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// Copyright (c) 2011 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/notifications/notification_exceptions_table_model.h"
#include "base/auto_reset.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/content_settings.h"
#include "chrome/common/content_settings_helper.h"
#include "chrome/common/content_settings_types.h"
#include "chrome/common/url_constants.h"
#include "content/common/notification_service.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/table_model_observer.h"
struct NotificationExceptionsTableModel::Entry {
Entry(const GURL& origin, ContentSetting setting);
bool operator<(const Entry& b) const;
GURL origin;
ContentSetting setting;
};
NotificationExceptionsTableModel::NotificationExceptionsTableModel(
DesktopNotificationService* service)
: service_(service),
updates_disabled_(false),
observer_(NULL) {
registrar_.Add(this,
chrome::NOTIFICATION_DESKTOP_NOTIFICATION_SETTINGS_CHANGED,
Source<DesktopNotificationService>(service));
LoadEntries();
}
NotificationExceptionsTableModel::~NotificationExceptionsTableModel() {}
bool NotificationExceptionsTableModel::CanRemoveRows(
const Rows& rows) const {
return !rows.empty();
}
void NotificationExceptionsTableModel::RemoveRows(const Rows& rows) {
AutoReset<bool> tmp(&updates_disabled_, true);
// This is O(n^2) in rows.size(). Since n is small, that's ok.
for (Rows::const_reverse_iterator i(rows.rbegin()); i != rows.rend(); ++i) {
size_t row = *i;
Entry* entry = &entries_[row];
if (entry->setting == CONTENT_SETTING_ALLOW) {
service_->ResetAllowedOrigin(entry->origin);
} else {
DCHECK_EQ(entry->setting, CONTENT_SETTING_BLOCK);
service_->ResetBlockedOrigin(entry->origin);
}
entries_.erase(entries_.begin() + row); // Note: |entry| is now garbage.
if (observer_)
observer_->OnItemsRemoved(row, 1);
}
}
void NotificationExceptionsTableModel::RemoveAll() {
AutoReset<bool> tmp(&updates_disabled_, true);
entries_.clear();
service_->ResetAllOrigins();
if (observer_)
observer_->OnModelChanged();
}
int NotificationExceptionsTableModel::RowCount() {
return static_cast<int>(entries_.size());
}
string16 NotificationExceptionsTableModel::GetText(int row,
int column_id) {
const Entry& entry = entries_[row];
if (column_id == IDS_EXCEPTIONS_HOSTNAME_HEADER) {
return content_settings_helper::OriginToString16(entry.origin);
}
if (column_id == IDS_EXCEPTIONS_ACTION_HEADER) {
switch (entry.setting) {
case CONTENT_SETTING_ALLOW:
return l10n_util::GetStringUTF16(IDS_EXCEPTIONS_ALLOW_BUTTON);
case CONTENT_SETTING_BLOCK:
return l10n_util::GetStringUTF16(IDS_EXCEPTIONS_BLOCK_BUTTON);
default:
break;
}
}
NOTREACHED();
return string16();
}
void NotificationExceptionsTableModel::SetObserver(
ui::TableModelObserver* observer) {
observer_ = observer;
}
void NotificationExceptionsTableModel::Observe(
int type,
const NotificationSource& source,
const NotificationDetails& details) {
if (!updates_disabled_) {
DCHECK_EQ(type, chrome::NOTIFICATION_DESKTOP_NOTIFICATION_SETTINGS_CHANGED);
DCHECK_EQ(Source<DesktopNotificationService>(source).ptr(), service_);
entries_.clear();
LoadEntries();
if (observer_)
observer_->OnModelChanged();
}
}
void NotificationExceptionsTableModel::LoadEntries() {
std::vector<GURL> allowed(service_->GetAllowedOrigins());
std::vector<GURL> blocked(service_->GetBlockedOrigins());
entries_.reserve(allowed.size() + blocked.size());
for (size_t i = 0; i < allowed.size(); ++i)
entries_.push_back(Entry(allowed[i], CONTENT_SETTING_ALLOW));
for (size_t i = 0; i < blocked.size(); ++i)
entries_.push_back(Entry(blocked[i], CONTENT_SETTING_BLOCK));
std::sort(entries_.begin(), entries_.end());
}
NotificationExceptionsTableModel::Entry::Entry(
const GURL& in_origin,
ContentSetting in_setting)
: origin(in_origin),
setting(in_setting) {
}
bool NotificationExceptionsTableModel::Entry::operator<(
const NotificationExceptionsTableModel::Entry& b) const {
DCHECK_NE(origin, b.origin);
return origin < b.origin;
}
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