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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 "chrome/browser/extensions/extension_warning_set.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/extension_global_error_badge.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/global_error_service.h"
#include "chrome/browser/ui/global_error_service_factory.h"
#include "chrome/common/chrome_notification_types.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_service.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
using content::BrowserThread;
// This class is used to represent warnings if extensions misbehave.
class ExtensionWarning {
public:
// Default constructor for storing ExtensionServiceWarning in STL containers
// do not use.
ExtensionWarning();
// Constructs a warning of type |type| for extension |extension_id|. This
// could be for example the fact that an extension conflicted with others.
ExtensionWarning(ExtensionWarningSet::WarningType type,
const std::string& extension_id);
~ExtensionWarning();
// Returns the specific warning type.
ExtensionWarningSet::WarningType warning_type() const { return type_; }
// Returns the id of the extension for which this warning is valid.
const std::string& extension_id() const { return extension_id_; }
private:
ExtensionWarningSet::WarningType type_;
std::string extension_id_;
// Allow implicit copy and assign operator.
};
ExtensionWarning::ExtensionWarning() : type_(ExtensionWarningSet::kInvalid) {
}
ExtensionWarning::ExtensionWarning(
ExtensionWarningSet::WarningType type,
const std::string& extension_id)
: type_(type), extension_id_(extension_id) {
// These are invalid here because they do not have corresponding warning
// messages in the UI.
CHECK(type != ExtensionWarningSet::kInvalid);
CHECK(type != ExtensionWarningSet::kMaxWarningType);
}
ExtensionWarning::~ExtensionWarning() {
}
bool operator<(const ExtensionWarning& a, const ExtensionWarning& b) {
if (a.warning_type() == b.warning_type())
return a.extension_id() < b.extension_id();
return a.warning_type() < b.warning_type();
}
// Static
string16 ExtensionWarningSet::GetLocalizedWarning(
ExtensionWarningSet::WarningType warning_type) {
switch (warning_type) {
case kInvalid:
case kMaxWarningType:
NOTREACHED();
return string16();
case kNetworkDelay:
return l10n_util::GetStringFUTF16(
IDS_EXTENSION_WARNINGS_NETWORK_DELAY,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
case kNetworkConflict:
return l10n_util::GetStringUTF16(IDS_EXTENSION_WARNINGS_NETWORK_CONFLICT);
case kRepeatedCacheFlushes:
return l10n_util::GetStringFUTF16(
IDS_EXTENSION_WARNINGS_NETWORK_DELAY,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
}
NOTREACHED(); // Switch statement has no default branch.
return string16();
}
ExtensionWarningSet::ExtensionWarningSet(Profile* profile) : profile_(profile) {
}
ExtensionWarningSet::~ExtensionWarningSet() {
}
void ExtensionWarningSet::SetWarning(ExtensionWarningSet::WarningType type,
const std::string& extension_id) {
ExtensionWarning warning(type, extension_id);
bool inserted = warnings_.insert(warning).second;
if (inserted) {
NotifyWarningsChanged();
UpdateWarningBadge();
}
}
void ExtensionWarningSet::ClearWarnings(
const std::set<ExtensionWarningSet::WarningType>& types) {
bool deleted_anything = false;
for (iterator i = warnings_.begin(); i != warnings_.end();) {
if (types.find(i->warning_type()) != types.end()) {
deleted_anything = true;
warnings_.erase(i++);
} else {
++i;
}
}
if (deleted_anything) {
NotifyWarningsChanged();
UpdateWarningBadge();
}
}
void ExtensionWarningSet::GetWarningsAffectingExtension(
const std::string& extension_id,
std::set<ExtensionWarningSet::WarningType>* result) const {
result->clear();
for (const_iterator i = warnings_.begin(); i != warnings_.end(); ++i) {
if (i->extension_id() == extension_id)
result->insert(i->warning_type());
}
}
// static
void ExtensionWarningSet::NotifyWarningsOnUI(
void* profile_id,
std::set<std::string> extension_ids,
WarningType warning_type) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
Profile* profile = reinterpret_cast<Profile*>(profile_id);
if (!profile ||
!g_browser_process->profile_manager() ||
!g_browser_process->profile_manager()->IsValidProfile(profile)) {
return;
}
ExtensionWarningSet* warnings =
profile->GetExtensionService()->extension_warnings();
for (std::set<std::string>::const_iterator i = extension_ids.begin();
i != extension_ids.end(); ++i) {
warnings->SetWarning(warning_type, *i);
}
}
void ExtensionWarningSet::SuppressBadgeForCurrentWarnings() {
badge_suppressions_.insert(warnings_.begin(), warnings_.end());
UpdateWarningBadge();
}
void ExtensionWarningSet::NotifyWarningsChanged() {
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_WARNING_CHANGED,
content::Source<Profile>(profile_),
content::NotificationService::NoDetails());
}
void ExtensionWarningSet::UpdateWarningBadge() {
// We need a badge if a warning exists that has not been suppressed.
bool need_warning_badge = false;
for (const_iterator i = warnings_.begin(); i != warnings_.end(); ++i) {
if (badge_suppressions_.find(*i) == badge_suppressions_.end()) {
need_warning_badge = true;
break;
}
}
GlobalErrorService* service =
GlobalErrorServiceFactory::GetForProfile(profile_);
GlobalError* error = service->GetGlobalErrorByMenuItemCommandID(
ExtensionGlobalErrorBadge::GetMenuItemCommandID());
// Activate or hide the warning badge in case the current state is incorrect.
if (error && !need_warning_badge) {
service->RemoveGlobalError(error);
delete error;
} else if (!error && need_warning_badge) {
service->AddGlobalError(new ExtensionGlobalErrorBadge);
}
}
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