/* [implicit_jscontext] jsval getListOfCameras (); */
NS_IMETHODIMP
nsDOMCameraManager::GetListOfCameras(JSContext* cx, JS::Value* _retval)
{
JSObject* a = JS_NewArrayObject(cx, 0, nullptr);
camera_module_t* module;
uint32_t index = 0;
uint32_t count;
if (!a) {
DOM_CAMERA_LOGE("getListOfCameras : Could not create array object");
return NS_ERROR_OUT_OF_MEMORY;
}
if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, (const hw_module_t**)&module) < 0) {
DOM_CAMERA_LOGE("getListOfCameras : Could not load camera HAL module");
return NS_ERROR_NOT_AVAILABLE;
}
count = module->get_number_of_cameras();
DOM_CAMERA_LOGI("getListOfCameras : get_number_of_cameras() returned %d\n", count);
while (count--) {
struct camera_info info;
int rv = module->get_camera_info(count, &info);
if (rv != 0) {
DOM_CAMERA_LOGE("getListOfCameras : get_camera_info(%d) failed: %d\n", count, rv);
continue;
}
JSString* v;
jsval jv;
switch (info.facing) {
case CAMERA_FACING_BACK:
v = JS_NewStringCopyZ(cx, "back");
index = 0;
break;
case CAMERA_FACING_FRONT:
v = JS_NewStringCopyZ(cx, "front");
index = 1;
break;
default:
// TODO: see bug 779143.
{
static uint32_t extraIndex = 2;
nsCString s;
s.AppendPrintf("extra-camera-%d", count);
v = JS_NewStringCopyZ(cx, s.get());
index = extraIndex++;
}
break;
}
if (!v) {
DOM_CAMERA_LOGE("getListOfCameras : out of memory populating camera list");
return NS_ERROR_NOT_AVAILABLE;
}
jv = STRING_TO_JSVAL(v);
if (!JS_SetElement(cx, a, index, &jv)) {
DOM_CAMERA_LOGE("getListOfCameras : failed building list of cameras");
return NS_ERROR_NOT_AVAILABLE;
}
}
*_retval = OBJECT_TO_JSVAL(a);
return NS_OK;
}
static nsresult
getHelper(nsCameraControl *aCameraControl, PRUint32 aKey, JSContext *cx, JS::Value *aValue)
{
nsAutoArrayPtr<nsCameraControl::CameraRegion> regions;
PRUint32 length = 0;
aCameraControl->GetParameter(aKey, getter_Transfers(regions), &length);
if (!regions && length > 0) {
DOM_CAMERA_LOGE("%s:%d : got length %d, but no regions\n", __func__, __LINE__, length);
return NS_ERROR_UNEXPECTED;
}
JSObject *array = JS_NewArrayObject(cx, 0, nsnull);
if (!array) {
return NS_ERROR_OUT_OF_MEMORY;
}
DOM_CAMERA_LOGI("%s:%d : got %d regions\n", __func__, __LINE__, length);
for (PRUint32 i = 0; i < length; ++i) {
JS::Value v;
JSObject *o = JS_NewObject(cx, nsnull, nsnull, nsnull);
if (!o) {
return NS_ERROR_OUT_OF_MEMORY;
}
DOM_CAMERA_LOGI("mLeft=%d\n", regions[i].mTop);
v = INT_TO_JSVAL(regions[i].mTop);
if (!JS_SetProperty(cx, o, "top", &v)) {
return NS_ERROR_FAILURE;
}
DOM_CAMERA_LOGI("mLeft=%d\n", regions[i].mLeft);
v = INT_TO_JSVAL(regions[i].mLeft);
if (!JS_SetProperty(cx, o, "left", &v)) {
return NS_ERROR_FAILURE;
}
DOM_CAMERA_LOGI("mBottom=%d\n", regions[i].mBottom);
v = INT_TO_JSVAL(regions[i].mBottom);
if (!JS_SetProperty(cx, o, "bottom", &v)) {
return NS_ERROR_FAILURE;
}
DOM_CAMERA_LOGI("mRight=%d\n", regions[i].mRight);
v = INT_TO_JSVAL(regions[i].mRight);
if (!JS_SetProperty(cx, o, "right", &v)) {
return NS_ERROR_FAILURE;
}
DOM_CAMERA_LOGI("mWeight=%d\n", regions[i].mWeight);
v = INT_TO_JSVAL(regions[i].mWeight);
if (!JS_SetProperty(cx, o, "weight", &v)) {
return NS_ERROR_FAILURE;
}
v = OBJECT_TO_JSVAL(o);
if (!JS_SetElement(cx, array, i, &v)) {
return NS_ERROR_FAILURE;
}
}
*aValue = JS::ObjectValue(*array);
return NS_OK;
}
