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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/protector/protector_service.h"
#include "base/logging.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/protector/settings_change_global_error.h"
#include "chrome/browser/protector/protected_prefs_watcher.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/notification_source.h"
namespace protector {
ProtectorService::ProtectorService(Profile* profile)
: profile_(profile),
has_active_change_(false) {
// Start observing pref changes.
prefs_watcher_.reset(new ProtectedPrefsWatcher(profile));
}
ProtectorService::~ProtectorService() {
DCHECK(!IsShowingChange()); // Should have been dismissed by Shutdown.
}
void ProtectorService::ShowChange(BaseSettingChange* change) {
DCHECK(change);
Item new_item;
new_item.change.reset(change);
DVLOG(1) << "Init change";
if (!change->Init(profile_)) {
LOG(WARNING) << "Error while initializing, dismissing change";
return;
}
SettingsChangeGlobalError* error =
new SettingsChangeGlobalError(change, this);
new_item.error.reset(error);
items_.push_back(new_item);
// Do not show the bubble immediately if another one is active.
error->AddToProfile(profile_, !has_active_change_);
has_active_change_ = true;
}
bool ProtectorService::IsShowingChange() const {
return !items_.empty();
}
void ProtectorService::ApplyChange(BaseSettingChange* change,
Browser* browser) {
change->Apply(browser);
DismissChange(change);
}
void ProtectorService::DiscardChange(BaseSettingChange* change,
Browser* browser) {
change->Discard(browser);
DismissChange(change);
}
void ProtectorService::DismissChange(BaseSettingChange* change) {
std::vector<Item>::iterator item =
std::find_if(items_.begin(), items_.end(), MatchItemByChange(change));
DCHECK(item != items_.end());
item->error->RemoveFromProfile();
}
void ProtectorService::OpenTab(const GURL& url, Browser* browser) {
DCHECK(browser);
browser->ShowSingletonTab(url);
}
ProtectedPrefsWatcher* ProtectorService::GetPrefsWatcher() {
return prefs_watcher_.get();
}
void ProtectorService::Shutdown() {
while (IsShowingChange())
items_[0].error->RemoveFromProfile();
}
void ProtectorService::OnApplyChange(SettingsChangeGlobalError* error,
Browser* browser) {
DVLOG(1) << "Apply change";
error->change()->Apply(browser);
has_active_change_ = false;
}
void ProtectorService::OnDiscardChange(SettingsChangeGlobalError* error,
Browser* browser) {
DVLOG(1) << "Discard change";
error->change()->Discard(browser);
has_active_change_ = false;
}
void ProtectorService::OnDecisionTimeout(SettingsChangeGlobalError* error) {
DVLOG(1) << "Timeout";
error->change()->Timeout();
}
void ProtectorService::OnRemovedFromProfile(SettingsChangeGlobalError* error) {
std::vector<Item>::iterator item =
std::find_if(items_.begin(), items_.end(), MatchItemByError(error));
DCHECK(item != items_.end());
items_.erase(item);
if (!has_active_change_) {
// If there are changes that haven't been shown yet, show the first one.
for (item = items_.begin(); item != items_.end(); ++item) {
if (!item->error->HasShownBubbleView()) {
item->error->ShowBubble();
has_active_change_ = true;
return;
}
}
}
}
BaseSettingChange* ProtectorService::GetLastChange() {
return items_.empty() ? NULL : items_.back().change.get();
}
ProtectorService::Item::Item() {
}
ProtectorService::Item::~Item() {
}
ProtectorService::MatchItemByChange::MatchItemByChange(
const BaseSettingChange* other) : other_(other) {
}
bool ProtectorService::MatchItemByChange::operator()(
const ProtectorService::Item& item) {
return other_ == item.change.get();
}
ProtectorService::MatchItemByError::MatchItemByError(
const SettingsChangeGlobalError* other) : other_(other) {
}
bool ProtectorService::MatchItemByError::operator()(
const ProtectorService::Item& item) {
return other_ == item.error.get();
}
} // namespace protector
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