Add link functionality in message of magnification triple-tap dialog

Bug: 210593079
Test: make RunSettingsRoboTests ROBOTEST_FILTER=ShortcutPreferenceTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=MagnificationModePreferenceControllerTest
Change-Id: Id69b0b717410b5c5c44a818c36688bb7331c73ae

src/com/android/settings/accessibility/MagnificationModePreferenceController.java

@@ -25,11 +25,13 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.text.method.LinkMovementMethod;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ListView;
+import android.widget.TextView;
 
 import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
@@ -42,6 +44,7 @@ import com.android.settings.DialogCreatable;
 import com.android.settings.R;
 import com.android.settings.accessibility.MagnificationCapabilities.MagnificationMode;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.utils.AnnotationSpan;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnCreate;
 import com.android.settingslib.core.lifecycle.events.OnResume;
@@ -70,6 +73,7 @@ public class MagnificationModePreferenceController extends BasePreferenceControl
     @MagnificationMode
     private int mModeCache = MagnificationMode.NONE;
     private Preference mModePreference;
+    private ShortcutPreference mLinkPreference;
 
     @VisibleForTesting
     ListView mMagnificationModesListView;
@@ -117,6 +121,8 @@ public class MagnificationModePreferenceController extends BasePreferenceControl
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
         mModePreference = screen.findPreference(getPreferenceKey());
+        mLinkPreference = screen.findPreference(
+                ToggleFeaturePreferenceFragment.KEY_SHORTCUT_PREFERENCE);
         mModePreference.setOnPreferenceClickListener(preference -> {
             mModeCache = MagnificationCapabilities.getCapabilities(mContext);
             mDialogHelper.showDialog(DIALOG_MAGNIFICATION_MODE);
@@ -248,9 +254,33 @@ public class MagnificationModePreferenceController extends BasePreferenceControl
         final CharSequence negativeBtnText = mContext.getString(
                 R.string.accessibility_magnification_triple_tap_warning_negative_button);
 
-        return AccessibilityDialogUtils.createCustomDialog(mContext, title, contentView,
+        final Dialog dialog = AccessibilityDialogUtils.createCustomDialog(mContext, title,
+                contentView,
                 positiveBtnText, this::onMagnificationTripleTapWarningDialogPositiveButtonClicked,
                 negativeBtnText, this::onMagnificationTripleTapWarningDialogNegativeButtonClicked);
+
+        updateLinkInTripleTapWarningDialog(dialog, contentView);
+
+        return dialog;
+    }
+
+    private void updateLinkInTripleTapWarningDialog(Dialog dialog, View contentView) {
+        final TextView messageView = contentView.findViewById(R.id.message);
+        // TODO(b/225682559): Need to remove performClick() after refactoring accessibility dialog.
+        final View.OnClickListener linkListener = view -> {
+            mLinkPreference.performClick();
+            dialog.dismiss();
+        };
+        final AnnotationSpan.LinkInfo linkInfo = new AnnotationSpan.LinkInfo(
+                AnnotationSpan.LinkInfo.DEFAULT_ANNOTATION, linkListener);
+        final CharSequence textWithLink = AnnotationSpan.linkify(mContext.getText(
+                R.string.accessibility_magnification_triple_tap_warning_message), linkInfo);
+
+        if (messageView != null) {
+            messageView.setText(textWithLink);
+            messageView.setMovementMethod(LinkMovementMethod.getInstance());
+        }
+        dialog.setContentView(contentView);
     }
 
     @VisibleForTesting

src/com/android/settings/accessibility/ShortcutPreference.java

@@ -64,6 +64,11 @@ public class ShortcutPreference extends Preference {
         setLayoutResource(R.layout.accessibility_shortcut_secondary_action);
         setWidgetLayoutResource(R.layout.preference_widget_primary_switch);
         setIconSpaceReserved(false);
+        // Treat onSettingsClicked as this preference's click.
+        setOnPreferenceClickListener(preference -> {
+            callOnSettingsClicked();
+            return true;
+        });
     }
 
     @Override

src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java

@@ -102,7 +102,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference
     protected static final String KEY_USE_SERVICE_PREFERENCE = "use_service";
     public static final String KEY_GENERAL_CATEGORY = "general_categories";
     protected static final String KEY_HTML_DESCRIPTION_PREFERENCE = "html_description";
-    private static final String KEY_SHORTCUT_PREFERENCE = "shortcut_preference";
+    public static final String KEY_SHORTCUT_PREFERENCE = "shortcut_preference";
     protected static final String KEY_SAVED_USER_SHORTCUT_TYPE = "shortcut_type";
     protected static final String KEY_SAVED_QS_TOOLTIP_RESHOW = "qs_tooltip_reshow";
     protected static final String KEY_SAVED_QS_TOOLTIP_TYPE = "qs_tooltip_type";

tests/robotests/src/com/android/settings/accessibility/MagnificationModePreferenceControllerTest.java

@@ -30,9 +30,12 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.text.SpannableString;
 import android.text.TextUtils;
+import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ListView;
+import android.widget.TextView;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceManager;
@@ -41,6 +44,7 @@ import androidx.test.core.app.ApplicationProvider;
 
 import com.android.settings.DialogCreatable;
 import com.android.settings.R;
+import com.android.settings.utils.AnnotationSpan;
 
 import org.junit.Before;
 import org.junit.Rule;
@@ -177,6 +181,21 @@ public class MagnificationModePreferenceControllerTest {
         assertThat(TextUtils.equals(mController.getSummary(), allSummary)).isTrue();
     }
 
+    @Test
+    public void checkSpansInTripleTapWarningDialog_existAnnotationSpan() {
+        mDialogHelper.showDialog(
+                MagnificationModePreferenceController.DIALOG_MAGNIFICATION_TRIPLE_TAP_WARNING);
+        final View contentView = mDialogHelper.getDialog().findViewById(android.R.id.content);
+        final TextView messageView = contentView.findViewById(R.id.message);
+        final CharSequence textInTripleTapWarningDialog = messageView.getText();
+
+        final AnnotationSpan[] annotationSpans =
+                ((SpannableString) textInTripleTapWarningDialog).getSpans(/*queryStart= */ 0,
+                        textInTripleTapWarningDialog.length(), AnnotationSpan.class);
+
+        assertThat(annotationSpans[0]).isNotNull();
+    }
+
     @Test
     public void getSummary_saveWindowScreen_shouldReturnWindowScreenSummary() {
         MagnificationCapabilities.setCapabilities(mContext, MagnificationMode.WINDOW);

tests/robotests/src/com/android/settings/accessibility/ShortcutPreferenceTest.java

@@ -23,6 +23,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 
 import androidx.preference.PreferenceViewHolder;
+import androidx.test.core.app.ApplicationProvider;
 
 import com.android.settings.R;
 
@@ -30,7 +31,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 
 /** Tests for {@link ShortcutPreference} */
 @RunWith(RobolectricTestRunner.class)
@@ -58,7 +58,7 @@ public class ShortcutPreferenceTest {
 
     @Before
     public void setUp() {
-        final Context context = RuntimeEnvironment.application;
+        final Context context = ApplicationProvider.getApplicationContext();
         mShortcutPreference = new ShortcutPreference(context, null);
 
         final LayoutInflater inflater = LayoutInflater.from(context);
@@ -95,4 +95,13 @@ public class ShortcutPreferenceTest {
 
         assertThat(mShortcutPreference.isChecked()).isEqualTo(true);
     }
+
+    @Test
+    public void performClickOnPreference_settingsClicked() {
+        mShortcutPreference.onBindViewHolder(mPreferenceViewHolder);
+        mShortcutPreference.setOnClickCallback(mListener);
+        mShortcutPreference.performClick();
+
+        assertThat(mResult).isEqualTo(SETTINGS_CLICKED);
+    }
 }