Refactor Clank cast code to use MediaNotificationManager

chrome/android/java/src/org/chromium/chrome/browser/media/remote/LockScreenTransportControl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/remote/LockScreenTransportControl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/LockScreenTransportControl.java b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/LockScreenTransportControl.java
deleted file mode 100644
index aec8b556b227a4d3f1272dcffa86ed42f495e54b..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/LockScreenTransportControl.java
+++ /dev/null
@@ -1,167 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.media.remote;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Build;
-import android.util.Log;
-import android.view.KeyEvent;
-
-import org.chromium.base.CommandLine;
-import org.chromium.base.VisibleForTesting;
-import org.chromium.chrome.browser.ChromeSwitches;
-import org.chromium.chrome.browser.media.remote.RemoteVideoInfo.PlayerState;
-
-import java.util.Set;
-
-import javax.annotation.Nullable;
-
-/**
- * An abstract base class and factory for {@link TransportControl}s that are displayed on the lock
- * screen.
- */
-public abstract class LockScreenTransportControl
-        extends TransportControl implements MediaRouteController.UiListener {
-    private static final String TAG = "LockScreenTransportControl";
-
-    private static LockScreenTransportControl sInstance;
-
-    private MediaRouteController mMediaRouteController = null;
-
-    private static final Object LOCK = new Object();
-
-    private static boolean sDebug;
-
-    // Needed to get around findbugs complaints.
-    private static void setSDebug() {
-        sDebug = CommandLine.getInstance().hasSwitch(ChromeSwitches.ENABLE_CAST_DEBUG_LOGS);
-    }
-
-    protected LockScreenTransportControl() {
-        setSDebug();
-    }
-
-    /**
-     * {@link BroadcastReceiver} that receives the media button events from the lock screen and
-     * forwards the messages on to the {@link TransportControl}'s listeners.
-     *
-     * Ideally this class should be private, but public is required to create as a
-     * BroadcastReceiver.
-     */
-    public static class MediaButtonIntentReceiver extends BroadcastReceiver {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            if (sDebug) Log.d(TAG, "Received intent: " + intent);
-            if (Intent.ACTION_MEDIA_BUTTON.equals(intent.getAction())) {
-                KeyEvent event = (KeyEvent) intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
-                LockScreenTransportControl control = LockScreenTransportControl.getIfExists();
-                if (control == null) {
-                    Log.w(TAG, "Event received when no LockScreenTransportControl exists");
-                    return;
-                }
-                Set<Listener> listeners = control.getListeners();
-
-                // Ignore ACTION_DOWN. We'll get an ACTION_UP soon enough!
-                if (event.getAction() == KeyEvent.ACTION_DOWN) return;
-
-                switch (event.getKeyCode()) {
-                    case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
-                        for (Listener listener : listeners) {
-                            if (control.isPlaying()) {
-                                listener.onPause();
-                            } else {
-                                listener.onPlay();
-                            }
-                        }
-                        break;
-                    case KeyEvent.KEYCODE_MEDIA_STOP:
-                        for (Listener listener : listeners) listener.onStop();
-                        break;
-                    default:
-                        Log.w(TAG, "Unrecognized event: " + event);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Get the unique LockScreenTransportControl, creating it if necessary.
-     * @param context The context of the activity
-     * @param mediaRouteController The current mediaRouteController, if any.
-     * @return a {@code LockScreenTransportControl} based on the platform's SDK API or null if the
-     *         current platform's SDK API is not supported.
-     */
-    public static LockScreenTransportControl getOrCreate(Context context,
-            @Nullable MediaRouteController mediaRouteController) {
-        Log.d(TAG, "getOrCreate called");
-        synchronized (LOCK) {
-            if (sInstance == null) {
-
-                // TODO(aberent) Investigate disabling the lock screen for Android L. It is
-                // supposedly deprecated, but the still seems to be the only way of controlling the
-                // wallpaper (which we set to the poster of the current video) when the phone is
-                // locked. Also, once the minSdkVersion is updated in the manifest, get rid of the
-                // code for older SDK versions.
-                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
-                    sInstance = new LockScreenTransportControlV16(context);
-                } else {
-                    sInstance = new LockScreenTransportControlV18(context);
-                }
-            }
-            sInstance.setVideoInfo(
-                    new RemoteVideoInfo(null, 0, RemoteVideoInfo.PlayerState.STOPPED, 0, null));
-
-            sInstance.mMediaRouteController = mediaRouteController;
-            return sInstance;
-        }
-    }
-
-    protected MediaRouteController getMediaRouteController() {
-        return mMediaRouteController;
-    }
-
-    /**
-     * Internal function for callbacks that need to get the current lock screen statically, but
-     * don't want to create a new one.
-     *
-     * @return the current lock screen, if any.
-     */
-    @VisibleForTesting
-    static LockScreenTransportControl getIfExists() {
-        return sInstance;
-    }
-
-    @Override
-    public void hide() {
-        onLockScreenPlaybackStateChanged(null, PlayerState.STOPPED);
-        mMediaRouteController.removeUiListener(this);
-    }
-
-    @Override
-    public void show(PlayerState initialState) {
-        mMediaRouteController.addUiListener(this);
-        onLockScreenPlaybackStateChanged(null, initialState);
-    }
-
-    @Override
-    public void setRouteController(MediaRouteController controller) {
-        synchronized (LOCK) {
-            if (sInstance != null) sInstance.mMediaRouteController = controller;
-        }
-    }
-
-    @Override
-    public void onPlaybackStateChanged(PlayerState oldState, PlayerState newState) {
-        onLockScreenPlaybackStateChanged(oldState, newState);
-    }
-
-    protected abstract void onLockScreenPlaybackStateChanged(PlayerState oldState,
-            PlayerState newState);
-
-    protected abstract boolean isPlaying();
-}