Move app setting link from Entity header to pref controller

Change-Id: I13a27486a9c9b4c4fb358715d678473e63c1b624
Fixes: 79688822
Test: robotest

src/com/android/settings/applications/appinfo/AppSettingPreferenceController.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2018 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.applications.appinfo;
+
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.ACTION_OPEN_APP_SETTING;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ResolveInfo;
+import android.text.TextUtils;
+
+import com.android.settings.overlay.FeatureFactory;
+
+import androidx.preference.Preference;
+
+public class AppSettingPreferenceController extends AppInfoPreferenceControllerBase {
+
+    private String mPackageName;
+
+    public AppSettingPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    public AppSettingPreferenceController setPackageName(String packageName) {
+        mPackageName = packageName;
+        return this;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (TextUtils.isEmpty(mPackageName) || mParent == null) {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
+        final Intent intent = resolveIntent(
+                new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(mPackageName));
+        return intent != null ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
+            return false;
+        }
+        final Intent intent = resolveIntent(
+                new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(mPackageName));
+        if (intent == null) {
+            return false;
+        }
+        FeatureFactory.getFactory(mContext).getMetricsFeatureProvider()
+                .actionWithSource(mContext, mParent.getMetricsCategory(),
+                        ACTION_OPEN_APP_SETTING);
+        mContext.startActivity(intent);
+        return true;
+    }
+
+    private Intent resolveIntent(Intent i) {
+        ResolveInfo result = mContext.getPackageManager().resolveActivity(i, 0);
+        if (result != null) {
+            return new Intent(i.getAction())
+                    .setClassName(result.activityInfo.packageName, result.activityInfo.name);
+        }
+        return null;
+    }
+}