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 3 // found in the LICENSE file. 4 5 #ifndef PPAPI_CPP_DEV_FIND_DEV_H_ 6 #define PPAPI_CPP_DEV_FIND_DEV_H_ 7 8 #include <string> 9 10 #include "ppapi/c/dev/ppp_find_dev.h" 11 #include "ppapi/cpp/instance_handle.h" 12 13 namespace pp { 14 15 class Instance; 16 17 // This class allows you to associate the PPP_Find and PPB_Find C-based 18 // interfaces with an object. It associates itself with the given instance, and 19 // registers as the global handler for handling the PPP_Find interface that the 20 // browser calls. 21 // 22 // You would typically use this either via inheritance on your instance: 23 // class MyInstance : public pp::Instance, public pp::Find_Dev { 24 // class MyInstance() : pp::Find_Dev(this) { 25 // } 26 // ... 27 // }; 28 // 29 // or by composition: 30 // class MyFinder : public pp::Find { 31 // ... 32 // }; 33 // 34 // class MyInstance : public pp::Instance { 35 // MyInstance() : finder_(this) { 36 // } 37 // 38 // MyFinder finder_; 39 // }; 40 class Find_Dev { 41 public: 42 // The instance parameter must outlive this class. 43 Find_Dev(Instance* instance); 44 virtual ~Find_Dev(); 45 46 // PPP_Find_Dev functions exposed as virtual functions for you to 47 // override. 48 virtual bool StartFind(const std::string& text, bool case_sensitive) = 0; 49 virtual void SelectFindResult(bool forward) = 0; 50 virtual void StopFind() = 0; 51 52 // PPB_Find_Def functions for you to call to report find results. 53 void NumberOfFindResultsChanged(int32_t total, bool final_result); 54 void SelectedFindResultChanged(int32_t index); 55 56 private: 57 InstanceHandle associated_instance_; 58 }; 59 60 } // namespace pp 61 62 #endif // PPAPI_CPP_DEV_FIND_DEV_H_ 63
