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1 // Copyright 2015 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 COMPONENTS_HTML_VIEWER_IME_CONTROLLER_H_ | |
6 #define COMPONENTS_HTML_VIEWER_IME_CONTROLLER_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "third_party/WebKit/public/web/WebTextInputInfo.h" | |
10 | |
11 namespace blink { | |
12 class WebGestureEvent; | |
13 class WebWidget; | |
14 } | |
15 | |
16 namespace mus { | |
17 class Window; | |
18 } | |
19 | |
20 namespace html_viewer { | |
21 | |
22 // This class is used by HTMLWidgetRootLocal and HTMLWidgetLocalRoot for | |
23 // handling IME related stuff. | |
24 class ImeController { | |
25 public: | |
26 ImeController(mus::Window* window, blink::WebWidget* widget); | |
27 ~ImeController(); | |
28 | |
29 // Methods called by WebWidget overrides. | |
30 void ResetInputMethod(); | |
31 void DidHandleGestureEvent(const blink::WebGestureEvent& event, | |
32 bool event_cancelled); | |
33 void DidUpdateTextOfFocusedElementByNonUserInput(); | |
34 void ShowImeIfNeeded(); | |
35 | |
36 private: | |
37 // Update text input state from WebWidget to mus::Window. If the focused | |
38 // element is editable and |show_ime| is True, the software keyboard will be | |
39 // shown. | |
40 void UpdateTextInputState(bool show_ime); | |
41 | |
42 // Not owned objects. | |
43 mus::Window* window_; | |
44 blink::WebWidget* widget_; | |
45 | |
46 blink::WebTextInputInfo text_input_info_; | |
47 | |
48 DISALLOW_COPY_AND_ASSIGN(ImeController); | |
49 }; | |
50 | |
51 } // namespace html_viewer | |
52 | |
53 #endif // COMPONENTS_HTML_VIEWER_IME_CONTROLLER_H_ | |
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