120 lines
4.7 KiB
C
120 lines
4.7 KiB
C
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// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file must follow a specific format in order to
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// support the CEF translator tool. See the translator.README.txt file in the
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// tools directory for more information.
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//
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#ifndef CEF_INCLUDE_CEF_RENDER_HANDLER_H_
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#define CEF_INCLUDE_CEF_RENDER_HANDLER_H_
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#pragma once
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#include "include/cef_base.h"
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#include "include/cef_browser.h"
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#include <vector>
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///
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// Implement this interface to handle events when window rendering is disabled.
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// The methods of this class will be called on the UI thread.
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///
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/*--cef(source=client)--*/
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class CefRenderHandler : public virtual CefBase {
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public:
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typedef cef_paint_element_type_t PaintElementType;
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typedef std::vector<CefRect> RectList;
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///
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// Called to retrieve the root window rectangle in screen coordinates. Return
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// true if the rectangle was provided.
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///
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/*--cef()--*/
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virtual bool GetRootScreenRect(CefRefPtr<CefBrowser> browser,
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CefRect& rect) { return false; }
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///
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// Called to retrieve the view rectangle which is relative to screen
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// coordinates. Return true if the rectangle was provided.
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///
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/*--cef()--*/
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virtual bool GetViewRect(CefRefPtr<CefBrowser> browser, CefRect& rect) =0;
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///
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// Called to retrieve the translation from view coordinates to actual screen
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// coordinates. Return true if the screen coordinates were provided.
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///
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/*--cef()--*/
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virtual bool GetScreenPoint(CefRefPtr<CefBrowser> browser,
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int viewX,
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int viewY,
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int& screenX,
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int& screenY) { return false; }
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///
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// Called when the browser wants to show or hide the popup widget. The popup
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// should be shown if |show| is true and hidden if |show| is false.
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///
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/*--cef()--*/
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virtual void OnPopupShow(CefRefPtr<CefBrowser> browser,
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bool show) {}
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///
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// Called when the browser wants to move or resize the popup widget. |rect|
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// contains the new location and size.
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///
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/*--cef()--*/
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virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
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const CefRect& rect) {}
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///
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// Called when an element should be painted. |type| indicates whether the
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// element is the view or the popup widget. |buffer| contains the pixel data
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// for the whole image. |dirtyRects| contains the set of rectangles that need
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// to be repainted. On Windows |buffer| will be |width|*|height|*4 bytes
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// in size and represents a BGRA image with an upper-left origin.
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///
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/*--cef()--*/
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virtual void OnPaint(CefRefPtr<CefBrowser> browser,
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PaintElementType type,
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const RectList& dirtyRects,
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const void* buffer,
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int width, int height) =0;
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///
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// Called when the browser window's cursor has changed.
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///
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/*--cef()--*/
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virtual void OnCursorChange(CefRefPtr<CefBrowser> browser,
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CefCursorHandle cursor) {}
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};
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#endif // CEF_INCLUDE_CEF_RENDER_HANDLER_H_
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