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// 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_AUTOFILL_AUTOFILL_EXTERNAL_DELEGATE_H_
#define CHROME_BROWSER_AUTOFILL_AUTOFILL_EXTERNAL_DELEGATE_H_
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "base/string16.h"
#include "chrome/browser/autofill/password_autofill_manager.h"
#include "chrome/browser/ui/autofill/autofill_popup_delegate.h"
#include "chrome/common/form_data.h"
#include "chrome/common/form_field_data.h"
#include "chrome/common/password_form_fill_data.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/web_contents_user_data.h"
#include "ui/gfx/rect.h"
class AutofillManager;
namespace gfx {
class Rect;
}
namespace content {
class WebContents;
}
// TODO(csharp): A lot of the logic in this class is copied from autofillagent.
// Once Autofill is moved out of WebKit this class should be the only home for
// this logic. See http://crbug.com/51644
// Delegate for in-browser Autocomplete and Autofill display and selection.
class AutofillExternalDelegate
: public content::WebContentsUserData<AutofillExternalDelegate>,
public content::NotificationObserver,
public AutofillPopupDelegate {
public:
// Creates an AutofillExternalDelegate and attaches it to the specified
// contents; the second argument is an AutofillManager managing Autofill for
// that WebContents.
static void CreateForWebContentsAndManager(content::WebContents* web_contents,
AutofillManager* autofill_manager);
// AutofillPopupDelegate implementation.
virtual void OnPopupShown(content::KeyboardListener* listener) OVERRIDE;
virtual void OnPopupHidden(content::KeyboardListener* listener) OVERRIDE;
virtual void DidSelectSuggestion(int identifier) OVERRIDE;
virtual void DidAcceptSuggestion(const string16& value,
int identifier) OVERRIDE;
virtual void RemoveSuggestion(const string16& value, int identifier) OVERRIDE;
virtual void ClearPreviewedForm() OVERRIDE;
// Records and associates a query_id with web form data. Called
// when the renderer posts an Autofill query to the browser. |bounds|
// is window relative. |display_warning_if_disabled| tells us if we should
// display warnings (such as autofill is disabled, but had suggestions).
// We might not want to display the warning if a website has disabled
// Autocomplete because they have their own popup, and showing our popup
// on to of theirs would be a poor user experience.
virtual void OnQuery(int query_id,
const FormData& form,
const FormFieldData& field,
const gfx::RectF& element_bounds,
bool display_warning_if_disabled);
// Records query results and correctly formats them before sending them off
// to be displayed. Called when an Autofill query result is available.
virtual void OnSuggestionsReturned(
int query_id,
const std::vector<string16>& autofill_values,
const std::vector<string16>& autofill_labels,
const std::vector<string16>& autofill_icons,
const std::vector<int>& autofill_unique_ids);
// Show password suggestions in the popup.
void OnShowPasswordSuggestions(const std::vector<string16>& suggestions,
const FormFieldData& field,
const gfx::RectF& bounds);
// Set the data list value associated with the current field.
void SetCurrentDataListValues(const std::vector<string16>& autofill_values,
const std::vector<string16>& autofill_labels,
const std::vector<string16>& autofill_icons,
const std::vector<int>& autofill_unique_ids);
// Inform the delegate that the text field editing has ended. This is
// used to help record the metrics of when a new popup is shown.
void DidEndTextFieldEditing();
// Returns the delegate to its starting state by removing any page specific
// values or settings.
void Reset();
// Inform the Password Manager of a filled form.
void AddPasswordFormMapping(
const FormFieldData& form,
const PasswordFormFillData& fill_data);
protected:
friend class content::WebContentsUserData<AutofillExternalDelegate>;
AutofillExternalDelegate(content::WebContents* web_contents,
AutofillManager* autofill_manager);
virtual ~AutofillExternalDelegate();
content::WebContents* web_contents() { return web_contents_; }
private:
// Fills the form with the Autofill data corresponding to |unique_id|.
// If |is_preview| is true then this is just a preview to show the user what
// would be selected and if |is_preview| is false then the user has selected
// this data.
void FillAutofillFormData(int unique_id, bool is_preview);
// Handle applying any Autofill warnings to the Autofill popup.
void ApplyAutofillWarnings(std::vector<string16>* autofill_values,
std::vector<string16>* autofill_labels,
std::vector<string16>* autofill_icons,
std::vector<int>* autofill_unique_ids);
// Handle applying any Autofill option listings to the Autofill popup.
// This function should only get called when there is at least one
// multi-field suggestion in the list of suggestions.
void ApplyAutofillOptions(std::vector<string16>* autofill_values,
std::vector<string16>* autofill_labels,
std::vector<string16>* autofill_icons,
std::vector<int>* autofill_unique_ids);
// Insert the data list values at the start of the given list, including
// any required separators.
void InsertDataListValues(std::vector<string16>* autofill_values,
std::vector<string16>* autofill_labels,
std::vector<string16>* autofill_icons,
std::vector<int>* autofill_unique_ids);
// content::NotificationObserver method override.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// The web_contents associated with this delegate.
content::WebContents* web_contents_; // weak; owns me.
AutofillManager* autofill_manager_; // weak.
// Password Autofill manager, handles all password-related Autofilling.
PasswordAutofillManager password_autofill_manager_;
// The ID of the last request sent for form field Autofill. Used to ignore
// out of date responses.
int autofill_query_id_;
// A scoped container for notification registries.
content::NotificationRegistrar registrar_;
// The current form and field selected by Autofill.
FormData autofill_query_form_;
FormFieldData autofill_query_field_;
// The bounds of the form field that user is interacting with.
gfx::RectF element_bounds_;
// Should we display a warning if Autofill is disabled?
bool display_warning_if_disabled_;
// Does the popup include any Autofill profile or credit card suggestions?
bool has_autofill_suggestion_;
// Have we already shown Autofill suggestions for the field the user is
// currently editing? Used to keep track of state for metrics logging.
bool has_shown_autofill_popup_for_current_edit_;
// The RenderViewHost that this object has been registered with as a
// keyboard listener.
content::RenderViewHost* registered_keyboard_listener_with_;
// The current data list values.
std::vector<string16> data_list_values_;
std::vector<string16> data_list_labels_;
std::vector<string16> data_list_icons_;
std::vector<int> data_list_unique_ids_;
DISALLOW_COPY_AND_ASSIGN(AutofillExternalDelegate);
};
#endif // CHROME_BROWSER_AUTOFILL_AUTOFILL_EXTERNAL_DELEGATE_H_
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