WebView autofill implementation

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.ComponentCallbacks2;
@@ skipping 12 matching lines @@
 import android.net.http.SslCertificate;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.os.SystemClock;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.util.Pair;
+import android.util.SparseArray;
 import android.view.DragEvent;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewStructure;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.accessibility.AccessibilityNodeProvider;
 import android.view.animation.AnimationUtils;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.webkit.JavascriptInterface;
 import android.webkit.ValueCallback;
 
 import org.chromium.android_webview.permission.AwGeolocationCallback;
 import org.chromium.android_webview.permission.AwPermissionRequest;
 import org.chromium.android_webview.renderer_priority.RendererPriority;
 import org.chromium.base.LocaleUtils;
 import org.chromium.base.Log;
 import org.chromium.base.ObserverList;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.TraceEvent;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.SuppressFBWarnings;
+import org.chromium.components.autofill.AutofillProvider;
 import org.chromium.components.navigation_interception.InterceptNavigationDelegate;
 import org.chromium.components.navigation_interception.NavigationParams;
 import org.chromium.content.browser.AppWebMessagePort;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.ContentViewStatics;
 import org.chromium.content.browser.SmartClipProvider;
 import org.chromium.content_public.browser.GestureStateListener;
 import org.chromium.content_public.browser.JavaScriptCallback;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.MessagePort;
@@ skipping 170 matching lines @@
      */
     public static class DependencyFactory {
         public AwLayoutSizer createLayoutSizer() {
             return new AwLayoutSizer();
         }
 
         public AwScrollOffsetManager createScrollOffsetManager(
                 AwScrollOffsetManager.Delegate delegate) {
             return new AwScrollOffsetManager(delegate);
         }
+
+        public AutofillProvider createAutofillProvider(Context context, ViewGroup containerView) {
+            return null;
+        }
     }
 
     /**
      * Visual state callback, see {@link #insertVisualStateCallback} for details.
      *
      */
     @VisibleForTesting
     public abstract static class VisualStateCallback {
         /**
          * @param requestId the id passed to {@link AwContents#insertVisualStateCallback}
@@ skipping 97 matching lines @@
     private Handler mHandler;
 
     // True when this AwContents has been destroyed.
     // Do not use directly, call isDestroyed() instead.
     private boolean mIsDestroyed;
 
     // True if this AwContents is in no operation state.
     // Do not use directly, call isNoOperation() instead.
     private boolean mIsNoOperation;
 
+    private AutofillProvider mAutofillProvider;
+
     private static String sCurrentLocales = "";
 
     private Paint mPaintForNWorkaround;
 
     private static final class AwContentsDestroyRunnable implements Runnable {
         private final long mNativeAwContents;
         // Hold onto a reference to the window (via its wrapper), so that it is not destroyed
         // until we are done here.
         private final WindowAndroidWrapper mWindowAndroid;
 
@@ skipping 369 matching lines @@
         mBrowserContext = browserContext;
 
         // setWillNotDraw(false) is required since WebView draws it's own contents using it's
         // container view. If this is ever not the case we should remove this, as it removes
         // Android's gatherTransparentRegion optimization for the view.
         mContainerView = containerView;
         mContainerView.setWillNotDraw(false);
 
         mHandler = new Handler();
         mContext = context;
+        mAutofillProvider = dependencyFactory.createAutofillProvider(context, mContainerView);
         mAppTargetSdkVersion = mContext.getApplicationInfo().targetSdkVersion;
         mInternalAccessAdapter = internalAccessAdapter;
         mNativeDrawGLFunctorFactory = nativeDrawGLFunctorFactory;
         mInitialFunctor = new AwGLFunctor(mNativeDrawGLFunctorFactory, mContainerView);
         mCurrentFunctor = mInitialFunctor;
         mContentsClient = contentsClient;
         mContentsClient.getCallbackHelper().setCancelCallbackPoller(
                 new AwContentsClientCallbackHelper.CancelCallbackPoller() {
                     @Override
                     public boolean cancelAllCallbacks() {
@@ skipping 189 matching lines @@
         if (containerViewAttached && !mIsAttachedToWindow) {
             awViewMethodsImpl.onAttachedToWindow();
         } else if (!containerViewAttached && mIsAttachedToWindow) {
             awViewMethodsImpl.onDetachedFromWindow();
         }
         awViewMethodsImpl.onSizeChanged(
                 mContainerView.getWidth(), mContainerView.getHeight(), 0, 0);
         awViewMethodsImpl.onWindowFocusChanged(mContainerView.hasWindowFocus());
         awViewMethodsImpl.onFocusChanged(mContainerView.hasFocus(), 0, null);
         mContainerView.requestLayout();
+        if (mAutofillProvider != null) mAutofillProvider.onContainerViewChanged(mContainerView);
     }
 
     // This class destroys the WindowAndroid when after it is gc-ed.
     private static class WindowAndroidWrapper {
         private final WindowAndroid mWindowAndroid;
         private final CleanupReference mCleanupReference;
 
         private static final class DestroyRunnable implements Runnable {
             private final WindowAndroid mWindowAndroid;
             private DestroyRunnable(WindowAndroid windowAndroid) {
@@ skipping 87 matching lines @@
         WebContents webContents = nativeGetWebContents(mNativeAwContents);
 
         mWindowAndroid = getWindowAndroid(mContext);
         mContentViewCore = new ContentViewCore(mContext, PRODUCT_VERSION);
         mViewAndroidDelegate = new AwViewAndroidDelegate(
                 mContainerView, mContentsClient, mContentViewCore.getRenderCoordinates());
         initializeContentViewCore(mContentViewCore, mContext, mViewAndroidDelegate,
                 mInternalAccessAdapter, webContents, new AwGestureStateListener(),
                 mWindowAndroid.getWindowAndroid());
         nativeSetJavaPeers(mNativeAwContents, this, mWebContentsDelegate, mContentsClientBridge,
-                mIoThreadClient, mInterceptNavigationDelegate);
+                mIoThreadClient, mInterceptNavigationDelegate, mAutofillProvider);
         mWebContents = mContentViewCore.getWebContents();
         mNavigationController = mWebContents.getNavigationController();
         installWebContentsObserver();
         mSettings.setWebContents(webContents);
+        if (mAutofillProvider != null) mAutofillProvider.setWebContents(webContents);
 
         if (textClassifier != null) mContentViewCore.setTextClassifier(textClassifier);
 
         final float dipScale = mWindowAndroid.getWindowAndroid().getDisplay().getDipScale();
         mDisplayObserver.onDIPScaleChanged(dipScale);
 
         updateContentViewCoreVisibility();
 
         // The native side object has been bound to this java instance, so now is the time to
         // bind all the native->java relationships.
@@ skipping 1242 matching lines @@
         if (!mWebContentsObserver.didEverCommitNavigation()) {
             // TODO(sgurun) write a test case for this condition crbug/605251
             structure.setChildCount(0);
             return;
         }
         // for webview, the platform already calculates the scroll (as it is a view) in
         // ViewStructure tree. Do not offset for it in the snapshop x,y position calculations.
         mContentViewCore.onProvideVirtualStructure(structure, true);
     }
 
+    public void onProvideAutoFillVirtualStructure(ViewStructure structure, int flags) {
+        if (mAutofillProvider != null) {
+            mAutofillProvider.onProvideAutoFillVirtualStructure(structure, flags);
+        }
+    }
+
+    public void autofill(final SparseArray<String> values) {
+        if (mAutofillProvider != null) {
+            mAutofillProvider.autofill(values);
+        }
+    }
+
     public boolean isSelectActionModeAllowed(int actionModeItem) {
         return (mSettings.getDisabledActionModeMenuItems() & actionModeItem) != actionModeItem;
     }
 
     //--------------------------------------------------------------------------------------------
     //  View and ViewGroup method implementations
     //--------------------------------------------------------------------------------------------
     /**
      * Calls android.view.View#startActivityForResult.  A RuntimeException will
      * be thrown by Android framework if startActivityForResult is called with
@@ skipping 1107 matching lines @@
     private static native void nativeSetAwDrawSWFunctionTable(long functionTablePointer);
     private static native void nativeSetAwDrawGLFunctionTable(long functionTablePointer);
     private static native int nativeGetNativeInstanceCount();
     private static native void nativeSetShouldDownloadFavicons();
     private static native void nativeUpdateDefaultLocale(String locale, String localeList);
 
     private native void nativeCallProceedOnInterstitialForTesting(long nativeAwContents);
     private native void nativeCallDontProceedOnInterstitialForTesting(long nativeAwContents);
     private native void nativeSetJavaPeers(long nativeAwContents, AwContents awContents,
             AwWebContentsDelegate webViewWebContentsDelegate,
-            AwContentsClientBridge contentsClientBridge,
-            AwContentsIoThreadClient ioThreadClient,
-            InterceptNavigationDelegate navigationInterceptionDelegate);
+            AwContentsClientBridge contentsClientBridge, AwContentsIoThreadClient ioThreadClient,
+            InterceptNavigationDelegate navigationInterceptionDelegate,
+            AutofillProvider autofillProvider);
     private native WebContents nativeGetWebContents(long nativeAwContents);
     private native void nativeSetAwGLFunctor(long nativeAwContents, long nativeAwGLFunctor);
 
     private native void nativeDocumentHasImages(long nativeAwContents, Message message);
     private native void nativeGenerateMHTML(
             long nativeAwContents, String path, ValueCallback<String> callback);
 
     private native void nativeAddVisitedLinks(long nativeAwContents, String[] visitedLinks);
     private native void nativeZoomBy(long nativeAwContents, float delta);
     private native void nativeOnComputeScroll(
@@ skipping 57 matching lines @@
     private native void nativeTrimMemory(long nativeAwContents, int level, boolean visible);
 
     private native void nativeCreatePdfExporter(long nativeAwContents, AwPdfExporter awPdfExporter);
 
     private native void nativePreauthorizePermission(long nativeAwContents, String origin,
             long resources);
 
     private native void nativeGrantFileSchemeAccesstoChildProcess(long nativeAwContents);
     private native void nativeResumeLoadingCreatedPopupWebContents(long nativeAwContents);
 }