WebView autofill implementation

android_webview/native/aw_contents.cc

 // 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.
 
 #include "android_webview/native/aw_contents.h"
 
 #include <limits>
 #include <utility>
 
 #include "android_webview/browser/aw_browser_context.h"
@@ skipping 36 matching lines @@
 #include "base/location.h"
 #include "base/memory/memory_pressure_listener.h"
 #include "base/memory/ptr_util.h"
 #include "base/pickle.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string16.h"
 #include "base/supports_user_data.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
 #include "components/autofill/core/browser/autofill_manager.h"
+#include "components/autofill/core/browser/autofill_provider_android.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 #include "components/navigation_interception/intercept_navigation_delegate.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/android/synchronous_compositor.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/interstitial_page.h"
 #include "content/public/browser/message_port_provider.h"
 #include "content/public/browser/navigation_entry.h"
@@ skipping 214 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   InitAutofillIfNecessary(enabled);
   // We need to check for the existence, since autofill_manager_delegate
   // may not be created when the setting is false.
   if (AwAutofillClient::FromWebContents(web_contents_.get())) {
     AwAutofillClient::FromWebContents(web_contents_.get())->
         SetSaveFormData(enabled);
   }
 }
 
 void AwContents::InitAutofillIfNecessary(bool enabled) {

[sgurun-gerrit only, 2017/04/28 01:46:39]

In O and above initautofillifnecessary should always be called. AwAutofillClient
has a autocompleteenabled method. I think autocomplete can be turned off there.

[michaelbai, 2017/05/03 04:43:59]

Used different way, see new patch of this method.

   // Do not initialize if the feature is not enabled.
   if (!enabled)
     return;
   // Check if the autofill driver factory already exists.
   content::WebContents* web_contents = web_contents_.get();
   if (ContentAutofillDriverFactory::FromWebContents(web_contents))
     return;
 
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  jlong nativeAutofillProvider =
+      Java_AwContents_getNativeAutofillAndroid(env, obj);
+  autofill_provider_.reset(
+      reinterpret_cast<autofill::AutofillProvider*>(nativeAutofillProvider));
   AwAutofillClient::CreateForWebContents(web_contents);
   ContentAutofillDriverFactory::CreateForWebContentsAndDelegate(
       web_contents, AwAutofillClient::FromWebContents(web_contents),
       base::android::GetDefaultLocaleString(),
-      AutofillManager::DISABLE_AUTOFILL_DOWNLOAD_MANAGER);
+      AutofillManager::DISABLE_AUTOFILL_DOWNLOAD_MANAGER,
+      autofill_provider_.get());
 }
 
 void AwContents::SetAwAutofillClient(const JavaRef<jobject>& client) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_AwContents_setAwAutofillClient(env, obj, client);
 }
@@ skipping 1134 matching lines @@
 
   return Java_AwContents_onRenderProcessGoneDetail(env, obj,
       child_process_id, crashed);
 }
 
 void AwContents::RenderProcessReady(content::RenderProcessHost* host) {
   UpdateRendererPriority();
 }
 
 }  // namespace android_webview