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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "remoting/client/plugin/normalizing_input_filter_mac.h" | |
| 6 | |
| 7 #include <map> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "remoting/proto/event.pb.h" | |
| 12 #include "remoting/protocol/usb_key_codes.h" | |
| 13 | |
| 14 namespace remoting { | |
| 15 | |
| 16 NormalizingInputFilterMac::NormalizingInputFilterMac( | |
| 17 protocol::InputStub* input_stub) | |
| 18 : protocol::InputFilter(input_stub) { | |
| 19 } | |
| 20 | |
| 21 NormalizingInputFilterMac::~NormalizingInputFilterMac() {} | |
| 22 | |
| 23 void NormalizingInputFilterMac::InjectKeyEvent(const protocol::KeyEvent& event) | |
| 24 { | |
| 25 DCHECK(event.has_usb_keycode()); | |
| 26 | |
| 27 bool is_special_key = event.usb_keycode() == kUsbLeftControl || | |
| 28 event.usb_keycode() == kUsbLeftShift || | |
| 29 event.usb_keycode() == kUsbLeftAlt || | |
| 30 event.usb_keycode() == kUsbRightControl || | |
| 31 event.usb_keycode() == kUsbRightShift || | |
| 32 event.usb_keycode() == kUsbRightAlt || | |
| 33 event.usb_keycode() == kUsbTab; | |
| 34 | |
| 35 bool is_cmd_key = event.usb_keycode() == kUsbLeftOs || | |
| 36 event.usb_keycode() == kUsbRightOs; | |
| 37 | |
| 38 if (event.usb_keycode() == kUsbCapsLock) { | |
| 39 // Mac OS X generates keydown/keyup on lock-state transitions, rather than | |
| 40 // when the key is pressed & released, so fake keydown/keyup on each event. | |
| 41 protocol::KeyEvent newEvent(event); | |
| 42 | |
| 43 newEvent.set_pressed(true); | |
| 44 InputFilter::InjectKeyEvent(newEvent); | |
| 45 newEvent.set_pressed(false); | |
| 46 InputFilter::InjectKeyEvent(newEvent); | |
| 47 | |
| 48 return; | |
| 49 } else if (!is_cmd_key && !is_special_key) { | |
| 50 // Track keydown/keyup events for non-modifiers, so we can release them if | |
| 51 // necessary (see below). | |
| 52 if (event.pressed()) { | |
| 53 key_pressed_map_[event.usb_keycode()] = event; | |
| 54 } else { | |
| 55 key_pressed_map_.erase(event.usb_keycode()); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 if (is_cmd_key && !event.pressed()) { | |
| 60 // Mac OS X will not generate release events for keys pressed while Cmd is | |
| 61 // pressed, so release all pressed keys when Cmd is released. | |
| 62 GenerateKeyupEvents(); | |
| 63 } | |
| 64 | |
| 65 InputFilter::InjectKeyEvent(event); | |
| 66 } | |
| 67 | |
| 68 void NormalizingInputFilterMac::GenerateKeyupEvents() { | |
| 69 for (KeyPressedMap::iterator i = key_pressed_map_.begin(); | |
| 70 i != key_pressed_map_.end(); ++i) { | |
| 71 // The generated key up event will have the same key code and lock states | |
| 72 // as the original key down event. | |
| 73 protocol::KeyEvent event = i->second; | |
| 74 event.set_pressed(false); | |
| 75 InputFilter::InjectKeyEvent(event); | |
| 76 } | |
| 77 | |
| 78 // Clearing the map now that we have released all the pressed keys. | |
| 79 key_pressed_map_.clear(); | |
| 80 } | |
| 81 | |
| 82 } // namespace remoting | |
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Chromium Code Reviews
Issue 1228333004:
Move code that doesn't depend on PPAPI out of remoting/client/plugin (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master