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 13namespace pp { 14 15class Rect; 16class 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// }; 41class 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