Moved Session and ViewState to its own classes. (6fa8a071) · Commits · e / os / android_frameworks_base

services/autofill/java/com/android/server/autofill/AutofillManagerServiceImpl.java

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services/autofill/java/com/android/server/autofill/Session.java

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services/autofill/java/com/android/server/autofill/ViewState.java

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		/*
		* Copyright (C) 2017 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.autofill;

		import android.annotation.Nullable;
		import android.content.Intent;
		import android.graphics.Rect;
		import android.service.autofill.FillResponse;
		import android.view.autofill.AutofillId;
		import android.view.autofill.AutofillValue;

		import java.io.PrintWriter;

		/**
		* State for a given view with a AutofillId.
		*
		* <p>This class holds state about a view and calls its listener when the fill UI is ready to
		* be displayed for the view.
		*/
		final class ViewState {
		interface Listener {
		/**
		* Called when the fill UI is ready to be shown for this view.
		*/
		void onFillReady(FillResponse fillResponse, AutofillId focusedId,
		@Nullable AutofillValue value);
		}

		final AutofillId mId;
		private final Listener mListener;
		// TODO(b/33197203): would not need a reference to response and session if it was an inner
		// class of Session...
		private final Session mSession;
		private FillResponse mResponse;
		private Intent mAuthIntent;

		// TODO(b/33197203): encapsulate access so it's not called by UI
		AutofillValue mAutofillValue;

		// TODO(b/33197203): encapsulate access so it's not called by UI
		// Bounds if a virtual view, null otherwise
		Rect mVirtualBounds;

		boolean mValueUpdated;

		ViewState(Session session, AutofillId id, Listener listener) {
		mSession = session;
		mId = id;
		mListener = listener;
		}

		/**
		* Response should only be set once.
		*/
		void setResponse(FillResponse response) {
		mResponse = response;
		maybeCallOnFillReady();
		}

		/**
		* Used when a {@link FillResponse} requires authentication to be unlocked.
		*/
		void setResponse(FillResponse response, Intent authIntent) {
		mAuthIntent = authIntent;
		setResponse(response);
		}

		CharSequence getServiceName() {
		return mSession.getServiceName();
		}

		// TODO(b/33197203): need to refactor / rename / document this method to make it clear that
		// it can change the value and update the UI; similarly, should replace code that
		// directly sets mAutoFilLValue to use encapsulation.
		void update(@Nullable AutofillValue autofillValue, @Nullable Rect virtualBounds) {
		if (autofillValue != null) {
		mAutofillValue = autofillValue;
		}
		if (virtualBounds != null) {
		mVirtualBounds = virtualBounds;
		}

		maybeCallOnFillReady();
		}

		/**
		* Calls {@link
		* Listener#onFillReady(FillResponse, AutofillId, AutofillValue)} if the
		* fill UI is ready to be displayed (i.e. when response and bounds are set).
		*/
		void maybeCallOnFillReady() {
		if (mResponse != null && (mResponse.getAuthentication() != null
		\|\| mResponse.getDatasets() != null)) {
		mListener.onFillReady(mResponse, mId, mAutofillValue);
		}
		}

		@Override
		public String toString() {
		return "ViewState: [id=" + mId + ", value=" + mAutofillValue + ", bounds=" + mVirtualBounds
		+ ", updated = " + mValueUpdated + "]";
		}

		void dump(String prefix, PrintWriter pw) {
		pw.print(prefix); pw.print("id:" ); pw.println(mId);
		pw.print(prefix); pw.print("value:" ); pw.println(mAutofillValue);
		pw.print(prefix); pw.print("updated:" ); pw.println(mValueUpdated);
		pw.print(prefix); pw.print("virtualBounds:" ); pw.println(mVirtualBounds);
		pw.print(prefix); pw.print("authIntent:" ); pw.println(mAuthIntent);
		}
		}
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