protected CefRenderHandler()
{
_self = cef_render_handler_t.Alloc();
_ds0 = new cef_render_handler_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_render_handler_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_render_handler_t.get_refct_delegate(get_refct);
_self->_base._get_refct = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_render_handler_t.get_root_screen_rect_delegate(get_root_screen_rect);
_self->_get_root_screen_rect = Marshal.GetFunctionPointerForDelegate(_ds3);
_ds4 = new cef_render_handler_t.get_view_rect_delegate(get_view_rect);
_self->_get_view_rect = Marshal.GetFunctionPointerForDelegate(_ds4);
_ds5 = new cef_render_handler_t.get_screen_point_delegate(get_screen_point);
_self->_get_screen_point = Marshal.GetFunctionPointerForDelegate(_ds5);
_ds6 = new cef_render_handler_t.get_screen_info_delegate(get_screen_info);
_self->_get_screen_info = Marshal.GetFunctionPointerForDelegate(_ds6);
_ds7 = new cef_render_handler_t.on_popup_show_delegate(on_popup_show);
_self->_on_popup_show = Marshal.GetFunctionPointerForDelegate(_ds7);
_ds8 = new cef_render_handler_t.on_popup_size_delegate(on_popup_size);
_self->_on_popup_size = Marshal.GetFunctionPointerForDelegate(_ds8);
_ds9 = new cef_render_handler_t.on_paint_delegate(on_paint);
_self->_on_paint = Marshal.GetFunctionPointerForDelegate(_ds9);
_dsa = new cef_render_handler_t.on_cursor_change_delegate(on_cursor_change);
_self->_on_cursor_change = Marshal.GetFunctionPointerForDelegate(_dsa);
_dsb = new cef_render_handler_t.on_scroll_offset_changed_delegate(on_scroll_offset_changed);
_self->_on_scroll_offset_changed = Marshal.GetFunctionPointerForDelegate(_dsb);
}
private void update_drag_cursor(cef_render_handler_t *self, cef_browser_t *browser, CefDragOperationsMask operation)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
UpdateDragCursor(m_browser, operation);
}
private void on_popup_show(cef_render_handler_t *self, cef_browser_t *browser, int show)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
OnPopupShow(m_browser, show != 0);
}
private void on_scroll_offset_changed(cef_render_handler_t *self, cef_browser_t *browser, double x, double y)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
OnScrollOffsetChanged(m_browser, x, y);
}
private void on_virtual_keyboard_requested(cef_render_handler_t *self, cef_browser_t *browser, CefTextInputMode input_mode)
{
CheckSelf(self);
var mBrowser = CefBrowser.FromNative(browser);
OnVirtualKeyboardRequested(mBrowser, input_mode);
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_render_handler_t.Free(_self);
_self = null;
}
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_render_handler_t.Free(_self);
_self = null;
}
}
private void on_cursor_change(cef_render_handler_t *self, cef_browser_t *browser, IntPtr cursor)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
OnCursorChange(m_browser, cursor);
}
/// <summary>
/// Called when the browser window's cursor has changed.
/// </summary>
private void on_cursor_change(cef_render_handler_t *self, cef_browser_t *browser, cef_cursor_handle *cursor)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_cursor = (IntPtr)cursor;
this.OnCursorChange(m_browser, m_cursor);
}
/// <summary>
/// Called when the browser wants to move or resize the popup widget.
/// |rect| contains the new location and size.
/// </summary>
private void on_popup_size(cef_render_handler_t *self, cef_browser_t *browser, /*const*/ cef_rect_t *rect)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_rect = CefRect.From(rect);
this.OnPopupSize(m_browser, m_rect);
}
/// <summary>
/// Called when the browser wants to show or hide the popup widget. The
/// popup should be shown if |show| is true and hidden if |show| is
/// false.
/// </summary>
private void on_popup_show(cef_render_handler_t *self, cef_browser_t *browser, int show)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_show = show != 0;
this.OnPopupShow(m_browser, m_show);
}
private void on_popup_size(cef_render_handler_t *self, cef_browser_t *browser, cef_rect_t *rect)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_rect = new CefRectangle(rect->x, rect->y, rect->width, rect->height);
OnPopupSize(m_browser, m_rect);
}
private void on_text_selection_changed(cef_render_handler_t *self, cef_browser_t *browser, cef_string_t *selected_text, cef_range_t *selected_range)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_selected_text = cef_string_t.ToString(selected_text);
var m_selected_range = new CefRange(selected_range->from, selected_range->to);
OnTextSelectionChanged(m_browser, m_selected_text, m_selected_range);
}
private cef_accessibility_handler_t *get_accessibility_handler(cef_render_handler_t *self)
{
CheckSelf(self);
var result = GetAccessibilityHandler();
if (result == null)
{
return(null);
}
return(result.ToNative());
}
private int start_dragging(cef_render_handler_t *self, cef_browser_t *browser, cef_drag_data_t *drag_data, CefDragOperationsMask allowed_ops, int x, int y)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_dragData = CefDragData.FromNative(drag_data);
var m_result = StartDragging(m_browser, m_dragData, allowed_ops, x, y);
return(m_result ? 1 : 0);
}
private void add_ref(cef_render_handler_t *self)
{
lock (SyncRoot)
{
var result = ++_refct;
if (result == 1)
{
lock (_roots) { _roots.Add((IntPtr)_self, this); }
}
}
}
private int release(cef_render_handler_t *self)
{
lock (SyncRoot)
{
var result = --_refct;
if (result == 0)
{
lock (_roots) { _roots.Remove((IntPtr)_self); }
}
return(result);
}
}
private void on_cursor_change(cef_render_handler_t *self, cef_browser_t *browser, IntPtr cursor, CefCursorType type, cef_cursor_info_t *custom_cursor_info)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_cefCursorInfo = type == CefCursorType.Custom ? new CefCursorInfo(custom_cursor_info) : null;
OnCursorChange(m_browser, cursor, type, m_cefCursorInfo);
if (m_cefCursorInfo != null)
{
m_cefCursorInfo.Dispose();
}
}
private int get_screen_info(cef_render_handler_t *self, cef_browser_t *browser, cef_screen_info_t *screen_info)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_screenInfo = new CefScreenInfo(screen_info);
var result = GetScreenInfo(m_browser, m_screenInfo);
m_screenInfo.Dispose();
m_browser.Dispose();
return(result ? 1 : 0);
}
private void get_view_rect(cef_render_handler_t *self, cef_browser_t *browser, cef_rect_t *rect)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
CefRectangle m_rect;
GetViewRect(m_browser, out m_rect);
rect->x = m_rect.X;
rect->y = m_rect.Y;
rect->width = m_rect.Width;
rect->height = m_rect.Height;
}
/// <summary>
/// Called to retrieve the simulated screen rectangle. Return true if the
/// rectangle was provided.
/// </summary>
private int get_screen_rect(cef_render_handler_t *self, cef_browser_t *browser, cef_rect_t *rect)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
CefRect m_rect;
var handled = this.GetScreenRect(m_browser, out m_rect);
if (handled)
{
m_rect.To(rect);
}
return(handled ? 1 : 0);
}
/// <summary>
/// Called when an element should be painted. |type| indicates whether
/// the element is the view or the popup widget. |buffer| contains the
/// pixel data for the whole image. |dirtyRects| contains the set of
/// rectangles that need to be repainted. On Windows |buffer| will be
/// width*height*4 bytes in size and represents a BGRA image with an
/// upper-left origin.
/// </summary>
private void on_paint(cef_render_handler_t *self, cef_browser_t *browser, cef_paint_element_type_t type, int dirtyRectCount, cef_rect_t *dirtyRects, /*const*/ void *buffer)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_type = (CefPaintElementType)type;
var m_dirtyRects = new CefRect[dirtyRectCount];
for (int i = 0; i < m_dirtyRects.Length; i++)
{
m_dirtyRects[i] = CefRect.From(dirtyRects);
dirtyRects++;
}
var m_buffer = (IntPtr)buffer;
this.OnPaint(m_browser, m_type, m_dirtyRects, m_buffer);
}
protected CefRenderHandler()
{
_self = cef_render_handler_t.Alloc();
_ds0 = new cef_render_handler_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_render_handler_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_render_handler_t.has_one_ref_delegate(has_one_ref);
_self->_base._has_one_ref = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_render_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_render_handler_t.get_accessibility_handler_delegate(get_accessibility_handler);
_self->_get_accessibility_handler = Marshal.GetFunctionPointerForDelegate(_ds4);
_ds5 = new cef_render_handler_t.get_root_screen_rect_delegate(get_root_screen_rect);
_self->_get_root_screen_rect = Marshal.GetFunctionPointerForDelegate(_ds5);
_ds6 = new cef_render_handler_t.get_view_rect_delegate(get_view_rect);
_self->_get_view_rect = Marshal.GetFunctionPointerForDelegate(_ds6);
_ds7 = new cef_render_handler_t.get_screen_point_delegate(get_screen_point);
_self->_get_screen_point = Marshal.GetFunctionPointerForDelegate(_ds7);
_ds8 = new cef_render_handler_t.get_screen_info_delegate(get_screen_info);
_self->_get_screen_info = Marshal.GetFunctionPointerForDelegate(_ds8);
_ds9 = new cef_render_handler_t.on_popup_show_delegate(on_popup_show);
_self->_on_popup_show = Marshal.GetFunctionPointerForDelegate(_ds9);
_dsa = new cef_render_handler_t.on_popup_size_delegate(on_popup_size);
_self->_on_popup_size = Marshal.GetFunctionPointerForDelegate(_dsa);
_dsb = new cef_render_handler_t.on_paint_delegate(on_paint);
_self->_on_paint = Marshal.GetFunctionPointerForDelegate(_dsb);
_dsc = new cef_render_handler_t.on_accelerated_paint_delegate(on_accelerated_paint);
_self->_on_accelerated_paint = Marshal.GetFunctionPointerForDelegate(_dsc);
_dsd = new cef_render_handler_t.on_cursor_change_delegate(on_cursor_change);
_self->_on_cursor_change = Marshal.GetFunctionPointerForDelegate(_dsd);
_dse = new cef_render_handler_t.start_dragging_delegate(start_dragging);
_self->_start_dragging = Marshal.GetFunctionPointerForDelegate(_dse);
_dsf = new cef_render_handler_t.update_drag_cursor_delegate(update_drag_cursor);
_self->_update_drag_cursor = Marshal.GetFunctionPointerForDelegate(_dsf);
_ds10 = new cef_render_handler_t.on_scroll_offset_changed_delegate(on_scroll_offset_changed);
_self->_on_scroll_offset_changed = Marshal.GetFunctionPointerForDelegate(_ds10);
_ds11 = new cef_render_handler_t.on_ime_composition_range_changed_delegate(on_ime_composition_range_changed);
_self->_on_ime_composition_range_changed = Marshal.GetFunctionPointerForDelegate(_ds11);
_ds12 = new cef_render_handler_t.on_text_selection_changed_delegate(on_text_selection_changed);
_self->_on_text_selection_changed = Marshal.GetFunctionPointerForDelegate(_ds12);
_ds13 = new cef_render_handler_t.on_virtual_keyboard_requested_delegate(on_virtual_keyboard_requested);
_self->_on_virtual_keyboard_requested = Marshal.GetFunctionPointerForDelegate(_ds13);
}
/// <summary>
/// Called to retrieve the translation from view coordinates to actual
/// screen coordinates. Return true if the screen coordinates were
/// provided.
/// </summary>
private int get_screen_point(cef_render_handler_t *self, cef_browser_t *browser, int viewX, int viewY, int *screenX, int *screenY)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
int m_screenX;
int m_screenY;
var handled = this.GetScreenPoint(m_browser, viewX, viewY, out m_screenX, out m_screenY);
if (handled)
{
*screenX = m_screenX;
*screenY = m_screenY;
}
return(handled ? 1 : 0);
}
public CefRenderHandler()
{
cef_render_handler_t *self = this.NativeInstance;
self->get_accessibility_handler = (void *)Marshal.GetFunctionPointerForDelegate(fnGetAccessibilityHandler);
self->get_root_screen_rect = (void *)Marshal.GetFunctionPointerForDelegate(fnGetRootScreenRect);
self->get_view_rect = (void *)Marshal.GetFunctionPointerForDelegate(fnGetViewRect);
self->get_screen_point = (void *)Marshal.GetFunctionPointerForDelegate(fnGetScreenPoint);
self->get_screen_info = (void *)Marshal.GetFunctionPointerForDelegate(fnGetScreenInfo);
self->on_popup_show = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPopupShow);
self->on_popup_size = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPopupSize);
self->on_paint = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPaint);
self->on_accelerated_paint = (void *)Marshal.GetFunctionPointerForDelegate(fnOnAcceleratedPaint);
self->on_cursor_change = (void *)Marshal.GetFunctionPointerForDelegate(fnOnCursorChange);
self->start_dragging = (void *)Marshal.GetFunctionPointerForDelegate(fnStartDragging);
self->update_drag_cursor = (void *)Marshal.GetFunctionPointerForDelegate(fnUpdateDragCursor);
self->on_scroll_offset_changed = (void *)Marshal.GetFunctionPointerForDelegate(fnOnScrollOffsetChanged);
self->on_ime_composition_range_changed = (void *)Marshal.GetFunctionPointerForDelegate(fnOnImeCompositionRangeChanged);
self->on_text_selection_changed = (void *)Marshal.GetFunctionPointerForDelegate(fnOnTextSelectionChanged);
self->on_virtual_keyboard_requested = (void *)Marshal.GetFunctionPointerForDelegate(fnOnVirtualKeyboardRequested);
}
private int get_screen_point(cef_render_handler_t *self, cef_browser_t *browser, int viewX, int viewY, int *screenX, int *screenY)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
int m_screenX = 0;
int m_screenY = 0;
var result = GetScreenPoint(m_browser, viewX, viewY, ref m_screenX, ref m_screenY);
if (result)
{
*screenX = m_screenX;
*screenY = m_screenY;
return(1);
}
else
{
return(0);
}
}
private int get_root_screen_rect(cef_render_handler_t *self, cef_browser_t *browser, cef_rect_t *rect)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_rect = new CefRectangle();
var result = GetRootScreenRect(m_browser, ref m_rect);
if (result)
{
rect->x = m_rect.X;
rect->y = m_rect.Y;
rect->width = m_rect.Width;
rect->height = m_rect.Height;
return(1);
}
else
{
return(0);
}
}
public CefRenderHandler()
{
cef_render_handler_t *self = this.NativeInstance;
#if NET_LESS_5_0
self->get_accessibility_handler = (void *)Marshal.GetFunctionPointerForDelegate(fnGetAccessibilityHandler);
self->get_root_screen_rect = (void *)Marshal.GetFunctionPointerForDelegate(fnGetRootScreenRect);
self->get_view_rect = (void *)Marshal.GetFunctionPointerForDelegate(fnGetViewRect);
self->get_screen_point = (void *)Marshal.GetFunctionPointerForDelegate(fnGetScreenPoint);
self->get_screen_info = (void *)Marshal.GetFunctionPointerForDelegate(fnGetScreenInfo);
self->on_popup_show = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPopupShow);
self->on_popup_size = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPopupSize);
self->on_paint = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPaint);
self->on_accelerated_paint = (void *)Marshal.GetFunctionPointerForDelegate(fnOnAcceleratedPaint);
self->start_dragging = (void *)Marshal.GetFunctionPointerForDelegate(fnStartDragging);
self->update_drag_cursor = (void *)Marshal.GetFunctionPointerForDelegate(fnUpdateDragCursor);
self->on_scroll_offset_changed = (void *)Marshal.GetFunctionPointerForDelegate(fnOnScrollOffsetChanged);
self->on_ime_composition_range_changed = (void *)Marshal.GetFunctionPointerForDelegate(fnOnImeCompositionRangeChanged);
self->on_text_selection_changed = (void *)Marshal.GetFunctionPointerForDelegate(fnOnTextSelectionChanged);
self->on_virtual_keyboard_requested = (void *)Marshal.GetFunctionPointerForDelegate(fnOnVirtualKeyboardRequested);
#else
self->get_accessibility_handler = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_accessibility_handler_t * >) & GetAccessibilityHandlerImpl;
self->get_root_screen_rect = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_rect_t *, int >) & GetRootScreenRectImpl;
self->get_view_rect = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_rect_t *, void >) & GetViewRectImpl;
self->get_screen_point = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, int, int, int *, int *, int >) & GetScreenPointImpl;
self->get_screen_info = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_screen_info_t *, int >) & GetScreenInfoImpl;
self->on_popup_show = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, int, void >) & OnPopupShowImpl;
self->on_popup_size = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_rect_t *, void >) & OnPopupSizeImpl;
self->on_paint = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, CefPaintElementType, UIntPtr, cef_rect_t *, void *, int, int, void >) & OnPaintImpl;
self->on_accelerated_paint = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, CefPaintElementType, UIntPtr, cef_rect_t *, void *, void >) & OnAcceleratedPaintImpl;
self->start_dragging = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_drag_data_t *, CefDragOperationsMask, int, int, int >) & StartDraggingImpl;
self->update_drag_cursor = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, CefDragOperationsMask, void >) & UpdateDragCursorImpl;
self->on_scroll_offset_changed = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, double, double, void >) & OnScrollOffsetChangedImpl;
self->on_ime_composition_range_changed = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_range_t *, UIntPtr, cef_rect_t *, void >) & OnImeCompositionRangeChangedImpl;
self->on_text_selection_changed = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, cef_string_t *, cef_range_t *, void >) & OnTextSelectionChangedImpl;
self->on_virtual_keyboard_requested = (delegate * unmanaged[Stdcall] < cef_render_handler_t *, cef_browser_t *, CefTextInputMode, void >) & OnVirtualKeyboardRequestedImpl;
#endif
}
private void on_accelerated_paint(cef_render_handler_t *self, cef_browser_t *browser, CefPaintElementType type, UIntPtr dirtyRectsCount, cef_rect_t *dirtyRects, void *shared_handle)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
// TODO: reuse arrays?
var m_dirtyRects = new CefRectangle[(int)dirtyRectsCount];
var count = (int)dirtyRectsCount;
var rect = dirtyRects;
for (var i = 0; i < count; i++)
{
m_dirtyRects[i].X = rect->x;
m_dirtyRects[i].Y = rect->y;
m_dirtyRects[i].Width = rect->width;
m_dirtyRects[i].Height = rect->height;
rect++;
}
OnAcceleratedPaint(m_browser, type, m_dirtyRects, (IntPtr)shared_handle);
}
internal static void Free(cef_render_handler_t *ptr)
{
Marshal.FreeHGlobal((IntPtr)ptr);
}
private int has_one_ref(cef_render_handler_t *self)
{
lock (SyncRoot) { return(_refct == 1 ? 1 : 0); }
}
private int has_at_least_one_ref(cef_render_handler_t *self)
{
lock (SyncRoot) { return(_refct != 0 ? 1 : 0); }
}
