Add copious navigation bar info to SystemUI dumps.

Bug: 5549288
Change-Id: I8556584e6abd22912d55dccc27ccebb6602b1bcb

Author: dsandler

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java

@@ -20,6 +20,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.content.Context;
 import android.content.res.Resources;
+import android.graphics.Rect;
 import android.os.ServiceManager;
 import android.util.AttributeSet;
 import android.util.Slog;
@@ -32,6 +33,10 @@
 import android.view.WindowManager;
 import android.widget.LinearLayout;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.lang.StringBuilder;
+
 import com.android.internal.statusbar.IStatusBarService;
 
 import com.android.systemui.R;
@@ -237,4 +242,79 @@ public void reorient() {
             Slog.d(TAG, "reorient(): rot=" + mDisplay.getRotation());
         }
     }
+
+    private String getResourceName(int resId) {
+        if (resId != 0) {
+            final android.content.res.Resources res = mContext.getResources();
+            try {
+                return res.getResourceName(resId);
+            } catch (android.content.res.Resources.NotFoundException ex) {
+                return "(unknown)";
+            }
+        } else {
+            return "(null)";
+        }
+    }
+
+    private static String visibilityToString(int vis) {
+        switch (vis) {
+            case View.INVISIBLE:
+                return "INVISIBLE";
+            case View.GONE:
+                return "GONE";
+            default:
+                return "VISIBLE";
+        }
+    }
+
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.println("NavigationBarView {");
+        final Rect r = new Rect();
+
+        pw.println(String.format("      this: " + PhoneStatusBar.viewInfo(this)
+                        + " " + visibilityToString(getVisibility())));
+
+        getWindowVisibleDisplayFrame(r);
+        final boolean offscreen = r.right > mDisplay.getRawWidth()
+            || r.bottom > mDisplay.getRawHeight();
+        pw.println("      window: " 
+                + r.toShortString()
+                + " " + visibilityToString(getWindowVisibility())
+                + (offscreen ? " OFFSCREEN!" : ""));
+
+        pw.println(String.format("      mCurrentView: id=%s (%dx%d) %s",
+                        getResourceName(mCurrentView.getId()),
+                        mCurrentView.getWidth(), mCurrentView.getHeight(),
+                        visibilityToString(mCurrentView.getVisibility())));
+
+        pw.println(String.format("      disabled=0x%08x vertical=%s hidden=%s low=%s menu=%s",
+                        mDisabledFlags,
+                        mVertical ? "true" : "false",
+                        mHidden ? "true" : "false",
+                        mLowProfile ? "true" : "false",
+                        mShowMenu ? "true" : "false"));
+
+        final View back = getBackButton();
+        final View home = getHomeButton();
+        final View recent = getRecentsButton();
+        final View menu = getMenuButton();
+
+        pw.println("      back: "
+                + PhoneStatusBar.viewInfo(back)
+                + " " + visibilityToString(back.getVisibility())
+                );
+        pw.println("      home: "
+                + PhoneStatusBar.viewInfo(home)
+                + " " + visibilityToString(home.getVisibility())
+                );
+        pw.println("      rcnt: "
+                + PhoneStatusBar.viewInfo(recent)
+                + " " + visibilityToString(recent.getVisibility())
+                );
+        pw.println("      menu: "
+                + PhoneStatusBar.viewInfo(menu)
+                + " " + visibilityToString(menu.getVisibility())
+                );
+        pw.println("    }");
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

@@ -1735,9 +1735,9 @@ private Animation loadAnim(int id, Animation.AnimationListener listener) {
         return anim;
     }
 
-    public String viewInfo(View v) {
-        return "(" + v.getLeft() + "," + v.getTop() + ")(" + v.getRight() + "," + v.getBottom()
-                + " " + v.getWidth() + "x" + v.getHeight() + ")";
+    public static String viewInfo(View v) {
+        return "[(" + v.getLeft() + "," + v.getTop() + ")(" + v.getRight() + "," + v.getBottom()
+                + ") " + v.getWidth() + "x" + v.getHeight() + "]";
     }
 
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
@@ -1768,6 +1768,13 @@ public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
                     + " scroll " + mScrollView.getScrollX() + "," + mScrollView.getScrollY());
         }
 
+        pw.print("  mNavigationBarView=");
+        if (mNavigationBarView == null) {
+            pw.println("null");
+        } else {
+            mNavigationBarView.dump(fd, pw, args);
+        }
+
         if (DUMPTRUCK) {
             synchronized (mNotificationData) {
                 int N = mNotificationData.size();