Support html5 video switching b/t full screen and inline mode

bug:2126902

Change-Id: I5c4b25358c76e35f0f51794d6d04fcc5098a0d70

1 files changed, 143 insertions, 83 deletions

diff --git a/core/java/android/webkit/HTML5VideoView.java b/core/java/android/webkit/HTML5VideoView.java
index 2312160f5c66..ade7106fb093 100644
--- a/core/java/android/webkit/HTML5VideoView.java
+++ b/core/java/android/webkit/HTML5VideoView.java
@@ -4,72 +4,93 @@ package android.webkit;
 import android.graphics.SurfaceTexture;
 import android.media.MediaPlayer;
 import android.util.Log;
+import android.view.SurfaceView;
 import android.webkit.HTML5VideoViewProxy;
-import android.widget.MediaController;
-import android.opengl.GLES20;
 import java.io.IOException;
+import java.util.HashMap;
 import java.util.Map;
+import java.util.Timer;
+import java.util.TimerTask;
 
 /**
  * @hide This is only used by the browser
  */
 public class HTML5VideoView implements MediaPlayer.OnPreparedListener{
-    // Due to the fact that SurfaceTexture consume a lot of memory, we make it
-    // as static. m_textureNames is the texture bound with this SurfaceTexture.
-    private static SurfaceTexture mSurfaceTexture = null;
-    private static int[] mTextureNames;
 
-    // Only when the video is prepared, we render using SurfaceTexture.
-    // This in fact is used to avoid showing the obsolete content when
-    // switching videos.
-    private static boolean mReadyToUseSurfTex = false;
+    protected static final String LOGTAG = "HTML5VideoView";
+
+    protected static final String COOKIE = "Cookie";
+    protected static final String HIDE_URL_LOGS = "x-hide-urls-from-log";
 
     // For handling the seekTo before prepared, we need to know whether or not
     // the video is prepared. Therefore, we differentiate the state between
     // prepared and not prepared.
     // When the video is not prepared, we will have to save the seekTo time,
     // and use it when prepared to play.
-    private static final int STATE_NOTPREPARED        = 0;
-    private static final int STATE_PREPARED           = 1;
+    protected static final int STATE_NOTPREPARED        = 0;
+    protected static final int STATE_PREPARED           = 1;
 
-    // We only need state for handling seekTo
-    private int mCurrentState;
+    protected int mCurrentState;
 
-    // Basically for calling back the OnPrepared in the proxy
-    private HTML5VideoViewProxy mProxy;
+    protected HTML5VideoViewProxy mProxy;
 
     // Save the seek time when not prepared. This can happen when switching
     // video besides initial load.
-    private int mSaveSeekTime;
+    protected int mSaveSeekTime;
 
     // This is used to find the VideoLayer on the native side.
-    private int mVideoLayerId;
+    protected int mVideoLayerId;
 
     // Every video will have one MediaPlayer. Given the fact we only have one
     // SurfaceTexture, there is only one MediaPlayer in action. Every time we
     // switch videos, a new instance of MediaPlayer will be created in reset().
-    private MediaPlayer mPlayer;
+    // Switching between inline and full screen will also create a new instance.
+    protected MediaPlayer mPlayer;
+
+    // This will be set up every time we create the Video View object.
+    // Set to true only when switching into full screen while playing
+    protected boolean mAutostart;
+
+    // We need to save such info.
+    protected String mUri;
+    protected Map<String, String> mHeaders;
 
-    private static HTML5VideoView mInstance = new HTML5VideoView();
+    // The timer for timeupate events.
+    // See http://www.whatwg.org/specs/web-apps/current-work/#event-media-timeupdate
+    protected static Timer mTimer;
 
-    // Video control FUNCTIONS:
+    // The spec says the timer should fire every 250 ms or less.
+    private static final int TIMEUPDATE_PERIOD = 250;  // ms
+
+    // common Video control FUNCTIONS:
     public void start() {
         if (mCurrentState == STATE_PREPARED) {
             mPlayer.start();
-            mReadyToUseSurfTex = true;
         }
     }
 
     public void pause() {
-        mPlayer.pause();
+        if (mCurrentState == STATE_PREPARED && mPlayer.isPlaying()) {
+            mPlayer.pause();
+        }
+        if (mTimer != null) {
+            mTimer.purge();
+        }
     }
 
     public int getDuration() {
-        return mPlayer.getDuration();
+        if (mCurrentState == STATE_PREPARED) {
+            return mPlayer.getDuration();
+        } else {
+            return -1;
+        }
     }
 
     public int getCurrentPosition() {
-        return mPlayer.getCurrentPosition();
+        if (mCurrentState == STATE_PREPARED) {
+            return mPlayer.getCurrentPosition();
+        }
+        return 0;
     }
 
     public void seekTo(int pos) {
@@ -88,54 +109,51 @@ public class HTML5VideoView implements MediaPlayer.OnPreparedListener{
     }
 
     public void stopPlayback() {
-        mPlayer.stop();
+        if (mCurrentState == STATE_PREPARED) {
+            mPlayer.stop();
+        }
     }
 
-    private void reset(int videoLayerId) {
+    public boolean getAutostart() {
+        return mAutostart;
+    }
+
+    // Every time we start a new Video, we create a VideoView and a MediaPlayer
+    public void init(int videoLayerId, int position, boolean autoStart) {
         mPlayer = new MediaPlayer();
         mCurrentState = STATE_NOTPREPARED;
         mProxy = null;
         mVideoLayerId = videoLayerId;
-        mReadyToUseSurfTex = false;
+        mSaveSeekTime = position;
+        mAutostart = autoStart;
     }
 
-    public static HTML5VideoView getInstance(int videoLayerId) {
-        // Every time we switch between the videos, a new MediaPlayer will be
-        // created. Make sure we call the m_player.release() when it is done.
-        mInstance.reset(videoLayerId);
-        return mInstance;
+    protected HTML5VideoView() {
     }
 
-    private HTML5VideoView() {
-        // This is a singleton across WebViews (i.e. Tabs).
-        // HTML5VideoViewProxy will reset the internal state every time a new
-        // video start.
-    }
+    protected static Map<String, String> generateHeaders(String url,
+            HTML5VideoViewProxy proxy) {
+        boolean isPrivate = proxy.getWebView().isPrivateBrowsingEnabled();
+        String cookieValue = CookieManager.getInstance().getCookie(url, isPrivate);
+        Map<String, String> headers = new HashMap<String, String>();
+        if (cookieValue != null) {
+            headers.put(COOKIE, cookieValue);
+        }
+        if (isPrivate) {
+            headers.put(HIDE_URL_LOGS, "true");
+        }
 
-    public void setMediaController(MediaController m) {
-        this.setMediaController(m);
+        return headers;
     }
 
-    public void setVideoURI(String uri, Map<String, String> headers) {
+    public void setVideoURI(String uri, HTML5VideoViewProxy proxy) {
         // When switching players, surface texture will be reused.
-        mPlayer.setTexture(getSurfaceTextureInstance());
+        mUri = uri;
+        mHeaders = generateHeaders(uri, proxy);
 
-        // When there is exception, we could just bail out silently.
-        // No Video will be played though. Write the stack for debug
-        try {
-            mPlayer.setDataSource(uri, headers);
-            mPlayer.prepareAsync();
-        } catch (IllegalArgumentException e) {
-            e.printStackTrace();
-        } catch (IllegalStateException e) {
-            e.printStackTrace();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+        mTimer = new Timer();
     }
 
-    // TODO [FULL SCREEN SUPPORT]
-
     // Listeners setup FUNCTIONS:
     public void setOnCompletionListener(HTML5VideoViewProxy proxy) {
         mPlayer.setOnCompletionListener(proxy);
@@ -150,43 +168,47 @@ public class HTML5VideoView implements MediaPlayer.OnPreparedListener{
         mPlayer.setOnPreparedListener(this);
     }
 
-    // Inline Video specific FUNCTIONS:
+    // Normally called immediately after setVideoURI. But for full screen,
+    // this should be after surface holder created
+    public void prepareDataAndDisplayMode(HTML5VideoViewProxy proxy) {
+        // SurfaceTexture will be created lazily here for inline mode
+        decideDisplayMode();
 
-    public SurfaceTexture getSurfaceTexture() {
-        return mSurfaceTexture;
-    }
+        setOnCompletionListener(proxy);
+        setOnPreparedListener(proxy);
+        setOnErrorListener(proxy);
 
-    public void deleteSurfaceTexture() {
-        mSurfaceTexture = null;
-        return;
-    }
-
-    // SurfaceTexture is a singleton here , too
-    private SurfaceTexture getSurfaceTextureInstance() {
-        // Create the surface texture.
-        if (mSurfaceTexture == null)
-        {
-            mTextureNames = new int[1];
-            GLES20.glGenTextures(1, mTextureNames, 0);
-            mSurfaceTexture = new SurfaceTexture(mTextureNames[0]);
+        // When there is exception, we could just bail out silently.
+        // No Video will be played though. Write the stack for debug
+        try {
+            mPlayer.setDataSource(mUri, mHeaders);
+            mPlayer.prepareAsync();
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
         }
-        return mSurfaceTexture;
     }
 
-    public int getTextureName() {
-        return mTextureNames[0];
-    }
 
+    // Common code
     public int getVideoLayerId() {
         return mVideoLayerId;
     }
 
-    public boolean getReadyToUseSurfTex() {
-        return mReadyToUseSurfTex;
-    }
+    private static final class TimeupdateTask extends TimerTask {
+        private HTML5VideoViewProxy mProxy;
 
-    public void setFrameAvailableListener(SurfaceTexture.OnFrameAvailableListener l) {
-        mSurfaceTexture.setOnFrameAvailableListener(l);
+        public TimeupdateTask(HTML5VideoViewProxy proxy) {
+            mProxy = proxy;
+        }
+
+        @Override
+        public void run() {
+            mProxy.onTimeupdate();
+        }
     }
 
     @Override
@@ -195,6 +217,9 @@ public class HTML5VideoView implements MediaPlayer.OnPreparedListener{
         seekTo(mSaveSeekTime);
         if (mProxy != null)
             mProxy.onPrepared(mp);
+
+        mTimer.schedule(new TimeupdateTask(mProxy), TIMEUPDATE_PERIOD, TIMEUPDATE_PERIOD);
+
     }
 
     // Pause the play and update the play/pause button
@@ -205,7 +230,42 @@ public class HTML5VideoView implements MediaPlayer.OnPreparedListener{
                 proxy.dispatchOnPaused();
             }
         }
-        mReadyToUseSurfTex = false;
+    }
+
+    // Below are functions that are different implementation on inline and full-
+    // screen mode. Some are specific to one type, but currently are called
+    // directly from the proxy.
+    public void enterFullScreenVideoState(int layerId,
+            HTML5VideoViewProxy proxy, WebView webView) {
+    }
+
+    public boolean isFullScreenMode() {
+        return false;
+    }
+
+    public SurfaceView getSurfaceView() {
+        return null;
+    }
+
+    public void decideDisplayMode() {
+    }
+
+    public void prepareForFullScreen() {
+    }
+
+    public boolean getReadyToUseSurfTex() {
+        return false;
+    }
+
+    public SurfaceTexture getSurfaceTexture() {
+        return null;
+    }
+
+    public void deleteSurfaceTexture() {
+    }
+
+    public int getTextureName() {
+        return 0;
     }
 
 }