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| 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_Dev functions for you to call to report find results. | |
| 53 void SetPluginToHandleFindRequests(); | |
| 54 void NumberOfFindResultsChanged(int32_t total, bool final_result); | |
| 55 void SelectedFindResultChanged(int32_t index); | |
| 56 | |
| 57 private: | |
| 58 InstanceHandle associated_instance_; | |
| 59 }; | |
| 60 | |
| 61 } // namespace pp | |
| 62 | |
| 63 #endif // PPAPI_CPP_DEV_FIND_DEV_H_ | |
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