1 files changed, 0 insertions, 183 deletions
diff --git a/services/java/com/android/server/HeadsetObserver.java b/services/java/com/android/server/HeadsetObserver.java
deleted file mode 100644
index 6f0a91d..0000000
--- a/services/java/com/android/server/HeadsetObserver.java
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source 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.server;
-
-import android.app.ActivityManagerNative;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Handler;
-import android.os.Message;
-import android.os.PowerManager;
-import android.os.PowerManager.WakeLock;
-import android.os.UEventObserver;
-import android.util.Slog;
-import android.media.AudioManager;
-
-import java.io.FileReader;
-import java.io.FileNotFoundException;
-
-/**
- * <p>HeadsetObserver monitors for a wired headset.
- */
-class HeadsetObserver extends UEventObserver {
-    private static final String TAG = HeadsetObserver.class.getSimpleName();
-    private static final boolean LOG = true;
-
-    private static final String HEADSET_UEVENT_MATCH = "DEVPATH=/devices/virtual/switch/h2w";
-    private static final String HEADSET_STATE_PATH = "/sys/class/switch/h2w/state";
-    private static final String HEADSET_NAME_PATH = "/sys/class/switch/h2w/name";
-
-    private static final int BIT_HEADSET = (1 << 0);
-    private static final int BIT_HEADSET_NO_MIC = (1 << 1);
-    private static final int SUPPORTED_HEADSETS = (BIT_HEADSET|BIT_HEADSET_NO_MIC);
-    private static final int HEADSETS_WITH_MIC = BIT_HEADSET;
-
-    private int mHeadsetState;
-    private int mPrevHeadsetState;
-    private String mHeadsetName;
-
-    private final Context mContext;
-    private final WakeLock mWakeLock;  // held while there is a pending route change
-
-    public HeadsetObserver(Context context) {
-        mContext = context;
-        PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
-        mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "HeadsetObserver");
-        mWakeLock.setReferenceCounted(false);
-
-        startObserving(HEADSET_UEVENT_MATCH);
-
-        init();  // set initial status
-    }
-
-    @Override
-    public void onUEvent(UEventObserver.UEvent event) {
-        if (LOG) Slog.v(TAG, "Headset UEVENT: " + event.toString());
-
-        try {
-            update(event.get("SWITCH_NAME"), Integer.parseInt(event.get("SWITCH_STATE")));
-        } catch (NumberFormatException e) {
-            Slog.e(TAG, "Could not parse switch state from event " + event);
-        }
-    }
-
-    private synchronized final void init() {
-        char[] buffer = new char[1024];
-
-        String newName = mHeadsetName;
-        int newState = mHeadsetState;
-        mPrevHeadsetState = mHeadsetState;
-        try {
-            FileReader file = new FileReader(HEADSET_STATE_PATH);
-            int len = file.read(buffer, 0, 1024);
-            newState = Integer.valueOf((new String(buffer, 0, len)).trim());
-
-            file = new FileReader(HEADSET_NAME_PATH);
-            len = file.read(buffer, 0, 1024);
-            newName = new String(buffer, 0, len).trim();
-
-        } catch (FileNotFoundException e) {
-            Slog.w(TAG, "This kernel does not have wired headset support");
-        } catch (Exception e) {
-            Slog.e(TAG, "" , e);
-        }
-
-        update(newName, newState);
-    }
-
-    private synchronized final void update(String newName, int newState) {
-        // Retain only relevant bits
-        int headsetState = newState & SUPPORTED_HEADSETS;
-        int newOrOld = headsetState | mHeadsetState;
-        int delay = 0;
-        // reject all suspect transitions: only accept state changes from:
-        // - a: 0 heaset to 1 headset
-        // - b: 1 headset to 0 headset
-        if (mHeadsetState == headsetState || ((newOrOld & (newOrOld - 1)) != 0)) {
-            return;
-        }
-
-        mHeadsetName = newName;
-        mPrevHeadsetState = mHeadsetState;
-        mHeadsetState = headsetState;
-
-        if (headsetState == 0) {
-            Intent intent = new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY);
-            mContext.sendBroadcast(intent);
-            // It can take hundreds of ms flush the audio pipeline after
-            // apps pause audio playback, but audio route changes are
-            // immediate, so delay the route change by 1000ms.
-            // This could be improved once the audio sub-system provides an
-            // interface to clear the audio pipeline.
-            delay = 1000;
-        } else {
-            // Insert the same delay for headset connection so that the connection event is not
-            // broadcast before the disconnection event in case of fast removal/insertion
-            if (mHandler.hasMessages(0)) {
-                delay = 1000;
-            }
-        }
-        mWakeLock.acquire();
-        mHandler.sendMessageDelayed(mHandler.obtainMessage(0,
-                                                           mHeadsetState,
-                                                           mPrevHeadsetState,
-                                                           mHeadsetName),
-                                    delay);
-    }
-
-    private synchronized final void sendIntents(int headsetState, int prevHeadsetState, String headsetName) {
-        int allHeadsets = SUPPORTED_HEADSETS;
-        for (int curHeadset = 1; allHeadsets != 0; curHeadset <<= 1) {
-            if ((curHeadset & allHeadsets) != 0) {
-                sendIntent(curHeadset, headsetState, prevHeadsetState, headsetName);
-                allHeadsets &= ~curHeadset;
-            }
-        }
-    }
-
-    private final void sendIntent(int headset, int headsetState, int prevHeadsetState, String headsetName) {
-        if ((headsetState & headset) != (prevHeadsetState & headset)) {
-            //  Pack up the values and broadcast them to everyone
-            Intent intent = new Intent(Intent.ACTION_HEADSET_PLUG);
-            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
-            int state = 0;
-            int microphone = 0;
-
-            if ((headset & HEADSETS_WITH_MIC) != 0) {
-                microphone = 1;
-            }
-            if ((headsetState & headset) != 0) {
-                state = 1;
-            }
-            intent.putExtra("state", state);
-            intent.putExtra("name", headsetName);
-            intent.putExtra("microphone", microphone);
-
-            if (LOG) Slog.v(TAG, "Intent.ACTION_HEADSET_PLUG: state: "+state+" name: "+headsetName+" mic: "+microphone);
-            // TODO: Should we require a permission?
-            ActivityManagerNative.broadcastStickyIntent(intent, null);
-        }
-    }
-
-    private final Handler mHandler = new Handler() {
-        @Override
-        public void handleMessage(Message msg) {
-            sendIntents(msg.arg1, msg.arg2, (String)msg.obj);
-            mWakeLock.release();
-        }
-    };
-}