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// Copyright 2018 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
#pragma once
#include "include/base/cef_weak_ptr.h"
#include "include/cef_render_handler.h"
#include "tests/cefclient/browser/osr_renderer_settings.h"
namespace client {
// Abstract base class for implementing OSR rendering with different backends on
// Windows. Methods are only called on the UI thread.
class OsrRenderHandlerWin {
OsrRenderHandlerWin(const OsrRendererSettings& settings, HWND hwnd);
virtual ~OsrRenderHandlerWin();
void SetBrowser(CefRefPtr<CefBrowser> browser);
// Rotate the texture based on mouse events.
virtual void SetSpin(float spinX, float spinY) = 0;
virtual void IncrementSpin(float spinDX, float spinDY) = 0;
// Popup hit testing.
virtual bool IsOverPopupWidget(int x, int y) const = 0;
virtual int GetPopupXOffset() const = 0;
virtual int GetPopupYOffset() const = 0;
// CefRenderHandler callbacks.
virtual void OnPopupShow(CefRefPtr<CefBrowser> browser, bool show) = 0;
// |rect| must be in pixel coordinates.
virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
const CefRect& rect) = 0;
// Used when not rendering with shared textures.
virtual void OnPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
const void* buffer,
int width,
int height) = 0;
// Used when rendering with shared textures.
virtual void OnAcceleratedPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
void* share_handle) = 0;
bool send_begin_frame() const {
return settings_.external_begin_frame_enabled;
HWND hwnd() const { return hwnd_; }
// Called to trigger the BeginFrame timer.
void Invalidate();
// Called by the BeginFrame timer.
virtual void Render() = 0;
void TriggerBeginFrame(uint64_t last_time_us, float delay_us);
// The below members are only accessed on the UI thread.
const OsrRendererSettings settings_;
const HWND hwnd_;
bool begin_frame_pending_;
CefRefPtr<CefBrowser> browser_;
// Must be the last member.
base::WeakPtrFactory<OsrRenderHandlerWin> weak_factory_;
} // namespace client