ppapi/c/dev/ppb_widget_dev.h

   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_widget_dev.idl modified Mon Aug 20 10:21:06 2012. */
   7
   8 #ifndef PPAPI_C_DEV_PPB_WIDGET_DEV_H_
   9 #define PPAPI_C_DEV_PPB_WIDGET_DEV_H_
  10
  11 #include "ppapi/c/pp_bool.h"
  12 #include "ppapi/c/pp_macros.h"
  13 #include "ppapi/c/pp_point.h"
  14 #include "ppapi/c/pp_rect.h"
  15 #include "ppapi/c/pp_resource.h"
  16 #include "ppapi/c/pp_size.h"
  17 #include "ppapi/c/pp_stdint.h"
  18
  19 #define PPB_WIDGET_DEV_INTERFACE_0_3 "PPB_Widget(Dev);0.3"
  20 #define PPB_WIDGET_DEV_INTERFACE_0_4 "PPB_Widget(Dev);0.4"
  21 #define PPB_WIDGET_DEV_INTERFACE PPB_WIDGET_DEV_INTERFACE_0_4
  22
  23 /**
  24  * @file
  25  * Implementation of the widgets interface.
  26  */
  27
  28
  29 /**
  30  * @addtogroup Interfaces
  31  * @{
  32  */
  33 /**
  34  * The interface for reusing browser widgets.
  35  */
  36 struct PPB_Widget_Dev_0_4 {
  37   /**
  38    * Returns PP_TRUE if the given resource is a Widget. Returns PP_FALSE if the
  39    * resource is invalid or some type other than an Widget.
  40    */
  41   PP_Bool (*IsWidget)(PP_Resource resource);
  42   /**
  43    * Paint the given rectangle of the widget into the given image.
  44    * Returns PP_TRUE on success, PP_FALSE on failure.
  45    */
  46   PP_Bool (*Paint)(PP_Resource widget,
  47                    const struct PP_Rect* rect,
  48                    PP_Resource image);
  49   /**
  50    * Pass in an event to a widget.  It'll return PP_TRUE if the event was
  51    * consumed.
  52    */
  53   PP_Bool (*HandleEvent)(PP_Resource widget, PP_Resource input_event);
  54   /**
  55    * Get the location of the widget.
  56    */
  57   PP_Bool (*GetLocation)(PP_Resource widget, struct PP_Rect* location);
  58   /**
  59    * Set the location of the widget.
  60    */
  61   void (*SetLocation)(PP_Resource widget, const struct PP_Rect* location);
  62   /**
  63    * Set scale used during paint operations.
  64    */
  65   void (*SetScale)(PP_Resource widget, float scale);
  66 };
  67
  68 typedef struct PPB_Widget_Dev_0_4 PPB_Widget_Dev;
  69
  70 struct PPB_Widget_Dev_0_3 {
  71   PP_Bool (*IsWidget)(PP_Resource resource);
  72   PP_Bool (*Paint)(PP_Resource widget,
  73                    const struct PP_Rect* rect,
  74                    PP_Resource image);
  75   PP_Bool (*HandleEvent)(PP_Resource widget, PP_Resource input_event);
  76   PP_Bool (*GetLocation)(PP_Resource widget, struct PP_Rect* location);
  77   void (*SetLocation)(PP_Resource widget, const struct PP_Rect* location);
  78 };
  79 /**
  80  * @}
  81  */
  82
  83 #endif  /* PPAPI_C_DEV_PPB_WIDGET_DEV_H_ */
  84