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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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" | |
11 | |
12 using content::NativeWebKeyboardEvent; | |
13 | 8 |
14 namespace views { | 9 namespace views { |
15 | 10 |
16 UnhandledKeyboardEventHandler::UnhandledKeyboardEventHandler() { | 11 // static |
17 ignore_next_char_event_ = false; | 12 void UnhandledKeyboardEventHandler::HandleNativeKeyboardEvent( |
18 } | 13 gfx::NativeEvent event, |
19 | |
20 void UnhandledKeyboardEventHandler::HandleKeyboardEvent( | |
21 const NativeWebKeyboardEvent& event, | |
22 FocusManager* focus_manager) { | 14 FocusManager* focus_manager) { |
23 if (!focus_manager) { | |
24 NOTREACHED(); | |
25 return; | |
26 } | |
27 // Previous calls to TranslateMessage can generate Char events as well as | |
28 // RawKeyDown events, even if the latter triggered an accelerator. In these | |
29 // cases, we discard the Char events. | |
30 if (event.type == blink::WebInputEvent::Char && ignore_next_char_event_) { | |
31 ignore_next_char_event_ = false; | |
32 return; | |
33 } | |
34 // It's necessary to reset this flag, because a RawKeyDown event may not | |
35 // always generate a Char event. | |
36 ignore_next_char_event_ = false; | |
37 | |
38 if (event.type == blink::WebInputEvent::RawKeyDown) { | |
39 ui::Accelerator accelerator( | |
40 static_cast<ui::KeyboardCode>(event.windowsKeyCode), | |
41 content::GetModifiersFromNativeWebKeyboardEvent(event)); | |
42 | |
43 // This is tricky: we want to set ignore_next_char_event_ if | |
44 // ProcessAccelerator returns true. But ProcessAccelerator might delete | |
45 // |this| if the accelerator is a "close tab" one. So we speculatively | |
46 // set the flag and fix it if no event was handled. | |
47 ignore_next_char_event_ = true; | |
48 | |
49 if (focus_manager->ProcessAccelerator(accelerator)) { | |
50 return; | |
51 } | |
52 | |
53 // ProcessAccelerator didn't handle the accelerator, so we know both | |
54 // that |this| is still valid, and that we didn't want to set the flag. | |
55 ignore_next_char_event_ = false; | |
56 } | |
57 | |
58 // Any unhandled keyboard/character messages should be defproced. | 15 // Any unhandled keyboard/character messages should be defproced. |
59 // This allows stuff like F10, etc to work correctly. | 16 // This allows stuff like F10, etc to work correctly. |
60 if (!event.os_event) | 17 const MSG& message(event->native_event()); |
61 return; | |
62 const MSG& message(event.os_event->native_event()); | |
63 DefWindowProc(message.hwnd, message.message, message.wParam, message.lParam); | 18 DefWindowProc(message.hwnd, message.message, message.wParam, message.lParam); |
64 } | 19 } |
65 | 20 |
66 } // namespace views | 21 } // namespace views |
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