WebView autofill implementation

components/autofill/android/autofill_provider_android.h

Index: components/autofill/android/autofill_provider_android.h
diff --git a/components/autofill/android/autofill_provider_android.h b/components/autofill/android/autofill_provider_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..b75d546bc16b143338e6b64df4fd6e515056a531
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+++ b/components/autofill/android/autofill_provider_android.h
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+// 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.
+
+#ifndef COMPONENTS_AUTOFILL_ANDROID_AUTOFILL_PROVIDER_ANDROID_H_
+#define COMPONENTS_AUTOFILL_ANDROID_AUTOFILL_PROVIDER_ANDROID_H_
+
+#include "base/android/jni_weak_ref.h"
+#include "base/memory/weak_ptr.h"
+#include "components/autofill/core/browser/autofill_provider.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace autofill {
+
+class FormDataAndroid;
+
+// Android implementation of AutofillProvider, it has one instance per
+// WebContents, this class is native peer of AutofillProvider.java.
+class AutofillProviderAndroid : public AutofillProvider {
+ public:
+  AutofillProviderAndroid(const base::android::JavaRef<jobject>& jcaller,
+                          content::WebContents* web_contents);
+  ~AutofillProviderAndroid() override;
+
+  // AutofillProvider:
+  void OnQueryFormFieldAutofill(AutofillHandlerProxy* handler,
+                                int32_t id,
+                                const FormData& form,
+                                const FormFieldData& field,
+                                const gfx::RectF& bounding_box) override;
+  void OnTextFieldDidChange(AutofillHandlerProxy* handler,
+                            const FormData& form,
+                            const FormFieldData& field,
+                            const base::TimeTicks timestamp) override;
+  bool OnWillSubmitForm(AutofillHandlerProxy* handler,
+                        const FormData& form,
+                        const base::TimeTicks timestamp) override;
+  void OnFocusNoLongerOnForm(AutofillHandlerProxy* handler) override;
+  void OnDidFillAutofillFormData(AutofillHandlerProxy* handler,
+                                 const FormData& form,
+                                 base::TimeTicks timestamp) override;
+  void Reset(AutofillHandlerProxy* handler) override;
+
+  // Methods called by Java.
+  void OnAutofillAvailable(JNIEnv* env, jobject jcaller, jobject form_data);
+
+ private:
+  void OnFocusChanged(bool focus_on_form,
+                      size_t index,
+                      const gfx::RectF& bounding_box);
+
+  bool ValidateHandler(AutofillHandlerProxy* handler);
+
+  int32_t id_;
+  std::unique_ptr<FormDataAndroid> form_;
+  base::WeakPtr<AutofillHandlerProxy> handler_;
+  JavaObjectWeakGlobalRef java_ref_;
+  content::WebContents* web_contents_;
+
+  DISALLOW_COPY_AND_ASSIGN(AutofillProviderAndroid);
+};
+
+bool RegisterAutofillProvider(JNIEnv* env);
+
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_ANDROID_AUTOFILL_PROVIDER_ANDROID_H_