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_CPP_DEV_TEXT_INPUT_DEV_H_ 6 #define PPAPI_CPP_DEV_TEXT_INPUT_DEV_H_ 7 8 #include <string> 9 10 #include "ppapi/c/dev/ppb_text_input_dev.h" 11 #include "ppapi/cpp/instance_handle.h" 12 13 namespace pp { 14 15 class Rect; 16 class Instance; 17 18 // This class allows you to associate the PPP_TextInput_Dev and 19 // PPB_TextInput_Dev C-based interfaces with an object. It associates itself 20 // with the given instance, and registers as the global handler for handling the 21 // PPP_TextInput_Dev interface that the browser calls. 22 // 23 // You would typically use this either via inheritance on your instance: 24 // class MyInstance : public pp::Instance, public pp::TextInput_Dev { 25 // MyInstance() : pp::TextInput_Dev(this) { 26 // } 27 // ... 28 // }; 29 // 30 // or by composition: 31 // class MyTextInput : public pp::TextInput_Dev { 32 // ... 33 // }; 34 // 35 // class MyInstance : public pp::Instance { 36 // MyInstance() : text_input_(this) { 37 // } 38 // 39 // MyTextInput text_input_; 40 // }; 41 class TextInput_Dev { 42 public: 43 explicit TextInput_Dev(Instance* instance); 44 virtual ~TextInput_Dev(); 45 46 virtual void RequestSurroundingText(uint32_t desired_number_of_characters); 47 48 void SetTextInputType(PP_TextInput_Type_Dev type); 49 void UpdateCaretPosition(const Rect& caret, const Rect& bounding_box); 50 void CancelCompositionText(); 51 void SelectionChanged(); 52 void UpdateSurroundingText(const std::string& text, 53 uint32_t caret, uint32_t anchor); 54 55 private: 56 InstanceHandle instance_; 57 }; 58 59 } // namespace pp 60 61 #endif // PPAPI_CPP_DEV_TEXT_INPUT_DEV_H_ 62
