Merge "Fix issue 2388215: Audio not routed to 3.5mm Headset after removal/insertion." into eclair

        // 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 (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),

                                        1000);

        } else {

            sendIntents(mHeadsetState, mPrevHeadsetState, mHeadsetName);

        }

                                    delay);

    }

    private synchronized final void sendIntents(int headsetState, int prevHeadsetState, String headsetName) {