Notify Autofill while activity started

After activity started, if there is any field that is autofillable,
notify autofill to do a fill request to get ids that require a
special prompt UI.

Bug: 210926084
Test: Manual
Change-Id: Ia1058de63affc98065eeeb4808d4c3f8bae22d03

4 files changed, 122 insertions, 9 deletions

diff --git a/core/java/android/service/autofill/FillRequest.java b/core/java/android/service/autofill/FillRequest.java
index 43bd4102ffb5..f820f0389f0d 100644
--- a/core/java/android/service/autofill/FillRequest.java
+++ b/core/java/android/service/autofill/FillRequest.java
@@ -98,6 +98,12 @@ public final class FillRequest implements Parcelable {
 
     // The flag value 0x20 has been defined in AutofillManager.
 
+    /**
+     * Indicates the request is coming from the activity just started.
+     * @hide
+     */
+    public static final @RequestFlags int FLAG_ACTIVITY_START = 0x40;
+
     /** @hide */
     public static final int INVALID_REQUEST_ID = Integer.MIN_VALUE;
 
@@ -160,13 +166,13 @@ public final class FillRequest implements Parcelable {
 
 
 
-    // Code below generated by codegen v1.0.15.
+    // Code below generated by codegen v1.0.23.
     //
     // DO NOT MODIFY!
     // CHECKSTYLE:OFF Generated code
     //
     // To regenerate run:
-    // $ codegen $ANDROID_BUILD_TOP/frameworks/base/core/java/android/service/autofill/FillRequest.java
+    // $ codegen $ANDROID_BUILD_TOP/./frameworks/base/core/java/android/service/autofill/FillRequest.java
     //
     // To exclude the generated code from IntelliJ auto-formatting enable (one-time):
     //   Settings > Editor > Code Style > Formatter Control
@@ -178,7 +184,8 @@ public final class FillRequest implements Parcelable {
         FLAG_MANUAL_REQUEST,
         FLAG_COMPATIBILITY_MODE_REQUEST,
         FLAG_PASSWORD_INPUT_TYPE,
-        FLAG_VIEW_NOT_FOCUSED
+        FLAG_VIEW_NOT_FOCUSED,
+        FLAG_ACTIVITY_START
     })
     @Retention(RetentionPolicy.SOURCE)
     @DataClass.Generated.Member
@@ -202,6 +209,8 @@ public final class FillRequest implements Parcelable {
                     return "FLAG_PASSWORD_INPUT_TYPE";
             case FLAG_VIEW_NOT_FOCUSED:
                     return "FLAG_VIEW_NOT_FOCUSED";
+            case FLAG_ACTIVITY_START:
+                    return "FLAG_ACTIVITY_START";
             default: return Integer.toHexString(value);
         }
     }
@@ -264,7 +273,8 @@ public final class FillRequest implements Parcelable {
                 FLAG_MANUAL_REQUEST
                         | FLAG_COMPATIBILITY_MODE_REQUEST
                         | FLAG_PASSWORD_INPUT_TYPE
-                        | FLAG_VIEW_NOT_FOCUSED);
+                        | FLAG_VIEW_NOT_FOCUSED
+                        | FLAG_ACTIVITY_START);
         this.mInlineSuggestionsRequest = inlineSuggestionsRequest;
 
         onConstructed();
@@ -384,7 +394,7 @@ public final class FillRequest implements Parcelable {
         byte flg = in.readByte();
         int id = in.readInt();
         List<FillContext> fillContexts = new ArrayList<>();
-        in.readParcelableList(fillContexts, FillContext.class.getClassLoader(), android.service.autofill.FillContext.class);
+        in.readParcelableList(fillContexts, FillContext.class.getClassLoader());
         Bundle clientState = (flg & 0x4) == 0 ? null : in.readBundle();
         int flags = in.readInt();
         InlineSuggestionsRequest inlineSuggestionsRequest = (flg & 0x10) == 0 ? null : (InlineSuggestionsRequest) in.readTypedObject(InlineSuggestionsRequest.CREATOR);
@@ -401,7 +411,8 @@ public final class FillRequest implements Parcelable {
                 FLAG_MANUAL_REQUEST
                         | FLAG_COMPATIBILITY_MODE_REQUEST
                         | FLAG_PASSWORD_INPUT_TYPE
-                        | FLAG_VIEW_NOT_FOCUSED);
+                        | FLAG_VIEW_NOT_FOCUSED
+                        | FLAG_ACTIVITY_START);
         this.mInlineSuggestionsRequest = inlineSuggestionsRequest;
 
         onConstructed();
@@ -422,10 +433,10 @@ public final class FillRequest implements Parcelable {
     };
 
     @DataClass.Generated(
-            time = 1589280816805L,
-            codegenVersion = "1.0.15",
+            time = 1643052544776L,
+            codegenVersion = "1.0.23",
             sourceFile = "frameworks/base/core/java/android/service/autofill/FillRequest.java",
-            inputSignatures = "public static final @android.service.autofill.FillRequest.RequestFlags int FLAG_MANUAL_REQUEST\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_COMPATIBILITY_MODE_REQUEST\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_PASSWORD_INPUT_TYPE\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_VIEW_NOT_FOCUSED\npublic static final  int INVALID_REQUEST_ID\nprivate final  int mId\nprivate final @android.annotation.NonNull java.util.List<android.service.autofill.FillContext> mFillContexts\nprivate final @android.annotation.Nullable android.os.Bundle mClientState\nprivate final @android.service.autofill.FillRequest.RequestFlags int mFlags\nprivate final @android.annotation.Nullable android.view.inputmethod.InlineSuggestionsRequest mInlineSuggestionsRequest\nprivate  void onConstructed()\nclass FillRequest extends java.lang.Object implements [android.os.Parcelable]\n@com.android.internal.util.DataClass(genToString=true, genHiddenConstructor=true, genHiddenConstDefs=true)")
+            inputSignatures = "public static final @android.service.autofill.FillRequest.RequestFlags int FLAG_MANUAL_REQUEST\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_COMPATIBILITY_MODE_REQUEST\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_PASSWORD_INPUT_TYPE\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_VIEW_NOT_FOCUSED\npublic static final @android.service.autofill.FillRequest.RequestFlags int FLAG_ACTIVITY_START\npublic static final  int INVALID_REQUEST_ID\nprivate final  int mId\nprivate final @android.annotation.NonNull java.util.List<android.service.autofill.FillContext> mFillContexts\nprivate final @android.annotation.Nullable android.os.Bundle mClientState\nprivate final @android.service.autofill.FillRequest.RequestFlags int mFlags\nprivate final @android.annotation.Nullable android.view.inputmethod.InlineSuggestionsRequest mInlineSuggestionsRequest\nprivate  void onConstructed()\nclass FillRequest extends java.lang.Object implements [android.os.Parcelable]\n@com.android.internal.util.DataClass(genToString=true, genHiddenConstructor=true, genHiddenConstDefs=true)")
     @Deprecated
     private void __metadata() {}
 
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 75592730067a..4ff7e2297ea0 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -8178,9 +8178,13 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
                         // to User. Ideally View should handle the event when isVisibleToUser()
                         // becomes true where it should issue notifyViewEntered().
                         afm.notifyViewEntered(this);
+                    } else {
+                        afm.enableFillRequestActivityStarted();
                     }
                 } else if (!enter && !isFocused()) {
                     afm.notifyViewExited(this);
+                } else if (enter) {
+                    afm.enableFillRequestActivityStarted();
                 }
             }
         }
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 1496a4a7c6b3..b1b1d0ca0daf 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -563,6 +563,8 @@ public final class ViewRootImpl implements ViewParent,
     @Nullable
     int mContentCaptureEnabled = CONTENT_CAPTURE_ENABLED_NOT_CHECKED;
     boolean mPerformContentCapture;
+    boolean mPerformAutoFill;
+
 
     boolean mReportNextDraw;
     /**
@@ -841,6 +843,7 @@ public final class ViewRootImpl implements ViewParent,
         mPreviousTransparentRegion = new Region();
         mFirst = true; // true for the first time the view is added
         mPerformContentCapture = true; // also true for the first time the view is added
+        mPerformAutoFill = true;
         mAdded = false;
         mAttachInfo = new View.AttachInfo(mWindowSession, mWindow, display, this, mHandler, this,
                 context);
@@ -4352,6 +4355,18 @@ public final class ViewRootImpl implements ViewParent,
         if (mPerformContentCapture) {
             performContentCaptureInitialReport();
         }
+
+        if (mPerformAutoFill) {
+            notifyEnterForAutoFillIfNeeded();
+        }
+    }
+
+    private void notifyEnterForAutoFillIfNeeded() {
+        mPerformAutoFill = false;
+        final AutofillManager afm = getAutofillManager();
+        if (afm != null) {
+            afm.notifyViewEnteredForActivityStarted(mView);
+        }
     }
 
     /**
diff --git a/core/java/android/view/autofill/AutofillManager.java b/core/java/android/view/autofill/AutofillManager.java
index bb13c1e78964..ac984dacdef7 100644
--- a/core/java/android/view/autofill/AutofillManager.java
+++ b/core/java/android/view/autofill/AutofillManager.java
@@ -16,6 +16,7 @@
 
 package android.view.autofill;
 
+import static android.service.autofill.FillRequest.FLAG_ACTIVITY_START;
 import static android.service.autofill.FillRequest.FLAG_MANUAL_REQUEST;
 import static android.service.autofill.FillRequest.FLAG_PASSWORD_INPUT_TYPE;
 import static android.service.autofill.FillRequest.FLAG_VIEW_NOT_FOCUSED;
@@ -538,6 +539,8 @@ public final class AutofillManager {
      */
     public static final int NO_SESSION = Integer.MAX_VALUE;
 
+    private static final boolean HAS_FILL_DIALOG_UI_FEATURE = false;
+
     private final IAutoFillManager mService;
 
     private final Object mLock = new Object();
@@ -629,6 +632,29 @@ public final class AutofillManager {
     @GuardedBy("mLock")
     @Nullable private Executor mRequestCallbackExecutor;
 
+    /**
+     * Indicates whether there are any fields that need to do a fill request
+     * after the activity starts.
+     *
+     * Note: This field will be set to true multiple times if there are many
+     * autofillable views. So needs to check mIsFillRequested at the same time to
+     * avoid re-trigger autofill.
+     */
+    private boolean mRequireAutofill;
+
+    /**
+     * Indicates whether there is already a field to do a fill request after
+     * the activity started.
+     *
+     * Autofill will automatically trigger a fill request after activity
+     * start if there is any field is autofillable. But if there is a field that
+     * triggered autofill, it is unnecessary to trigger again through
+     * AutofillManager#notifyViewEnteredForActivityStarted.
+     */
+    private boolean mIsFillRequested;
+
+    @Nullable private List<AutofillId> mFillDialogTriggerIds;
+
     /** @hide */
     public interface AutofillClient {
         /**
@@ -766,6 +792,8 @@ public final class AutofillManager {
         mContext = Objects.requireNonNull(context, "context cannot be null");
         mService = service;
         mOptions = context.getAutofillOptions();
+        mIsFillRequested = false;
+        mRequireAutofill = false;
 
         if (mOptions != null) {
             sDebug = (mOptions.loggingLevel & FLAG_ADD_CLIENT_DEBUG) != 0;
@@ -1042,6 +1070,39 @@ public final class AutofillManager {
         notifyViewEntered(view, 0);
     }
 
+    /**
+     * The view is autofillable, marked to perform a fill request after layout if
+     * the field does not trigger a fill request.
+     *
+     * @hide
+     */
+    public void enableFillRequestActivityStarted() {
+        mRequireAutofill = true;
+    }
+
+    private boolean hasFillDialogUiFeature() {
+        return HAS_FILL_DIALOG_UI_FEATURE;
+    }
+
+    /**
+     * Notify autofill to do a fill request while the activity started.
+     *
+     * @hide
+     */
+    public void notifyViewEnteredForActivityStarted(@NonNull View view) {
+        if (!hasAutofillFeature() || !hasFillDialogUiFeature()) {
+            return;
+        }
+
+        if (!mRequireAutofill || mIsFillRequested) {
+            return;
+        }
+
+        int flags = FLAG_ACTIVITY_START;
+        flags |= FLAG_VIEW_NOT_FOCUSED;
+        notifyViewEntered(view, flags);
+    }
+
     @GuardedBy("mLock")
     private boolean shouldIgnoreViewEnteredLocked(@NonNull AutofillId id, int flags) {
         if (isDisabledByServiceLocked()) {
@@ -1082,6 +1143,7 @@ public final class AutofillManager {
         }
         AutofillCallback callback;
         synchronized (mLock) {
+            mIsFillRequested = true;
             callback = notifyViewEnteredLocked(view, flags);
         }
 
@@ -2026,6 +2088,8 @@ public final class AutofillManager {
         mFillableIds = null;
         mSaveTriggerId = null;
         mIdShownFillUi = null;
+        mIsFillRequested = false;
+        mRequireAutofill = false;
         if (resetEnteredIds) {
             mEnteredIds = null;
         }
@@ -3032,6 +3096,25 @@ public final class AutofillManager {
     }
 
     /**
+     * Checks the id of autofill whether supported the fill dialog.
+     *
+     * @hide
+     */
+    public boolean isShowFillDialog(AutofillId id) {
+        if (!hasFillDialogUiFeature() || mFillDialogTriggerIds == null) {
+            return false;
+        }
+        final int size = mFillDialogTriggerIds.size();
+        for (int i = 0; i < size; i++) {
+            AutofillId fillId = mFillDialogTriggerIds.get(i);
+            if (fillId.equalsIgnoreSession(id)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
      * Implementation of the accessibility based compatibility.
      */
     private final class CompatibilityBridge implements AccessibilityManager.AccessibilityPolicy {