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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.
#ifndef CHROME_BROWSER_PROTECTOR_BASE_SETTING_CHANGE_H_
#define CHROME_BROWSER_PROTECTOR_BASE_SETTING_CHANGE_H_
#pragma once
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/string16.h"
class Browser;
class Profile;
class TemplateURL;
namespace protector {
// Base class for setting change tracked by Protector.
class BaseSettingChange {
public:
BaseSettingChange();
virtual ~BaseSettingChange();
// Applies initial actions to the setting if needed. Must be called before
// any other calls are made, including text getters.
// Returns true if initialization was successful.
// Associates this change with |profile| instance so overrides must call the
// base method.
virtual bool Init(Profile* profile);
// Persists new setting if needed. |browser| is the Browser instance from
// which the user action originates.
virtual void Apply(Browser* browser);
// Restores old setting if needed. |browser| is the Browser instance from
// which the user action originates.
virtual void Discard(Browser* browser);
// Indicates that user has ignored this change and timeout has passed.
virtual void Timeout();
// Returns the resource ID of the badge icon.
virtual int GetBadgeIconID() const = 0;
// Returns the resource ID for the menu item icon.
virtual int GetMenuItemIconID() const = 0;
// Returns the resource ID for bubble view icon.
virtual int GetBubbleIconID() const = 0;
// Returns the wrench menu item and bubble title.
virtual string16 GetBubbleTitle() const = 0;
// Returns the bubble message text.
virtual string16 GetBubbleMessage() const = 0;
// Returns text for the button to apply the change with |Apply|.
// Returns empty string if no apply button should be shown.
virtual string16 GetApplyButtonText() const = 0;
// Returns text for the button to discard the change with |Discard|.
virtual string16 GetDiscardButtonText() const = 0;
protected:
// Profile instance we've been associated with by an |Init| call.
Profile* profile() { return profile_; }
private:
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(BaseSettingChange);
};
// TODO(ivankr): CompositeSettingChange that incapsulates multiple
// BaseSettingChange instances.
// Allocates and initializes BaseSettingChange implementation for default search
// provider setting. Reports corresponding histograms. Both |actual| and
// |backup| may be NULL if corresponding values are unknown or invalid.
// |backup| will be owned by the returned |BaseSettingChange| instance. |actual|
// is not owned and is safe to destroy after Protector::ShowChange has been
// called for the returned instance.
BaseSettingChange* CreateDefaultSearchProviderChange(
const TemplateURL* actual,
TemplateURL* backup);
} // namespace protector
#endif // CHROME_BROWSER_PROTECTOR_BASE_SETTING_CHANGE_H_
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