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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 #include "ppapi/shared_impl/ppp_instance_combined.h"
      6 #include "ppapi/shared_impl/proxy_lock.h"
      7 
      8 namespace ppapi {
      9 
     10 // static
     11 PPP_Instance_Combined* PPP_Instance_Combined::Create(
     12     base::Callback<const void*(const char*)> get_interface_func) {
     13   // Try 1.1.
     14   const void* ppp_instance = get_interface_func.Run(PPP_INSTANCE_INTERFACE_1_1);
     15   if (ppp_instance) {
     16     const PPP_Instance_1_1* ppp_instance_1_1 =
     17         static_cast<const PPP_Instance_1_1*>(ppp_instance);
     18     return new PPP_Instance_Combined(*ppp_instance_1_1);
     19   }
     20   // Failing that, try 1.0.
     21   ppp_instance = get_interface_func.Run(PPP_INSTANCE_INTERFACE_1_0);
     22   if (ppp_instance) {
     23     const PPP_Instance_1_0* ppp_instance_1_0 =
     24         static_cast<const PPP_Instance_1_0*>(ppp_instance);
     25     return new PPP_Instance_Combined(*ppp_instance_1_0);
     26   }
     27   // No supported PPP_Instance version found.
     28   return NULL;
     29 }
     30 
     31 PPP_Instance_Combined::PPP_Instance_Combined(
     32     const PPP_Instance_1_0& instance_if)
     33     : did_change_view_1_0_(instance_if.DidChangeView) {
     34   instance_1_1_.DidCreate = instance_if.DidCreate;
     35   instance_1_1_.DidDestroy = instance_if.DidDestroy;
     36   instance_1_1_.DidChangeView = NULL;
     37   instance_1_1_.DidChangeFocus = instance_if.DidChangeFocus;
     38   instance_1_1_.HandleDocumentLoad = instance_if.HandleDocumentLoad;
     39 }
     40 
     41 PPP_Instance_Combined::PPP_Instance_Combined(
     42     const PPP_Instance_1_1& instance_if)
     43     : instance_1_1_(instance_if), did_change_view_1_0_(NULL) {}
     44 
     45 PP_Bool PPP_Instance_Combined::DidCreate(PP_Instance instance,
     46                                          uint32_t argc,
     47                                          const char* argn[],
     48                                          const char* argv[]) {
     49   return CallWhileUnlocked(instance_1_1_.DidCreate, instance, argc, argn, argv);
     50 }
     51 
     52 void PPP_Instance_Combined::DidDestroy(PP_Instance instance) {
     53   return CallWhileUnlocked(instance_1_1_.DidDestroy, instance);
     54 }
     55 
     56 void PPP_Instance_Combined::DidChangeView(PP_Instance instance,
     57                                           PP_Resource view_changed_resource,
     58                                           const struct PP_Rect* position,
     59                                           const struct PP_Rect* clip) {
     60   if (instance_1_1_.DidChangeView) {
     61     CallWhileUnlocked(
     62         instance_1_1_.DidChangeView, instance, view_changed_resource);
     63   } else {
     64     CallWhileUnlocked(did_change_view_1_0_, instance, position, clip);
     65   }
     66 }
     67 
     68 void PPP_Instance_Combined::DidChangeFocus(PP_Instance instance,
     69                                            PP_Bool has_focus) {
     70   CallWhileUnlocked(instance_1_1_.DidChangeFocus, instance, has_focus);
     71 }
     72 
     73 PP_Bool PPP_Instance_Combined::HandleDocumentLoad(PP_Instance instance,
     74                                                   PP_Resource url_loader) {
     75   return CallWhileUnlocked(
     76       instance_1_1_.HandleDocumentLoad, instance, url_loader);
     77 }
     78 
     79 }  // namespace ppapi
     80