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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/basictypes.h"
#include "base/metrics/histogram.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/protector/base_prefs_change.h"
#include "chrome/browser/protector/histograms.h"
#include "chrome/common/pref_names.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources_standard.h"
#include "ui/base/l10n/l10n_util.h"
namespace protector {
// Homepage change tracked by Protector.
class HomepageChange : public BasePrefsChange {
public:
// Enum for reporting UMA statistics.
enum HomepageType {
HOMEPAGE_NTP = 0,
HOMEPAGE_URL,
// Must be the last value
HOMEPAGE_TYPE_COUNT
};
HomepageChange(const std::string& actual_homepage,
bool actual_homepage_is_ntp,
bool actual_show_homepage,
const std::string& backup_homepage,
bool backup_homepage_is_ntp,
bool backup_show_homepage);
// BaseSettingChange overrides:
virtual bool Init(Profile* profile) OVERRIDE;
virtual void Apply(Browser* browser) OVERRIDE;
virtual void Discard(Browser* browser) OVERRIDE;
virtual void Timeout() OVERRIDE;
virtual int GetBadgeIconID() const OVERRIDE;
virtual int GetMenuItemIconID() const OVERRIDE;
virtual int GetBubbleIconID() const OVERRIDE;
virtual string16 GetBubbleTitle() const OVERRIDE;
virtual string16 GetBubbleMessage() const OVERRIDE;
virtual string16 GetApplyButtonText() const OVERRIDE;
virtual string16 GetDiscardButtonText() const OVERRIDE;
virtual DisplayName GetApplyDisplayName() const OVERRIDE;
virtual GURL GetNewSettingURL() const OVERRIDE;
private:
virtual ~HomepageChange();
const std::string new_homepage_;
const std::string backup_homepage_;
const bool new_homepage_is_ntp_;
const bool backup_homepage_is_ntp_;
const bool new_show_homepage_;
const bool backup_show_homepage_;
const HomepageType new_homepage_type_;
DISALLOW_COPY_AND_ASSIGN(HomepageChange);
};
HomepageChange::HomepageChange(
const std::string& actual_homepage,
bool actual_homepage_is_ntp,
bool actual_show_homepage,
const std::string& backup_homepage,
bool backup_homepage_is_ntp,
bool backup_show_homepage)
: new_homepage_(actual_homepage),
backup_homepage_(backup_homepage),
new_homepage_is_ntp_(actual_homepage_is_ntp),
backup_homepage_is_ntp_(backup_homepage_is_ntp),
new_show_homepage_(actual_show_homepage),
backup_show_homepage_(backup_show_homepage),
new_homepage_type_(actual_homepage_is_ntp ? HOMEPAGE_NTP : HOMEPAGE_URL) {
UMA_HISTOGRAM_ENUMERATION(
kProtectorHistogramHomepageChanged,
new_homepage_type_,
HOMEPAGE_TYPE_COUNT);
}
HomepageChange::~HomepageChange() {
}
bool HomepageChange::Init(Profile* profile) {
if (!BasePrefsChange::Init(profile))
return false;
PrefService* prefs = profile->GetPrefs();
prefs->SetString(prefs::kHomePage, backup_homepage_);
prefs->SetBoolean(prefs::kHomePageIsNewTabPage, backup_homepage_is_ntp_);
prefs->SetBoolean(prefs::kShowHomeButton, backup_show_homepage_);
DismissOnPrefChange(prefs::kHomePage);
DismissOnPrefChange(prefs::kHomePageIsNewTabPage);
DismissOnPrefChange(prefs::kShowHomeButton);
return true;
}
void HomepageChange::Apply(Browser* browser) {
UMA_HISTOGRAM_ENUMERATION(
kProtectorHistogramHomepageApplied,
new_homepage_type_,
HOMEPAGE_TYPE_COUNT);
IgnorePrefChanges();
PrefService* prefs = profile()->GetPrefs();
prefs->SetString(prefs::kHomePage, new_homepage_);
prefs->SetBoolean(prefs::kHomePageIsNewTabPage, new_homepage_is_ntp_);
prefs->SetBoolean(prefs::kShowHomeButton, new_show_homepage_);
}
void HomepageChange::Discard(Browser* browser) {
UMA_HISTOGRAM_ENUMERATION(
kProtectorHistogramHomepageDiscarded,
new_homepage_type_,
HOMEPAGE_TYPE_COUNT);
IgnorePrefChanges();
// Nothing to do here since backup has already been made active by Init().
}
void HomepageChange::Timeout() {
UMA_HISTOGRAM_ENUMERATION(
kProtectorHistogramHomepageTimeout,
new_homepage_type_,
HOMEPAGE_TYPE_COUNT);
}
int HomepageChange::GetBadgeIconID() const {
// Icons are the same for homepage and startup settings.
return IDR_HOMEPAGE_CHANGE_BADGE;
}
int HomepageChange::GetMenuItemIconID() const {
return IDR_HOMEPAGE_CHANGE_MENU;
}
int HomepageChange::GetBubbleIconID() const {
return IDR_HOMEPAGE_CHANGE_ALERT;
}
string16 HomepageChange::GetBubbleTitle() const {
return l10n_util::GetStringUTF16(IDS_HOMEPAGE_CHANGE_TITLE);
}
string16 HomepageChange::GetBubbleMessage() const {
return l10n_util::GetStringUTF16(IDS_HOMEPAGE_CHANGE_BUBBLE_MESSAGE);
}
string16 HomepageChange::GetApplyButtonText() const {
GURL homepage_url(GetNewSettingURL());
return homepage_url.is_empty() ?
l10n_util::GetStringUTF16(IDS_CHANGE_HOMEPAGE_NTP) :
l10n_util::GetStringFUTF16(IDS_CHANGE_HOMEPAGE,
UTF8ToUTF16(homepage_url.host()));
}
string16 HomepageChange::GetDiscardButtonText() const {
GURL new_homepage_url(GetNewSettingURL());
GURL backup_homepage_url;
if (!backup_homepage_is_ntp_)
backup_homepage_url = GURL(backup_homepage_);
if (backup_homepage_url.host() == new_homepage_url.host()) {
// Display a generic string if new setting looks the same as the backup (for
// example, when homepage hasn't changed but 'show homepage button' has).
return l10n_util::GetStringUTF16(IDS_KEEP_SETTING);
}
return backup_homepage_url.is_empty() ?
l10n_util::GetStringUTF16(IDS_KEEP_HOMEPAGE_NTP) :
l10n_util::GetStringFUTF16(IDS_KEEP_HOMEPAGE,
UTF8ToUTF16(backup_homepage_url.host()));
}
BaseSettingChange::DisplayName HomepageChange::GetApplyDisplayName() const {
GURL homepage_url(GetNewSettingURL());
return homepage_url.is_empty() ?
DisplayName(kDefaultNamePriority, string16()) :
DisplayName(kHomepageChangeNamePriority,
UTF8ToUTF16(homepage_url.host()));
}
GURL HomepageChange::GetNewSettingURL() const {
return new_homepage_is_ntp_ ? GURL() : GURL(new_homepage_);
}
BaseSettingChange* CreateHomepageChange(
const std::string& actual_homepage,
bool actual_homepage_is_ntp,
bool actual_show_homepage,
const std::string& backup_homepage,
bool backup_homepage_is_ntp,
bool backup_show_homepage) {
return new HomepageChange(
actual_homepage, actual_homepage_is_ntp, actual_show_homepage,
backup_homepage, backup_homepage_is_ntp, backup_show_homepage);
}
} // namespace protector
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