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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/extensions/extension_settings_overridden_dialog.h"
#include <set>
#include <utility>
#include "base/metrics/histogram_functions.h"
#include "base/supports_user_data.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/extensions/extensions_overrides/simple_overrides.h"
#include "extensions/browser/disable_reason.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/extension_registrar.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/management_policy.h"
#include "extensions/common/extension.h"
namespace {
using extensions::ExtensionId;
constexpr char kShownExtensionDataKey[] = "shown_for_extensions";
// A series of helpers to record which profiles the dialog has already shown
// for (in this session only).
struct ShownExtensionSet : public base::SupportsUserData::Data {
std::set<ExtensionId> shown_ids;
};
ShownExtensionSet* GetShownExtensionSet(Profile* profile,
bool create_if_missing) {
auto* shown_set = static_cast<ShownExtensionSet*>(
profile->GetUserData(kShownExtensionDataKey));
if (!shown_set && create_if_missing) {
auto new_shown_set = std::make_unique<ShownExtensionSet>();
shown_set = new_shown_set.get();
profile->SetUserData(kShownExtensionDataKey, std::move(new_shown_set));
}
return shown_set;
}
bool HasShownFor(Profile* profile, const ExtensionId& id) {
const ShownExtensionSet* shown_set = GetShownExtensionSet(profile, false);
return shown_set && shown_set->shown_ids.count(id) > 0;
}
void MarkShownFor(Profile* profile, const ExtensionId& id) {
ShownExtensionSet* shown_set = GetShownExtensionSet(profile, true);
DCHECK(shown_set);
bool inserted = shown_set->shown_ids.insert(id).second;
DCHECK(inserted);
}
} // namespace
ExtensionSettingsOverriddenDialog::Params::Params(
extensions::ExtensionId controlling_extension_id,
const char* extension_acknowledged_preference_name,
const char* dialog_result_histogram_name,
std::u16string dialog_title,
std::u16string dialog_message,
const gfx::VectorIcon* icon)
: controlling_extension_id(std::move(controlling_extension_id)),
extension_acknowledged_preference_name(
extension_acknowledged_preference_name),
dialog_result_histogram_name(dialog_result_histogram_name),
dialog_title(std::move(dialog_title)),
dialog_message(std::move(dialog_message)),
icon(icon) {}
ExtensionSettingsOverriddenDialog::Params::~Params() = default;
ExtensionSettingsOverriddenDialog::Params::Params(Params&& params) = default;
ExtensionSettingsOverriddenDialog::ExtensionSettingsOverriddenDialog(
Params params,
Profile* profile)
: params_(std::move(params)), profile_(profile) {
DCHECK(!params_.controlling_extension_id.empty());
}
ExtensionSettingsOverriddenDialog::~ExtensionSettingsOverriddenDialog() =
default;
bool ExtensionSettingsOverriddenDialog::ShouldShow() {
if (params_.controlling_extension_id.empty()) {
return false;
}
if (HasShownFor(profile_, params_.controlling_extension_id)) {
return false;
}
if (HasAcknowledgedExtension(params_.controlling_extension_id)) {
return false;
}
const extensions::Extension* extension =
extensions::ExtensionRegistry::Get(profile_)
->enabled_extensions()
.GetByID(params_.controlling_extension_id);
DCHECK(extension);
// Don't display the dialog for force-installed extensions that can't be
// disabled.
if (extensions::ExtensionSystem::Get(profile_)
->management_policy()
->MustRemainEnabled(extension, nullptr)) {
return false;
}
// Don't show the extension if it's considered a "simple override" extension.
if (simple_overrides::IsSimpleOverrideExtension(*extension)) {
return false;
}
return true;
}
SettingsOverriddenDialogController::ShowParams
ExtensionSettingsOverriddenDialog::GetShowParams() {
DCHECK(ShouldShow());
const extensions::Extension* extension =
extensions::ExtensionRegistry::Get(profile_)
->enabled_extensions()
.GetByID(params_.controlling_extension_id);
DCHECK(extension);
return {params_.dialog_title, params_.dialog_message, params_.icon};
}
void ExtensionSettingsOverriddenDialog::OnDialogShown() {
DCHECK(ShouldShow());
MarkShownFor(profile_, params_.controlling_extension_id);
}
void ExtensionSettingsOverriddenDialog::HandleDialogResult(
DialogResult result) {
DCHECK(!params_.controlling_extension_id.empty());
DCHECK(!HasAcknowledgedExtension(params_.controlling_extension_id));
DCHECK(HasShownFor(profile_, params_.controlling_extension_id));
// It's possible the extension was removed or disabled while the dialog was
// being displayed. If this is the case, bail early.
if (!extensions::ExtensionRegistry::Get(profile_)
->enabled_extensions()
.Contains(params_.controlling_extension_id)) {
return;
}
switch (result) {
case DialogResult::kChangeSettingsBack:
DisableControllingExtension();
break;
case DialogResult::kKeepNewSettings:
AcknowledgeControllingExtension();
break;
case DialogResult::kDialogDismissed:
case DialogResult::kDialogClosedWithoutUserAction:
// Do nothing; the dialog will display on the next run of Chrome.
break;
}
base::UmaHistogramEnumeration(params_.dialog_result_histogram_name, result);
}
void ExtensionSettingsOverriddenDialog::DisableControllingExtension() {
extensions::ExtensionRegistrar::Get(profile_)->DisableExtension(
params_.controlling_extension_id,
{extensions::disable_reason::DISABLE_USER_ACTION});
}
void ExtensionSettingsOverriddenDialog::AcknowledgeControllingExtension() {
extensions::ExtensionPrefs::Get(profile_)->UpdateExtensionPref(
params_.controlling_extension_id,
params_.extension_acknowledged_preference_name, base::Value(true));
}
bool ExtensionSettingsOverriddenDialog::HasAcknowledgedExtension(
const ExtensionId& id) {
bool pref_state = false;
return extensions::ExtensionPrefs::Get(profile_)->ReadPrefAsBoolean(
id, params_.extension_acknowledged_preference_name, &pref_state) &&
pref_state;
}
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