15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/browser/chromeos/events/system_key_event_listener.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define XK_MISCELLANY 1 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <X11/keysymdef.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <X11/XF86keysym.h> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <X11/XKBlib.h> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#undef Status 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch#include "chromeos/ime/ime_keyboard.h" 14c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chromeos/ime/input_method_manager.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/x/x11_util.h" 16c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "ui/events/platform/platform_event_source.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace chromeos { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SystemKeyEventListener* g_system_key_event_listener = NULL; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemKeyEventListener::Initialize() { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(!g_system_key_event_listener); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_system_key_event_listener = new SystemKeyEventListener(); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemKeyEventListener::Shutdown() { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We may call Shutdown without calling Initialize, e.g. if we exit early. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (g_system_key_event_listener) { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete g_system_key_event_listener; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_system_key_event_listener = NULL; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SystemKeyEventListener* SystemKeyEventListener::GetInstance() { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_system_key_event_listener; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SystemKeyEventListener::SystemKeyEventListener() 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : stopped_(false), 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) xkb_event_base_(0) { 4768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) XDisplay* display = gfx::GetXDisplay(); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int xkb_major_version = XkbMajorVersion; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int xkb_minor_version = XkbMinorVersion; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!XkbQueryExtension(display, 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, // opcode_return 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &xkb_event_base_, 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, // error_return 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &xkb_major_version, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &xkb_minor_version)) { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Could not query Xkb extension"; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!XkbSelectEvents(display, XkbUseCoreKbd, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XkbStateNotifyMask, 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XkbStateNotifyMask)) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Could not install Xkb Indicator observer"; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ui::PlatformEventSource::GetInstance()->AddPlatformEventObserver(this); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SystemKeyEventListener::~SystemKeyEventListener() { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stop(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemKeyEventListener::Stop() { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (stopped_) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 75c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ui::PlatformEventSource::GetInstance()->RemovePlatformEventObserver(this); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stopped_ = true; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 79c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid SystemKeyEventListener::WillProcessEvent(const base::NativeEvent& event) { 80c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ProcessedXEvent(event); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SystemKeyEventListener::DidProcessEvent(const base::NativeEvent& event) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 86c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid SystemKeyEventListener::ProcessedXEvent(XEvent* xevent) { 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) input_method::InputMethodManager* input_method_manager = 88a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) input_method::InputMethodManager::Get(); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (xevent->type == xkb_event_base_) { 915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(yusukes): Move this part to aura::WindowTreeHost. 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XkbEvent* xkey_event = reinterpret_cast<XkbEvent*>(xevent); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (xkey_event->any.xkb_type == XkbStateNotify) { 94c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (xkey_event->state.mods) { 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(yusukes,adlr): Let the user know that num lock is unsupported. 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Force turning off Num Lock (crosbug.com/29169) 97a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch input_method_manager->GetImeKeyboard()->DisableNumLock(); 98c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace chromeos 104