WebView autofill implementation

android_webview/browser/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/browser/aw_contents.h"
 
 #include <limits>
 #include <utility>
 
 #include "android_webview/browser/aw_autofill_client.h"
@@ skipping 33 matching lines @@
 #include "base/callback.h"
 #include "base/command_line.h"
 #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/android/autofill_provider_android.h"
 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
 #include "components/autofill/core/browser/autofill_manager.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/browsing_data_remover.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/favicon_status.h"
@@ skipping 177 matching lines @@
   AwContentsLifecycleNotifier::OnWebViewCreated();
 }
 
 void AwContents::SetJavaPeers(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,
     const JavaParamRef<jobject>& aw_contents,
     const JavaParamRef<jobject>& web_contents_delegate,
     const JavaParamRef<jobject>& contents_client_bridge,
     const JavaParamRef<jobject>& io_thread_client,
-    const JavaParamRef<jobject>& intercept_navigation_delegate) {
+    const JavaParamRef<jobject>& intercept_navigation_delegate,
+    const JavaParamRef<jobject>& autofill_provider) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   // The |aw_content| param is technically spurious as it duplicates |obj| but
   // is passed over anyway to make the binding more explicit.
   java_ref_ = JavaObjectWeakGlobalRef(env, aw_contents);
 
   web_contents_delegate_.reset(
       new AwWebContentsDelegate(env, web_contents_delegate));
   web_contents_->SetDelegate(web_contents_delegate_.get());
 
   contents_client_bridge_.reset(
       new AwContentsClientBridge(env, contents_client_bridge));
   AwContentsClientBridge::Associate(web_contents_.get(),
                                     contents_client_bridge_.get());
 
   AwContentsIoThreadClient::Associate(web_contents_.get(), io_thread_client);
 
   InterceptNavigationDelegate::Associate(
       web_contents_.get(), base::MakeUnique<InterceptNavigationDelegate>(
                                env, intercept_navigation_delegate));
 
+  if (!autofill_provider.is_null()) {
+    autofill_provider_ = base::MakeUnique<autofill::AutofillProviderAndroid>(
+        autofill_provider, web_contents_.get());
+  }
+
   // Finally, having setup the associations, release any deferred requests
   for (content::RenderFrameHost* rfh : web_contents_->GetAllFrames()) {
     int render_process_id = rfh->GetProcess()->GetID();
     int render_frame_id = rfh->GetRoutingID();
     AwResourceDispatcherHostDelegate::OnIoThreadClientReady(render_process_id,
                                                             render_frame_id);
   }
 }
 
 void AwContents::SetSaveFormData(bool enabled) {
   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) {
-  // Do not initialize if the feature is not enabled.
-  if (!enabled)
-    return;
+void AwContents::InitAutofillIfNecessary(bool autocomplete_enabled) {
   // Check if the autofill driver factory already exists.
   content::WebContents* web_contents = web_contents_.get();
   if (ContentAutofillDriverFactory::FromWebContents(web_contents))
     return;
 
+  // Check if AutofillProvider is available.
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  // Just return, if the app neither runs on O sdk nor enables autocomplete.
+  if (!autofill_provider_ && !autocomplete_enabled)
+    return;
+
   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 1031 matching lines @@
   content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
       web_contents_->GetRenderProcessHost()->GetID(), url::kFileScheme);
 }
 
 void AwContents::ResumeLoadingCreatedPopupWebContents(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   web_contents_->ResumeLoadingCreatedWebContents();
 }
 
+jlong AwContents::GetAutofillProvider(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& obj) {
+  return reinterpret_cast<jlong>(autofill_provider_.get());
+}
+
 void SetShouldDownloadFavicons(JNIEnv* env,
                                const JavaParamRef<jclass>& jclazz) {
   g_should_download_favicons = true;
 }
 
 void AwContents::RenderViewHostChanged(content::RenderViewHost* old_host,
                                        content::RenderViewHost* new_host) {
   DCHECK(new_host);
 
   int process_id = new_host->GetProcess()->GetID();
@@ skipping 79 matching lines @@
 
   return Java_AwContents_onRenderProcessGoneDetail(env, obj, child_process_id,
                                                    crashed);
 }
 
 void AwContents::RenderProcessReady(content::RenderProcessHost* host) {
   UpdateRendererPriority();
 }
 
 }  // namespace android_webview