--- /dev/null
+// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// The contents of this file must follow a specific format in order to
+// support the CEF translator tool. See the translator.README.txt file in the
+// tools directory for more information.
+//
+
+#ifndef CEF_INCLUDE_CEF_RENDER_HANDLER_H_
+#define CEF_INCLUDE_CEF_RENDER_HANDLER_H_
+#pragma once
+
+#include <vector>
+
+#include "include/cef_base.h"
+#include "include/cef_browser.h"
+#include "include/cef_drag_data.h"
+
+///
+// Implement this interface to handle events when window rendering is disabled.
+// The methods of this class will be called on the UI thread.
+///
+/*--cef(source=client)--*/
+class CefRenderHandler : public virtual CefBaseRefCounted {
+ public:
+ typedef cef_cursor_type_t CursorType;
+ typedef cef_drag_operations_mask_t DragOperation;
+ typedef cef_drag_operations_mask_t DragOperationsMask;
+ typedef cef_paint_element_type_t PaintElementType;
+ typedef std::vector<CefRect> RectList;
+
+ ///
+ // Called to retrieve the root window rectangle in screen coordinates. Return
+ // true if the rectangle was provided.
+ ///
+ /*--cef()--*/
+ virtual bool GetRootScreenRect(CefRefPtr<CefBrowser> browser,
+ CefRect& rect) { return false; }
+
+ ///
+ // Called to retrieve the view rectangle which is relative to screen
+ // coordinates. Return true if the rectangle was provided.
+ ///
+ /*--cef()--*/
+ virtual bool GetViewRect(CefRefPtr<CefBrowser> browser, CefRect& rect) =0;
+
+ ///
+ // Called to retrieve the translation from view coordinates to actual screen
+ // coordinates. Return true if the screen coordinates were provided.
+ ///
+ /*--cef()--*/
+ virtual bool GetScreenPoint(CefRefPtr<CefBrowser> browser,
+ int viewX,
+ int viewY,
+ int& screenX,
+ int& screenY) { return false; }
+
+ ///
+ // Called to allow the client to fill in the CefScreenInfo object with
+ // appropriate values. Return true if the |screen_info| structure has been
+ // modified.
+ //
+ // If the screen info rectangle is left empty the rectangle from GetViewRect
+ // will be used. If the rectangle is still empty or invalid popups may not be
+ // drawn correctly.
+ ///
+ /*--cef()--*/
+ virtual bool GetScreenInfo(CefRefPtr<CefBrowser> browser,
+ CefScreenInfo& screen_info) { return false; }
+
+ ///
+ // Called when the browser wants to show or hide the popup widget. The popup
+ // should be shown if |show| is true and hidden if |show| is false.
+ ///
+ /*--cef()--*/
+ virtual void OnPopupShow(CefRefPtr<CefBrowser> browser,
+ bool show) {}
+
+ ///
+ // Called when the browser wants to move or resize the popup widget. |rect|
+ // contains the new location and size in view coordinates.
+ ///
+ /*--cef()--*/
+ virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
+ const CefRect& rect) {}
+
+ ///
+ // Called when an element should be painted. Pixel values passed to this
+ // method are scaled relative to view coordinates based on the value of
+ // CefScreenInfo.device_scale_factor returned from GetScreenInfo. |type|
+ // indicates whether the element is the view or the popup widget. |buffer|
+ // contains the pixel data for the whole image. |dirtyRects| contains the set
+ // of rectangles in pixel coordinates that need to be repainted. |buffer| will
+ // be |width|*|height|*4 bytes in size and represents a BGRA image with an
+ // upper-left origin.
+ ///
+ /*--cef()--*/
+ virtual void OnPaint(CefRefPtr<CefBrowser> browser,
+ PaintElementType type,
+ const RectList& dirtyRects,
+ const void* buffer,
+ int width, int height) =0;
+
+ ///
+ // Called when the browser's cursor has changed. If |type| is CT_CUSTOM then
+ // |custom_cursor_info| will be populated with the custom cursor information.
+ ///
+ /*--cef()--*/
+ virtual void OnCursorChange(CefRefPtr<CefBrowser> browser,
+ CefCursorHandle cursor,
+ CursorType type,
+ const CefCursorInfo& custom_cursor_info) {}
+
+ ///
+ // Called when the user starts dragging content in the web view. Contextual
+ // information about the dragged content is supplied by |drag_data|.
+ // (|x|, |y|) is the drag start location in screen coordinates.
+ // OS APIs that run a system message loop may be used within the
+ // StartDragging call.
+ //
+ // Return false to abort the drag operation. Don't call any of
+ // CefBrowserHost::DragSource*Ended* methods after returning false.
+ //
+ // Return true to handle the drag operation. Call
+ // CefBrowserHost::DragSourceEndedAt and DragSourceSystemDragEnded either
+ // synchronously or asynchronously to inform the web view that the drag
+ // operation has ended.
+ ///
+ /*--cef()--*/
+ virtual bool StartDragging(CefRefPtr<CefBrowser> browser,
+ CefRefPtr<CefDragData> drag_data,
+ DragOperationsMask allowed_ops,
+ int x, int y) { return false; }
+
+ ///
+ // Called when the web view wants to update the mouse cursor during a
+ // drag & drop operation. |operation| describes the allowed operation
+ // (none, move, copy, link).
+ ///
+ /*--cef()--*/
+ virtual void UpdateDragCursor(CefRefPtr<CefBrowser> browser,
+ DragOperation operation) {}
+
+ ///
+ // Called when the scroll offset has changed.
+ ///
+ /*--cef()--*/
+ virtual void OnScrollOffsetChanged(CefRefPtr<CefBrowser> browser,
+ double x,
+ double y) {}
+
+ ///
+ // Called when the IME composition range has changed. |selected_range| is the
+ // range of characters that have been selected. |character_bounds| is the
+ // bounds of each character in view coordinates.
+ ///
+ /*--cef()--*/
+ virtual void OnImeCompositionRangeChanged(CefRefPtr<CefBrowser> browser,
+ const CefRange& selected_range,
+ const RectList& character_bounds) {}
+};
+
+#endif // CEF_INCLUDE_CEF_RENDER_HANDLER_H_
projects / casparcg / blobdiff