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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h" | 5 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h" |
6 | 6 |
7 #include "base/logging.h" | |
8 #include "content/public/browser/native_web_keyboard_event.h" | |
9 #include "ui/events/event.h" | 7 #include "ui/events/event.h" |
10 #include "ui/views/focus/focus_manager.h" | 8 #include "ui/views/focus/focus_manager.h" |
11 | 9 |
12 using content::NativeWebKeyboardEvent; | |
13 | |
14 namespace views { | 10 namespace views { |
15 | 11 |
16 UnhandledKeyboardEventHandler::UnhandledKeyboardEventHandler() | 12 // static |
17 : ignore_next_char_event_(false) { | 13 void UnhandledKeyboardEventHandler::HandleNativeKeyboardEvent( |
18 } | 14 gfx::NativeEvent event, |
19 | |
20 void UnhandledKeyboardEventHandler::HandleKeyboardEvent( | |
21 const NativeWebKeyboardEvent& event, | |
22 FocusManager* focus_manager) { | 15 FocusManager* focus_manager) { |
23 if (!focus_manager) { | 16 focus_manager->OnKeyEvent(*static_cast<ui::KeyEvent*>(event)); |
24 NOTREACHED(); | |
25 return; | |
26 } | |
27 | |
28 // Previous calls to TranslateMessage can generate Char events as well as | |
29 // RawKeyDown events, even if the latter triggered an accelerator. In these | |
30 // cases, we discard the Char events. | |
31 if (event.type == blink::WebInputEvent::Char && ignore_next_char_event_) { | |
32 ignore_next_char_event_ = false; | |
33 return; | |
34 } | |
35 // It's necessary to reset this flag, because a RawKeyDown event may not | |
36 // always generate a Char event. | |
37 ignore_next_char_event_ = false; | |
38 | |
39 if (event.type == blink::WebInputEvent::RawKeyDown) { | |
40 ui::Accelerator accelerator( | |
41 static_cast<ui::KeyboardCode>(event.windowsKeyCode), | |
42 content::GetModifiersFromNativeWebKeyboardEvent(event)); | |
43 | |
44 // This is tricky: we want to set ignore_next_char_event_ if | |
45 // ProcessAccelerator returns true. But ProcessAccelerator might delete | |
46 // |this| if the accelerator is a "close tab" one. So we speculatively | |
47 // set the flag and fix it if no event was handled. | |
48 ignore_next_char_event_ = true; | |
49 | |
50 if (focus_manager->ProcessAccelerator(accelerator)) { | |
51 return; | |
52 } | |
53 | |
54 // ProcessAccelerator didn't handle the accelerator, so we know both | |
55 // that |this| is still valid, and that we didn't want to set the flag. | |
56 ignore_next_char_event_ = false; | |
57 } | |
58 | |
59 if (event.os_event && !event.skip_in_browser) | |
60 focus_manager->OnKeyEvent(*static_cast<ui::KeyEvent*>(event.os_event)); | |
61 } | 17 } |
62 | 18 |
63 } // namespace views | 19 } // namespace views |
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