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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 /** | |
| 7 * This file defines the <code>PPB_Buffer_Dev</code> interface. | |
| 8 */ | |
| 9 label Chrome { | |
| 10 M14 = 0.5 | |
| 11 }; | |
| 12 | |
| 13 [assert_size(4)] | |
| 14 enum PP_ScrollBy_Dev { | |
| 15 PP_SCROLLBY_PIXEL = 0, | |
| 16 PP_SCROLLBY_LINE = 1, | |
| 17 PP_SCROLLBY_PAGE = 2, | |
| 18 PP_SCROLLBY_DOCUMENT = 3 | |
| 19 }; | |
| 20 | |
| 21 /** | |
| 22 * The interface for a scrollbar. A scrollbar is a widget, so the functions | |
| 23 * in PPB_Widget can also be used with scrollbar objects. | |
| 24 */ | |
| 25 interface PPB_Scrollbar_Dev { | |
| 26 /** | |
| 27 * Create a new scrollbar. Returns 0 if the instance is invalid. | |
| 28 */ | |
| 29 PP_Resource Create([in] PP_Instance instance, | |
| 30 [in] PP_Bool vertical); | |
| 31 | |
| 32 /** | |
| 33 * Returns PP_TRUE if the given resource is a Scrollbar. Returns PP_FALSE if | |
| 34 * the resource is invalid or some type other than a scrollbar. | |
| 35 */ | |
| 36 PP_Bool IsScrollbar([in] PP_Resource resource); | |
| 37 | |
| 38 /** | |
| 39 * Gets the thickness of a scrollbar. | |
| 40 */ | |
| 41 uint32_t GetThickness([in] PP_Resource resource); | |
| 42 | |
| 43 /** | |
| 44 * Returns PP_TRUE if the system scrollbar style is an overlap scrollbar. | |
| 45 */ | |
| 46 PP_Bool IsOverlay([in] PP_Resource scrollbar); | |
| 47 | |
| 48 /** | |
| 49 * Gets the value of the scrollbar. | |
| 50 */ | |
| 51 uint32_t GetValue([in] PP_Resource scrollbar); | |
| 52 | |
| 53 /** | |
| 54 * Sets the value of the scrollbar. | |
| 55 */ | |
| 56 void SetValue([in] PP_Resource scrollbar, | |
| 57 [in] uint32_t value); | |
| 58 | |
| 59 /** | |
| 60 * Set the document size (i.e. total length of the region that's being | |
| 61 * scrolled). | |
| 62 */ | |
| 63 void SetDocumentSize([in] PP_Resource scrollbar, | |
| 64 [in] uint32_t size); | |
| 65 | |
| 66 /** | |
| 67 * Updates the tickmarks. Only valid for vertical scrollbars. "tick_marks" | |
| 68 * contains "count" PP_Rect objects. | |
| 69 */ | |
| 70 void SetTickMarks([in] PP_Resource scrollbar, | |
| 71 [in, size_as=count] PP_Rect[] tick_marks, | |
| 72 [in] uint32_t count); | |
| 73 | |
| 74 /** | |
| 75 * Scroll by "multiplier" pixels/lines/pages units. Positive values are | |
| 76 * forward and negative are backward. If "unit" is document then any positive | |
| 77 * value goes to the end while any negative value goes to the beginning. | |
| 78 */ | |
| 79 void ScrollBy([in] PP_Resource scrollbar, | |
| 80 [in] PP_ScrollBy_Dev unit, | |
| 81 [in] int32_t multiplier); | |
| 82 }; | |
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Chromium Code Reviews
Issue 1161563002:
Remove unused in-process pepper APIs (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master