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

Issue 4310002: Make PPAPI headers compile with C compilers (gcc on Linux & Mac and MSVS on W... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 10 years, 1 month ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_ 5 #ifndef PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_
6 #define PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_ 6 #define PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_
7 7
8 #include "ppapi/c/pp_bool.h"
8 #include "ppapi/c/dev/pp_cursor_type_dev.h" 9 #include "ppapi/c/dev/pp_cursor_type_dev.h"
9 #include "ppapi/c/pp_instance.h" 10 #include "ppapi/c/pp_instance.h"
10 #include "ppapi/c/pp_point.h" 11 #include "ppapi/c/pp_point.h"
11 #include "ppapi/c/pp_resource.h" 12 #include "ppapi/c/pp_resource.h"
12 13
13 #define PPB_CURSOR_CONTROL_DEV_INTERFACE "PPB_CursorControl(Dev);0.1" 14 #define PPB_CURSOR_CONTROL_DEV_INTERFACE "PPB_CursorControl(Dev);0.2"
14 15
15 struct PPB_CursorControl_Dev { 16 struct PPB_CursorControl_Dev {
16 // Set a cursor. If "type" is PP_CURSOR_TYPE_CUSTOM, then "custom_image" 17 // Set a cursor. If "type" is PP_CURSOR_TYPE_CUSTOM, then "custom_image"
17 // must be an ImageData resource containing the cursor and "hot_spot" must 18 // must be an ImageData resource containing the cursor and "hot_spot" must
18 // contain the offset within that image that refers to the cursor's position. 19 // contain the offset within that image that refers to the cursor's position.
19 bool (*SetCursor)(PP_Instance instance, 20 PP_Bool (*SetCursor)(PP_Instance instance,
20 enum PP_CursorType_Dev type, 21 enum PP_CursorType_Dev type,
21 PP_Resource custom_image, 22 PP_Resource custom_image,
22 const struct PP_Point* hot_spot); 23 const struct PP_Point* hot_spot);
23 24
24 // This method causes the cursor to be moved to the center of the 25 // This method causes the cursor to be moved to the center of the
25 // instance and be locked, preventing the user from moving it. 26 // instance and be locked, preventing the user from moving it.
26 // The cursor is implicitly hidden from the user while locked. 27 // The cursor is implicitly hidden from the user while locked.
27 // Cursor lock may only be requested in response to a 28 // Cursor lock may only be requested in response to a
28 // PP_InputEvent_MouseDown, and then only if the event was generated via 29 // PP_InputEvent_MouseDown, and then only if the event was generated via
29 // user gesture. 30 // user gesture.
30 // 31 //
31 // While the cursor is locked, any movement of the mouse will 32 // While the cursor is locked, any movement of the mouse will
32 // generate a PP_InputEvent_Type_MouseMove, whose x and y values 33 // generate a PP_InputEvent_Type_MouseMove, whose x and y values
33 // indicate the position the cursor would have been moved to had 34 // indicate the position the cursor would have been moved to had
34 // the cursor not been locked, and had the screen been infinite in size. 35 // the cursor not been locked, and had the screen been infinite in size.
35 // 36 //
36 // The browser may revoke cursor lock for reasons including but not 37 // The browser may revoke cursor lock for reasons including but not
37 // limited to the user pressing the ESC key, the user activating 38 // limited to the user pressing the ESC key, the user activating
38 // another program via a reserved keystroke (e.g., ALT+TAB), or 39 // another program via a reserved keystroke (e.g., ALT+TAB), or
39 // some other system event. 40 // some other system event.
40 // 41 //
41 // Returns true if the cursor could be locked. 42 // Returns PP_TRUE if the cursor could be locked, PP_FALSE otherwise.
42 bool (*LockCursor)(PP_Instance); 43 PP_Bool (*LockCursor)(PP_Instance);
43 44
44 // Causes the cursor to be unlocked, allowing it to track user 45 // Causes the cursor to be unlocked, allowing it to track user
45 // movement again. 46 // movement again.
46 bool (*UnlockCursor)(PP_Instance); 47 PP_Bool (*UnlockCursor)(PP_Instance);
47 48
48 // Returns true if the cursor is locked. 49 // Returns PP_TRUE if the cursor is locked, PP_FALSE otherwise.
49 bool (*HasCursorLock)(PP_Instance); 50 PP_Bool (*HasCursorLock)(PP_Instance);
50 51
51 // Returns true if the cursor can be locked. 52 // Returns PP_TRUE if the cursor can be locked, PP_FALSE otherwise.
52 bool (*CanLockCursor)(PP_Instance); 53 PP_Bool (*CanLockCursor)(PP_Instance);
53 }; 54 };
54 55
55 #endif // PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_ 56 #endif // PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_
56
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