This repository was archived by the owner on Sep 7, 2021. It is now read-only.
forked from livecode/livecode-thirdparty
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathcef_render_handler.h
More file actions
174 lines (159 loc) · 6.89 KB
/
Copy pathcef_render_handler.h
File metadata and controls
174 lines (159 loc) · 6.89 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
// 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 "include/cef_base.h"
#include "include/cef_browser.h"
#include "include/cef_drag_data.h"
#include <vector>
///
// 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 CefBase {
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.
///
/*--cef()--*/
virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
const CefRect& rect) {}
///
// Called when an element should be painted. |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 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|.
// 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) {}
};
#endif // CEF_INCLUDE_CEF_RENDER_HANDLER_H_