Launch customized panic setting intent when configured.

When RRO provides a custom intent package for panic settings and there
is an app to handle it, launch the custom intent instead of the AOSP
version.

Bug: 169946508
Test: robotests
Change-Id: I8479c6e0dd4a90b5a03640035b710ae4ccc7809c

src/com/android/settings/gestures/PanicGesturePreferenceController.java

@@ -17,10 +17,16 @@
 package com.android.settings.gestures;
 
 import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.provider.Settings;
 import android.text.TextUtils;
+import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
@@ -28,11 +34,19 @@ import com.android.settings.R;
  * Preference controller for emergency sos gesture setting
  */
 public class PanicGesturePreferenceController extends GesturePreferenceController {
+    private static final String TAG = "PanicGesturePreferenceC";
 
     @VisibleForTesting
     static final int ON = 1;
     @VisibleForTesting
     static final int OFF = 0;
+    @VisibleForTesting
+    static final String ACTION_PANIC_SETTINGS =
+            "com.android.settings.action.panic_settings";
+    @VisibleForTesting
+    Intent mIntent;
+
+    private boolean mUseCustomIntent;
 
     private static final String PREF_KEY_VIDEO = "panic_button_screen_video";
 
@@ -40,16 +54,38 @@ public class PanicGesturePreferenceController extends GesturePreferenceControlle
 
     public PanicGesturePreferenceController(Context context, String key) {
         super(context, key);
+        final String panicSettingsPackageName = context.getResources().getString(
+                R.string.panic_gesture_settings_package);
+        if (!TextUtils.isEmpty(panicSettingsPackageName)) {
+            mUseCustomIntent = true;
+            // Use custom intent if it's configured and system can resolve it.
+            final Intent intent = new Intent(ACTION_PANIC_SETTINGS)
+                    .setPackage(panicSettingsPackageName);
+            if (canResolveIntent(intent)) {
+                mIntent = intent;
+            }
+        }
     }
 
-    private static boolean isGestureAvailable(Context context) {
-        return context.getResources()
-                .getBoolean(R.bool.config_show_panic_gesture_settings);
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (TextUtils.equals(getPreferenceKey(), preference.getKey()) && mIntent != null) {
+            mIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+            mContext.startActivity(mIntent);
+            return true;
+        }
+        return super.handlePreferenceTreeClick(preference);
     }
 
     @Override
     public int getAvailabilityStatus() {
-        return isGestureAvailable(mContext) ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+        final boolean isConfigEnabled = mContext.getResources()
+                .getBoolean(R.bool.config_show_panic_gesture_settings);
+
+        if (!isConfigEnabled) {
+            return UNSUPPORTED_ON_DEVICE;
+        }
+        return AVAILABLE;
     }
 
     @Override
@@ -57,6 +93,32 @@ public class PanicGesturePreferenceController extends GesturePreferenceControlle
         return TextUtils.equals(getPreferenceKey(), "gesture_panic_button");
     }
 
+    @Override
+    protected boolean canHandleClicks() {
+        return !mUseCustomIntent || mIntent != null;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        if (mUseCustomIntent) {
+            final String packageName = mContext.getResources().getString(
+                    R.string.panic_gesture_settings_package);
+            try {
+                final PackageManager pm = mContext.getPackageManager();
+                final ApplicationInfo appInfo = pm.getApplicationInfo(
+                        packageName, PackageManager.MATCH_DISABLED_COMPONENTS
+                                | PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS);
+                return mContext.getString(R.string.panic_gesture_entrypoint_summary,
+                        appInfo.loadLabel(pm));
+            } catch (Exception e) {
+                Log.d(TAG, "Failed to get custom summary, falling back.");
+                return super.getSummary();
+            }
+        }
+
+        return super.getSummary();
+    }
+
     @Override
     protected String getVideoPrefKey() {
         return PREF_KEY_VIDEO;
@@ -72,4 +134,17 @@ public class PanicGesturePreferenceController extends GesturePreferenceControlle
         return Settings.Secure.putInt(mContext.getContentResolver(), SECURE_KEY,
                 isChecked ? ON : OFF);
     }
+
+    /**
+     * Whether or not gesture page content should be suppressed from search.
+     */
+    public boolean shouldSuppressFromSearch() {
+        return mUseCustomIntent;
+    }
+
+    private boolean canResolveIntent(Intent intent) {
+        final ResolveInfo resolveActivity = mContext.getPackageManager()
+                .resolveActivity(intent, 0);
+        return resolveActivity != null;
+    }
 }

src/com/android/settings/gestures/PanicGestureSettings.java

@@ -17,6 +17,7 @@
 package com.android.settings.gestures;
 
 import android.app.settings.SettingsEnums;
+import android.content.Context;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
@@ -47,5 +48,14 @@ public class PanicGestureSettings extends DashboardFragment {
     }
 
     public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider(R.xml.panic_gesture_settings);
+            new BaseSearchIndexProvider(R.xml.panic_gesture_settings) {
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    final PanicGesturePreferenceController controller =
+                            new PanicGesturePreferenceController(context,
+                                    "dummy_panic_gesture_pref_key");
+                    return !controller.isAvailable()
+                            || controller.shouldSuppressFromSearch();
+                }
+            };
 }