1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
#define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
#include <map>
#include <string>
#include <vector>
#include "base/time/time.h"
#include "chrome/browser/chromeos/input_method/input_method_engine_interface.h"
#include "ui/base/ime/chromeos/input_method_descriptor.h"
#include "url/gurl.h"
class Profile;
namespace ui {
class CandidateWindow;
class KeyEvent;
namespace ime {
struct InputMethodMenuItem;
} // namespace ime
} // namespace ui
namespace chromeos {
class CompositionText;
namespace input_method {
struct KeyEventHandle;
} // namespace input_method
class InputMethodEngine : public InputMethodEngineInterface {
public:
InputMethodEngine();
virtual ~InputMethodEngine();
void Initialize(scoped_ptr<InputMethodEngineInterface::Observer> observer,
const char* extension_id);
// InputMethodEngineInterface overrides.
virtual const std::string& GetActiveComponentId() const override;
virtual bool SetComposition(int context_id,
const char* text,
int selection_start,
int selection_end,
int cursor,
const std::vector<SegmentInfo>& segments,
std::string* error) override;
virtual bool ClearComposition(int context_id, std::string* error) override;
virtual bool CommitText(int context_id, const char* text,
std::string* error) override;
virtual bool SendKeyEvents(int context_id,
const std::vector<KeyboardEvent>& events) override;
virtual const CandidateWindowProperty&
GetCandidateWindowProperty() const override;
virtual void SetCandidateWindowProperty(
const CandidateWindowProperty& property) override;
virtual bool SetCandidateWindowVisible(bool visible,
std::string* error) override;
virtual bool SetCandidates(int context_id,
const std::vector<Candidate>& candidates,
std::string* error) override;
virtual bool SetCursorPosition(int context_id, int candidate_id,
std::string* error) override;
virtual bool SetMenuItems(const std::vector<MenuItem>& items) override;
virtual bool UpdateMenuItems(const std::vector<MenuItem>& items) override;
virtual bool IsActive() const override;
virtual bool DeleteSurroundingText(int context_id,
int offset,
size_t number_of_chars,
std::string* error) override;
// IMEEngineHandlerInterface overrides.
virtual void FocusIn(
const IMEEngineHandlerInterface::InputContext& input_context) override;
virtual void FocusOut() override;
virtual void Enable(const std::string& component_id) override;
virtual void Disable() override;
virtual void PropertyActivate(const std::string& property_name) override;
virtual void Reset() override;
virtual void ProcessKeyEvent(const ui::KeyEvent& key_event,
const KeyEventDoneCallback& callback) override;
virtual void CandidateClicked(uint32 index) override;
virtual void SetSurroundingText(const std::string& text, uint32 cursor_pos,
uint32 anchor_pos) override;
virtual void HideInputView() override;
virtual void SetCompositionBounds(const gfx::Rect& bounds) override;
int GetCotextIdForTesting() { return context_id_; }
private:
// Converts MenuItem to InputMethodMenuItem.
void MenuItemToProperty(const MenuItem& item,
ui::ime::InputMethodMenuItem* property);
// Enables overriding input view page to Virtual Keyboard window.
void EnableInputView();
ui::TextInputType current_input_type_;
// ID that is used for the current input context. False if there is no focus.
int context_id_;
// Next id that will be assigned to a context.
int next_context_id_;
// The input_component ID in IME extension's manifest.
std::string active_component_id_;
// The IME extension ID.
std::string extension_id_;
// The observer object recieving events for this IME.
scoped_ptr<InputMethodEngineInterface::Observer> observer_;
// The current preedit text, and it's cursor position.
scoped_ptr<CompositionText> composition_text_;
int composition_cursor_;
// The current candidate window.
scoped_ptr<ui::CandidateWindow> candidate_window_;
// The current candidate window property.
CandidateWindowProperty candidate_window_property_;
// Indicates whether the candidate window is visible.
bool window_visible_;
// Mapping of candidate index to candidate id.
std::vector<int> candidate_ids_;
// Mapping of candidate id to index.
std::map<int, int> candidate_indexes_;
// Used with SendKeyEvents and ProcessKeyEvent to check if the key event
// sent to ProcessKeyEvent is sent by SendKeyEvents.
const ui::KeyEvent* sent_key_event_;
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
|
