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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ | 5 #ifndef CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ |
| 6 #define CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ | 6 #define CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "chrome/browser/ui/ime/ime_window.h" | 11 #include "chrome/browser/ui/ime/ime_window.h" |
| 12 #include "chrome/browser/ui/ime/ime_window_observer.h" | 12 #include "chrome/browser/ui/ime/ime_window_observer.h" |
| 13 #include "chrome/browser/ui/input_method/input_method_engine_base.h" | 13 #include "chrome/browser/ui/input_method/input_method_engine_base.h" |
| 14 | 14 |
| 15 namespace input_method { | 15 namespace input_method { |
| 16 | 16 |
| 17 class InputMethodEngine : public InputMethodEngineBase, | 17 class InputMethodEngine : public InputMethodEngineBase, |
| 18 public ui::ImeWindowObserver { | 18 public ui::ImeWindowObserver { |
| 19 public: | 19 public: |
| 20 InputMethodEngine(); | 20 InputMethodEngine(); |
| 21 | 21 |
| 22 ~InputMethodEngine() override; | 22 ~InputMethodEngine() override; |
| 23 | 23 |
| 24 // ui::IMEEngineHandlerInterface: | 24 // ui::IMEEngineHandlerInterface: |
| 25 bool SendKeyEvents(int context_id, | |
| 26 const std::vector<KeyboardEvent>& events) override; | |
| 27 bool IsActive() const override; | 25 bool IsActive() const override; |
| 28 std::string GetExtensionId() const override; | 26 std::string GetExtensionId() const override; |
| 29 | 27 |
| 30 // Creates and shows the IME window. | 28 // Creates and shows the IME window. |
| 31 // Returns 0 for errors and |error| will contains the error message. | 29 // Returns 0 for errors and |error| will contains the error message. |
| 32 int CreateImeWindow(const extensions::Extension* extension, | 30 int CreateImeWindow(const extensions::Extension* extension, |
| 33 const std::string& url, | 31 const std::string& url, |
| 34 ui::ImeWindow::Mode mode, | 32 ui::ImeWindow::Mode mode, |
| 35 const gfx::Rect& bounds, | 33 const gfx::Rect& bounds, |
| 36 std::string* error); | 34 std::string* error); |
| 37 | 35 |
| 38 void CloseImeWindows(); | 36 void CloseImeWindows(); |
| 39 | 37 |
| 40 private: | 38 private: |
| 41 // input_method::InputMethodEngineBase: | 39 // input_method::InputMethodEngineBase: |
| 42 void FocusIn(const ui::IMEEngineHandlerInterface::InputContext& input_context) | 40 void FocusIn(const ui::IMEEngineHandlerInterface::InputContext& input_context) |
| 43 override; | 41 override; |
| 44 void FocusOut() override; | 42 void FocusOut() override; |
| 45 void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override; | 43 void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override; |
| 46 void UpdateComposition(const ui::CompositionText& composition_text, | 44 void UpdateComposition(const ui::CompositionText& composition_text, |
| 47 uint32_t cursor_pos, | 45 uint32_t cursor_pos, |
| 48 bool is_visible) override; | 46 bool is_visible) override; |
| 49 void CommitTextToInputContext(int context_id, | 47 void CommitTextToInputContext(int context_id, |
| 50 const std::string& text) override; | 48 const std::string& text) override; |
| 49 bool SendKeyEvent(ui::KeyEvent* ui_event) override; |
| 51 | 50 |
| 52 // ui::ImeWindowObserver: | 51 // ui::ImeWindowObserver: |
| 53 void OnWindowDestroyed(ui::ImeWindow* ime_window) override; | 52 void OnWindowDestroyed(ui::ImeWindow* ime_window) override; |
| 54 | 53 |
| 55 // Holds the IME window instances for properly closing in the destructor. | 54 // Holds the IME window instances for properly closing in the destructor. |
| 56 // The follow-cursor window is singleton. | 55 // The follow-cursor window is singleton. |
| 57 // The normal windows cannot exceed the max count. | 56 // The normal windows cannot exceed the max count. |
| 58 ui::ImeWindow* follow_cursor_window_; // Weak. | 57 ui::ImeWindow* follow_cursor_window_; // Weak. |
| 59 std::vector<ui::ImeWindow*> normal_windows_; // Weak. | 58 std::vector<ui::ImeWindow*> normal_windows_; // Weak. |
| 60 | 59 |
| 61 // Tracks the current cursor bounds so that the new follow cursor window can | 60 // Tracks the current cursor bounds so that the new follow cursor window can |
| 62 // be aligned with cursor once it being created. | 61 // be aligned with cursor once it being created. |
| 63 gfx::Rect current_cursor_bounds_; | 62 gfx::Rect current_cursor_bounds_; |
| 64 | 63 |
| 65 DISALLOW_COPY_AND_ASSIGN(InputMethodEngine); | 64 DISALLOW_COPY_AND_ASSIGN(InputMethodEngine); |
| 66 }; | 65 }; |
| 67 | 66 |
| 68 } // namespace input_method | 67 } // namespace input_method |
| 69 | 68 |
| 70 #endif // CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ | 69 #endif // CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ |
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