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Side by Side Diff: chrome/browser/ui/input_method/input_method_engine.h

Issue 1771173002: Implement input.ime.sendKeyEvents API. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Added Windows-specific implementation. Created 4 years, 9 months ago
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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 content { 15 namespace content {
16 class RenderFrameHost; 16 class RenderFrameHost;
17 } // namespace content 17 } // namespace content
18 18
19 namespace input_method { 19 namespace input_method {
20 20
21 class InputMethodEngine : public InputMethodEngineBase, 21 class InputMethodEngine : public InputMethodEngineBase,
22 public ui::ImeWindowObserver { 22 public ui::ImeWindowObserver {
23 public: 23 public:
24 InputMethodEngine(); 24 InputMethodEngine();
25 25
26 ~InputMethodEngine() override; 26 ~InputMethodEngine() override;
27 27
28 // ui::IMEEngineHandlerInterface: 28 // ui::IMEEngineHandlerInterface:
29 bool SendKeyEvents(int context_id,
30 const std::vector<KeyboardEvent>& events) override;
31 bool IsActive() const override; 29 bool IsActive() const override;
32 std::string GetExtensionId() const override; 30 std::string GetExtensionId() const override;
33 31
34 // Creates and shows the IME window. 32 // Creates and shows the IME window.
35 // Returns 0 for errors and |error| will contains the error message. 33 // Returns 0 for errors and |error| will contains the error message.
36 int CreateImeWindow(const extensions::Extension* extension, 34 int CreateImeWindow(const extensions::Extension* extension,
37 content::RenderFrameHost* render_frame_host, 35 content::RenderFrameHost* render_frame_host,
38 const std::string& url, 36 const std::string& url,
39 ui::ImeWindow::Mode mode, 37 ui::ImeWindow::Mode mode,
40 const gfx::Rect& bounds, 38 const gfx::Rect& bounds,
41 std::string* error); 39 std::string* error);
42 40
43 void CloseImeWindows(); 41 void CloseImeWindows();
44 42
45 private: 43 private:
46 // input_method::InputMethodEngineBase: 44 // input_method::InputMethodEngineBase:
47 void FocusIn(const ui::IMEEngineHandlerInterface::InputContext& input_context) 45 void FocusIn(const ui::IMEEngineHandlerInterface::InputContext& input_context)
48 override; 46 override;
49 void FocusOut() override; 47 void FocusOut() override;
50 void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override; 48 void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override;
51 void UpdateComposition(const ui::CompositionText& composition_text, 49 void UpdateComposition(const ui::CompositionText& composition_text,
52 uint32_t cursor_pos, 50 uint32_t cursor_pos,
53 bool is_visible) override; 51 bool is_visible) override;
54 void CommitTextToInputContext(int context_id, 52 void CommitTextToInputContext(int context_id,
55 const std::string& text) override; 53 const std::string& text) override;
54 bool SendKeyEvent(ui::KeyEvent* ui_event) override;
56 55
57 // ui::ImeWindowObserver: 56 // ui::ImeWindowObserver:
58 void OnWindowDestroyed(ui::ImeWindow* ime_window) override; 57 void OnWindowDestroyed(ui::ImeWindow* ime_window) override;
59 58
60 // Holds the IME window instances for properly closing in the destructor. 59 // Holds the IME window instances for properly closing in the destructor.
61 // The follow-cursor window is singleton. 60 // The follow-cursor window is singleton.
62 // The normal windows cannot exceed the max count. 61 // The normal windows cannot exceed the max count.
63 ui::ImeWindow* follow_cursor_window_; // Weak. 62 ui::ImeWindow* follow_cursor_window_; // Weak.
64 std::vector<ui::ImeWindow*> normal_windows_; // Weak. 63 std::vector<ui::ImeWindow*> normal_windows_; // Weak.
65 64
66 // Tracks the current cursor bounds so that the new follow cursor window can 65 // Tracks the current cursor bounds so that the new follow cursor window can
67 // be aligned with cursor once it being created. 66 // be aligned with cursor once it being created.
68 gfx::Rect current_cursor_bounds_; 67 gfx::Rect current_cursor_bounds_;
69 68
70 DISALLOW_COPY_AND_ASSIGN(InputMethodEngine); 69 DISALLOW_COPY_AND_ASSIGN(InputMethodEngine);
71 }; 70 };
72 71
73 } // namespace input_method 72 } // namespace input_method
74 73
75 #endif // CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_ 74 #endif // CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
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