autofill-try

components/autofill/content/browser/autofill_provider_android.cc

+// Copyright 2017 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 "components/autofill/content/browser/autofill_provider_android.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "components/autofill/content/browser/form_data_android.h"
+#include "content/public/browser/browser_thread.h"
+#include "jni/AutofillProvider_jni.h"
+#include "ui/gfx/geometry/rect_f.h"
+
+using base::android::AttachCurrentThread;
+using base::android::ConvertUTF16ToJavaString;
+using base::android::ConvertUTF8ToJavaString;
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
+using content::BrowserThread;
+using gfx::RectF;
+
+namespace autofill {
+
+const int kInvalidRequestId = -1;
+
+static jlong CreateNativePeer(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& jcaller) {
+  return reinterpret_cast<jlong>(
+      new autofill::AutofillProviderAndroid(jcaller));
+}
+
+AutofillProviderAndroid::AutofillProviderAndroid(
+    const JavaParamRef<jobject>& jcaller)
+    : id_(kInvalidRequestId),
+      driver_(nullptr) {
+  JNIEnv* env = AttachCurrentThread();
+  java_ref_ = JavaObjectWeakGlobalRef(env, jcaller);
+}
+
+AutofillProviderAndroid::~AutofillProviderAndroid() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  Java_AutofillProvider_OnNativeDestroyed(env, obj);
+}
+
+void AutofillProviderAndroid::OnQueryFormFieldAutofill(
+    ContentAutofillDriver* driver,
+    int32_t id,
+    const FormData& form,
+    const FormFieldData& field,
+    const gfx::RectF& bounding_box) {
+  LOG(ERROR) << "bt:" << __PRETTY_FUNCTION__ << " id:" << id;
+  // The id isn't passed to Java side because Android API guaranttes the
+  // response is always for current session, so we just use the current id
+  // in response, see OnAutofillAvailable.
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  id_ = id;
+  if (driver_ == driver && form_ && form_->SameFormAs(form)) {
+    size_t index;
+    if (form_->GetFieldIndex(field, &index)) {
+      OnFocusChanged(true, index, bounding_box);
+    }
+    return;
+  }
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  form_.reset(new FormDataAndroid(form));
+
+  size_t index;
+  if (!form_->GetFieldIndex(field, &index))
+    return;
+
+  ScopedJavaLocalRef<jobject> formObj = form_->GetJavaPeer();
+  driver_ = driver;
+  Java_AutofillProvider_queryFormFieldAutofill(env, obj, formObj, index,
+      bounding_box.x(), bounding_box.y(), bounding_box.width(), bounding_box.height());
+}
+
+void AutofillProviderAndroid::OnAutofillAvailable(JNIEnv*env,
+                                                  jobject jcaller,
+                                                  jobject formData) {
+  LOG(ERROR) << "bt:" << __PRETTY_FUNCTION__;
+  const FormData& form = form_->PullAutofillValues();
+  if (driver_)
+    SendFormDataToRenderer(driver_, id_, form);
+}
+
+void AutofillProviderAndroid::OnTextFieldDidChange(
+    ContentAutofillDriver* driver,
+    const FormData& form,
+    const FormFieldData& field,
+    const base::TimeTicks& timestamp) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  LOG(ERROR) << "bt:" << __PRETTY_FUNCTION__;
+  if (!ValidateDriver(driver))
+    return;
+
+  if (!form_->SameFormAs(form)) {
+    LOG(ERROR) << "bt:" << "form fields count is different";
+    return;
+  }
+
+  size_t index;
+  if (!form_->GetFieldIndex(field, &index))
+    return;
+
+  form_->OnTextFieldDidChange(index, field.value);
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  Java_AutofillProvider_onTextFieldDidChange(env, obj, index);
+}
+
+void AutofillProviderAndroid::OnWillSubmitForm(
+    ContentAutofillDriver* driver,
+    const FormData& form,
+    const base::TimeTicks& timestamp) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  if (!ValidateDriver(driver))
+    return;
+
+  if (!form_->SameFormAs(form)) {
+    LOG(ERROR) << "bt:" << "Submitted form is different than current one";
+    return;
+  }
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+  Java_AutofillProvider_OnWillSubmitForm(env, obj);
+}
+
+void AutofillProviderAndroid::OnFocusNoLongerOnForm(
+    ContentAutofillDriver* driver) {
+  if (!ValidateDriver(driver))
+    return;
+  OnFocusChanged(false, 0, RectF());
+}
+
+void AutofillProviderAndroid::OnFocusChanged(bool focus_on_form,
+                                             size_t index,
+                                             const gfx::RectF& bounding_box) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+
+  Java_AutofillProvider_OnFocusChanged(env, obj, focus_on_form, index,
+      bounding_box.x(), bounding_box.y(), bounding_box.width(), bounding_box.height());
+}
+
+void AutofillProviderAndroid::OnDidFillAutofillFormData(
+    ContentAutofillDriver* driver,
+    const FormData& form,
+    base::TimeTicks timestamp) {
+  if (driver != driver_ || !form_ || !form_->SameFormAs(form))
+    return;
+
+  for (auto field : form.fields) {
+    if (!field.is_autofilled)
+      continue;
+    OnTextFieldDidChange(driver, form, field, timestamp);
+  }
+}
+
+void AutofillProviderAndroid::OnContentAutofillDriverDestroyed(
+    ContentAutofillDriver* driver) {
+  if (driver == driver_)
+    driver_ = nullptr;
+}
+
+bool AutofillProviderAndroid::ValidateDriver(ContentAutofillDriver* driver) {
+  bool ret = driver == driver_;
+  if (!ret)
+    driver_ = nullptr;
+  return ret;
+}
+
+bool RegisterAutofillProvider(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace autofil