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Issue 679743002: MacViews: UnhandledKeyboardEventHandler stub (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 1 month ago
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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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