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 #ifndef PPAPI_SHARED_IMPL_PPP_INSTANCE_COMBINED_H_ 6 #define PPAPI_SHARED_IMPL_PPP_INSTANCE_COMBINED_H_ 7 8 #include "base/basictypes.h" 9 #include "base/callback.h" 10 #include "ppapi/c/ppp_instance.h" 11 #include "ppapi/shared_impl/ppapi_shared_export.h" 12 13 namespace ppapi { 14 15 // This exposes the 1.1 interface and forwards it to the 1.0 interface is 16 // necessary. 17 struct PPAPI_SHARED_EXPORT PPP_Instance_Combined { 18 public: 19 // Create a PPP_Instance_Combined. Uses the given |get_interface_func| to 20 // query the plugin and find the most recent version of the PPP_Instance 21 // interface. If the plugin doesn't support any PPP_Instance interface, 22 // returns NULL. 23 static PPP_Instance_Combined* Create( 24 base::Callback<const void*(const char*)> get_plugin_if); 25 26 PP_Bool DidCreate(PP_Instance instance, 27 uint32_t argc, 28 const char* argn[], 29 const char* argv[]); 30 void DidDestroy(PP_Instance instance); 31 32 // This version of DidChangeView encapsulates all arguments for both 1.0 33 // and 1.1 versions of this function. Conversion from 1.1 -> 1.0 is easy, 34 // but this class doesn't have the necessary context (resource interfaces) 35 // to do the conversion, so the caller must do it. 36 void DidChangeView(PP_Instance instance, 37 PP_Resource view_changed_resource, 38 const struct PP_Rect* position, 39 const struct PP_Rect* clip); 40 41 void DidChangeFocus(PP_Instance instance, PP_Bool has_focus); 42 PP_Bool HandleDocumentLoad(PP_Instance instance, PP_Resource url_loader); 43 44 private: 45 explicit PPP_Instance_Combined(const PPP_Instance_1_0& instance_if); 46 explicit PPP_Instance_Combined(const PPP_Instance_1_1& instance_if); 47 48 // For version 1.0, DidChangeView will be NULL, and DidChangeView_1_0 will 49 // be set below. 50 PPP_Instance_1_1 instance_1_1_; 51 52 // Non-NULL when Instance 1.0 is used. 53 void (*did_change_view_1_0_)(PP_Instance instance, 54 const struct PP_Rect* position, 55 const struct PP_Rect* clip); 56 57 DISALLOW_COPY_AND_ASSIGN(PPP_Instance_Combined); 58 }; 59 60 } // namespace ppapi 61 62 #endif // PPAPI_SHARED_IMPL_PPP_INSTANCE_COMBINED_H_ 63