Extract MovieViewControl from MovieView. The first step to integrate

movie view into ViewImage.

1 files changed, 221 insertions, 0 deletions

diff --git a/src/com/android/camera/MovieViewControl.java b/src/com/android/camera/MovieViewControl.java
new file mode 100644
index 0000000..b17c41f
--- /dev/null
+++ b/src/com/android/camera/MovieViewControl.java
@@ -0,0 +1,221 @@
+package com.android.camera;
+
+import android.app.AlertDialog;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.DialogInterface.OnCancelListener;
+import android.content.DialogInterface.OnClickListener;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteException;
+import android.media.MediaPlayer;
+import android.net.Uri;
+import android.os.Handler;
+import android.provider.MediaStore;
+import android.provider.MediaStore.Video;
+import android.view.View;
+import android.widget.MediaController;
+import android.widget.VideoView;
+
+public class MovieViewControl implements MediaPlayer.OnErrorListener,
+        MediaPlayer.OnCompletionListener {
+
+    @SuppressWarnings("unused")
+    private static final String TAG = "MovieViewControl";
+
+    private static final int ONE_MINUTE = 60 * 1000;
+    private static final int TWO_MINUTES = 2 * ONE_MINUTE;
+    private static final int FIVE_MINUTES = 5 * ONE_MINUTE;
+
+    // Copied from MediaPlaybackService in the Music Player app. Should be
+    // public, but isn't.
+    private static final String SERVICECMD =
+            "com.android.music.musicservicecommand";
+    private static final String CMDNAME = "command";
+    private static final String CMDPAUSE = "pause";
+
+    private final VideoView mVideoView;
+    private final View mProgressView;
+    private final Uri mUri;
+    private final ContentResolver mContentResolver;
+
+    // State maintained for proper onPause/OnResume behaviour.
+    private int mPositionWhenPaused = -1;
+    private boolean mWasPlayingWhenPaused = false;
+
+    Handler mHandler = new Handler();
+
+    Runnable mPlayingChecker = new Runnable() {
+        public void run() {
+            if (mVideoView.isPlaying()) {
+                mProgressView.setVisibility(View.GONE);
+            } else {
+                mHandler.postDelayed(mPlayingChecker, 250);
+            }
+        }
+    };
+
+    public MovieViewControl(View rootView, Context context, Uri videoUri) {
+        mContentResolver = context.getContentResolver();
+        mVideoView = (VideoView) rootView.findViewById(R.id.surface_view);
+        mProgressView = rootView.findViewById(R.id.progress_indicator);
+
+        mUri = videoUri;
+
+        // For streams that we expect to be slow to start up, show a
+        // progress spinner until playback starts.
+        String scheme = mUri.getScheme();
+        if ("http".equalsIgnoreCase(scheme)
+                || "rtsp".equalsIgnoreCase(scheme)) {
+            mHandler.postDelayed(mPlayingChecker, 250);
+        } else {
+            mProgressView.setVisibility(View.GONE);
+        }
+
+        mVideoView.setOnErrorListener(this);
+        mVideoView.setOnCompletionListener(this);
+        mVideoView.setVideoURI(mUri);
+        mVideoView.setMediaController(new MediaController(context));
+
+        // make the video view handle keys for seeking and pausing
+        mVideoView.requestFocus();
+
+        Intent i = new Intent(SERVICECMD);
+        i.putExtra(CMDNAME, CMDPAUSE);
+        context.sendBroadcast(i);
+
+        final Integer bookmark = getBookmark();
+        if (bookmark != null) {
+            AlertDialog.Builder builder = new AlertDialog.Builder(context);
+            builder.setTitle(R.string.resume_playing_title);
+            builder.setMessage(String.format(
+                    context.getString(R.string.resume_playing_message),
+                    MenuHelper.formatDuration(context, bookmark)));
+            builder.setOnCancelListener(new OnCancelListener() {
+                public void onCancel(DialogInterface dialog) {
+                    onCompletion();
+                }});
+            builder.setPositiveButton(R.string.resume_playing_resume,
+                    new OnClickListener() {
+                public void onClick(DialogInterface dialog, int which) {
+                    mVideoView.seekTo(bookmark);
+                    mVideoView.start();
+                }});
+            builder.setNegativeButton(R.string.resume_playing_restart,
+                    new OnClickListener() {
+                public void onClick(DialogInterface dialog, int which) {
+                    mVideoView.start();
+                }});
+            builder.show();
+        } else {
+            mVideoView.start();
+        }
+    }
+
+    private static boolean uriSupportsBookmarks(Uri uri) {
+        String scheme = uri.getScheme();
+        String authority = uri.getAuthority();
+        return ("content".equalsIgnoreCase(scheme)
+                && MediaStore.AUTHORITY.equalsIgnoreCase(authority));
+    }
+
+    private Integer getBookmark() {
+        if (!uriSupportsBookmarks(mUri)) {
+            return null;
+        }
+
+        String[] projection = new String[] {
+                Video.VideoColumns.DURATION,
+                Video.VideoColumns.BOOKMARK};
+
+        try {
+            Cursor cursor = mContentResolver.query(
+                    mUri, projection, null, null, null);
+            if (cursor != null) {
+                try {
+                    if (cursor.moveToFirst()) {
+                        int duration = getCursorInteger(cursor, 0);
+                        int bookmark = getCursorInteger(cursor, 1);
+                        if ((bookmark < TWO_MINUTES)
+                                || (duration < FIVE_MINUTES)
+                                || (bookmark > (duration - ONE_MINUTE))) {
+                            return null;
+                        }
+                        return Integer.valueOf(bookmark);
+                    }
+                } finally {
+                    cursor.close();
+                }
+            }
+        } catch (SQLiteException e) {
+            // ignore
+        }
+
+        return null;
+    }
+
+    private static int getCursorInteger(Cursor cursor, int index) {
+        try {
+            return cursor.getInt(index);
+        } catch (SQLiteException e) {
+            return 0;
+        } catch (NumberFormatException e) {
+            return 0;
+        }
+
+    }
+
+    private void setBookmark(int bookmark) {
+        if (!uriSupportsBookmarks(mUri)) {
+            return;
+        }
+
+        ContentValues values = new ContentValues();
+        values.put(Video.VideoColumns.BOOKMARK, Integer.toString(bookmark));
+        try {
+            mContentResolver.update(mUri, values, null, null);
+        } catch (SecurityException ex) {
+            // Ignore, can happen if we try to set the bookmark on a read-only
+            // resource such as a video attached to GMail.
+        } catch (SQLiteException e) {
+            // ignore. can happen if the content doesn't support a bookmark
+            // column.
+        } catch (UnsupportedOperationException e) {
+            // ignore. can happen if the external volume is already detached.
+        }
+    }
+
+    public void onPause() {
+        mHandler.removeCallbacksAndMessages(null);
+        setBookmark(mVideoView.getCurrentPosition());
+
+        mPositionWhenPaused = mVideoView.getCurrentPosition();
+        mWasPlayingWhenPaused = mVideoView.isPlaying();
+        mVideoView.stopPlayback();
+    }
+
+    public void onResume() {
+        if (mPositionWhenPaused >= 0) {
+            mVideoView.setVideoURI(mUri);
+            mVideoView.seekTo(mPositionWhenPaused);
+            if (mWasPlayingWhenPaused) {
+                mVideoView.start();
+            }
+        }
+    }
+
+    public boolean onError(MediaPlayer player, int arg1, int arg2) {
+        mHandler.removeCallbacksAndMessages(null);
+        mProgressView.setVisibility(View.GONE);
+        return false;
+    }
+
+    public void onCompletion(MediaPlayer mp) {
+        onCompletion();
+    }
+
+    public void onCompletion() {
+    }
+}