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Side by Side Diff: ppapi/c/dev/ppb_scrollbar_dev.h

Issue 1161563002: Remove unused in-process pepper APIs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 6 months ago
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1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 */
5
6 /* From dev/ppb_scrollbar_dev.idl modified Wed Oct 5 14:06:02 2011. */
7
8 #ifndef PPAPI_C_DEV_PPB_SCROLLBAR_DEV_H_
9 #define PPAPI_C_DEV_PPB_SCROLLBAR_DEV_H_
10
11 #include "ppapi/c/pp_bool.h"
12 #include "ppapi/c/pp_instance.h"
13 #include "ppapi/c/pp_macros.h"
14 #include "ppapi/c/pp_point.h"
15 #include "ppapi/c/pp_rect.h"
16 #include "ppapi/c/pp_resource.h"
17 #include "ppapi/c/pp_size.h"
18 #include "ppapi/c/pp_stdint.h"
19
20 #define PPB_SCROLLBAR_DEV_INTERFACE_0_5 "PPB_Scrollbar(Dev);0.5"
21 #define PPB_SCROLLBAR_DEV_INTERFACE PPB_SCROLLBAR_DEV_INTERFACE_0_5
22
23 /**
24 * @file
25 * This file defines the <code>PPB_Buffer_Dev</code> interface.
26 */
27
28
29 /**
30 * @addtogroup Enums
31 * @{
32 */
33 typedef enum {
34 PP_SCROLLBY_PIXEL = 0,
35 PP_SCROLLBY_LINE = 1,
36 PP_SCROLLBY_PAGE = 2,
37 PP_SCROLLBY_DOCUMENT = 3
38 } PP_ScrollBy_Dev;
39 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_ScrollBy_Dev, 4);
40 /**
41 * @}
42 */
43
44 /**
45 * @addtogroup Interfaces
46 * @{
47 */
48 /**
49 * The interface for a scrollbar. A scrollbar is a widget, so the functions
50 * in PPB_Widget can also be used with scrollbar objects.
51 */
52 struct PPB_Scrollbar_Dev_0_5 {
53 /**
54 * Create a new scrollbar. Returns 0 if the instance is invalid.
55 */
56 PP_Resource (*Create)(PP_Instance instance, PP_Bool vertical);
57 /**
58 * Returns PP_TRUE if the given resource is a Scrollbar. Returns PP_FALSE if
59 * the resource is invalid or some type other than a scrollbar.
60 */
61 PP_Bool (*IsScrollbar)(PP_Resource resource);
62 /**
63 * Gets the thickness of a scrollbar.
64 */
65 uint32_t (*GetThickness)(PP_Resource resource);
66 /**
67 * Returns PP_TRUE if the system scrollbar style is an overlap scrollbar.
68 */
69 PP_Bool (*IsOverlay)(PP_Resource scrollbar);
70 /**
71 * Gets the value of the scrollbar.
72 */
73 uint32_t (*GetValue)(PP_Resource scrollbar);
74 /**
75 * Sets the value of the scrollbar.
76 */
77 void (*SetValue)(PP_Resource scrollbar, uint32_t value);
78 /**
79 * Set the document size (i.e. total length of the region that's being
80 * scrolled).
81 */
82 void (*SetDocumentSize)(PP_Resource scrollbar, uint32_t size);
83 /**
84 * Updates the tickmarks. Only valid for vertical scrollbars. "tick_marks"
85 * contains "count" PP_Rect objects.
86 */
87 void (*SetTickMarks)(PP_Resource scrollbar,
88 const struct PP_Rect tick_marks[],
89 uint32_t count);
90 /**
91 * Scroll by "multiplier" pixels/lines/pages units. Positive values are
92 * forward and negative are backward. If "unit" is document then any positive
93 * value goes to the end while any negative value goes to the beginning.
94 */
95 void (*ScrollBy)(PP_Resource scrollbar,
96 PP_ScrollBy_Dev unit,
97 int32_t multiplier);
98 };
99
100 typedef struct PPB_Scrollbar_Dev_0_5 PPB_Scrollbar_Dev;
101 /**
102 * @}
103 */
104
105 #endif /* PPAPI_C_DEV_PPB_SCROLLBAR_DEV_H_ */
106
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