Accessibility shortcut primary action - implement launched type fragment.

Bug: 142531433
Test: make RunSettingsRoboTests
Change-Id: I444bcc921b2a05483e508934c6f0b90b2cc53421

res/values/strings.xml

@@ -4994,6 +4994,8 @@
     <string name="accessibility_touch_vibration_title">Touch feedback</string>
     <!-- Used in the accessibility service settings to control turning on/off the service entirely -->
     <string name="accessibility_service_master_switch_title">Use <xliff:g id="accessibility_app_name" example="TalkBack">%1$s</xliff:g></string>
+    <!-- Used in the accessibility service settings to open the activity. [CHAR LIMIT=NONE] -->
+    <string name="accessibility_service_master_open_title">Open <xliff:g id="accessibility_app_name" example="TalkBack">%1$s</xliff:g></string>
     <!-- Used in the Color correction settings screen to control turning on/off the feature entirely -->
     <string name="accessibility_daltonizer_master_switch_title">Use color correction</string>
     <!-- Used in the Captions settings screen to control turning on/off the feature entirely -->

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

@@ -17,6 +17,7 @@
 package com.android.settings.accessibility;
 
 import android.content.Context;
+import android.view.View;
 
 import androidx.preference.PreferenceViewHolder;
 import androidx.preference.SwitchPreference;
@@ -29,11 +30,25 @@ public final class DividerSwitchPreference extends SwitchPreference {
 
     private Boolean mDividerAllowedAbove;
     private Boolean mDividerAllowBelow;
+    private int mSwitchVisibility;
 
     public DividerSwitchPreference(Context context) {
         super(context);
         mDividerAllowedAbove = true;
         mDividerAllowBelow = true;
+        mSwitchVisibility = View.VISIBLE;
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        holder.setDividerAllowedAbove(mDividerAllowedAbove);
+        holder.setDividerAllowedBelow(mDividerAllowBelow);
+
+        final View switchView = holder.itemView.findViewById(android.R.id.widget_frame);
+        if (switchView != null) {
+            switchView.setVisibility(mSwitchVisibility);
+        }
     }
 
     /**
@@ -60,10 +75,15 @@ public final class DividerSwitchPreference extends SwitchPreference {
         }
     }
 
-    @Override
+    /**
-    public void onBindViewHolder(PreferenceViewHolder holder) {
+     * Sets the visibility state of Settings view.
-        super.onBindViewHolder(holder);
+     *
-        holder.setDividerAllowedAbove(mDividerAllowedAbove);
+     * @param visibility one of {@link View#VISIBLE}, {@link View#INVISIBLE}, or {@link View#GONE}.
-        holder.setDividerAllowedBelow(mDividerAllowBelow);
+     */
+    public void setSwitchVisibility(@View.Visibility int visibility) {
+        if (mSwitchVisibility != visibility) {
+            mSwitchVisibility = visibility;
+            notifyChanged();
+        }
     }
 }

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

@@ -16,12 +16,119 @@
 
 package com.android.settings.accessibility;
 
+import android.accessibilityservice.AccessibilityShortcutInfo;
+import android.app.ActivityOptions;
+import android.content.ActivityNotFoundException;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.util.Log;
+import android.view.View;
+import android.view.accessibility.AccessibilityManager;
+
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.R;
+
+import java.util.List;
+
 /** Fragment for providing open activity button. */
 public class LaunchAccessibilityActivityPreferenceFragment extends
         ToggleFeaturePreferenceFragment {
+    private static final String TAG = "LaunchA11yActivity";
+    private static final String EMPTY_STRING = "";
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        mToggleServiceDividerSwitchPreference.setSwitchVisibility(View.GONE);
+    }
 
     @Override
     protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
-        // TODO(b/142531433): Added in next CL.
+        launchShortcutTargetActivity(getPrefContext().getDisplayId(), mComponentName);
+    }
+
+    @Override
+    protected void onInstallSwitchPreferenceToggleSwitch() {
+        super.onInstallSwitchPreferenceToggleSwitch();
+        mToggleServiceDividerSwitchPreference.setOnPreferenceClickListener((preference) -> {
+            final boolean checked = ((DividerSwitchPreference) preference).isChecked();
+            onPreferenceToggled(mPreferenceKey, checked);
+            return false;
+        });
+    }
+
+    @Override
+    protected void onProcessArguments(Bundle arguments) {
+        super.onProcessArguments(arguments);
+
+        mComponentName = arguments.getParcelable(AccessibilitySettings.EXTRA_COMPONENT_NAME);
+        final ActivityInfo info = getAccessibilityShortcutInfo().getActivityInfo();
+        mPackageName = info.loadLabel(getPackageManager()).toString();
+
+        // Settings animated image.
+        final int animatedImageRes = arguments.getInt(
+                AccessibilitySettings.EXTRA_ANIMATED_IMAGE_RES);
+        mImageUri = new Uri.Builder().scheme(ContentResolver.SCHEME_ANDROID_RESOURCE)
+                .authority(mComponentName.getPackageName())
+                .appendPath(String.valueOf(animatedImageRes))
+                .build();
+
+        // Settings html description.
+        mHtmlDescription = arguments.getCharSequence(AccessibilitySettings.EXTRA_HTML_DESCRIPTION);
+    }
+
+    @Override
+    public void onSettingsClicked(ShortcutPreference preference) {
+        super.onSettingsClicked(preference);
+        showDialog(DialogEnums.EDIT_SHORTCUT);
+    }
+
+    @Override
+    protected void updateToggleServiceTitle(SwitchPreference switchPreference) {
+        final AccessibilityShortcutInfo info = getAccessibilityShortcutInfo();
+        final String switchBarText = (info == null) ? EMPTY_STRING : getString(
+                R.string.accessibility_service_master_open_title,
+                info.getActivityInfo().loadLabel(getPackageManager()));
+
+        switchPreference.setTitle(switchBarText);
+    }
+
+    // IMPORTANT: Refresh the info since there are dynamically changing capabilities.
+    private AccessibilityShortcutInfo getAccessibilityShortcutInfo() {
+        final List<AccessibilityShortcutInfo> infos = AccessibilityManager.getInstance(
+                getPrefContext()).getInstalledAccessibilityShortcutListAsUser(getPrefContext(),
+                UserHandle.myUserId());
+
+        for (int i = 0, count = infos.size(); i < count; i++) {
+            AccessibilityShortcutInfo shortcutInfo = infos.get(i);
+            ActivityInfo activityInfo = shortcutInfo.getActivityInfo();
+            if (mComponentName.getPackageName().equals(activityInfo.packageName)
+                    && mComponentName.getClassName().equals(activityInfo.name)) {
+                return shortcutInfo;
+            }
+        }
+        return null;
+    }
+
+    private void launchShortcutTargetActivity(int displayId, ComponentName name) {
+        final Intent intent = new Intent();
+        final Bundle bundle = ActivityOptions.makeBasic().setLaunchDisplayId(displayId).toBundle();
+
+        intent.setComponent(name);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        try {
+            final int userId = UserHandle.myUserId();
+            getPrefContext().startActivityAsUser(intent, bundle, UserHandle.of(userId));
+        } catch (ActivityNotFoundException ignore) {
+            // ignore the exception
+            Log.w(TAG, "Target activity not found.");
+        }
     }
 }

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

@@ -59,6 +59,8 @@ public class ToggleAccessibilityServicePreferenceFragment extends
     private LockPatternUtils mLockPatternUtils;
     private AtomicBoolean mIsDialogShown = new AtomicBoolean(/* initialValue= */ false);
 
+    private static final String EMPTY_STRING = "";
+
     private final SettingsContentObserver mSettingsContentObserver =
             new SettingsContentObserver(new Handler()) {
                 @Override
@@ -84,7 +86,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        mLockPatternUtils = new LockPatternUtils(getActivity());
+        mLockPatternUtils = new LockPatternUtils(getPrefContext());
     }
 
     @Override
@@ -105,11 +107,11 @@ public class ToggleAccessibilityServicePreferenceFragment extends
     // example, before JellyBean MR2 the user was granting the explore by touch
     // one.
     private AccessibilityServiceInfo getAccessibilityServiceInfo() {
-        List<AccessibilityServiceInfo> serviceInfos = AccessibilityManager.getInstance(
+        final List<AccessibilityServiceInfo> infos = AccessibilityManager.getInstance(
-                getActivity()).getInstalledAccessibilityServiceList();
+                getPrefContext()).getInstalledAccessibilityServiceList();
-        final int serviceInfoCount = serviceInfos.size();
+
-        for (int i = 0; i < serviceInfoCount; i++) {
+        for (int i = 0, count = infos.size(); i < count; i++) {
-            AccessibilityServiceInfo serviceInfo = serviceInfos.get(i);
+            AccessibilityServiceInfo serviceInfo = infos.get(i);
             ResolveInfo resolveInfo = serviceInfo.getResolveInfo();
             if (mComponentName.getPackageName().equals(resolveInfo.serviceInfo.packageName)
                     && mComponentName.getClassName().equals(resolveInfo.serviceInfo.name)) {