SystemUI: add NFC tile

Change-Id: I884b3492b1d81c39235df1660e4e0e06653abce2
Signed-off-by: Roman Birg <roman@cyngn.com>

5 files changed, 192 insertions, 0 deletions

diff --git a/packages/SystemUI/res/drawable/ic_qs_nfc_off.xml b/packages/SystemUI/res/drawable/ic_qs_nfc_off.xml
new file mode 100644
index 0000000..1349c7c
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_qs_nfc_off.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="64dp"
+    android:height="64dp"
+    android:viewportWidth="48"
+    android:viewportHeight="48">
+
+    <path
+        android:fillColor="#4DFFFFFF"
+        android:pathData="M16.4,8l-4-4H40c2.2,0,4,1.8,4,4v27.6l-4-4V8H16.4Z
+M26,12c-1.5,0-2.8,0.9-3.5,2.1l3.5,3.5 V16h6v7.6l4,4V12H26z
+M43.8,41.1c-0.5,1.7-2,2.9-3.8,2.9H8c-2.2,0-4-1.8-4-4V8c0-1.8,1.3-3.4,2.9-3.8L32,29.2l4,4L43.8,41.1z
+M25,27.9c-0.3,0.1-0.7,0.1-1,0.1c-2.2,0-4-1.8-4-4c0-0.4,0-0.7,0.1-1L16,18.8V32h13.2L25,27.9z
+M37.2,40l-4-4H12V14.8l-4-4V40H37.2 z" />
+</vector>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/ic_qs_nfc_on.xml b/packages/SystemUI/res/drawable/ic_qs_nfc_on.xml
new file mode 100644
index 0000000..73e735c
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_qs_nfc_on.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="64dp"
+    android:height="64dp"
+    android:viewportWidth="48"
+    android:viewportHeight="48">
+
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M40,4H8C5.8,4,4,5.8,4,8v32c0,2.2,1.8,4,4,4h32c2.2,0,4-1.8,4-4V8C44,5.8,42.2,4,40,4Z
+M40,40H8V8h32V40z
+M36,12H26c-2.2,0-4,1.8-4,4v4.6c-1.2,0.7-2,2-2,3.4c0,2.2,1.8,4,4,4s4-1.8,4-4c0-1.5-0.8-2.8-2-3.4V16h6v16H16
+V16h4v-4h-8v24h24V12z" />
+</vector>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/cm_strings.xml b/packages/SystemUI/res/values/cm_strings.xml
index 964b217..073b332 100644
--- a/packages/SystemUI/res/values/cm_strings.xml
+++ b/packages/SystemUI/res/values/cm_strings.xml
@@ -95,4 +95,6 @@
     <string name="quick_settings_network_adb_disabled_label">Disabled</string>
     <string name="qs_tile_adb_over_network">ADB over network</string>
     <string name="qs_tile_compass">Compass</string>
+    <string name="quick_settings_nfc">NFC</string>
+    <string name="quick_settings_nfc_off">NFC off</string>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/NfcTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/NfcTile.java
new file mode 100644
index 0000000..a5be535
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/NfcTile.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.qs.tiles;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.nfc.NfcAdapter;
+
+import com.android.internal.logging.MetricsConstants;
+import com.android.systemui.R;
+import com.android.systemui.qs.QSTile;
+
+public class NfcTile extends QSTile<QSTile.BooleanState> {
+    private NfcAdapter mNfcAdapter;
+    private boolean mListening;
+
+    private BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            refreshState();
+        }
+    };
+
+    public NfcTile(Host host) {
+        super(host);
+        mNfcAdapter = NfcAdapter.getDefaultAdapter(mContext);
+    }
+
+    @Override
+    protected BooleanState newTileState() {
+        return new BooleanState();
+    }
+
+    @Override
+    protected void handleClick() {
+        toggleState();
+    }
+
+    @Override
+    protected void handleLongClick() {
+        mHost.startActivityDismissingKeyguard(new Intent("android.settings.NFC_SETTINGS"));
+    }
+
+    protected void toggleState() {
+        int state = getNfcState();
+        switch (state) {
+            case NfcAdapter.STATE_TURNING_ON:
+            case NfcAdapter.STATE_ON:
+                mNfcAdapter.disable();
+                break;
+            case NfcAdapter.STATE_TURNING_OFF:
+            case NfcAdapter.STATE_OFF:
+                mNfcAdapter.enable();
+                break;
+        }
+    }
+
+    private boolean isEnabled() {
+        int state = getNfcState();
+        switch (state) {
+            case NfcAdapter.STATE_TURNING_ON:
+            case NfcAdapter.STATE_ON:
+                return true;
+            case NfcAdapter.STATE_TURNING_OFF:
+            case NfcAdapter.STATE_OFF:
+            default:
+                return false;
+        }
+    }
+
+    private int getNfcState() {
+        return mNfcAdapter.getAdapterState();
+    }
+
+    @Override
+    protected void handleUpdateState(BooleanState state, Object arg) {
+        if (mNfcAdapter == null) {
+            mNfcAdapter = NfcAdapter.getDefaultAdapter(mContext);
+        }
+        state.visible = mNfcAdapter != null;
+        state.value = mNfcAdapter != null && isEnabled();
+        state.icon = ResourceIcon.get(state.value ?
+                R.drawable.ic_qs_nfc_on : R.drawable.ic_qs_nfc_off);
+        state.label = mContext.getString(state.value
+                ? R.string.quick_settings_nfc : R.string.quick_settings_nfc_off);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsConstants.DONT_TRACK_ME_BRO;
+    }
+
+    @Override
+    public void setListening(boolean listening) {
+        if (mListening == listening) return;
+        mListening = listening;
+        if (listening) {
+            if (mNfcAdapter == null) {
+                mNfcAdapter = NfcAdapter.getDefaultAdapter(mContext);
+                refreshState();
+            }
+            mContext.registerReceiver(mReceiver,
+                    new IntentFilter(NfcAdapter.ACTION_ADAPTER_STATE_CHANGED));
+        } else {
+            mContext.unregisterReceiver(mReceiver);
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
index f1dba43..040eeef 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -50,6 +50,7 @@ import com.android.systemui.qs.tiles.FlashlightTile;
 import com.android.systemui.qs.tiles.HotspotTile;
 import com.android.systemui.qs.tiles.IntentTile;
 import com.android.systemui.qs.tiles.LocationTile;
+import com.android.systemui.qs.tiles.NfcTile;
 import com.android.systemui.qs.tiles.RotationLockTile;
 import com.android.systemui.qs.tiles.WifiTile;
 import com.android.systemui.statusbar.CustomTileData;
@@ -332,6 +333,7 @@ public class QSTileHost implements QSTile.Host, Tunable {
         else if (tileSpec.equals("hotspot")) return new HotspotTile(this);
         else if (tileSpec.equals("edit")) return new EditTile(this);
         else if (tileSpec.equals("compass")) return new CompassTile(this);
+        else if (tileSpec.equals("nfc")) return new NfcTile(this);
         else if (tileSpec.startsWith(IntentTile.PREFIX)) return IntentTile.create(this,tileSpec);
         else throw new IllegalArgumentException("Bad tile spec: " + tileSpec);
     }
@@ -404,6 +406,7 @@ public class QSTileHost implements QSTile.Host, Tunable {
         else if (spec.equals("edit")) return R.string.quick_settings_edit_label;
         else if (spec.equals("adb_network")) return R.string.qs_tile_adb_over_network;
         else if (spec.equals("compass")) return R.string.qs_tile_compass;
+        else if (spec.equals("nfc")) return R.string.quick_settings_nfc;
         return 0;
     }