allow wallet items to appear in requestAutocomplete UI

chrome/browser/ui/autofill/data_model_wrapper.h

+// Copyright (c) 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.
+
+#ifndef CHROME_BROWSER_UI_AUTOFILL_DATA_MODEL_WRAPPER_H_
+#define CHROME_BROWSER_UI_AUTOFILL_DATA_MODEL_WRAPPER_H_
+
+#include "base/compiler_specific.h"
+#include "base/string16.h"
+#include "chrome/browser/autofill/field_types.h"
+#include "chrome/browser/autofill/wallet/wallet_items.h"
+#include "chrome/browser/ui/autofill/autofill_dialog_types.h"
+
+class CreditCard;
+class FormGroup;
+class FormStructure;
+
+namespace gfx {
+class Image;
+}
+
+namespace wallet {
+class Address;
+}
+
+namespace autofill {
+
+// An interface that allows uniform interactions with autocomplete data sources,
+// regardless of their type. Implementations are intended to be lightweight and
+// copyable, only holding weak references to their backing model.
+class DataModelWrapper {
+ public:
+  virtual ~DataModelWrapper();
+
+  // Returns the data for a specific autocomplete type.
+  virtual string16 GetInfo(AutofillFieldType type) = 0;
+
+  // Returns the icon, if any, that represents this model.
+  virtual gfx::Image GetIcon() = 0;
+
+  // Fills in |inputs| with the data that this model contains (|inputs| is an
+  // out-param).
+  virtual void FillInputs(DetailInputs* inputs) = 0;
+
+  // Fills in |form_structure| with the data that this model contains. |inputs|
+  // and |comparator| are used to determine whether each field in the
+  // FormStructure should be filled in or left alone.
+  virtual void FillFormStructure(
+      const DetailInputs& inputs,
+      const InputFieldComparator& compare,
+      FormStructure* form_structure) = 0;
+};
+
+// A DataModelWrapper for Autofill data.
+class AutofillDataModelWrapper : public DataModelWrapper {
+ public:
+  AutofillDataModelWrapper(const FormGroup* form_group, size_t variant);
+  virtual ~AutofillDataModelWrapper();
+
+  virtual string16 GetInfo(AutofillFieldType type) OVERRIDE;
+  virtual gfx::Image GetIcon() OVERRIDE;
+  virtual void FillInputs(DetailInputs* inputs) OVERRIDE;
+  virtual void FillFormStructure(
+      const DetailInputs& inputs,
+      const InputFieldComparator& compare,
+      FormStructure* form_structure) OVERRIDE;
+
+ private:
+  const FormGroup* form_group_;
+  const size_t variant_;
+};
+
+// A DataModelWrapper specifically for Autofill CreditCard data.
+class AutofillCreditCardWrapper : public AutofillDataModelWrapper {
+ public:
+  explicit AutofillCreditCardWrapper(const CreditCard* card);
+  virtual ~AutofillCreditCardWrapper();
+
+  virtual gfx::Image GetIcon() OVERRIDE;
+
+ private:
+  const CreditCard* card_;
+};
+
+// A DataModelWrapper for Wallet instruments.
+class WalletInstrumentWrapper : public DataModelWrapper {
+ public:
+  explicit WalletInstrumentWrapper(
+      const wallet::WalletItems::MaskedInstrument* instrument);
+  virtual ~WalletInstrumentWrapper();
+
+  virtual string16 GetInfo(AutofillFieldType type) OVERRIDE;
+  virtual gfx::Image GetIcon() OVERRIDE;
+  virtual void FillInputs(DetailInputs* inputs) OVERRIDE;
+  virtual void FillFormStructure(
+      const DetailInputs& inputs,
+      const InputFieldComparator& compare,
+      FormStructure* form_structure) OVERRIDE;
+
+ private:
+  const wallet::WalletItems::MaskedInstrument* instrument_;
+};
+
+// A DataModelWrapper for Wallet addresses.
+class WalletAddressWrapper : public DataModelWrapper {
+ public:
+  explicit WalletAddressWrapper(const wallet::Address* address);
+  virtual ~WalletAddressWrapper();
+
+  virtual string16 GetInfo(AutofillFieldType type) OVERRIDE;
+  virtual gfx::Image GetIcon() OVERRIDE;
+  virtual void FillInputs(DetailInputs* inputs) OVERRIDE;
+  virtual void FillFormStructure(
+      const DetailInputs& inputs,
+      const InputFieldComparator& compare,
+      FormStructure* form_structure) OVERRIDE;
+
+ private:
+  const wallet::Address* address_;
+};
+
+}
+
+#endif  // CHROME_BROWSER_UI_AUTOFILL_DATA_MODEL_WRAPPER_H_