// </summary>
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public abstract unsafe partial class CefV8Handler
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{
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private static readonly CefV8Value[] emtpyArgs = new CefV8Value[0];
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private int execute(cef_v8handler_t* self, cef_string_t* name, cef_v8value_t* @object, UIntPtr argumentsCount, cef_v8value_t** arguments, cef_v8value_t** retval, cef_string_t* exception)
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{
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CheckSelf(self);
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var m_name = cef_string_t.ToString(name);
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var m_obj = CefV8Value.FromNative(@object);
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var argc = (int)argumentsCount;
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CefV8Value[] m_arguments;
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if (argc == 0) { m_arguments = emtpyArgs; }
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else
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{
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m_arguments = new CefV8Value[argc];
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for (var i = 0; i < argc; i++)
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{
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m_arguments[i] = CefV8Value.FromNative(arguments[i]);
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}
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}
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CefV8Value m_returnValue;
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string m_exception;
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var handled = Execute(m_name, m_obj, m_arguments, out m_returnValue, out m_exception);
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if (handled)
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{
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if (m_exception != null)
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{
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cef_string_t.Copy(m_exception, exception);
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}
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else if (m_returnValue != null)
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{
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*retval = m_returnValue.ToNative();
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}
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}
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return handled ? 1 : 0;
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}
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/// <summary>
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/// Handle execution of the function identified by |name|. |object| is the
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/// receiver ('this' object) of the function. |arguments| is the list of
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/// arguments passed to the function. If execution succeeds set |retval| to the
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/// function return value. If execution fails set |exception| to the exception
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/// that will be thrown. Return true if execution was handled.
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/// </summary>
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protected abstract bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception);
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}
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}
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