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authorCharles Kerr <charles.kerr@canonical.com>2016-03-21 13:40:11 -0500
committerCharles Kerr <charles.kerr@canonical.com>2016-03-21 13:40:11 -0500
commit7a25132c125f6e5e413ad26ea950ae22bee982f5 (patch)
tree1870caed0aec4960053bd9e5125574dbcb48b08c /src/usb-monitor.cpp
parent45709c48f34e0909c1309dccac1dd3e047f518fb (diff)
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if our USB device is disconnected while prompting the user for ADBD, cancel the prompt.
Diffstat (limited to 'src/usb-monitor.cpp')
-rw-r--r--src/usb-monitor.cpp81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/usb-monitor.cpp b/src/usb-monitor.cpp
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+/*
+ * Copyright 2016 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ * Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#include <src/usb-monitor.h>
+
+#include <glib.h>
+#include <gudev/gudev.h>
+
+class GUDevUsbMonitor::Impl
+{
+public:
+
+ Impl()
+ {
+ const char* subsystems[] = {"android_usb", nullptr};
+ m_udev_client = g_udev_client_new(subsystems);
+ g_signal_connect(m_udev_client, "uevent", G_CALLBACK(on_android_usb_event), this);
+ }
+
+ ~Impl()
+ {
+ g_signal_handlers_disconnect_by_data(m_udev_client, this);
+ g_clear_object(&m_udev_client);
+ }
+
+ core::Signal<const std::string&>& on_usb_disconnected()
+ {
+ return m_on_usb_disconnected;
+ }
+
+private:
+
+ static void on_android_usb_event(GUdevClient*, gchar* action, GUdevDevice* device, gpointer gself)
+ {
+ if (!g_strcmp0(action, "change"))
+ if (!g_strcmp0(g_udev_device_get_property(device, "USB_STATE"), "DISCONNECTED"))
+ static_cast<Impl*>(gself)->m_on_usb_disconnected(g_udev_device_get_name(device));
+ }
+
+ core::Signal<const std::string&> m_on_usb_disconnected;
+
+ GUdevClient* m_udev_client = nullptr;
+};
+
+/***
+****
+***/
+
+UsbMonitor::UsbMonitor() =default;
+
+UsbMonitor::~UsbMonitor() =default;
+
+GUDevUsbMonitor::GUDevUsbMonitor():
+ impl{new Impl{}}
+{
+}
+
+GUDevUsbMonitor::~GUDevUsbMonitor() =default;
+
+core::Signal<const std::string&>&
+GUDevUsbMonitor::on_usb_disconnected()
+{
+ return impl->on_usb_disconnected();
+}
+