Fixing a coupld lockscreen bugs

-> Showing correct page, as per discussions (issue 7205431)
-> Hide the time when the system status widget is showsing (issue 7216577)

Change-Id: I5b79d72e8fd8226952f6a8ea99b776feb4ddde1f

Author: Adam Cohen

policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java

@@ -166,6 +166,7 @@ public void hide() {
                         // from AudioManager
                         KeyguardHostView.this.addView(mTransportControl);
                         mTransportControl.setVisibility(View.GONE);
+                        showAppropriateWidgetPage();
                     }
                 }
 
@@ -178,6 +179,7 @@ public void show() {
                         mTransportControl.setVisibility(View.VISIBLE);
                         // Once shown, leave it showing
                         mSticky = true;
+                        showAppropriateWidgetPage();
                     }
                 }
             });
@@ -736,6 +738,15 @@ private void maybePopulateWidgets() {
                 addWidget(widgets[i]);
             }
         }
+        showAppropriateWidgetPage();
+    }
+
+    private void showAppropriateWidgetPage() {
+        int page = mAppWidgetContainer.indexOfChild(findViewById(R.id.keyguard_status_view));
+        if (mAppWidgetContainer.indexOfChild(mTransportControl) != -1) {
+            page = mAppWidgetContainer.indexOfChild(mTransportControl);
+        }
+        mAppWidgetContainer.setCurrentPage(page);
     }
 
     private void inflateAndAddUserSelectorWidgetIfNecessary() {

policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetRegion.java

@@ -18,6 +18,7 @@
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.LinearLayout;
 
 import com.android.internal.R;
@@ -70,5 +71,20 @@ public void showPagingFeedback() {
     @Override
     public void onPageSwitch(View newPage, int newPageIndex) {
         mPage = newPageIndex;
+
+        // If we're showing the default system status widget, then we want to hide the clock
+        boolean hideClock = false;
+        if ((newPage instanceof ViewGroup)) {
+            ViewGroup vg = (ViewGroup) newPage;
+            if (vg.getChildAt(0) instanceof KeyguardStatusView) {
+                hideClock = true;
+            }
+        }
+
+        if (hideClock) {
+            setSystemUiVisibility(getSystemUiVisibility() | View.STATUS_BAR_DISABLE_CLOCK);
+        } else {
+            setSystemUiVisibility(getSystemUiVisibility() & ~View.STATUS_BAR_DISABLE_CLOCK);
+        }
     }
 }