From 6f37ad03f7c5e4115b4e75771fe201741816288c Mon Sep 17 00:00:00 2001
From: Steven Smith <Steveice10@gmail.com>
Date: Tue, 14 Apr 2015 09:45:51 -0700
Subject: [PATCH] Add news:u commands.

---
 libctru/include/3ds.h               |  1 +
 libctru/include/3ds/services/news.h | 22 +++++++++++
 libctru/source/services/news.c      | 59 +++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+)
 create mode 100644 libctru/include/3ds/services/news.h
 create mode 100644 libctru/source/services/news.c

diff --git a/libctru/include/3ds.h b/libctru/include/3ds.h
index 1d8f6fa..91ef308 100644
--- a/libctru/include/3ds.h
+++ b/libctru/include/3ds.h
@@ -34,6 +34,7 @@ extern "C" {
 #include <3ds/services/soc.h>
 #include <3ds/services/mic.h>
 #include <3ds/services/mvd.h>
+#include <3ds/services/news.h>
 #include <3ds/services/qtm.h>
 #include <3ds/services/hb.h>
 
diff --git a/libctru/include/3ds/services/news.h b/libctru/include/3ds/services/news.h
new file mode 100644
index 0000000..bf1c825
--- /dev/null
+++ b/libctru/include/3ds/services/news.h
@@ -0,0 +1,22 @@
+#pragma once
+
+/*
+	Requires access to "news:u" service.
+*/
+
+
+Result newsInit();
+Result newsExit();
+
+/* NEWSU_AddNotification()
+About: Adds a notification to the home menu Notifications applet.
+
+  title	UTF-16 title of the notification.
+  titleLength	Number of characters in the title, not including the null-terminator.
+  title	UTF-16 message of the notification, or NULL for no message.
+  titleLength	Number of characters in the message, not including the null-terminator.
+  image	Data of the image to show in the notification, or NULL for no image.
+  imageSize	Size of the image data in bytes.
+  jpeg		Whether the image is a JPEG or not.
+*/
+Result NEWSU_AddNotification(const u16* title, u32 titleLength, const u16* message, u32 messageLength, const void* imageData, u32 imageSize, bool jpeg);
diff --git a/libctru/source/services/news.c b/libctru/source/services/news.c
new file mode 100644
index 0000000..51a8cea
--- /dev/null
+++ b/libctru/source/services/news.c
@@ -0,0 +1,59 @@
+#include <string.h>
+#include <3ds/types.h>
+#include <3ds/os.h>
+#include <3ds/svc.h>
+#include <3ds/srv.h>
+#include <3ds/services/news.h>
+
+typedef struct {
+	bool dataSet;
+	bool unread;
+	bool enableJPEG;
+	u8 unkFlag1;
+	u8 unkFlag2;
+	u64 processID;
+	u8 unkData[24];
+	u64 time;
+	u16 title[32];
+} NotificationHeader;
+
+static Handle newsHandle = 0;
+
+Result newsInit() {
+	return srvGetServiceHandle(&newsHandle, "news:u");
+}
+
+Result newsExit() {
+	return svcCloseHandle(newsHandle);
+}
+
+Result NEWSU_AddNotification(const u16* title, u32 titleLength, const u16* message, u32 messageLength, const void* imageData, u32 imageSize, bool jpeg)
+{
+	NotificationHeader header = { 0 };
+	header.dataSet = true;
+	header.unread = true;
+	header.enableJPEG = jpeg;
+	header.processID = 0; // Filled automatically from FS:GetProgramLaunchInfo
+	header.time = osGetTime();
+	memcpy(header.title, title, (titleLength < 32 ? titleLength + 1 : 32) * sizeof(u16));
+
+	Result ret = 0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	cmdbuf[0] = 0x000100C8;
+	cmdbuf[1] = sizeof(NotificationHeader);
+	cmdbuf[2] = (messageLength + 1) * sizeof(u16);
+	cmdbuf[3] = imageSize;
+	cmdbuf[4] = 0x20;
+	cmdbuf[5] = 0; // Process ID, Filled automatically by the ARM11 kernel.
+	cmdbuf[6] = (sizeof(NotificationHeader) << 4) | 10;
+	cmdbuf[7] = (u32) &header;
+	cmdbuf[8] = (((messageLength + 1) * sizeof(u16)) << 4) | 10;
+	cmdbuf[9] = (u32) message;
+	cmdbuf[10] = (imageSize << 4) | 10;
+	cmdbuf[11] = (u32) imageData;
+
+	if((ret = svcSendSyncRequest(newsHandle))!=0) return ret;
+
+	return (Result)cmdbuf[1];
+}