private void CheckSelf(cef_read_handler_t *self)
{
if (_self != self)
{
throw ExceptionBuilder.InvalidSelfReference();
}
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_read_handler_t.Free(_self);
_self = null;
}
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_read_handler_t.Free(_self);
_self = null;
}
}
public CefReadHandler()
{
cef_read_handler_t *self = this.NativeInstance;
self->read = (void *)Marshal.GetFunctionPointerForDelegate(fnRead);
self->seek = (void *)Marshal.GetFunctionPointerForDelegate(fnSeek);
self->tell = (void *)Marshal.GetFunctionPointerForDelegate(fnTell);
self->eof = (void *)Marshal.GetFunctionPointerForDelegate(fnEof);
self->may_block = (void *)Marshal.GetFunctionPointerForDelegate(fnMayBlock);
}
private UIntPtr read(cef_read_handler_t *self, void *ptr, UIntPtr size, UIntPtr n)
{
CheckSelf(self);
var length = (long)size * (long)n;
using (var stream = new UnmanagedMemoryStream((byte *)ptr, length, length, FileAccess.Write))
{
return((UIntPtr)Read(stream, length));
}
}
private void add_ref(cef_read_handler_t *self)
{
lock (SyncRoot)
{
var result = ++_refct;
if (result == 1)
{
lock (_roots) { _roots.Add((IntPtr)_self, this); }
}
}
}
/// <summary>
/// Read raw binary data.
/// </summary>
private int read(cef_read_handler_t *self, void *ptr, int size, int n)
{
ThrowIfObjectDisposed();
long length = size * n;
using (var m_stream = new UnmanagedMemoryStream((byte *)ptr, length, length, FileAccess.Write))
{
return(this.Read(m_stream, size, n));
}
}
private int release(cef_read_handler_t *self)
{
lock (SyncRoot)
{
var result = --_refct;
if (result == 0)
{
lock (_roots) { _roots.Remove((IntPtr)_self); }
}
return(result);
}
}
public CefReadHandler()
{
cef_read_handler_t *self = this.NativeInstance;
#if NET_LESS_5_0
self->read = (void *)Marshal.GetFunctionPointerForDelegate(fnRead);
self->seek = (void *)Marshal.GetFunctionPointerForDelegate(fnSeek);
self->tell = (void *)Marshal.GetFunctionPointerForDelegate(fnTell);
self->eof = (void *)Marshal.GetFunctionPointerForDelegate(fnEof);
self->may_block = (void *)Marshal.GetFunctionPointerForDelegate(fnMayBlock);
#else
self->read = (delegate * unmanaged[Stdcall] < cef_read_handler_t *, void *, UIntPtr, UIntPtr, UIntPtr >) & ReadImpl;
self->seek = (delegate * unmanaged[Stdcall] < cef_read_handler_t *, long, int, int >) & SeekImpl;
self->tell = (delegate * unmanaged[Stdcall] < cef_read_handler_t *, long >) & TellImpl;
self->eof = (delegate * unmanaged[Stdcall] < cef_read_handler_t *, int >) & EofImpl;
self->may_block = (delegate * unmanaged[Stdcall] < cef_read_handler_t *, int >) & MayBlockImpl;
#endif
}
protected CefReadHandler()
{
_self = cef_read_handler_t.Alloc();
_ds0 = new cef_read_handler_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_read_handler_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_read_handler_t.get_refct_delegate(get_refct);
_self->_base._get_refct = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_read_handler_t.read_delegate(read);
_self->_read = Marshal.GetFunctionPointerForDelegate(_ds3);
_ds4 = new cef_read_handler_t.seek_delegate(seek);
_self->_seek = Marshal.GetFunctionPointerForDelegate(_ds4);
_ds5 = new cef_read_handler_t.tell_delegate(tell);
_self->_tell = Marshal.GetFunctionPointerForDelegate(_ds5);
_ds6 = new cef_read_handler_t.eof_delegate(eof);
_self->_eof = Marshal.GetFunctionPointerForDelegate(_ds6);
}
protected CefReadHandler()
{
_self = cef_read_handler_t.Alloc();
_ds0 = new cef_read_handler_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_read_handler_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_read_handler_t.get_refct_delegate(get_refct);
_self->_base._get_refct = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_read_handler_t.read_delegate(read);
_self->_read = Marshal.GetFunctionPointerForDelegate(_ds3);
_ds4 = new cef_read_handler_t.seek_delegate(seek);
_self->_seek = Marshal.GetFunctionPointerForDelegate(_ds4);
_ds5 = new cef_read_handler_t.tell_delegate(tell);
_self->_tell = Marshal.GetFunctionPointerForDelegate(_ds5);
_ds6 = new cef_read_handler_t.eof_delegate(eof);
_self->_eof = Marshal.GetFunctionPointerForDelegate(_ds6);
}
protected CefReadHandler()
{
_self = cef_read_handler_t.Alloc();
_ds0 = new cef_read_handler_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_read_handler_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_read_handler_t.has_one_ref_delegate(has_one_ref);
_self->_base._has_one_ref = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_read_handler_t.has_at_least_one_ref_delegate(has_at_least_one_ref);
_self->_base._has_at_least_one_ref = Marshal.GetFunctionPointerForDelegate(_ds3);
_ds4 = new cef_read_handler_t.read_delegate(read);
_self->_read = Marshal.GetFunctionPointerForDelegate(_ds4);
_ds5 = new cef_read_handler_t.seek_delegate(seek);
_self->_seek = Marshal.GetFunctionPointerForDelegate(_ds5);
_ds6 = new cef_read_handler_t.tell_delegate(tell);
_self->_tell = Marshal.GetFunctionPointerForDelegate(_ds6);
_ds7 = new cef_read_handler_t.eof_delegate(eof);
_self->_eof = Marshal.GetFunctionPointerForDelegate(_ds7);
_ds8 = new cef_read_handler_t.may_block_delegate(may_block);
_self->_may_block = Marshal.GetFunctionPointerForDelegate(_ds8);
}
internal static void Free(cef_read_handler_t *ptr)
{
Marshal.FreeHGlobal((IntPtr)ptr);
}
private int get_refct(cef_read_handler_t *self)
{
return(_refct);
}
private int may_block(cef_read_handler_t *self)
{
CheckSelf(self);
return(MayBlock() ? 1 : 0);
}
/// <summary>
/// Seek to the specified offset position. |whence| may be any one of
/// SEEK_CUR, SEEK_END or SEEK_SET. Return zero on success and non-zero on
/// failure.
/// </summary>
// protected abstract int Seek(long offset, int whence);
private long tell(cef_read_handler_t *self)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefReadHandler.Tell
}
public CefReadHandler(cef_read_handler_t *instance)
: base((cef_base_ref_counted_t *)instance)
{
}
public static extern cef_stream_reader_t *create_for_handler(cef_read_handler_t *handler);
/// <summary>
/// Return the current offset position.
/// </summary>
// protected abstract long Tell();
private int eof(cef_read_handler_t *self)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefReadHandler.Eof
}
private int has_at_least_one_ref(cef_read_handler_t *self)
{
lock (SyncRoot) { return(_refct != 0 ? 1 : 0); }
}
/// <summary>
/// Return the current offset position.
/// </summary>
private long tell(cef_read_handler_t *self)
{
ThrowIfObjectDisposed();
return(this.Tell());
}
/// <summary>
/// Read raw binary data.
/// </summary>
// protected abstract UIntPtr Read(void* ptr, UIntPtr size, UIntPtr n);
private int seek(cef_read_handler_t *self, long offset, int whence)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefReadHandler.Seek
}
private UIntPtr read(cef_read_handler_t *self, void *ptr, UIntPtr size, UIntPtr n)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefReadHandler.Read
}
private int seek(cef_read_handler_t *self, long offset, int whence)
{
CheckSelf(self);
return(Seek(offset, (SeekOrigin)whence) ? 0 : -1);
}
/// <summary>
/// Return non-zero if at end of file.
/// </summary>
// protected abstract int Eof();
private int may_block(cef_read_handler_t *self)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefReadHandler.MayBlock
}
private int has_one_ref(cef_read_handler_t *self)
{
lock (SyncRoot) { return(_refct == 1 ? 1 : 0); }
}
private long tell(cef_read_handler_t *self)
{
CheckSelf(self);
return(Tell());
}
/// <summary>
/// Seek to the specified offset position. |whence| may be any one of
/// SEEK_CUR, SEEK_END or SEEK_SET.
/// </summary>
private int seek(cef_read_handler_t *self, long offset, int whence)
{
ThrowIfObjectDisposed();
return(this.Seek(offset, (SeekOrigin)whence) ? 0 : 1);
}
private int eof(cef_read_handler_t *self)
{
CheckSelf(self);
return(Eof() ? 1 : 0);
}
/// <summary>
/// Return non-zero if at end of file.
/// </summary>
private int eof(cef_read_handler_t *self)
{
ThrowIfObjectDisposed();
return(this.Eof() ? 1 : 0);
}
/// <summary>
/// Create a new CefStreamReader object from a custom handler.
/// </summary>
public static cef_stream_reader_t *CreateForHandler(cef_read_handler_t *handler)
{
throw new NotImplementedException(); // TODO: CefStreamReader.CreateForHandler
}
