1 files changed, 72 insertions, 0 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/recents/DozeTrigger.java b/packages/SystemUI/src/com/android/systemui/recents/DozeTrigger.java
new file mode 100644
index 0000000..247aa6f
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/DozeTrigger.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2014 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.systemui.recents;
+
+import android.os.Handler;
+
+/**
+ * A dozer is a class that fires a trigger after it falls asleep.  You can occasionally poke it to
+ * wake it up, but it will fall asleep if left untouched.
+ */
+public class DozeTrigger {
+
+    Handler mHandler;
+
+    boolean mIsDozing;
+    boolean mHasTriggered;
+    int mDozeDurationSeconds;
+    Runnable mSleepRunnable;
+
+    // Sleep-runnable
+    Runnable mDozeRunnable = new Runnable() {
+        @Override
+        public void run() {
+            mSleepRunnable.run();
+            mIsDozing = false;
+            mHasTriggered = true;
+        }
+    };
+
+    public DozeTrigger(int dozeDurationSeconds, Runnable sleepRunnable) {
+        mHandler = new Handler();
+        mDozeDurationSeconds = dozeDurationSeconds;
+        mSleepRunnable = sleepRunnable;
+    }
+
+    /** Starts dozing. This also resets the trigger flag. */
+    public void startDozing() {
+        poke();
+        mHasTriggered = false;
+    }
+
+    /** Poke this dozer to wake it up for a little bit. */
+    public void poke() {
+        mHandler.removeCallbacks(mDozeRunnable);
+        mHandler.postDelayed(mDozeRunnable, mDozeDurationSeconds * 1000);
+        mIsDozing = true;
+    }
+
+    /** Returns whether we are dozing or not. */
+    public boolean isDozing() {
+        return mIsDozing;
+    }
+
+    /** Returns whether the trigger has fired at least once. */
+    public boolean hasTriggered() {
+        return mHasTriggered;
+    }
+}