diff options
Diffstat (limited to 'Source/WebCore/platform/gtk/GamepadsGtk.cpp')
| -rw-r--r-- | Source/WebCore/platform/gtk/GamepadsGtk.cpp | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/Source/WebCore/platform/gtk/GamepadsGtk.cpp b/Source/WebCore/platform/gtk/GamepadsGtk.cpp deleted file mode 100644 index 37f84980b..000000000 --- a/Source/WebCore/platform/gtk/GamepadsGtk.cpp +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (C) 2012 Zan Dobersek <zandobersek@gmail.com> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - */ - -#include "config.h" -#include "Gamepads.h" - -#if ENABLE(GAMEPAD) - -#include "GamepadDeviceLinux.h" -#include "GamepadList.h" -#include "Logging.h" -#include <gio/gunixinputstream.h> -#include <gudev/gudev.h> -#include <wtf/HashMap.h> -#include <wtf/PassOwnPtr.h> -#include <wtf/gobject/GRefPtr.h> -#include <wtf/gobject/GUniquePtr.h> -#include <wtf/text/CString.h> -#include <wtf/text/StringHash.h> - -namespace WebCore { - -class GamepadDeviceGtk : public GamepadDeviceLinux { -public: - static PassOwnPtr<GamepadDeviceGtk> create(String deviceFile) - { - return adoptPtr(new GamepadDeviceGtk(deviceFile)); - } - ~GamepadDeviceGtk(); - -private: - GamepadDeviceGtk(String deviceFile); - - static gboolean readCallback(GObject* pollableStream, gpointer data); - GRefPtr<GInputStream> m_inputStream; - GRefPtr<GSource> m_source; -}; - -GamepadDeviceGtk::GamepadDeviceGtk(String deviceFile) - : GamepadDeviceLinux(deviceFile) -{ - if (m_fileDescriptor == -1) - return; - - m_inputStream = adoptGRef(g_unix_input_stream_new(m_fileDescriptor, FALSE)); - m_source = adoptGRef(g_pollable_input_stream_create_source(G_POLLABLE_INPUT_STREAM(m_inputStream.get()), 0)); - g_source_set_callback(m_source.get(), reinterpret_cast<GSourceFunc>(readCallback), this, 0); - g_source_attach(m_source.get(), 0); -} - -GamepadDeviceGtk::~GamepadDeviceGtk() -{ - if (m_source) - g_source_destroy(m_source.get()); -} - -gboolean GamepadDeviceGtk::readCallback(GObject* pollableStream, gpointer data) -{ - GamepadDeviceGtk* gamepadDevice = reinterpret_cast<GamepadDeviceGtk*>(data); - GUniqueOutPtr<GError> error; - struct js_event event; - - gssize len = g_pollable_input_stream_read_nonblocking(G_POLLABLE_INPUT_STREAM(pollableStream), - &event, sizeof(event), 0, &error.outPtr()); - - // FIXME: Properly log the error. - // In the case of G_IO_ERROR_WOULD_BLOCK error return TRUE to wait until - // the source becomes readable again and FALSE otherwise. - if (error) - return g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK); - - ASSERT_UNUSED(len, len == sizeof(event)); - gamepadDevice->updateForEvent(event); - return TRUE; -} - -class GamepadsGtk { -public: - GamepadsGtk(unsigned length); - - void registerDevice(String deviceFile); - void unregisterDevice(String deviceFile); - - void updateGamepadList(GamepadList*); - -private: - ~GamepadsGtk(); - static void onUEventCallback(GUdevClient*, gchar* action, GUdevDevice*, gpointer data); - static gboolean isGamepadDevice(GUdevDevice*); - - Vector<OwnPtr<GamepadDeviceGtk> > m_slots; - HashMap<String, GamepadDeviceGtk*> m_deviceMap; - - GRefPtr<GUdevClient> m_gudevClient; -}; - -GamepadsGtk::GamepadsGtk(unsigned length) - : m_slots(length) -{ - static const char* subsystems[] = { "input", 0 }; - m_gudevClient = adoptGRef(g_udev_client_new(subsystems)); - g_signal_connect(m_gudevClient.get(), "uevent", G_CALLBACK(onUEventCallback), this); - - GUniquePtr<GList> devicesList(g_udev_client_query_by_subsystem(m_gudevClient.get(), subsystems[0])); - for (GList* listItem = devicesList.get(); listItem; listItem = g_list_next(listItem)) { - GUdevDevice* device = G_UDEV_DEVICE(listItem->data); - String deviceFile = String::fromUTF8(g_udev_device_get_device_file(device)); - if (isGamepadDevice(device)) - registerDevice(deviceFile); - g_object_unref(device); - } -} - -GamepadsGtk::~GamepadsGtk() -{ - g_signal_handlers_disconnect_matched(m_gudevClient.get(), G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, this); -} - -void GamepadsGtk::registerDevice(String deviceFile) -{ - LOG(Gamepad, "GamepadsGtk::registerDevice %s", deviceFile.ascii().data()); - ASSERT(!m_deviceMap.contains(deviceFile)); - - for (unsigned index = 0; index < m_slots.size(); index++) { - if (!m_slots[index]) { - m_slots[index] = GamepadDeviceGtk::create(deviceFile); - m_deviceMap.add(deviceFile, m_slots[index].get()); - break; - } - } -} - -void GamepadsGtk::unregisterDevice(String deviceFile) -{ - LOG(Gamepad, "GamepadsGtk::unregisterDevice %s", deviceFile.ascii().data()); - ASSERT(m_deviceMap.contains(deviceFile)); - - GamepadDeviceGtk* gamepadDevice = m_deviceMap.take(deviceFile); - size_t index = m_slots.find(gamepadDevice); - ASSERT(index != notFound); - - m_slots[index].clear(); -} - -void GamepadsGtk::updateGamepadList(GamepadList* into) -{ - ASSERT(m_slots.size() == into->length()); - - for (unsigned i = 0; i < m_slots.size(); i++) { - if (m_slots[i].get() && m_slots[i]->connected()) { - GamepadDeviceGtk* gamepadDevice = m_slots[i].get(); - RefPtr<Gamepad> gamepad = into->item(i); - if (!gamepad) - gamepad = Gamepad::create(); - - gamepad->index(i); - gamepad->id(gamepadDevice->id()); - gamepad->timestamp(gamepadDevice->timestamp()); - gamepad->axes(gamepadDevice->axesCount(), gamepadDevice->axesData()); - gamepad->buttons(gamepadDevice->buttonsCount(), gamepadDevice->buttonsData()); - - into->set(i, gamepad); - } else - into->set(i, 0); - } -} - -void GamepadsGtk::onUEventCallback(GUdevClient* udevClient, gchar* action, GUdevDevice* device, gpointer data) -{ - if (!isGamepadDevice(device)) - return; - - GamepadsGtk* gamepadsGtk = reinterpret_cast<GamepadsGtk*>(data); - String deviceFile = String::fromUTF8(g_udev_device_get_device_file(device)); - - if (!g_strcmp0(action, "add")) - gamepadsGtk->registerDevice(deviceFile); - else if (!g_strcmp0(action, "remove")) - gamepadsGtk->unregisterDevice(deviceFile); -} - -gboolean GamepadsGtk::isGamepadDevice(GUdevDevice* device) -{ - const gchar* deviceFile = g_udev_device_get_device_file(device); - const gchar* sysfsPath = g_udev_device_get_sysfs_path(device); - if (!deviceFile || !sysfsPath) - return FALSE; - - if (!g_udev_device_has_property(device, "ID_INPUT") || !g_udev_device_has_property(device, "ID_INPUT_JOYSTICK")) - return FALSE; - - return g_str_has_prefix(deviceFile, "/dev/input/js"); -} - -void sampleGamepads(GamepadList* into) -{ - DEFINE_STATIC_LOCAL(GamepadsGtk, gamepadsGtk, (into->length())); - gamepadsGtk.updateGamepadList(into); -} - -} // namespace WebCore - -#endif // ENABLE(GAMEPAD) |