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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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