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