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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 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 "chrome/browser/chromeos/accessibility/switch_access_event_handler.h" | 5 #include "chrome/browser/chromeos/accessibility/switch_access_event_handler.h" |
6 | 6 |
7 #include "ash/shell.h" | 7 #include "ash/shell.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h" | 9 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h" |
10 #include "chrome/browser/chromeos/accessibility/event_handler_common.h" | 10 #include "chrome/browser/chromeos/accessibility/event_handler_common.h" |
11 #include "chrome/common/extensions/extension_constants.h" | 11 #include "chrome/common/extensions/extension_constants.h" |
12 #include "extensions/browser/extension_host.h" | 12 #include "extensions/browser/extension_host.h" |
13 #include "ui/events/event.h" | 13 #include "ui/events/event.h" |
14 | 14 |
15 namespace chromeos { | 15 namespace chromeos { |
16 | 16 |
17 SwitchAccessEventHandler::SwitchAccessEventHandler() { | 17 SwitchAccessEventHandler::SwitchAccessEventHandler() { |
18 if (ash::Shell::HasInstance()) | 18 if (ash::Shell::HasInstance()) |
19 ash::Shell::Get()->AddPreTargetHandler(this); | 19 ash::Shell::Get()->AddPreTargetHandler(this); |
20 } | 20 } |
21 | 21 |
22 SwitchAccessEventHandler::~SwitchAccessEventHandler() { | 22 SwitchAccessEventHandler::~SwitchAccessEventHandler() { |
23 if (ash::Shell::HasInstance()) | 23 if (ash::Shell::HasInstance()) |
24 ash::Shell::Get()->RemovePreTargetHandler(this); | 24 ash::Shell::Get()->RemovePreTargetHandler(this); |
25 } | 25 } |
26 | 26 |
| 27 void SwitchAccessEventHandler::SetKeysToCapture( |
| 28 const std::set<int>& key_codes) { |
| 29 captured_keys_ = key_codes; |
| 30 } |
| 31 |
27 void SwitchAccessEventHandler::OnKeyEvent(ui::KeyEvent* event) { | 32 void SwitchAccessEventHandler::OnKeyEvent(ui::KeyEvent* event) { |
28 DCHECK(event); | 33 DCHECK(event); |
29 | 34 |
30 ui::KeyboardCode key_code = event->key_code(); | 35 ui::KeyboardCode key_code = event->key_code(); |
31 if (key_code == ui::VKEY_1 || key_code == ui::VKEY_2 || | 36 if (captured_keys_.find(key_code) != captured_keys_.end()) { |
32 key_code == ui::VKEY_3 || key_code == ui::VKEY_4 || | |
33 key_code == ui::VKEY_5 || key_code == ui::VKEY_6 || | |
34 key_code == ui::VKEY_7 || key_code == ui::VKEY_8 || | |
35 key_code == ui::VKEY_9) { | |
36 CancelEvent(event); | 37 CancelEvent(event); |
37 DispatchKeyEventToSwitchAccess(*event); | 38 DispatchKeyEventToSwitchAccess(*event); |
38 } | 39 } |
39 } | 40 } |
40 | 41 |
41 void SwitchAccessEventHandler::CancelEvent(ui::Event* event) { | 42 void SwitchAccessEventHandler::CancelEvent(ui::Event* event) { |
42 DCHECK(event); | 43 DCHECK(event); |
43 if (event->cancelable()) { | 44 if (event->cancelable()) { |
44 event->SetHandled(); | 45 event->SetHandled(); |
45 event->StopPropagation(); | 46 event->StopPropagation(); |
46 } | 47 } |
47 } | 48 } |
48 | 49 |
49 void SwitchAccessEventHandler::DispatchKeyEventToSwitchAccess( | 50 void SwitchAccessEventHandler::DispatchKeyEventToSwitchAccess( |
50 const ui::KeyEvent& event) { | 51 const ui::KeyEvent& event) { |
51 extensions::ExtensionHost* host = | 52 extensions::ExtensionHost* host = |
52 GetAccessibilityExtensionHost(extension_misc::kSwitchAccessExtensionId); | 53 GetAccessibilityExtensionHost(extension_misc::kSwitchAccessExtensionId); |
53 ForwardKeyToExtension(event, host); | 54 ForwardKeyToExtension(event, host); |
54 } | 55 } |
55 | 56 |
56 } // namespace chromeos | 57 } // namespace chromeos |
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