Merge "Introduce ButtonInterface and getHomeId()" into nyc-mr1-dev

packages/SystemUI/src/com/android/systemui/SystemUIFactory.java

@@ -23,6 +23,7 @@ import android.view.ViewGroup;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.ViewMediatorCallback;
+import com.android.systemui.R;
 import com.android.systemui.statusbar.ScrimView;
 import com.android.systemui.statusbar.phone.KeyguardBouncer;
 import com.android.systemui.statusbar.phone.NotificationIconAreaController;
@@ -115,4 +116,11 @@ public class SystemUIFactory {
     public <T> T createInstance(Class<T> classType) {
         return null;
     }
+
+    /**
+     * @return The id for the home button layout.
+     */
+    public int getHomeLayoutId() {
+        return R.layout.home;
+    }
 }

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

@@ -14,11 +14,10 @@
 
 package com.android.systemui.statusbar.phone;
 
+import android.annotation.DrawableRes;
+import android.annotation.Nullable;
 import android.graphics.drawable.Drawable;
 import android.view.View;
-import android.widget.ImageView;
-
-import com.android.systemui.statusbar.policy.KeyButtonView;
 
 import java.util.ArrayList;
 
@@ -65,9 +64,9 @@ public class ButtonDispatcher {
             view.setVisibility(mVisibility);
         }
         if (mImageResource > 0) {
-            ((ImageView) view).setImageResource(mImageResource);
+            ((ButtonInterface) view).setImageResource(mImageResource);
         } else if (mImageDrawable != null) {
-            ((ImageView) view).setImageDrawable(mImageDrawable);
+            ((ButtonInterface) view).setImageDrawable(mImageDrawable);
         }
     }
 
@@ -88,7 +87,7 @@ public class ButtonDispatcher {
         mImageResource = -1;
         final int N = mViews.size();
         for (int i = 0; i < N; i++) {
-            ((ImageView) mViews.get(i)).setImageDrawable(mImageDrawable);
+            ((ButtonInterface) mViews.get(i)).setImageDrawable(mImageDrawable);
         }
     }
 
@@ -97,7 +96,7 @@ public class ButtonDispatcher {
         mImageDrawable = null;
         final int N = mViews.size();
         for (int i = 0; i < N; i++) {
-            ((ImageView) mViews.get(i)).setImageResource(mImageResource);
+            ((ButtonInterface) mViews.get(i)).setImageResource(mImageResource);
         }
     }
 
@@ -114,7 +113,7 @@ public class ButtonDispatcher {
         // This seems to be an instantaneous thing, so not going to persist it.
         final int N = mViews.size();
         for (int i = 0; i < N; i++) {
-            ((KeyButtonView) mViews.get(i)).abortCurrentGesture();
+            ((ButtonInterface) mViews.get(i)).abortCurrentGesture();
         }
     }
 
@@ -165,4 +164,15 @@ public class ButtonDispatcher {
     public void setCurrentView(View currentView) {
         mCurrentView = currentView.findViewById(mId);
     }
+
+    /**
+     * Interface for ImageView button actions.
+     */
+    public interface ButtonInterface {
+        void setImageResource(@DrawableRes int resId);
+
+        void setImageDrawable(@Nullable Drawable drawable);
+
+        void abortCurrentGesture();
+    }
 }

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

@@ -26,7 +26,9 @@ import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;
 import android.widget.Space;
+
 import com.android.systemui.R;
+import com.android.systemui.SystemUIFactory;
 import com.android.systemui.statusbar.policy.KeyButtonView;
 import com.android.systemui.tuner.TunerService;
 
@@ -219,7 +221,7 @@ public class NavigationBarInflaterView extends FrameLayout implements TunerServi
         String button = extractButton(buttonSpec);
         View v = null;
         if (HOME.equals(button)) {
-            v = inflater.inflate(R.layout.home, parent, false);
+            v = inflater.inflate(SystemUIFactory.getInstance().getHomeLayoutId(), parent, false);
             if (landscape && isSw600Dp()) {
                 setupLandButton(v);
             }

packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java

@@ -16,6 +16,8 @@
 
 package com.android.systemui.statusbar.policy;
 
+import android.annotation.DrawableRes;
+import android.annotation.Nullable;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.res.Configuration;
@@ -42,11 +44,12 @@ import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.ImageView;
 
 import com.android.systemui.R;
+import com.android.systemui.statusbar.phone.ButtonDispatcher;
 
 import static android.view.accessibility.AccessibilityNodeInfo.ACTION_CLICK;
 import static android.view.accessibility.AccessibilityNodeInfo.ACTION_LONG_CLICK;
 
-public class KeyButtonView extends ImageView {
+public class KeyButtonView extends ImageView implements ButtonDispatcher.ButtonInterface {
 
     private int mContentDescriptionRes;
     private long mDownTime;
@@ -247,10 +250,21 @@ public class KeyButtonView extends ImageView {
                 InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
     }
 
+    @Override
     public void abortCurrentGesture() {
         setPressed(false);
         mGestureAborted = true;
     }
+
+    @Override
+    public void setImageResource(@DrawableRes int resId) {
+        super.setImageResource(resId);
+    }
+
+    @Override
+    public void setImageDrawable(@Nullable Drawable drawable) {
+        super.setImageDrawable(drawable);
+    }
 }