private void CheckSelf(cef_find_handler_t *self)
{
if (_self != self)
{
throw ExceptionBuilder.InvalidSelfReference();
}
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_find_handler_t.Free(_self);
_self = null;
}
}
private void on_find_result(cef_find_handler_t *self, cef_browser_t *browser, int identifier, int count, cef_rect_t *selectionRect, int activeMatchOrdinal, int finalUpdate)
{
CheckSelf(self);
var mBrowser = CefBrowser.FromNative(browser);
var mSelectionRect = new CefRectangle(selectionRect->x, selectionRect->y, selectionRect->width, selectionRect->height);
OnFindResult(mBrowser, identifier, count, mSelectionRect, activeMatchOrdinal, finalUpdate != 0);
}
public CefFindHandler()
{
cef_find_handler_t *self = this.NativeInstance;
#if NET_LESS_5_0
self->on_find_result = (void *)Marshal.GetFunctionPointerForDelegate(fnOnFindResult);
#else
self->on_find_result = (delegate * unmanaged[Stdcall] < cef_find_handler_t *, cef_browser_t *, int, int, cef_rect_t *, int, int, void >) & OnFindResultImpl;
#endif
}
/// <summary>
/// Called to report find results returned by CefBrowser::Find().
/// |identifer| is the identifier passed to CefBrowser::Find(), |count|
/// is the number of matches currently identified, |selectionRect| is the
/// location of where the match was found (in window coordinates),
/// |activeMatchOrdinal| is the current position in the search results,
/// and |finalUpdate| is true if this is the last find notification.
/// </summary>
private void on_find_result(cef_find_handler_t *self, cef_browser_t *browser, int identifier, int count, /*const*/ cef_rect_t *selectionRect, int activeMatchOrdinal, int finalUpdate)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_selectionRect = CefRect.From(selectionRect);
var m_finalUpdate = finalUpdate != 0;
this.OnFindResult(m_browser, identifier, count, m_selectionRect, activeMatchOrdinal, m_finalUpdate);
}
private void add_ref(cef_find_handler_t *self)
{
lock (SyncRoot)
{
var result = ++_refct;
if (result == 1)
{
lock (_roots) { _roots.Add((IntPtr)_self, this); }
}
}
}
// void (*)(_cef_find_handler_t* self, _cef_browser_t* browser, int identifier, int count, const cef_rect_t* selectionRect, int activeMatchOrdinal, int finalUpdate)*
private static unsafe void OnFindResultImpl(cef_find_handler_t *self, cef_browser_t *browser, int identifier, int count, cef_rect_t *selectionRect, int activeMatchOrdinal, int finalUpdate)
{
var instance = GetInstance((IntPtr)self) as CefFindHandler;
if (instance == null || ((ICefFindHandlerPrivate)instance).AvoidOnFindResult())
{
ReleaseIfNonNull((cef_base_ref_counted_t *)browser);
return;
}
instance.OnFindResult(CefBrowser.Wrap(CefBrowser.Create, browser), identifier, count, *(CefRect *)selectionRect, activeMatchOrdinal, finalUpdate != 0);
}
private int release(cef_find_handler_t *self)
{
lock (SyncRoot)
{
var result = --_refct;
if (result == 0)
{
lock (_roots) { _roots.Remove((IntPtr)_self); }
return(1);
}
return(0);
}
}
protected CefFindHandler()
{
_self = cef_find_handler_t.Alloc();
_ds0 = new cef_find_handler_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_find_handler_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_find_handler_t.has_one_ref_delegate(has_one_ref);
_self->_base._has_one_ref = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_find_handler_t.on_find_result_delegate(on_find_result);
_self->_on_find_result = Marshal.GetFunctionPointerForDelegate(_ds3);
}
private int has_at_least_one_ref(cef_find_handler_t *self)
{
lock (SyncRoot) { return(_refct != 0 ? 1 : 0); }
}
private int has_one_ref(cef_find_handler_t *self)
{
lock (SyncRoot) { return(_refct == 1 ? 1 : 0); }
}
internal static void Free(cef_find_handler_t *ptr)
{
Marshal.FreeHGlobal((IntPtr)ptr);
}
public CefFindHandler(cef_find_handler_t *instance)
: base((cef_base_ref_counted_t *)instance)
{
}
public CefFindHandler()
{
cef_find_handler_t *self = this.NativeInstance;
self->on_find_result = (void *)Marshal.GetFunctionPointerForDelegate(fnOnFindResult);
}
private void on_find_result(cef_find_handler_t *self, cef_browser_t *browser, int identifier, int count, cef_rect_t *selectionRect, int activeMatchOrdinal, int finalUpdate)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefFindHandler.OnFindResult
}
