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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.
#include "base/utf_string_conversions.h"
#include "chrome/browser/autofill/autocomplete_history_manager.h"
#include "chrome/browser/autofill/autofill_external_delegate.h"
#include "chrome/browser/autofill/autofill_manager.h"
#include "chrome/browser/ui/autofill/autofill_popup_controller_impl.h"
#include "chrome/common/autofill_messages.h"
#include "chrome/common/chrome_constants.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebAutofillClient.h"
#include "ui/base/l10n/l10n_util.h"
#if defined(OS_ANDROID)
#include "content/public/browser/android/content_view_core.h"
#endif
using content::RenderViewHost;
using WebKit::WebAutofillClient;
DEFINE_WEB_CONTENTS_USER_DATA_KEY(AutofillExternalDelegate);
void AutofillExternalDelegate::CreateForWebContentsAndManager(
content::WebContents* web_contents,
AutofillManager* autofill_manager) {
if (FromWebContents(web_contents))
return;
web_contents->SetUserData(
UserDataKey(),
new AutofillExternalDelegate(web_contents, autofill_manager));
}
AutofillExternalDelegate::AutofillExternalDelegate(
content::WebContents* web_contents,
AutofillManager* autofill_manager)
: web_contents_(web_contents),
autofill_manager_(autofill_manager),
controller_(NULL),
password_autofill_manager_(web_contents),
autofill_query_id_(0),
display_warning_if_disabled_(false),
has_shown_autofill_popup_for_current_edit_(false) {
registrar_.Add(this,
content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED,
content::Source<content::WebContents>(web_contents));
if (web_contents) {
registrar_.Add(
this,
content::NOTIFICATION_NAV_ENTRY_COMMITTED,
content::Source<content::NavigationController>(
&(web_contents->GetController())));
}
}
AutofillExternalDelegate::~AutofillExternalDelegate() {
if (controller_)
controller_->Hide();
}
void AutofillExternalDelegate::OnQuery(int query_id,
const FormData& form,
const FormFieldData& field,
const gfx::Rect& element_bounds,
bool display_warning_if_disabled) {
autofill_query_form_ = form;
autofill_query_field_ = field;
display_warning_if_disabled_ = display_warning_if_disabled;
autofill_query_id_ = query_id;
EnsurePopupForElement(element_bounds);
}
void AutofillExternalDelegate::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) {
if (query_id != autofill_query_id_ || !controller_)
return;
std::vector<string16> values(autofill_values);
std::vector<string16> labels(autofill_labels);
std::vector<string16> icons(autofill_icons);
std::vector<int> ids(autofill_unique_ids);
// Add a separator to go between the values and menu items.
values.push_back(string16());
labels.push_back(string16());
icons.push_back(string16());
ids.push_back(WebAutofillClient::MenuItemIDSeparator);
ApplyAutofillWarnings(&values, &labels, &icons, &ids);
// Only include "Autofill Options" special menu item if we have Autofill
// items, identified by |unique_ids| having at least one valid value.
bool has_autofill_item = false;
for (size_t i = 0; i < ids.size(); ++i) {
if (ids[i] > 0) {
has_autofill_item = true;
break;
}
}
if (has_autofill_item)
ApplyAutofillOptions(&values, &labels, &icons, &ids);
// Remove the separator if it is the last element.
if (ids.back() == WebAutofillClient::MenuItemIDSeparator) {
values.pop_back();
labels.pop_back();
icons.pop_back();
ids.pop_back();
}
InsertDataListValues(&values, &labels, &icons, &ids);
if (values.empty()) {
// No suggestions, any popup currently showing is obsolete.
HideAutofillPopup();
return;
}
// Send to display.
if (autofill_query_field_.is_focusable) {
ApplyAutofillSuggestions(values, labels, icons, ids);
if (autofill_manager_) {
autofill_manager_->OnDidShowAutofillSuggestions(
has_autofill_item && !has_shown_autofill_popup_for_current_edit_);
}
has_shown_autofill_popup_for_current_edit_ |= has_autofill_item;
}
}
void AutofillExternalDelegate::OnShowPasswordSuggestions(
const std::vector<string16>& suggestions,
const FormFieldData& field,
const gfx::Rect& element_bounds) {
autofill_query_field_ = field;
EnsurePopupForElement(element_bounds);
if (suggestions.empty()) {
HideAutofillPopup();
return;
}
std::vector<string16> empty(suggestions.size());
std::vector<int> password_ids(suggestions.size(),
WebAutofillClient::MenuItemIDPasswordEntry);
ApplyAutofillSuggestions(suggestions, empty, empty, password_ids);
}
void AutofillExternalDelegate::EnsurePopupForElement(
const gfx::Rect& element_bounds) {
// Convert element_bounds to be in screen space. If |web_contents_| is NULL
// then assume the element_bounds is already in screen space (since we don't
// have any other way of converting to screen space).
gfx::Rect element_bounds_in_screen_space = element_bounds;
if (web_contents_) {
gfx::Rect client_area;
web_contents_->GetContainerBounds(&client_area);
element_bounds_in_screen_space += client_area.OffsetFromOrigin();
}
// |controller_| owns itself.
controller_ = AutofillPopupControllerImpl::GetOrCreate(
controller_,
this,
// web_contents() may be NULL during testing.
web_contents() ? web_contents()->GetView()->GetContentNativeView() : NULL,
element_bounds_in_screen_space);
}
void AutofillExternalDelegate::ApplyAutofillSuggestions(
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) {
controller_->Show(autofill_values,
autofill_labels,
autofill_icons,
autofill_unique_ids);
web_contents()->GetRenderViewHost()->AddKeyboardListener(controller_);
}
void AutofillExternalDelegate::SetCurrentDataListValues(
const std::vector<string16>& data_list_values,
const std::vector<string16>& data_list_labels,
const std::vector<string16>& data_list_icons,
const std::vector<int>& data_list_unique_ids) {
data_list_values_ = data_list_values;
data_list_labels_ = data_list_labels;
data_list_icons_ = data_list_icons;
data_list_unique_ids_ = data_list_unique_ids;
}
void AutofillExternalDelegate::DidSelectSuggestion(int identifier) {
ClearPreviewedForm();
// Only preview the data if it is a profile.
if (identifier > 0)
FillAutofillFormData(identifier, true);
}
void AutofillExternalDelegate::DidAcceptSuggestion(const string16& value,
int identifier) {
RenderViewHost* host = web_contents_->GetRenderViewHost();
if (identifier == WebAutofillClient::MenuItemIDAutofillOptions) {
// User selected 'Autofill Options'.
autofill_manager_->OnShowAutofillDialog();
} else if (identifier == WebAutofillClient::MenuItemIDClearForm) {
// User selected 'Clear form'.
host->Send(new AutofillMsg_ClearForm(host->GetRoutingID()));
} else if (identifier == WebAutofillClient::MenuItemIDPasswordEntry &&
password_autofill_manager_.DidAcceptAutofillSuggestion(
autofill_query_field_, value)) {
// DidAcceptAutofillSuggestion has already handled the work to fill in
// the page as required.
} else if (identifier == WebAutofillClient::MenuItemIDDataListEntry) {
host->Send(new AutofillMsg_AcceptDataListSuggestion(host->GetRoutingID(),
value));
} else if (identifier == WebAutofillClient::MenuItemIDAutocompleteEntry) {
// User selected an Autocomplete, so we fill directly.
host->Send(new AutofillMsg_SetNodeText(host->GetRoutingID(), value));
} else {
FillAutofillFormData(identifier, false);
}
HideAutofillPopup();
}
void AutofillExternalDelegate::RemoveSuggestion(const string16& value,
int identifier) {
if (identifier > 0) {
autofill_manager_->RemoveAutofillProfileOrCreditCard(identifier);
} else if (web_contents_) {
autofill_manager_->RemoveAutocompleteEntry(autofill_query_field_.name,
value);
}
}
void AutofillExternalDelegate::DidEndTextFieldEditing() {
HideAutofillPopup();
has_shown_autofill_popup_for_current_edit_ = false;
}
void AutofillExternalDelegate::ClearPreviewedForm() {
if (web_contents_) {
RenderViewHost* host = web_contents_->GetRenderViewHost();
if (host)
host->Send(new AutofillMsg_ClearPreviewedForm(host->GetRoutingID()));
}
}
void AutofillExternalDelegate::ControllerDestroyed() {
web_contents()->GetRenderViewHost()->RemoveKeyboardListener(controller_);
controller_ = NULL;
}
void AutofillExternalDelegate::HideAutofillPopup() {
if (controller_) {
controller_->Hide();
// Go ahead and invalidate |controller_|. After calling Hide(), it won't
// inform |this| of its destruction.
ControllerDestroyed();
}
}
void AutofillExternalDelegate::Reset() {
HideAutofillPopup();
password_autofill_manager_.Reset();
}
void AutofillExternalDelegate::AddPasswordFormMapping(
const FormFieldData& form,
const PasswordFormFillData& fill_data) {
password_autofill_manager_.AddPasswordFormMapping(form, fill_data);
}
void AutofillExternalDelegate::FillAutofillFormData(int unique_id,
bool is_preview) {
// If the selected element is a warning we don't want to do anything.
if (unique_id == WebAutofillClient::MenuItemIDWarningMessage)
return;
RenderViewHost* host = web_contents_->GetRenderViewHost();
if (is_preview) {
host->Send(new AutofillMsg_SetAutofillActionPreview(
host->GetRoutingID()));
} else {
host->Send(new AutofillMsg_SetAutofillActionFill(
host->GetRoutingID()));
}
// Fill the values for the whole form.
autofill_manager_->OnFillAutofillFormData(autofill_query_id_,
autofill_query_form_,
autofill_query_field_,
unique_id);
}
void AutofillExternalDelegate::ApplyAutofillWarnings(
std::vector<string16>* autofill_values,
std::vector<string16>* autofill_labels,
std::vector<string16>* autofill_icons,
std::vector<int>* autofill_unique_ids) {
if (!autofill_query_field_.should_autocomplete) {
// If autofill is disabled and we had suggestions, show a warning instead.
autofill_values->assign(
1, l10n_util::GetStringUTF16(IDS_AUTOFILL_WARNING_FORM_DISABLED));
autofill_labels->assign(1, string16());
autofill_icons->assign(1, string16());
autofill_unique_ids->assign(1, WebAutofillClient::MenuItemIDWarningMessage);
} else if (autofill_unique_ids->size() > 1 &&
(*autofill_unique_ids)[0] ==
WebAutofillClient::MenuItemIDWarningMessage) {
// If we received a warning instead of suggestions from autofill but regular
// suggestions from autocomplete, don't show the autofill warning.
autofill_values->erase(autofill_values->begin());
autofill_labels->erase(autofill_labels->begin());
autofill_icons->erase(autofill_icons->begin());
autofill_unique_ids->erase(autofill_unique_ids->begin());
}
// If we were about to show a warning and we shouldn't, don't.
if (!autofill_unique_ids->empty() &&
(*autofill_unique_ids)[0] ==
WebAutofillClient::MenuItemIDWarningMessage &&
!display_warning_if_disabled_) {
autofill_values->clear();
autofill_labels->clear();
autofill_icons->clear();
autofill_unique_ids->clear();
}
}
void AutofillExternalDelegate::ApplyAutofillOptions(
std::vector<string16>* autofill_values,
std::vector<string16>* autofill_labels,
std::vector<string16>* autofill_icons,
std::vector<int>* autofill_unique_ids) {
// The form has been auto-filled, so give the user the chance to clear the
// form. Append the 'Clear form' menu item.
if (autofill_query_field_.is_autofilled) {
autofill_values->push_back(
l10n_util::GetStringUTF16(IDS_AUTOFILL_CLEAR_FORM_MENU_ITEM));
autofill_labels->push_back(string16());
autofill_icons->push_back(string16());
autofill_unique_ids->push_back(WebAutofillClient::MenuItemIDClearForm);
}
// Append the 'Chrome Autofill options' menu item;
autofill_values->push_back(
l10n_util::GetStringUTF16(IDS_AUTOFILL_OPTIONS_POPUP));
autofill_labels->push_back(string16());
autofill_icons->push_back(string16());
autofill_unique_ids->push_back(WebAutofillClient::MenuItemIDAutofillOptions);
}
void AutofillExternalDelegate::InsertDataListValues(
std::vector<string16>* autofill_values,
std::vector<string16>* autofill_labels,
std::vector<string16>* autofill_icons,
std::vector<int>* autofill_unique_ids) {
if (data_list_values_.empty())
return;
// Insert the separator between the datalist and Autofill values (if there
// are any).
if (!autofill_values->empty()) {
autofill_values->insert(autofill_values->begin(), string16());
autofill_labels->insert(autofill_labels->begin(), string16());
autofill_icons->insert(autofill_icons->begin(), string16());
autofill_unique_ids->insert(autofill_unique_ids->begin(),
WebAutofillClient::MenuItemIDSeparator);
}
// Insert the datalist elements.
autofill_values->insert(autofill_values->begin(),
data_list_values_.begin(),
data_list_values_.end());
autofill_labels->insert(autofill_labels->begin(),
data_list_labels_.begin(),
data_list_labels_.end());
autofill_icons->insert(autofill_icons->begin(),
data_list_icons_.begin(),
data_list_icons_.end());
autofill_unique_ids->insert(autofill_unique_ids->begin(),
data_list_unique_ids_.begin(),
data_list_unique_ids_.end());
}
void AutofillExternalDelegate::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
if (type == content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED) {
if (!*content::Details<bool>(details).ptr())
HideAutofillPopup();
} else if (type == content::NOTIFICATION_NAV_ENTRY_COMMITTED) {
HideAutofillPopup();
} else {
NOTREACHED();
}
}
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