cef/libcef/browser/render_widget_host_view_osr...

60 lines
1.5 KiB
C++

// Copyright (c) 2014 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "libcef/browser/render_widget_host_view_osr.h"
#include "libcef/browser/browser_host_impl.h"
namespace {
class CefCompositorHostWin : public gfx::WindowImpl {
public:
CefCompositorHostWin() {
// Create a hidden 1x1 borderless window.
set_window_style(WS_POPUP | WS_SYSMENU);
Init(NULL, gfx::Rect(0, 0, 1, 1));
}
virtual ~CefCompositorHostWin() {
DestroyWindow(hwnd());
}
private:
CR_BEGIN_MSG_MAP_EX(CompositorHostWin)
CR_MSG_WM_PAINT(OnPaint)
CR_END_MSG_MAP()
void OnPaint(HDC dc) {
ValidateRect(hwnd(), NULL);
}
DISALLOW_COPY_AND_ASSIGN(CefCompositorHostWin);
};
} // namespace
void CefRenderWidgetHostViewOSR::SetParentNativeViewAccessible(
gfx::NativeViewAccessible accessible_parent) {
}
gfx::NativeViewId
CefRenderWidgetHostViewOSR::GetParentForWindowlessPlugin() const {
if (browser_impl_.get()) {
return reinterpret_cast<gfx::NativeViewId>(
browser_impl_->GetWindowHandle());
}
return NULL;
}
void CefRenderWidgetHostViewOSR::PlatformCreateCompositorWidget() {
DCHECK(!window_);
window_.reset(new CefCompositorHostWin());
compositor_widget_ = window_->hwnd();
}
void CefRenderWidgetHostViewOSR::PlatformDestroyCompositorWidget() {
window_.reset(NULL);
compositor_widget_ = gfx::kNullAcceleratedWidget;
}