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/* implements Android specific functions */
#include "dive.h"
#include "display.h"
#include <string.h>
#include <sys/types.h>
#include <dirent.h>
#include <fcntl.h>
#include <QtAndroidExtras/QtAndroidExtras>
#include <QtAndroidExtras/QAndroidJniObject>
#include <QtAndroid>
#define FTDI_VID 0x0403
#define USB_SERVICE "usb"
extern "C" {
const char android_system_divelist_default_font[] = "Roboto";
const char *system_divelist_default_font = android_system_divelist_default_font;
double system_divelist_default_font_size = 8.0;
void subsurface_OS_pref_setup(void)
{
// nothing
}
bool subsurface_ignore_font(const char *font)
{
// there are no old default fonts that we would want to ignore
return false;
}
void subsurface_user_info(struct user_info *user)
{ /* Encourage use of at least libgit2-0.20 */ }
const char *system_default_filename(void)
{
/* Replace this when QtCore/QStandardPaths getExternalStorageDirectory landed */
QAndroidJniObject externalStorage = QAndroidJniObject::callStaticObjectMethod("android/os/Environment", "getExternalStorageDirectory", "()Ljava/io/File;");
QAndroidJniObject externalStorageAbsolute = externalStorage.callObjectMethod("getAbsolutePath", "()Ljava/lang/String;");
QString system_default_filename = externalStorageAbsolute.toString() + "/subsurface.xml";
QAndroidJniEnvironment env;
if (env->ExceptionCheck()) {
// FIXME: Handle exception here.
env->ExceptionClear();
return strdup("/sdcard/subsurface.xml");
}
return strdup(system_default_filename.toUtf8().data());
}
int enumerate_devices(device_callback_t callback, void *userdata, int dc_type)
{
/* FIXME: we need to enumerate in some other way on android */
/* qtserialport maybee? */
return -1;
}
/**
* Get the file descriptor of first available ftdi device attached to usb in android.
* This is needed for dc_device_open on android.
*
* return
* -1 : No Usb Device is attached.
* -2 : No ftdi device found.
* -3 : No permission for using the device
* -4 : Error while opening the device.
* +ve num : Successfully extracted file descriptor is returned.
* */
int get_usb_fd()
{
int i;
jint fd, vendorid, productid;
QAndroidJniObject usbName, usbDevice;
// Get the current main activity of the application.
QAndroidJniObject activity = QtAndroid::androidActivity();
QAndroidJniObject usb_service = QAndroidJniObject::fromString(USB_SERVICE);
// Get UsbManager from activity
QAndroidJniObject usbManager = activity.callObjectMethod("getSystemService", "(Ljava/lang/String;)Ljava/lang/Object;", usb_service.object());
// Get a HashMap<Name, UsbDevice> of all USB devices attached to Android
QAndroidJniObject deviceMap = usbManager.callObjectMethod("getDeviceList", "()Ljava/util/HashMap;");
jint num_devices = deviceMap.callMethod<jint>("size", "()I");
if (num_devices == 0) {
// No USB device is attached.
return -1;
}
// Iterate over all the devices and find the first available FTDI device.
QAndroidJniObject keySet = deviceMap.callObjectMethod("keySet", "()Ljava/util/Set;");
QAndroidJniObject iterator = keySet.callObjectMethod("iterator", "()Ljava/util/Iterator;");
for (i = 0; i < num_devices; i++) {
usbName = iterator.callObjectMethod("next", "()Ljava/lang/Object;");
usbDevice = deviceMap.callObjectMethod ("get", "(Ljava/lang/Object;)Ljava/lang/Object;", usbName.object());
vendorid = usbDevice.callMethod<jint>("getVendorId", "()I");
productid = usbDevice.callMethod<jint>("getProductId", "()I");
if(vendorid == FTDI_VID) // Found a FTDI device. Break.
break;
}
if (i == num_devices) {
// No ftdi device found.
return -2;
}
jboolean hasPermission = usbManager.callMethod<jboolean>("hasPermission", "(Landroid/hardware/usb/UsbDevice;)Z", usbDevice.object());
if (!hasPermission) {
// You do not have permission to use the usbDevice.
// Please remove and reinsert the USB device.
// Could also give an dialogbox asking for permission.
return -3;
}
// An FTDI device is present and we also have permission to use the device.
// Open the device and get its file descriptor.
QAndroidJniObject usbDeviceConnection = usbManager.callObjectMethod("openDevice", "(Landroid/hardware/usb/UsbDevice;)Landroid/hardware/usb/UsbDeviceConnection;", usbDevice.object());
if (usbDeviceConnection.object() == NULL) {
// Some error occurred while opening the device. Exit.
return -4;
}
// Finally get the required file descriptor.
fd = usbDeviceConnection.callMethod<jint>("getFileDescriptor", "()I");
if (fd == -1) {
// The device is not opened. Some error.
return -4;
}
return fd;
}
/* NOP wrappers to comform with windows.c */
int subsurface_rename(const char *path, const char *newpath)
{
return rename(path, newpath);
}
int subsurface_open(const char *path, int oflags, mode_t mode)
{
return open(path, oflags, mode);
}
FILE *subsurface_fopen(const char *path, const char *mode)
{
return fopen(path, mode);
}
void *subsurface_opendir(const char *path)
{
return (void *)opendir(path);
}
int subsurface_access(const char *path, int mode)
{
return access(path, mode);
}
struct zip *subsurface_zip_open_readonly(const char *path, int flags, int *errorp)
{
return zip_open(path, flags, errorp);
}
int subsurface_zip_close(struct zip *zip)
{
return zip_close(zip);
}
/* win32 console */
void subsurface_console_init(bool dedicated)
{
/* NOP */
}
void subsurface_console_exit(void)
{
/* NOP */
}
}
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