1 files changed, 100 insertions, 0 deletions
diff --git a/tuner/src/com/android/tv/tuner/TunerPreferences.java b/tuner/src/com/android/tv/tuner/TunerPreferences.java
new file mode 100644
index 00000000..7b45b997
--- /dev/null
+++ b/tuner/src/com/android/tv/tuner/TunerPreferences.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tv.tuner;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import com.android.tv.common.CommonConstants;
+import com.android.tv.common.CommonPreferences;
+import com.android.tv.common.SoftPreconditions;
+
+/** A helper class for the tuner preferences. */
+public class TunerPreferences extends CommonPreferences {
+    private static final String TAG = "TunerPreferences";
+
+    private static final String PREFS_KEY_CHANNEL_DATA_VERSION = "channel_data_version";
+    private static final String PREFS_KEY_SCANNED_CHANNEL_COUNT = "scanned_channel_count";
+    private static final String PREFS_KEY_SCAN_DONE = "scan_done";
+    private static final String PREFS_KEY_TRICKPLAY_EXPIRED_MS = "trickplay_expired_ms";
+
+    private static final String SHARED_PREFS_NAME =
+            CommonConstants.BASE_PACKAGE + ".tuner.preferences";
+
+    public static final int CHANNEL_DATA_VERSION_NOT_SET = -1;
+
+    protected static SharedPreferences getSharedPreferences(Context context) {
+        return context.getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE);
+    }
+
+    public static synchronized int getChannelDataVersion(Context context) {
+        SoftPreconditions.checkState(sInitialized);
+        return getSharedPreferences(context)
+                .getInt(
+                        TunerPreferences.PREFS_KEY_CHANNEL_DATA_VERSION,
+                        CHANNEL_DATA_VERSION_NOT_SET);
+    }
+
+    public static synchronized void setChannelDataVersion(Context context, int version) {
+        SoftPreconditions.checkState(sInitialized);
+        getSharedPreferences(context)
+                .edit()
+                .putInt(TunerPreferences.PREFS_KEY_CHANNEL_DATA_VERSION, version)
+                .apply();
+    }
+
+    public static synchronized int getScannedChannelCount(Context context) {
+        SoftPreconditions.checkState(sInitialized);
+        return getSharedPreferences(context)
+                .getInt(TunerPreferences.PREFS_KEY_SCANNED_CHANNEL_COUNT, 0);
+    }
+
+    public static synchronized void setScannedChannelCount(Context context, int channelCount) {
+        SoftPreconditions.checkState(sInitialized);
+        getSharedPreferences(context)
+                .edit()
+                .putInt(TunerPreferences.PREFS_KEY_SCANNED_CHANNEL_COUNT, channelCount)
+                .apply();
+    }
+
+    public static synchronized boolean isScanDone(Context context) {
+        SoftPreconditions.checkState(sInitialized);
+        return getSharedPreferences(context)
+                .getBoolean(TunerPreferences.PREFS_KEY_SCAN_DONE, false);
+    }
+
+    public static synchronized void setScanDone(Context context) {
+        SoftPreconditions.checkState(sInitialized);
+        getSharedPreferences(context)
+                .edit()
+                .putBoolean(TunerPreferences.PREFS_KEY_SCAN_DONE, true)
+                .apply();
+    }
+
+    public static synchronized long getTrickplayExpiredMs(Context context) {
+        SoftPreconditions.checkState(sInitialized);
+        return getSharedPreferences(context)
+                .getLong(TunerPreferences.PREFS_KEY_TRICKPLAY_EXPIRED_MS, 0);
+    }
+
+    public static synchronized void setTrickplayExpiredMs(Context context, long timeMs) {
+        SoftPreconditions.checkState(sInitialized);
+        getSharedPreferences(context)
+                .edit()
+                .putLong(TunerPreferences.PREFS_KEY_TRICKPLAY_EXPIRED_MS, timeMs)
+                .apply();
+    }
+}