android 8.1 修改禁止状态栏下拉

提供接口给三方，三方发一个广播，就需要禁止下拉状态，下面是自测通过的代码修改。
Index: src/com/android/systemui/statusbar/phone/NotificationPanelView.java===================================================================--- src/com/android/systemui/statusbar/phone/NotificationPanelView.java(revision 147)+++ src/com/android/systemui/statusbar/phone/NotificationPanelView.java(working copy)@@ -70,6 +70,13 @@  import java.util.List; +/*[FEATURE]-Add-BEGIN by ssss, 27/07/2017, Status change state */+import android.content.Intent;+import android.content.IntentFilter;+import android.content.BroadcastReceiver;+import android.util.Log;+import android.util.Slog;+/*[FEATURE]-Add-END by ssss*/ public class NotificationPanelView extends PanelView implements         ExpandableView.OnHeightChangedListener,         View.OnClickListener, NotificationStackScrollLayout.OnOverscrollTopChangedListener,@@ -109,7 +116,9 @@     private int mTrackingPointer;     private VelocityTracker mVelocityTracker;     private boolean mQsTracking;-+/*[FEATURE]-Add-BEGIN by ssss, 27/07/2017, Status change state */+private static boolean mPanelState = true;+/*[FEATURE]-Add-END by ssss*/     /**      * If set, the ongoing touch gesture might both trigger the expansion in {@link PanelView} and      * the expansion for quick settings.@@ -214,6 +223,14 @@         super(context, attrs);         setWillNotDraw(!DEBUG);         mFalsingManager = FalsingManager.getInstance(context);++/*[FEATURE]-Add-BEGIN by ssss, 27/07/2017, Status change state */+IntentFilter filter = new IntentFilter();+filter = new IntentFilter();+filter.addAction("android.intent.action.PANEL_ENABLE");+        filter.addAction("android.intent.action.PANEL_DISABLED");+        context.registerReceiver(mPanelReceiver, filter);+/*[FEATURE]-Add-END by ssss*/     }      public void setStatusBar(PhoneStatusBar bar) {@@ -307,7 +324,19 @@             mNotificationStackScroller.setLayoutParams(lp);         }     }-+/*[FEATURE]-Add-BEGIN by ssss, 17/06/2017, Home change state */+BroadcastReceiver mPanelReceiver = new BroadcastReceiver() {+        @Override+        public void onReceive(Context context, Intent intent) {        +            if ("android.intent.action.PANEL_ENABLE".equals(intent.getAction())) {+                mPanelState = true;+            } else if ("android.intent.action.PANEL_DISABLED".equals(intent.getAction())) {+                mPanelState = false;+            }+Slog.d(TAG, "mPanelReceiver..........mPanelState="+mPanelState);+        }+    };+/*[FEATURE]-Add-END by ssss*/     @Override     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {         super.onLayout(changed, left, top, right, bottom);@@ -575,7 +604,9 @@      @Override     public boolean onInterceptTouchEvent(MotionEvent event) {-        if (mBlockTouches || mQsContainer.isCustomizing()) {+Log.i("ssssssssss","onInterceptTouchEvent"); +       +   if (mBlockTouches || mQsContainer.isCustomizing()) {             return false;         }         initDownStates(event);@@ -764,6 +795,7 @@         return true;     } +     private boolean handleQsTouch(MotionEvent event) {         final int action = event.getActionMasked();         if (action == MotionEvent.ACTION_DOWN && getExpandedFraction() == 1f@@ -781,7 +813,9 @@         if (!isFullyCollapsed()) {             handleQsDown(event);         }-        if (!mQsExpandImmediate && mQsTracking) {+       // if (!mKeyguardShowing&&!mQsExpandImmediate && mQsTracking) {//sssssss+        if (mPanelState && !mQsExpandImmediate && mQsTracking) {//sssssss+                  onQsTouch(event);             if (!mConflictingQsExpansionGesture) {                 return true;@@ -984,6 +1018,8 @@     }      private void setQsExpanded(boolean expanded) {+if(!mPanelState) return  ;//ssssssss+         boolean changed = mQsExpanded != expanded;         if (changed) {             mQsExpanded = expanded;@@ -1359,6 +1395,7 @@             return false;         }         View header = mKeyguardShowing ? mKeyguardStatusBar : mQsContainer.getHeader();+if(!mPanelState) {header =mQsContainer.getHeader();}         boolean onHeader = x >= mQsAutoReinflateContainer.getX()                 && x <= mQsAutoReinflateContainer.getX() + mQsAutoReinflateContainer.getWidth()                 && y >= header.getTop() && y <= header.getBottom();Index: src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java===================================================================--- src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java(revision 147)+++ src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java(working copy)@@ -28,6 +28,14 @@ import com.android.systemui.EventLogTags; import com.android.systemui.R; +/*[FEATURE]-Add-BEGIN by ssss, 27/07/2017, Status change state */+import android.content.Intent;+import android.content.IntentFilter;+import android.content.BroadcastReceiver;+import android.util.Log;+import android.util.Slog;+/*[FEATURE]-Add-END by ssss*/ + public class PhoneStatusBarView extends PanelBar {     private static final String TAG = "PhoneStatusBarView";     private static final boolean DEBUG = PhoneStatusBar.DEBUG;@@ -39,6 +47,13 @@     private final PhoneStatusBarTransitions mBarTransitions;     private ScrimController mScrimController;     private float mMinFraction;+/*[FEATURE]-Add-BEGIN by ssss, 27/07/2017, Status change state */+private static boolean mPanelState = true;+/*[FEATURE]-Add-END by ssss*/++//czb add for shield/enabled status bar+private Context mContext;+    //czb add end     private float mPanelFraction;     private Runnable mHideExpandedRunnable = new Runnable() {         @Override@@ -53,6 +68,13 @@         super(context, attrs);          mBarTransitions = new PhoneStatusBarTransitions(this);+/*[FEATURE]-Add-BEGIN by ssss, 27/07/2017, Status change state */+IntentFilter filter = new IntentFilter();+filter = new IntentFilter();+filter.addAction("android.intent.action.PANEL_ENABLE");+        filter.addAction("android.intent.action.PANEL_DISABLED");+        context.registerReceiver(mPanelReceiver, filter);+/*[FEATURE]-Add-END by ssss*/     }      public BarTransitions getBarTransitions() {@@ -74,6 +96,7 @@      @Override     public boolean panelEnabled() {+//return false;         return mBar.panelsEnabled();     } @@ -118,11 +141,28 @@         }         mIsFullyOpenedPanel = true;     }-+/*[FEATURE]-Add-BEGIN by ssss, 17/06/2017, Home change state */+BroadcastReceiver mPanelReceiver = new BroadcastReceiver() {+        @Override+        public void onReceive(Context context, Intent intent) {        +            if ("android.intent.action.PANEL_ENABLE".equals(intent.getAction())) {+                mPanelState = true;+            } else if ("android.intent.action.PANEL_DISABLED".equals(intent.getAction())) {+                mPanelState = false;+            }+Slog.d(TAG, "mPanelReceiver..........mPanelState="+mPanelState);+        }+    };+/*[FEATURE]-Add-END by ssss*/     @Override     public boolean onTouchEvent(MotionEvent event) {-        boolean barConsumedEvent = mBar.interceptTouchEvent(event);+boolean barConsumedEvent = mBar.interceptTouchEvent(event); +if(!mPanelState){+return true;+}   +Slog.d(TAG, "2  onTouchEvent mPanelReceiver..........mPanelState="+mPanelState);+         if (DEBUG_GESTURES) {             if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {                 EventLog.writeEvent(EventLogTags.SYSUI_PANELBAR_TOUCH,@@ -132,8 +172,10 @@         }          return barConsumedEvent || super.onTouchEvent(event);+     } +     @Override     public void onTrackingStarted() {         super.onTrackingStarted();
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