1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Manipulates the audio output mode.

    15 *

    16 */

    17 #ifndef CAMMSAUDIOOUTPUTCONTROL_H

    18 #define CAMMSAUDIOOUTPUTCONTROL_H

    19 

    20 //  INCLUDES

    21 #include "cammscontrol.h"

    22 #include <cmmamidiplayer.h>

    23 #include <mmmaplayerstatelistener.h>

    24 // for audio routing control

    25 #include <AudioOutput.h>

    26 

    27 // for audio routing observers

    28 #include <MAudioOutputObserver.h>

    29 #include <AccMonitor.h>

    30 #include <AccMonitorInfo.h>

    31 

    32 

    33 

    34 

    35 // CONSTANTS

    36 _LIT(KAMMSAudioOutputControl, "AudioOutputControl");

    37 // CLASS DECLARATION

    38 

    39 /**

    40 *

    41 *  Controls for the Audio Routing.

    42 *  This class delegates Audio Routing setting calls to RMMFController.

    43 *

    44 *

    45 *  @since X.X

    46 */

    47 NONSHARABLE_CLASS(CAMMSAudioOutputControl)

    48         : public CAMMSControl, public MMMAPlayerStateListener ,public MAudioOutputObserver,public MAccMonitorObserver

    49 {

    50 public:

    51     // Constructors and destructor

    52     /**

    53     * Two-phased constructor.

    54     * @param aPlayer Player that has this control.

    55     */

    56     static CAMMSAudioOutputControl* NewLC(CMMAPlayer* aPlayer);

    57 

    58     /**

    59     * Destructor.

    60     */

    61     ~CAMMSAudioOutputControl();

    62 

    63 public:

    64     // New functions

    65     /**

    66     * Sets the AudioOutput.

    67     *

    68     * @param aPreference The new AudioOutput to be set.

    69     */

    70     TInt SetAudioOutput(TInt aPreference);

    71 

    72     /**

    73     * Gets the Audio Routing preference.

    74     *

    75     * @return The previously set Audio Routing preference.

    76     */

    77     TInt GetAudioOutput();

    78     /**

    79     * Reset the AudioOutput java object with changed value of current

    80     */

    81     void GetCurrentPreference();

    82     /**

    83     * Gets the Audio Routing preference.

    84     *

    85     * @return The previously set Audio Routing preference. and if not set retruns the device default

    86     */

    87 

    88     TInt GetCurrentPrefInt();

    89     /**

    90     * Gets the Audio Routing Device Default.

    91     *

    92     * @returns the device default

    93     */

    94     TInt GetDeviceDefaultPreference();

    95     /**

    96     * Create an Observer to get the notification for the Headset state.

    97     * Also initializes iCurrentActualPreference with CAudioOutput::EPrivate if headset is connected.

    98     * @returns the device default

    99     */

   100     void CreateHeadsetStateObserverL();

   101     /**

   102     * Actual native control is created using this function

   103     */

   104     void CreateNativeAudioOutputControlL();

   105     /**

   106     * seting java object used to send as callback event

   107     */

   108     void SetJavaAudioOutputObject(jobject object);

   109     /**

   110     * Reset the value of java object with current values

   111     */

   112     void ResetJavaAudioOutputObject();

   113     /**

   114     * Check if there is any change in Current output Mode,It sends a event to java

   115     * If there is no change it returns silently

   116     */

   117     void NotifyJavaOnChange();

   118 

   119 

   120 public:

   121     // From MMMAPlayerStateListener

   122     void StateChanged(TInt aState);

   123 

   124 

   125 public:

   126     // From MAudioOutputObserver

   127     void DefaultAudioOutputChanged(CAudioOutput& aAudioOutput,  CAudioOutput::TAudioOutputPreference aNewDefault);

   128     void DisconnectedL(CAccMonitorInfo *aAccessoryInfo);

   129     void ConnectedL(CAccMonitorInfo* aAccessoryInfo);

   130     void AccMonitorObserverError(TInt aError);

   131 

   132 public:

   133     // Functions from base classes

   134     const TDesC& ClassName() const;

   135 

   136 protected:

   137     // New functions

   138     /**

   139     * @param aAmmsPreference AMMS preference to be set.

   140     */

   141     TInt SetAudioOutputToMmf(CAudioOutput::TAudioOutputPreference aAmmsPreference);

   142 

   143 private:

   144     /**

   145     * C++ constructor.

   146     * @param aPlayer Player that has this control.

   147     */

   148     CAMMSAudioOutputControl(CMMAPlayer* aPlayer);

   149 

   150     /**

   151     * Symbian 2nd phase constructor.

   152     */

   153     void ConstructL();

   154 

   155 private:

   156     //Data

   157     // Preference visible in AMMS.

   158     CAudioOutput::TAudioOutputPreference iRoutingUserPreference;

   159     // Preference of the device changes by inserting/removing Jack.

   160     CAudioOutput::TAudioOutputPreference iDefaultDevicePreference;

   161     // Preference of the device changes by inserting/removing Jack.

   162     TInt iCurrentPreference;

   163     // owned

   164     CAudioOutput* iAudioOutput;

   165     CMMAPlayer::TPlayerState playerState;

   166     //To get the peripheral attached/detached notification

   167     CAccMonitorInfo* iAccessoryInfo;

   168     RAccMonCapabilityArray capabilityArray;

   169     CAccMonitor *iAccMonitor;

   170     RConnectedAccessories array;

   171     jobject iJavaAudioOutputObj;

   172     JNIEnv* iJni;

   173 

   174 };

   175 

   176 #endif // CAMMSAUDIOOUTPUTCONTROL_H

   177 

   178