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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 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_ | |
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