electron/atom/browser/osr_render_widget_host_view_win.cc
2016-07-31 12:19:56 +02:00

46 lines
1 KiB
C++

// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include <windows.h>
#include "atom/browser/osr_render_widget_host_view.h"
namespace atom {
class DummyWindowWin : public gfx::WindowImpl {
public:
DummyWindowWin() {
// Create a hidden 1x1 borderless window.
set_window_style(WS_POPUP | WS_SYSMENU);
Init(NULL, gfx::Rect(0, 0, 1, 1));
}
~DummyWindowWin() override {
DestroyWindow(hwnd());
}
private:
CR_BEGIN_MSG_MAP_EX(DummyWindowWin)
CR_MSG_WM_PAINT(OnPaint)
CR_END_MSG_MAP()
void OnPaint(HDC dc) {
ValidateRect(hwnd(), NULL);
}
DISALLOW_COPY_AND_ASSIGN(DummyWindowWin);
};
void OffScreenRenderWidgetHostView::CreatePlatformWidget() {
DCHECK(!window_);
window_.reset(new DummyWindowWin());
compositor_widget_ = window_->hwnd();
}
void OffScreenRenderWidgetHostView::DestroyPlatformWidget() {
window_.reset(NULL);
compositor_widget_ = gfx::kNullAcceleratedWidget;
}
} // namespace atom