Ported PlaybackController to DB*-classes
This commit is contained in:
daniel oeh
parent
e28229a29c
commit
9f36cecf4b
@ -4,6 +4,8 @@ import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.util.List;
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import android.content.Context;
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import de.danoeh.antennapod.storage.DBReader;
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import org.apache.commons.io.IOUtils;
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import android.content.SharedPreferences;
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@ -13,261 +15,274 @@ import android.util.Log;
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import de.danoeh.antennapod.asynctask.ImageLoader;
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import de.danoeh.antennapod.feed.Chapter;
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import de.danoeh.antennapod.feed.Feed;
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import de.danoeh.antennapod.feed.FeedManager;
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import de.danoeh.antennapod.feed.FeedMedia;
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import de.danoeh.antennapod.feed.MediaType;
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/** Interface for objects that can be played by the PlaybackService. */
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/**
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* Interface for objects that can be played by the PlaybackService.
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*/
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public interface Playable extends Parcelable,
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ImageLoader.ImageWorkerTaskResource {
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ImageLoader.ImageWorkerTaskResource {
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/**
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* Save information about the playable in a preference so that it can be
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* restored later via PlayableUtils.createInstanceFromPreferences.
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* Implementations must NOT call commit() after they have written the values
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* to the preferences file.
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*/
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public void writeToPreferences(SharedPreferences.Editor prefEditor);
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/**
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* Save information about the playable in a preference so that it can be
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* restored later via PlayableUtils.createInstanceFromPreferences.
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* Implementations must NOT call commit() after they have written the values
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* to the preferences file.
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*/
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public void writeToPreferences(SharedPreferences.Editor prefEditor);
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/**
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* This method is called from a separate thread by the PlaybackService.
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* Playable objects should load their metadata in this method. This method
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* should execute as quickly as possible and NOT load chapter marks if no
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* local file is available.
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*/
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public void loadMetadata() throws PlayableException;
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/**
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* This method is called from a separate thread by the PlaybackService.
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* Playable objects should load their metadata in this method. This method
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* should execute as quickly as possible and NOT load chapter marks if no
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* local file is available.
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*/
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public void loadMetadata() throws PlayableException;
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/**
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* This method is called from a separate thread by the PlaybackService.
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* Playable objects should load their chapter marks in this method if no
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* local file was available when loadMetadata() was called.
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*/
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public void loadChapterMarks();
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/**
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* This method is called from a separate thread by the PlaybackService.
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* Playable objects should load their chapter marks in this method if no
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* local file was available when loadMetadata() was called.
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*/
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public void loadChapterMarks();
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/** Returns the title of the episode that this playable represents */
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public String getEpisodeTitle();
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/**
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* Returns the title of the episode that this playable represents
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*/
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public String getEpisodeTitle();
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/**
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* Loads shownotes. If the shownotes have to be loaded from a file or from a
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* database, it should be done in a separate thread. After the shownotes
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* have been loaded, callback.onShownotesLoaded should be called.
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*/
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public void loadShownotes(ShownoteLoaderCallback callback);
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/**
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* Loads shownotes. If the shownotes have to be loaded from a file or from a
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* database, it should be done in a separate thread. After the shownotes
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* have been loaded, callback.onShownotesLoaded should be called.
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*/
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public void loadShownotes(ShownoteLoaderCallback callback);
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/**
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* Returns a list of chapter marks or null if this Playable has no chapters.
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*/
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public List<Chapter> getChapters();
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/**
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* Returns a list of chapter marks or null if this Playable has no chapters.
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*/
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public List<Chapter> getChapters();
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/** Returns a link to a website that is meant to be shown in a browser */
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public String getWebsiteLink();
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/**
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* Returns a link to a website that is meant to be shown in a browser
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*/
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public String getWebsiteLink();
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public String getPaymentLink();
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public String getPaymentLink();
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/** Returns the title of the feed this Playable belongs to. */
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public String getFeedTitle();
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/**
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* Returns the title of the feed this Playable belongs to.
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*/
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public String getFeedTitle();
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/**
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* Returns a unique identifier, for example a file url or an ID from a
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* database.
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*/
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public Object getIdentifier();
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/**
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* Returns a unique identifier, for example a file url or an ID from a
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* database.
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*/
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public Object getIdentifier();
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/** Return duration of object or 0 if duration is unknown. */
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public int getDuration();
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/**
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* Return duration of object or 0 if duration is unknown.
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*/
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public int getDuration();
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/** Return position of object or 0 if position is unknown. */
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public int getPosition();
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/**
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* Return position of object or 0 if position is unknown.
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*/
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public int getPosition();
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/**
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* Returns the type of media. This method should return the correct value
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* BEFORE loadMetadata() is called.
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*/
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public MediaType getMediaType();
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/**
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* Returns the type of media. This method should return the correct value
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* BEFORE loadMetadata() is called.
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*/
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public MediaType getMediaType();
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/**
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* Returns an url to a local file that can be played or null if this file
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* does not exist.
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*/
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public String getLocalMediaUrl();
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/**
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* Returns an url to a local file that can be played or null if this file
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* does not exist.
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*/
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public String getLocalMediaUrl();
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/**
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* Returns an url to a file that can be streamed by the player or null if
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* this url is not known.
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*/
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public String getStreamUrl();
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/**
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* Returns an url to a file that can be streamed by the player or null if
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* this url is not known.
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*/
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public String getStreamUrl();
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/**
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* Returns true if a local file that can be played is available. getFileUrl
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* MUST return a non-null string if this method returns true.
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*/
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public boolean localFileAvailable();
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/**
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* Returns true if a local file that can be played is available. getFileUrl
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* MUST return a non-null string if this method returns true.
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*/
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public boolean localFileAvailable();
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/**
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* Returns true if a streamable file is available. getStreamUrl MUST return
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* a non-null string if this method returns true.
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*/
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public boolean streamAvailable();
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/**
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* Returns true if a streamable file is available. getStreamUrl MUST return
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* a non-null string if this method returns true.
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*/
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public boolean streamAvailable();
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/**
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* Saves the current position of this object. Implementations can use the
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* provided SharedPreference to save this information and retrieve it later
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* via PlayableUtils.createInstanceFromPreferences.
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*/
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public void saveCurrentPosition(SharedPreferences pref, int newPosition);
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/**
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* Saves the current position of this object. Implementations can use the
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* provided SharedPreference to save this information and retrieve it later
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* via PlayableUtils.createInstanceFromPreferences.
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*/
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public void saveCurrentPosition(SharedPreferences pref, int newPosition);
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public void setPosition(int newPosition);
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public void setPosition(int newPosition);
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public void setDuration(int newDuration);
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public void setDuration(int newDuration);
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/** Is called by the PlaybackService when playback starts. */
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public void onPlaybackStart();
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/**
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* Is called by the PlaybackService when playback starts.
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*/
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public void onPlaybackStart();
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/** Is called by the PlaybackService when playback is completed. */
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public void onPlaybackCompleted();
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/**
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* Is called by the PlaybackService when playback is completed.
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*/
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public void onPlaybackCompleted();
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/**
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* Returns an integer that must be unique among all Playable classes. The
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* return value is later used by PlayableUtils to determine the type of the
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* Playable object that is restored.
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*/
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public int getPlayableType();
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/**
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* Returns an integer that must be unique among all Playable classes. The
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* return value is later used by PlayableUtils to determine the type of the
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* Playable object that is restored.
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*/
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public int getPlayableType();
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public void setChapters(List<Chapter> chapters);
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public void setChapters(List<Chapter> chapters);
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/** Provides utility methods for Playable objects. */
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public static class PlayableUtils {
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private static final String TAG = "PlayableUtils";
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/**
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* Provides utility methods for Playable objects.
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*/
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public static class PlayableUtils {
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private static final String TAG = "PlayableUtils";
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/**
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* Restores a playable object from a sharedPreferences file.
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*
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* @param type
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* An integer that represents the type of the Playable object
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* that is restored.
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* @param pref
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* The SharedPreferences file from which the Playable object
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* is restored
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* @return The restored Playable object
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*/
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public static Playable createInstanceFromPreferences(int type,
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SharedPreferences pref) {
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// ADD new Playable types here:
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switch (type) {
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case FeedMedia.PLAYABLE_TYPE_FEEDMEDIA:
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long feedId = pref.getLong(FeedMedia.PREF_FEED_ID, -1);
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long mediaId = pref.getLong(FeedMedia.PREF_MEDIA_ID, -1);
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if (feedId != -1 && mediaId != -1) {
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Feed feed = FeedManager.getInstance().getFeed(feedId);
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if (feed != null) {
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return FeedManager.getInstance().getFeedMedia(mediaId,
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feed);
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}
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}
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break;
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case ExternalMedia.PLAYABLE_TYPE_EXTERNAL_MEDIA:
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String source = pref.getString(ExternalMedia.PREF_SOURCE_URL,
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null);
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String mediaType = pref.getString(
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ExternalMedia.PREF_MEDIA_TYPE, null);
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if (source != null && mediaType != null) {
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int position = pref.getInt(ExternalMedia.PREF_POSITION, 0);
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return new ExternalMedia(source,
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MediaType.valueOf(mediaType), position);
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}
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break;
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}
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Log.e(TAG, "Could not restore Playable object from preferences");
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return null;
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}
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}
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/**
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* Restores a playable object from a sharedPreferences file. This method might load data from the database,
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* depending on the type of playable that was restored.
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*
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* @param type An integer that represents the type of the Playable object
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* that is restored.
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* @param pref The SharedPreferences file from which the Playable object
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* is restored
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* @return The restored Playable object
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*/
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public static Playable createInstanceFromPreferences(Context context, int type,
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SharedPreferences pref) {
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// ADD new Playable types here:
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switch (type) {
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case FeedMedia.PLAYABLE_TYPE_FEEDMEDIA:
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long mediaId = pref.getLong(FeedMedia.PREF_MEDIA_ID, -1);
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if (mediaId != -1) {
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return DBReader.getFeedMedia(context, mediaId);
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}
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break;
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case ExternalMedia.PLAYABLE_TYPE_EXTERNAL_MEDIA:
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String source = pref.getString(ExternalMedia.PREF_SOURCE_URL,
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null);
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String mediaType = pref.getString(
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ExternalMedia.PREF_MEDIA_TYPE, null);
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if (source != null && mediaType != null) {
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int position = pref.getInt(ExternalMedia.PREF_POSITION, 0);
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return new ExternalMedia(source,
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MediaType.valueOf(mediaType), position);
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}
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break;
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}
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Log.e(TAG, "Could not restore Playable object from preferences");
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return null;
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}
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}
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public static class PlayableException extends Exception {
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private static final long serialVersionUID = 1L;
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public static class PlayableException extends Exception {
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private static final long serialVersionUID = 1L;
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public PlayableException() {
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super();
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}
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public PlayableException() {
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super();
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}
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public PlayableException(String detailMessage, Throwable throwable) {
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super(detailMessage, throwable);
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}
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public PlayableException(String detailMessage, Throwable throwable) {
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super(detailMessage, throwable);
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}
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public PlayableException(String detailMessage) {
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super(detailMessage);
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}
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public PlayableException(String detailMessage) {
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super(detailMessage);
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}
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public PlayableException(Throwable throwable) {
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super(throwable);
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}
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public PlayableException(Throwable throwable) {
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super(throwable);
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}
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}
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}
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public static interface ShownoteLoaderCallback {
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void onShownotesLoaded(String shownotes);
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}
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public static interface ShownoteLoaderCallback {
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void onShownotesLoaded(String shownotes);
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}
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/** Uses local file as image resource if it is available. */
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public static class DefaultPlayableImageLoader implements
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ImageLoader.ImageWorkerTaskResource {
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private Playable playable;
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/**
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* Uses local file as image resource if it is available.
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*/
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public static class DefaultPlayableImageLoader implements
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ImageLoader.ImageWorkerTaskResource {
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private Playable playable;
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public DefaultPlayableImageLoader(Playable playable) {
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if (playable == null) {
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throw new IllegalArgumentException("Playable must not be null");
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}
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this.playable = playable;
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}
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public DefaultPlayableImageLoader(Playable playable) {
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if (playable == null) {
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throw new IllegalArgumentException("Playable must not be null");
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}
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this.playable = playable;
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}
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@Override
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public InputStream openImageInputStream() {
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if (playable.localFileAvailable()
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&& playable.getLocalMediaUrl() != null) {
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MediaMetadataRetriever mmr = new MediaMetadataRetriever();
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try {
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mmr.setDataSource(playable.getLocalMediaUrl());
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} catch (IllegalArgumentException e) {
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e.printStackTrace();
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return null;
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}
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byte[] imgData = mmr.getEmbeddedPicture();
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if (imgData != null) {
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return new PublicByteArrayInputStream(imgData);
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@Override
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public InputStream openImageInputStream() {
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if (playable.localFileAvailable()
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&& playable.getLocalMediaUrl() != null) {
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MediaMetadataRetriever mmr = new MediaMetadataRetriever();
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try {
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mmr.setDataSource(playable.getLocalMediaUrl());
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} catch (IllegalArgumentException e) {
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e.printStackTrace();
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return null;
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}
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byte[] imgData = mmr.getEmbeddedPicture();
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if (imgData != null) {
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return new PublicByteArrayInputStream(imgData);
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}
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}
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return null;
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}
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}
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}
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return null;
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}
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@Override
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public String getImageLoaderCacheKey() {
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return playable.getLocalMediaUrl();
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}
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@Override
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public String getImageLoaderCacheKey() {
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return playable.getLocalMediaUrl();
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}
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@Override
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public InputStream reopenImageInputStream(InputStream input) {
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if (input instanceof PublicByteArrayInputStream) {
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IOUtils.closeQuietly(input);
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byte[] imgData = ((PublicByteArrayInputStream) input)
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.getByteArray();
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if (imgData != null) {
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ByteArrayInputStream out = new ByteArrayInputStream(imgData);
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return out;
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}
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@Override
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public InputStream reopenImageInputStream(InputStream input) {
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if (input instanceof PublicByteArrayInputStream) {
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IOUtils.closeQuietly(input);
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byte[] imgData = ((PublicByteArrayInputStream) input)
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.getByteArray();
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if (imgData != null) {
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ByteArrayInputStream out = new ByteArrayInputStream(imgData);
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return out;
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}
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}
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return null;
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}
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}
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return null;
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}
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private static class PublicByteArrayInputStream extends
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ByteArrayInputStream {
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public PublicByteArrayInputStream(byte[] buf) {
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super(buf);
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}
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private static class PublicByteArrayInputStream extends
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ByteArrayInputStream {
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public PublicByteArrayInputStream(byte[] buf) {
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super(buf);
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}
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public byte[] getByteArray() {
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return buf;
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}
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}
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}
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public byte[] getByteArray() {
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return buf;
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}
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}
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}
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}
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