From 33ff2405581271adf14ed4e45597a3b0b80a46ab Mon Sep 17 00:00:00 2001
From: Jeff Hamilton <jham@android.com>
Date: Mon, 17 Jan 2011 07:59:03 -0800
Subject: [PATCH] New APIs for NDEF Push Protocol.

The NPP is only usable by the foregorund
activity to prevent dispatching confusion
on the far end.

Change-Id: I08475a52083fd7f81b79b7fe2faf4e126121a809
---
 api/current.xml                        | 30 ++++++++++-
 core/java/android/nfc/INfcAdapter.aidl |  2 +
 core/java/android/nfc/NfcAdapter.java  | 74 ++++++++++++++++++++++----
 3 files changed, 95 insertions(+), 11 deletions(-)

diff --git a/api/current.xml b/api/current.xml
index 4006e67a0f058..aefa9321eab56 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -100830,6 +100830,19 @@
 <parameter name="activity" type="android.app.Activity">
 </parameter>
 </method>
+<method name="disableNdefPushDispatch"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="activity" type="android.app.Activity">
+</parameter>
+</method>
 <method name="enableForegroundDispatch"
  return="void"
  abstract="false"
@@ -100847,6 +100860,21 @@
 <parameter name="filters" type="android.content.IntentFilter...">
 </parameter>
 </method>
+<method name="enableForegroundNdefPush"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="activity" type="android.app.Activity">
+</parameter>
+<parameter name="msg" type="android.nfc.NdefMessage">
+</parameter>
+</method>
 <method name="getDefaultAdapter"
  return="android.nfc.NfcAdapter"
  abstract="false"
@@ -226827,7 +226855,7 @@
  deprecated="not deprecated"
  visibility="public"
 >
-<parameter name="t" type="T">
+<parameter name="arg0" type="T">
 </parameter>
 </method>
 </interface>
diff --git a/core/java/android/nfc/INfcAdapter.aidl b/core/java/android/nfc/INfcAdapter.aidl
index cb9fc9d05fbe4..cfeff523581dd 100644
--- a/core/java/android/nfc/INfcAdapter.aidl
+++ b/core/java/android/nfc/INfcAdapter.aidl
@@ -50,6 +50,8 @@ interface INfcAdapter
     void enableForegroundDispatch(in ComponentName activity, in PendingIntent intent,
         in IntentFilter[] filters);
     void disableForegroundDispatch(in ComponentName activity);
+    void enableForegroundNdefPush(in ComponentName activity, in NdefMessage msg);
+    void disableForegroundNdefPush(in ComponentName activity);
 
     // Non-public methods
     // TODO: check and complete
diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java
index c0c0462bfe8c4..28d53f567f62f 100644
--- a/core/java/android/nfc/NfcAdapter.java
+++ b/core/java/android/nfc/NfcAdapter.java
@@ -413,13 +413,6 @@ public final class NfcAdapter {
         }
     }
 
-    class ForegroundDispatchPausedListener implements OnActivityPausedListener {
-        @Override
-        public void onPaused(Activity activity) {
-            disableForegroundDispatchInternal(activity, true);
-        }
-    }
-
     /**
      * Enables foreground dispatching to the given Activity. This will force all NFC Intents that
      * match the given filters to be delivered to the activity bypassing the standard dispatch
@@ -438,7 +431,7 @@ public final class NfcAdapter {
             throw new NullPointerException();
         }
         if (!activity.isResumed()) {
-            throw new IllegalStateException("Foregorund dispatching can onlly be enabled " +
+            throw new IllegalStateException("Foregorund dispatching can only be enabled " +
                     "when your activity is resumed");
         }
         try {
@@ -452,15 +445,24 @@ public final class NfcAdapter {
 
     /**
      * Disables foreground activity dispatching setup with
-     * {@link #enableForegroundDispatch}. This must be called before the Activity returns from
+     * {@link #enableForegroundDispatch}.
+     *
+     * <p>This must be called before the Activity returns from
      * it's <code>onPause()</code> or this method will throw an IllegalStateException.
      *
-     * This method must be called from the main thread.
+     * <p>This method must be called from the main thread.
      */
     public void disableForegroundDispatch(Activity activity) {
         disableForegroundDispatchInternal(activity, false);
     }
 
+    class ForegroundDispatchPausedListener implements OnActivityPausedListener {
+        @Override
+        public void onPaused(Activity activity) {
+            disableForegroundDispatchInternal(activity, true);
+        }
+    }
+
     void disableForegroundDispatchInternal(Activity activity, boolean force) {
         try {
             sService.disableForegroundDispatch(activity.getComponentName());
@@ -473,6 +475,58 @@ public final class NfcAdapter {
         }
     }
 
+    /**
+     * Enable NDEF messages push while this Activity is in the foreground.
+     */
+    public void enableForegroundNdefPush(Activity activity, NdefMessage msg) {
+        if (activity == null || msg == null) {
+            throw new NullPointerException();
+        }
+        if (!activity.isResumed()) {
+            throw new IllegalStateException("Foregorund NDEF push can only be enabled " +
+                    "when your activity is resumed");
+        }
+        try {
+            ActivityThread.currentActivityThread().registerOnActivityPausedListener(activity,
+                    new ForegroundDispatchPausedListener());
+            sService.enableForegroundNdefPush(activity.getComponentName(), msg);
+        } catch (RemoteException e) {
+            attemptDeadServiceRecovery(e);
+        }
+    }
+
+    /**
+     * Disables foreground NDEF push setup with
+     * {@link #enableForegroundNdefPush}.
+     *
+     * <p>This must be called before the Activity returns from
+     * it's <code>onPause()</code> or this method will throw an IllegalStateException.
+     *
+     * <p>This method must be called from the main thread.
+     */
+    public void disableNdefPushDispatch(Activity activity) {
+        disableForegroundDispatchInternal(activity, false);
+    }
+
+    class ForegroundNdefPushPausedListener implements OnActivityPausedListener {
+        @Override
+        public void onPaused(Activity activity) {
+            disableNdefPushDispatchInternal(activity, true);
+        }
+    }
+
+    void disableNdefPushDispatchInternal(Activity activity, boolean force) {
+        try {
+            sService.disableForegroundNdefPush(activity.getComponentName());
+            if (!force && !activity.isResumed()) {
+                throw new IllegalStateException("You must disable forgeground NDEF push " +
+                        "while your activity is still resumed");
+            }
+        } catch (RemoteException e) {
+            attemptDeadServiceRecovery(e);
+        }
+    }
+
     /**
      * Retrieve a TagTechnology object used to interact with a Tag that is
      * in field.