private void CheckSelf(cef_download_image_callback_t *self)
{
if (_self != self)
{
throw ExceptionBuilder.InvalidSelfReference();
}
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_download_image_callback_t.Free(_self);
_self = null;
}
}
private void on_download_image_finished(cef_download_image_callback_t *self, cef_string_t *image_url, int http_status_code, cef_image_t *image)
{
CheckSelf(self);
var m_imageUrl = cef_string_t.ToString(image_url);
var m_image = CefImage.FromNativeOrNull(image);
OnDownloadImageFinished(m_imageUrl, http_status_code, m_image);
}
public CefDownloadImageCallback()
{
cef_download_image_callback_t *self = this.NativeInstance;
#if NET_LESS_5_0
self->on_download_image_finished = (void *)Marshal.GetFunctionPointerForDelegate(fnOnDownloadImageFinished);
#else
self->on_download_image_finished = (delegate * unmanaged[Stdcall] < cef_download_image_callback_t *, cef_string_t *, int, cef_image_t *, void >) & OnDownloadImageFinishedImpl;
#endif
}
private void add_ref(cef_download_image_callback_t *self)
{
lock (SyncRoot)
{
var result = ++_refct;
if (result == 1)
{
lock (_roots) { _roots.Add((IntPtr)_self, this); }
}
}
}
private static unsafe void OnDownloadImageFinishedImpl(cef_download_image_callback_t *self, cef_string_t *image_url, int http_status_code, cef_image_t *image)
{
var instance = GetInstance((IntPtr)self) as CefDownloadImageCallback;
if (instance == null || ((ICefDownloadImageCallbackPrivate)instance).AvoidOnDownloadImageFinished())
{
ReleaseIfNonNull((cef_base_ref_counted_t *)image);
return;
}
instance.OnDownloadImageFinished(CefString.Read(image_url), http_status_code, CefImage.Wrap(CefImage.Create, image));
}
private int release(cef_download_image_callback_t *self)
{
lock (SyncRoot)
{
var result = --_refct;
if (result == 0)
{
lock (_roots) { _roots.Remove((IntPtr)_self); }
return(1);
}
return(0);
}
}
protected CefDownloadImageCallback()
{
_self = cef_download_image_callback_t.Alloc();
_ds0 = new cef_download_image_callback_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_download_image_callback_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_download_image_callback_t.has_one_ref_delegate(has_one_ref);
_self->_base._has_one_ref = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_download_image_callback_t.on_download_image_finished_delegate(on_download_image_finished);
_self->_on_download_image_finished = Marshal.GetFunctionPointerForDelegate(_ds3);
}
internal static void Free(cef_download_image_callback_t *ptr)
{
Marshal.FreeHGlobal((IntPtr)ptr);
}
public unsafe extern void DownloadImage([Immutable] cef_string_t *image_url, int is_favicon, uint max_image_size, int bypass_cache, cef_download_image_callback_t *callback);
private int has_at_least_one_ref(cef_download_image_callback_t *self)
{
lock (SyncRoot) { return(_refct != 0 ? 1 : 0); }
}
public CefDownloadImageCallback(cef_download_image_callback_t *instance)
: base((cef_base_ref_counted_t *)instance)
{
}
public CefDownloadImageCallback()
{
cef_download_image_callback_t *self = this.NativeInstance;
self->on_download_image_finished = (void *)Marshal.GetFunctionPointerForDelegate(fnOnDownloadImageFinished);
}
