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Commit d43de9c5 authored by Bernardo Rufino's avatar Bernardo Rufino Committed by Automerger Merge Worker
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Merge "Add DISMISS_NOTIFICATION_SHADE action for a11y" into sc-dev am: 9b182c69 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13688767

Change-Id: I3ae0a033c200efa7a7def7d5885f5e88da7c0753
parents 24481d90 9b182c69

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -3027,6 +3027,7 @@ package android.accessibilityservice { 
    field public static final int GLOBAL_ACTION_ACCESSIBILITY_BUTTON_CHOOSER = 12; // 0xc

    field public static final int GLOBAL_ACTION_ACCESSIBILITY_SHORTCUT = 13; // 0xd

    field public static final int GLOBAL_ACTION_BACK = 1; // 0x1

    field public static final int GLOBAL_ACTION_DISMISS_NOTIFICATION_SHADE = 15; // 0xf

    field public static final int GLOBAL_ACTION_HOME = 2; // 0x2

    field public static final int GLOBAL_ACTION_KEYCODE_HEADSETHOOK = 10; // 0xa

    field public static final int GLOBAL_ACTION_LOCK_SCREEN = 8; // 0x8

core/java/android/accessibilityservice/AccessibilityService.java

+5 −0
Original line number Diff line number Diff line
@@ -555,6 +555,11 @@ public abstract class AccessibilityService extends Service { 
     */

    public static final int GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS = 14;



    /**

     * Action to dismiss the notification shade

     */

    public static final int GLOBAL_ACTION_DISMISS_NOTIFICATION_SHADE = 15;



    private static final String LOG_TAG = "AccessibilityService";



    /**

core/res/res/values/strings.xml

+2 −0
Original line number Diff line number Diff line
@@ -5574,6 +5574,8 @@ 
    <string name="accessibility_system_action_on_screen_a11y_shortcut_chooser_label">On-screen Accessibility Shortcut Chooser</string>

    <!-- Label for triggering hardware accessibility shortcut action [CHAR LIMIT=NONE] -->

    <string name="accessibility_system_action_hardware_a11y_shortcut_label">Accessibility Shortcut</string>

    <!-- Label for dismissing the notification shade [CHAR LIMIT=NONE] -->

    <string name="accessibility_system_action_dismiss_notification_shade">Dismiss Notification Shade</string>

    <!-- Accessibility description of caption view -->

    <string name="accessibility_freeform_caption">Caption bar of <xliff:g id="app_name">%1$s</xliff:g>.</string>

core/res/res/values/symbols.xml

+1 −0
Original line number Diff line number Diff line
@@ -3987,6 +3987,7 @@ 
  <java-symbol type="string" name="accessibility_system_action_on_screen_a11y_shortcut_label" />

  <java-symbol type="string" name="accessibility_system_action_on_screen_a11y_shortcut_chooser_label" />

  <java-symbol type="string" name="accessibility_system_action_hardware_a11y_shortcut_label" />

  <java-symbol type="string" name="accessibility_system_action_dismiss_notification_shade" />



  <java-symbol type="string" name="accessibility_freeform_caption" />

packages/SystemUI/src/com/android/systemui/accessibility/SystemActions.java

+70 −5
Original line number Diff line number Diff line
@@ -53,12 +53,18 @@ import com.android.systemui.Dependency; 
import com.android.systemui.SystemUI;

import com.android.systemui.dagger.SysUISingleton;

import com.android.systemui.recents.Recents;

import com.android.systemui.statusbar.CommandQueue;

import com.android.systemui.statusbar.NotificationShadeWindowController;

import com.android.systemui.statusbar.phone.StatusBar;

import com.android.systemui.statusbar.phone.StatusBarWindowCallback;

import com.android.systemui.util.Assert;



import java.util.Locale;



import javax.inject.Inject;



import dagger.Lazy;



/**

 * Class to register system actions with accessibility framework.

 */
@@ -128,23 +134,39 @@ public class SystemActions extends SystemUI { 
    public static final int SYSTEM_ACTION_ID_ACCESSIBILITY_SHORTCUT =

            AccessibilityService.GLOBAL_ACTION_ACCESSIBILITY_SHORTCUT; // 13



    public static final int SYSTEM_ACTION_ID_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE =

            AccessibilityService.GLOBAL_ACTION_DISMISS_NOTIFICATION_SHADE; // 15



    private static final String PERMISSION_SELF = "com.android.systemui.permission.SELF";



    private SystemActionsBroadcastReceiver mReceiver;

    private final SystemActionsBroadcastReceiver mReceiver;

    private Locale mLocale;

    private AccessibilityManager mA11yManager;

    private final AccessibilityManager mA11yManager;

    private final Lazy<StatusBar> mStatusBar;

    private final NotificationShadeWindowController mNotificationShadeController;

    private final StatusBarWindowCallback mNotificationShadeCallback;

    private boolean mDismissNotificationShadeActionRegistered;



    @Inject

    public SystemActions(Context context) {

    public SystemActions(Context context,

            NotificationShadeWindowController notificationShadeController,

            Lazy<StatusBar> statusBar) {

        super(context);

        mReceiver = new SystemActionsBroadcastReceiver();

        mLocale = mContext.getResources().getConfiguration().getLocales().get(0);

        mA11yManager = (AccessibilityManager) mContext.getSystemService(

                Context.ACCESSIBILITY_SERVICE);

        mNotificationShadeController = notificationShadeController;

        // Saving in instance variable since to prevent GC since

        // NotificationShadeWindowController.registerCallback() only keeps weak references.

        mNotificationShadeCallback = (keyguardShowing, keyguardOccluded, bouncerShowing) ->

                registerOrUnregisterDismissNotificationShadeAction();

        mStatusBar = statusBar;

    }



    @Override

    public void start() {

        mNotificationShadeController.registerCallback(mNotificationShadeCallback);

        mContext.registerReceiverForAllUsers(

                mReceiver,

                mReceiver.createIntentFilter(),
@@ -210,6 +232,32 @@ public class SystemActions extends SystemUI { 
        mA11yManager.registerSystemAction(actionTakeScreenshot, SYSTEM_ACTION_ID_TAKE_SCREENSHOT);

        mA11yManager.registerSystemAction(

                actionAccessibilityShortcut, SYSTEM_ACTION_ID_ACCESSIBILITY_SHORTCUT);

        registerOrUnregisterDismissNotificationShadeAction();

    }



    private void registerOrUnregisterDismissNotificationShadeAction() {

        Assert.isMainThread();



        // Saving state in instance variable since this callback is called quite often to avoid

        // binder calls

        StatusBar statusBar = mStatusBar.get();

        if (statusBar.isPanelExpanded() && !statusBar.isKeyguardShowing()) {

            if (!mDismissNotificationShadeActionRegistered) {

                mA11yManager.registerSystemAction(

                        createRemoteAction(

                                R.string.accessibility_system_action_dismiss_notification_shade,

                                SystemActionsBroadcastReceiver

                                        .INTENT_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE),

                        SYSTEM_ACTION_ID_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE);

                mDismissNotificationShadeActionRegistered = true;

            }

        } else {

            if (mDismissNotificationShadeActionRegistered) {

                mA11yManager.unregisterSystemAction(

                        SYSTEM_ACTION_ID_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE);

                mDismissNotificationShadeActionRegistered = false;

            }

        }

    }



    /**
@@ -265,6 +313,11 @@ public class SystemActions extends SystemUI { 
                labelId = R.string.accessibility_system_action_hardware_a11y_shortcut_label;

                intent = SystemActionsBroadcastReceiver.INTENT_ACTION_ACCESSIBILITY_SHORTCUT;

                break;

            case SYSTEM_ACTION_ID_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE:

                labelId = R.string.accessibility_system_action_dismiss_notification_shade;

                intent = SystemActionsBroadcastReceiver

                        .INTENT_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE;

                break;

            default:

                return;

        }
@@ -369,6 +422,10 @@ public class SystemActions extends SystemUI { 
        mA11yManager.performAccessibilityShortcut();

    }



    private void handleAccessibilityDismissNotificationShade() {

        mStatusBar.get().animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE, false /* force */);

    }



    private class SystemActionsBroadcastReceiver extends BroadcastReceiver {

        private static final String INTENT_ACTION_BACK = "SYSTEM_ACTION_BACK";

        private static final String INTENT_ACTION_HOME = "SYSTEM_ACTION_HOME";
@@ -384,6 +441,8 @@ public class SystemActions extends SystemUI { 
                "SYSTEM_ACTION_ACCESSIBILITY_BUTTON_MENU";

        private static final String INTENT_ACTION_ACCESSIBILITY_SHORTCUT =

                "SYSTEM_ACTION_ACCESSIBILITY_SHORTCUT";

        private static final String INTENT_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE =

                "SYSTEM_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE";



        private PendingIntent createPendingIntent(Context context, String intentAction) {

            switch (intentAction) {
@@ -397,7 +456,8 @@ public class SystemActions extends SystemUI { 
                case INTENT_ACTION_TAKE_SCREENSHOT:

                case INTENT_ACTION_ACCESSIBILITY_BUTTON:

                case INTENT_ACTION_ACCESSIBILITY_BUTTON_CHOOSER:

                case INTENT_ACTION_ACCESSIBILITY_SHORTCUT: {

                case INTENT_ACTION_ACCESSIBILITY_SHORTCUT:

                case INTENT_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE: {

                    Intent intent = new Intent(intentAction);

                    intent.setPackage(context.getPackageName());

                    return PendingIntent.getBroadcast(context, 0, intent,
@@ -422,6 +482,7 @@ public class SystemActions extends SystemUI { 
            intentFilter.addAction(INTENT_ACTION_ACCESSIBILITY_BUTTON);

            intentFilter.addAction(INTENT_ACTION_ACCESSIBILITY_BUTTON_CHOOSER);

            intentFilter.addAction(INTENT_ACTION_ACCESSIBILITY_SHORTCUT);

            intentFilter.addAction(INTENT_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE);

            return intentFilter;

        }
@@ -473,6 +534,10 @@ public class SystemActions extends SystemUI { 
                    handleAccessibilityShortcut();

                    break;

                }

                case INTENT_ACTION_ACCESSIBILITY_DISMISS_NOTIFICATION_SHADE: {

                    handleAccessibilityDismissNotificationShade();

                    break;

                }

                default:

                    break;

            }