fmapp2: Add support for long press and short press from headset

*Long press - toggle's FM on/off
*short press - scans the next channel.

SAMOSA-7

Change-Id: Id670b0275d949ba449d4fa47167e4bee8e15f09f
(cherry picked from commit 13c72eb945006651f39510903684f016a81a9be9)

3 files changed, 116 insertions, 50 deletions

diff --git a/fmapp2/src/com/caf/fmradio/FMRadio.java b/fmapp2/src/com/caf/fmradio/FMRadio.java
index b05d64c..d685ffb 100644
--- a/fmapp2/src/com/caf/fmradio/FMRadio.java
+++ b/fmapp2/src/com/caf/fmradio/FMRadio.java
@@ -239,7 +239,6 @@ public class FMRadio extends Activity
    /* Current Status Indicators */
    private static boolean mRecording = false;
    private static boolean mIsScaning = false;
-   private static boolean mIsSeeking = false;
    private static boolean mIsSearching = false;
    private static int mScanPty = 0;
    private static int mScanPtyIndex = 0;
@@ -626,7 +625,12 @@ public class FMRadio extends Activity
       boolean radioOn = isFmOn();
       boolean recording = isRecording();
       boolean sleepActive = isSleepTimerActive();
-      boolean searchActive = isScanActive() || isSeekActive();
+      boolean searchActive = false;
+      try{
+          searchActive = isScanActive() || mService.isSeekActive();
+      } catch(RemoteException e) {
+          e.printStackTrace();
+      }
 
       item = menu.add(0, MENU_SCAN_START, 0, R.string.menu_scan_start).
                             setIcon(R.drawable.ic_btn_search);
@@ -681,7 +685,13 @@ public class FMRadio extends Activity
       MenuItem item;
       boolean radioOn = isFmOn();
       boolean recording = isRecording();
-      boolean searchActive = isScanActive() || isSeekActive();
+      boolean searchActive = false;
+
+      try {
+          searchActive = isScanActive() || mService.isSeekActive();
+      } catch(RemoteException e) {
+          e.printStackTrace();
+      }
 
       item = menu.findItem(MENU_SCAN_START);
       if (item != null) {
@@ -1201,8 +1211,15 @@ public class FMRadio extends Activity
       String []items;
       double frequency = mTunedStation.getFrequency() / 1000.0;
       boolean bSearchActive = false;
+      boolean isSeekActive = false;
+
+      try {
+          isSeekActive = mService.isSeekActive();
+      } catch(RemoteException e) {
+         e.printStackTrace();
+      }
 
-      if (isSeekActive()) {
+      if (isSeekActive) {
           msgStr = getString(R.string.msg_seeking);
           bSearchActive = true;
       }else if (isScanActive()) {
@@ -1626,7 +1643,6 @@ public class FMRadio extends Activity
 
    private void enableRadio() {
       mIsScaning = false;
-      mIsSeeking = false;
       mIsSearching = false;
       boolean bStatus = false;
       if (mService != null) {
@@ -2044,7 +2060,13 @@ public class FMRadio extends Activity
    }
 
    private void updateSearchProgress() {
-      boolean searchActive = isScanActive() || isSeekActive() || isSearchActive();
+      boolean searchActive = false;
+      try {
+          searchActive = isScanActive() || mService.isSeekActive() || isSearchActive();
+      } catch(RemoteException e) {
+         e.printStackTrace();
+      }
+
       if (searchActive) {
          synchronized (this) {
             if(mProgressDialog == null) {
@@ -2187,9 +2209,6 @@ public class FMRadio extends Activity
       return(mIsScaning);
    }
 
-   private boolean isSeekActive() {
-      return(mIsSeeking);
-   }
    private boolean isSearchActive() {
       return(mIsSearching);
    }
@@ -2201,18 +2220,15 @@ public class FMRadio extends Activity
    private void SeekPreviousStation() {
       Log.d(LOGTAG, "SeekPreviousStation");
       if (mService != null) {
-         try {
-            if(!isSeekActive()) {
-               mIsSeeking = mService.seek(false);
-               if (mIsSeeking == false) {
-                  mCommandFailed = CMD_SEEK;
-                  Log.e(LOGTAG, "mService.seek failed");
-                  showDialog(DIALOG_CMD_FAILED);
+               try {
+                   if(!mService.seekNextStation(false)) {
+                      mCommandFailed = CMD_SEEK;
+                      Log.e(LOGTAG, "mService.seekNextStation failed");
+                      showDialog(DIALOG_CMD_FAILED);
+                   }
+               } catch(RemoteException e) {
+                      Log.d(LOGTAG, "Error when trying to scan the previous station");
                }
-            }
-         }catch (RemoteException e) {
-            e.printStackTrace();
-         }
       }
       updateSearchProgress();
    }
@@ -2220,18 +2236,15 @@ public class FMRadio extends Activity
    private void SeekNextStation() {
       Log.d(LOGTAG, "SeekNextStation");
       if(mService != null) {
-         try {
-            if(!isSeekActive()) {
-               mIsSeeking = mService.seek(true);
-               if (mIsSeeking == false) {
-                  mCommandFailed = CMD_SEEK;
-                  Log.e(LOGTAG, "mService.seek failed");
-                  showDialog(DIALOG_CMD_FAILED);
+               try {
+                   if(!mService.seekNextStation(true)) {
+                     mCommandFailed = CMD_SEEK;
+                     Log.e(LOGTAG, "mService.seekNextStation failed");
+                     showDialog(DIALOG_CMD_FAILED);
+                   }
+               } catch(RemoteException e) {
+                      Log.d(LOGTAG, "Error when trying to scan the next station");
                }
-            }
-         }catch (RemoteException e) {
-            e.printStackTrace();
-         }
       }
       updateSearchProgress();
    }
@@ -2262,25 +2275,21 @@ public class FMRadio extends Activity
    private void initiatePISearch(int pi) {
       Log.d(LOGTAG, "initiatePISearch");
       if(mService != null) {
-         try {
-            if(!isSeekActive()) {
-               mIsSeeking = mService.seekPI(pi);
-               if (mIsSeeking == false) {
-                  mCommandFailed = CMD_SEEKPI;
-                  Log.e(LOGTAG, "mService.seekPI failed");
-                  showDialog(DIALOG_CMD_FAILED);
+               try {
+                   if(!mService.initiatePISearch(pi)) {
+                     mCommandFailed = CMD_SEEKPI;
+                     Log.e(LOGTAG, "mService.initiatePISearch failed");
+                     showDialog(DIALOG_CMD_FAILED);
+                   }
+               } catch(RemoteException e) {
+                      e.printStackTrace();
                }
-            }
-         }catch (RemoteException e) {
-            e.printStackTrace();
-         }
       }
       updateSearchProgress();
    }
 
    private void resetSearch() {
       mIsScaning = false;
-      mIsSeeking = false;
       mIsSearching = false;
       resetSearchProgress();
    }
@@ -2290,11 +2299,10 @@ public class FMRadio extends Activity
          if (mService != null) {
             try {
                if ((mIsScaning == true)
-                   || (mIsSeeking == true)
+                   || (mService.isSeekActive() == true)
                    || (mIsSearching == true)) {
                    mService.cancelSearch();
                    mIsScaning = false;
-                   mIsSeeking = false;
                    mIsSearching=false;
                }
             }catch (RemoteException e) {
@@ -2625,6 +2633,7 @@ public class FMRadio extends Activity
        }
        return super.onKeyDown(keyCode, event);
    }
+
    private void resetFMStationInfoUI() {
       mTunedStation.setFrequency(FmSharedPreferences.getTunedFrequency());
       mTunedStation.setName("");
@@ -2689,7 +2698,6 @@ public class FMRadio extends Activity
          mScanPty=0;
          mScanPtyIndex = 0;
          mIsScaning = false;
-         mIsSeeking = false;
          mIsSearching = false;
          updateSearchProgress();
          resetFMStationInfoUI();
@@ -3131,7 +3139,6 @@ public class FMRadio extends Activity
          mScanPty = 0;
          mScanPtyIndex = 0;
          mIsScaning = false;
-         mIsSeeking = false;
          mIsSearching = false;
          mHandler.post(mSearchComplete);
       }
diff --git a/fmapp2/src/com/caf/fmradio/FMRadioService.java b/fmapp2/src/com/caf/fmradio/FMRadioService.java
index 4669b06..a351cf5 100644
--- a/fmapp2/src/com/caf/fmradio/FMRadioService.java
+++ b/fmapp2/src/com/caf/fmradio/FMRadioService.java
@@ -122,6 +122,7 @@ public class FMRadioService extends Service
    private static int mFreq = 0;
    private static boolean mResumeAfterCall = false;
    private static String mAudioDevice="headset";
+   private static boolean mIsSeeking = false;
    MediaRecorder mRecorder = null;
    MediaRecorder mA2dp = null;
    private boolean mFMOn = false;
@@ -793,16 +794,49 @@ public class FMRadioService extends Service
        }
    }
 
+   private boolean isSeekActive() {
+      Log.d(LOGTAG, "Seeking is "+mIsSeeking);
+      return(mIsSeeking);
+   }
+
+   private void setIsSeeking(boolean val) {
+      mIsSeeking = val;
+   }
+
+   private boolean seekNextStation(boolean dir) {
+      Log.d(LOGTAG, "seekNextStation direction "+(dir?"next":"previous"));
+      boolean result = !isSeekActive() && seek(dir);
+      setIsSeeking(result);
+      return result;
+   }
+
+   /** SEEK Station with the matching PI */
+   public boolean initiatePISearch(int pi) {
+      Log.d(LOGTAG, "initiatePISearch");
+      boolean result = !isSeekActive() && seekPI(pi);
+      setIsSeeking(result);
+      return result;
+   }
+
    private final MediaSession.Callback mSessionCallback = new MediaSession.Callback() {
         @Override
         public boolean onMediaButtonEvent(Intent intent) {
             KeyEvent event = (KeyEvent) intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
             Log.d(LOGTAG, "SessionCallback.onMediaButton()...  event = " +event);
             int key_action = event.getAction();
-            if ((event != null) && ((event.getKeyCode() == KeyEvent.KEYCODE_HEADSETHOOK)
-                                    || (event.getKeyCode() == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE))
+            if(event != null
+                 && (event.getKeyCode() == KeyEvent.KEYCODE_HEADSETHOOK)
+                 && (key_action == KeyEvent.ACTION_DOWN)) {
+               if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
+                    Log.d(LOGTAG, "SessionCallback.onMediaButton() its a long press");
+                    toggleFM();
+               } else if (isFmOn()) {
+                         seekNextStation(true);
+               }
+               return true;
+            } else if ((event != null) && (event.getKeyCode() == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE)
                                 && (key_action == KeyEvent.ACTION_DOWN)) {
-                Log.d(LOGTAG, "SessionCallback: HEADSETHOOK/MEDIA_PLAY_PAUSE");
+                Log.d(LOGTAG, "SessionCallback: MEDIA_PLAY_PAUSE");
                 toggleFM();
                 return true;
             } else if((event != null) && (event.getKeyCode() == KeyEvent.KEYCODE_MEDIA_PAUSE)
@@ -1749,6 +1783,22 @@ public class FMRadioService extends Service
       public List<Integer> getScannedFrequencies() {
           return(mService.get().getScannedFrequencies());
       }
+
+     public boolean isSeekActive() {
+          return(mService.get().isSeekActive());
+     }
+
+     public void setIsSeeking(boolean val) {
+          mService.get().setIsSeeking(val);
+     }
+
+     public boolean seekNextStation(boolean dir) {
+          return(mService.get().seekNextStation(dir));
+     }
+
+     public boolean initiatePISearch(int pi) {
+          return(mService.get().initiatePISearch(pi));
+     }
    }
    private final IBinder mBinder = new ServiceStub(this);
 
@@ -1957,6 +2007,7 @@ public class FMRadioService extends Service
          bStatus = mReceiver.disable();
          mReceiver = null;
       }
+      setIsSeeking(false);
       stop();
       return(bStatus);
    }
@@ -1979,6 +2030,7 @@ public class FMRadioService extends Service
          bStatus = mReceiver.reset();
          mReceiver = null;
       }
+      setIsSeeking(false);
       stop();
       return(bStatus);
    }
@@ -2403,6 +2455,8 @@ public class FMRadioService extends Service
          Log.d(LOGTAG, "cancelSearch");
          bCommandSent = mReceiver.cancelSearch();
       }
+
+      setIsSeeking(false);
       return bCommandSent;
    }
 
@@ -2876,6 +2930,7 @@ public class FMRadioService extends Service
       public void FmRxEvSearchComplete(int frequency)
        {
          Log.d(LOGTAG, "FmRxEvSearchComplete: Tuned Frequency: " +frequency);
+         setIsSeeking(false);
          try
          {
             FmSharedPreferences.setTunedFrequency(frequency);
diff --git a/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl b/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl
index bd32102..989a372 100644
--- a/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl
+++ b/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl
@@ -75,5 +75,9 @@ interface IFMRadioService
     boolean isSSRInProgress();
     boolean isSearchInProgress();
     List getScannedFrequencies();
+    boolean isSeekActive();
+    boolean seekNextStation(boolean dir);
+    boolean initiatePISearch(int pi);
+    void setIsSeeking(boolean val);
 }