Merge "[Settings] Disable gear button if user is not admin." into sc-dev

src/com/android/settings/widget/GearPreference.java

@@ -29,7 +29,8 @@ import com.android.settingslib.RestrictedPreference;
  * A preference with a Gear on the side
  */
 public class GearPreference extends RestrictedPreference implements View.OnClickListener {
-
+    // Default true for gear available even if the preference itself is disabled.
+    protected boolean mGearState = true;
     private OnGearClickListener mOnGearClickListener;
 
     public GearPreference(Context context, AttributeSet attrs) {
@@ -41,6 +42,16 @@ public class GearPreference extends RestrictedPreference implements View.OnClick
         notifyChanged();
     }
 
+    /** Sets state of gear button. */
+    public void setGearEnabled(boolean enabled) {
+        mGearState = enabled;
+    }
+
+    /** Gets state of gear button. */
+    public boolean isGearEnabled() {
+        return mGearState;
+    }
+
     @Override
     protected int getSecondTargetResId() {
         return R.layout.preference_widget_gear;
@@ -62,7 +73,8 @@ public class GearPreference extends RestrictedPreference implements View.OnClick
             gear.setVisibility(View.GONE);
             gear.setOnClickListener(null);
         }
-        gear.setEnabled(true);  // Make gear available even if the preference itself is disabled.
+        // Make gear available even if the preference itself is disabled.
+        gear.setEnabled(mGearState);
     }
 
     @Override

src/com/android/settings/widget/MutableGearPreference.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.ImageView;
+
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settings.R;
+import com.android.settingslib.utils.ColorUtil;
+
+/** A preference with a Gear on the side and mutable Gear color. */
+public class MutableGearPreference extends GearPreference {
+    private static final int VALUE_ENABLED_ALPHA = 255;
+
+    private ImageView mGear;
+    private Context mContext;
+    private int mDisabledAlphaValue;
+
+    public MutableGearPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mContext = context;
+        mDisabledAlphaValue = (int) (ColorUtil.getDisabledAlpha(context) * VALUE_ENABLED_ALPHA);
+    }
+
+    @Override
+    public void setGearEnabled(boolean enabled) {
+        if (mGear != null) {
+            mGear.setEnabled(enabled);
+            mGear.setImageAlpha(enabled ? VALUE_ENABLED_ALPHA : mDisabledAlphaValue);
+        }
+        mGearState = enabled;
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        mGear = (ImageView) holder.findViewById(R.id.settings_button);
+        setGearEnabled(mGearState);
+    }
+}