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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_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 
     85