Tutorial improvement for Accessibility shortcut (1/n).

Because can't save the value into setting keys for the service before version R, and in order to let tutorial dialog can get the consistent value, using alternative that each fragment with shortcut to must implement the new abstract method.

Bug: 148989018
Test: manual test
Change-Id: Iba2a7daa70eb00f0bba37317c9355531fbb77628

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

@@ -100,6 +100,12 @@ public class LaunchAccessibilityActivityPreferenceFragment extends
         showDialog(DialogEnums.EDIT_SHORTCUT);
     }
 
+    @Override
+    int getUserShortcutTypes() {
+        return AccessibilityUtil.getUserShortcutTypesFromSettings(getPrefContext(),
+                mComponentName);
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         // Do not call super. We don't want to see the "Help & feedback" option on this page so as

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

@@ -18,6 +18,7 @@ package com.android.settings.accessibility;
 
 import static com.android.settings.accessibility.AccessibilityUtil.UserShortcutType;
 
+import android.accessibilityservice.AccessibilityServiceInfo;
 import android.os.Bundle;
 import android.view.View;
 
@@ -48,6 +49,22 @@ public class LegacyAccessibilityServicePreferenceFragment extends
         setAllowedPreferredShortcutType(UserShortcutType.HARDWARE);
     }
 
+    @Override
+    int getUserShortcutTypes() {
+        int shortcutTypes = super.getUserShortcutTypes();
+
+        final AccessibilityServiceInfo info = getAccessibilityServiceInfo();
+        final boolean hasRequestAccessibilityButtonFlag =
+                (info.flags & AccessibilityServiceInfo.FLAG_REQUEST_ACCESSIBILITY_BUTTON) != 0;
+        if (hasRequestAccessibilityButtonFlag) {
+            shortcutTypes |= UserShortcutType.SOFTWARE;
+        } else {
+            shortcutTypes &= (~UserShortcutType.SOFTWARE);
+        }
+
+        return shortcutTypes;
+    }
+
     private void setAllowedPreferredShortcutType(int type) {
         final AccessibilityUserShortcutType shortcut = new AccessibilityUserShortcutType(
                 mComponentName.flattenToString(), type);

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

@@ -106,7 +106,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
     // capabilities. For
     // example, before JellyBean MR2 the user was granting the explore by touch
     // one.
-    private AccessibilityServiceInfo getAccessibilityServiceInfo() {
+    AccessibilityServiceInfo getAccessibilityServiceInfo() {
         final List<AccessibilityServiceInfo> infos = AccessibilityManager.getInstance(
                 getPrefContext()).getInstalledAccessibilityServiceList();
 
@@ -197,6 +197,12 @@ public class ToggleAccessibilityServicePreferenceFragment extends
         }
     }
 
+    @Override
+    int getUserShortcutTypes() {
+        return AccessibilityUtil.getUserShortcutTypesFromSettings(getPrefContext(),
+                mComponentName);
+    }
+
     @Override
     protected void updateToggleServiceTitle(SwitchPreference switchPreference) {
         final AccessibilityServiceInfo info = getAccessibilityServiceInfo();

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

@@ -124,6 +124,12 @@ public class ToggleColorInversionPreferenceFragment extends ToggleFeaturePrefere
         showDialog(DialogEnums.EDIT_SHORTCUT);
     }
 
+    @Override
+    int getUserShortcutTypes() {
+        return AccessibilityUtil.getUserShortcutTypesFromSettings(getPrefContext(),
+                mComponentName);
+    }
+
     private void updateSwitchBarToggleSwitch() {
         final boolean checked = Settings.Secure.getInt(getContentResolver(), ENABLED, OFF) == ON;
         if (mToggleServiceDividerSwitchPreference.isChecked() == checked) {

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

@@ -198,6 +198,12 @@ public final class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePrefe
         showDialog(DialogEnums.EDIT_SHORTCUT);
     }
 
+    @Override
+    int getUserShortcutTypes() {
+        return AccessibilityUtil.getUserShortcutTypesFromSettings(getPrefContext(),
+                mComponentName);
+    }
+
     private void updateSwitchBarToggleSwitch() {
         final boolean checked = Settings.Secure.getInt(getContentResolver(), ENABLED, OFF) == ON;
         if (mToggleServiceDividerSwitchPreference.isChecked() == checked) {

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

@@ -334,6 +334,11 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference
         removeActionBarToggleSwitch();
     }
 
+    /**
+     * Returns the shortcut type list which has been checked by user.
+     */
+    abstract int getUserShortcutTypes();
+
     protected void updateToggleServiceTitle(SwitchPreference switchPreference) {
         switchPreference.setTitle(R.string.accessibility_service_master_switch_title);
     }

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

@@ -412,6 +412,11 @@ public class ToggleScreenMagnificationPreferenceFragment extends
         }
     }
 
+    @Override
+    int getUserShortcutTypes() {
+        return getUserShortcutTypeFromSettings(getPrefContext());
+    }
+
     @Override
     protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
         if (enabled && TextUtils.equals(

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

@@ -129,6 +129,11 @@ public class ToggleFeaturePreferenceFragmentTest {
             return 0;
         }
 
+        @Override
+        int getUserShortcutTypes() {
+            return 0;
+        }
+
         @Override
         public int getPreferenceScreenResId() {
             return R.xml.placeholder_prefs;

tests/unit/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java

@@ -86,5 +86,10 @@ public class ToggleFeaturePreferenceFragmentTest {
         public int getMetricsCategory() {
             return 0;
         }
+
+        @Override
+        int getUserShortcutTypes() {
+            return 0;
+        }
     }
 }