Merge "Implement Dumpable on StatusBarStateController" (e727454d) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/StatusBarStateControllerImpl.java

+72 −1

Original line number	Original line	Diff line number	Diff line
	@@ -18,15 +18,19 @@ package com.android.systemui.statusbar;

	import android.animation.ObjectAnimator;		import android.animation.ObjectAnimator;
	import android.animation.ValueAnimator;		import android.animation.ValueAnimator;
			import android.text.format.DateFormat;
	import android.util.FloatProperty;		import android.util.FloatProperty;
	import android.view.animation.Interpolator;		import android.view.animation.Interpolator;

	import com.android.internal.annotations.GuardedBy;		import com.android.internal.annotations.GuardedBy;
			import com.android.systemui.Dumpable;
	import com.android.systemui.Interpolators;		import com.android.systemui.Interpolators;
	import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;		import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;
	import com.android.systemui.statusbar.notification.stack.StackStateAnimator;		import com.android.systemui.statusbar.notification.stack.StackStateAnimator;
	import com.android.systemui.statusbar.policy.CallbackController;		import com.android.systemui.statusbar.policy.CallbackController;

			import java.io.FileDescriptor;
			import java.io.PrintWriter;
	import java.util.ArrayList;		import java.util.ArrayList;
	import java.util.Comparator;		import java.util.Comparator;

	@@ -38,8 +42,10 @@ import javax.inject.Singleton;
	*/		*/
	@Singleton		@Singleton
	public class StatusBarStateControllerImpl implements SysuiStatusBarStateController,		public class StatusBarStateControllerImpl implements SysuiStatusBarStateController,
	CallbackController<StateListener> {		CallbackController<StateListener>, Dumpable {
	private static final String TAG = "SbStateController";		private static final String TAG = "SbStateController";
			// Must be a power of 2
			private static final int HISTORY_SIZE = 32;

	private static final int MAX_STATE = StatusBarState.FULLSCREEN_USER_SWITCHER;		private static final int MAX_STATE = StatusBarState.FULLSCREEN_USER_SWITCHER;
	private static final int MIN_STATE = StatusBarState.SHADE;		private static final int MIN_STATE = StatusBarState.SHADE;
	@@ -66,6 +72,10 @@ public class StatusBarStateControllerImpl implements SysuiStatusBarStateControll
	private boolean mLeaveOpenOnKeyguardHide;		private boolean mLeaveOpenOnKeyguardHide;
	private boolean mKeyguardRequested;		private boolean mKeyguardRequested;

			// Record the HISTORY_SIZE most recent states
			private int mHistoryIndex = 0;
			private HistoricalState[] mHistoricalRecords = new HistoricalState[HISTORY_SIZE];

	/**		/**
	* If the device is currently dozing or not.		* If the device is currently dozing or not.
	*/		*/
	@@ -93,6 +103,9 @@ public class StatusBarStateControllerImpl implements SysuiStatusBarStateControll

	@Inject		@Inject
	public StatusBarStateControllerImpl() {		public StatusBarStateControllerImpl() {
			for (int i = 0; i < HISTORY_SIZE; i++) {
			mHistoricalRecords[i] = new HistoricalState();
			}
	}		}

	@Override		@Override
	@@ -108,6 +121,10 @@ public class StatusBarStateControllerImpl implements SysuiStatusBarStateControll
	if (state == mState) {		if (state == mState) {
	return false;		return false;
	}		}

			// Record the to-be mState and mLastState
			recordHistoricalState(state, mState);

	synchronized (mListeners) {		synchronized (mListeners) {
	for (RankedListener rl : new ArrayList<>(mListeners)) {		for (RankedListener rl : new ArrayList<>(mListeners)) {
	rl.mListener.onStatePreChange(mState, state);		rl.mListener.onStatePreChange(mState, state);
	@@ -281,4 +298,58 @@ public class StatusBarStateControllerImpl implements SysuiStatusBarStateControll
	public static String describe(int state) {		public static String describe(int state) {
	return StatusBarState.toShortString(state);		return StatusBarState.toShortString(state);
	}		}

			@Override
			public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
			pw.println("StatusBarStateController: ");
			pw.println(" mState=" + mState + " (" + describe(mState) + ")");
			pw.println(" mLastState=" + mLastState + " (" + describe(mLastState) + ")");
			pw.println(" mLeaveOpenOnKeyguardHide=" + mLeaveOpenOnKeyguardHide);
			pw.println(" mKeyguardRequested=" + mKeyguardRequested);
			pw.println(" mIsDozing=" + mIsDozing);
			pw.println(" Historical states:");
			// Ignore records without a timestamp
			int size = 0;
			for (int i = 0; i < HISTORY_SIZE; i++) {
			if (mHistoricalRecords[i].mTimestamp != 0) size++;
			}
			for (int i = mHistoryIndex + HISTORY_SIZE;
			i >= mHistoryIndex + HISTORY_SIZE - size + 1; i--) {
			pw.println(" (" + (mHistoryIndex + HISTORY_SIZE - i + 1) + ")"
			+ mHistoricalRecords[i & (HISTORY_SIZE - 1)]);
			}
			}

			private void recordHistoricalState(int currentState, int lastState) {
			mHistoryIndex = (mHistoryIndex + 1) % HISTORY_SIZE;
			HistoricalState state = mHistoricalRecords[mHistoryIndex];
			state.mState = currentState;
			state.mLastState = lastState;
			state.mTimestamp = System.currentTimeMillis();
			}

			/**
			* For keeping track of our previous state to help with debugging
			*/
			private static class HistoricalState {
			int mState;
			int mLastState;
			long mTimestamp;

			@Override
			public String toString() {
			if (mTimestamp != 0) {
			StringBuilder sb = new StringBuilder();
			sb.append("state=").append(mState)
			.append(" (").append(describe(mState)).append(")");
			sb.append("lastState=").append(mLastState).append(" (").append(describe(mLastState))
			.append(")");
			sb.append("timestamp=")
			.append(DateFormat.format("MM-dd HH:mm:ss", mTimestamp));

			return sb.toString();
			}
			return "Empty " + getClass().getSimpleName();
			}
			}
	}		}