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// Copyright (c) 2006-2008 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_VIEWS_OPTIONS_OPTIONS_PAGE_VIEW_H__
#define CHROME_BROWSER_VIEWS_OPTIONS_OPTIONS_PAGE_VIEW_H__
#include "chrome/browser/options_window.h"
#include "chrome/browser/profile.h"
#include "chrome/common/notification_observer.h"
#include "chrome/views/link.h"
#include "chrome/views/native_button.h"
class PrefService;
///////////////////////////////////////////////////////////////////////////////
// OptionsPageView
//
// A base class for Options dialog pages that handles ensuring control
// initialization is done just once.
//
class OptionsPageView : public views::View,
public NotificationObserver {
public:
virtual ~OptionsPageView();
// Returns true if the window containing this view can be closed, given the
// current state of this view. This can be used to prevent the window from
// being closed when a modal dialog box is showing, for example.
virtual bool CanClose() const { return true; }
// Highlights the specified group to attract the user's attention.
virtual void HighlightGroup(OptionsGroup highlight_group) { }
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
protected:
// This class cannot be instantiated directly, but its constructor must be
// called by derived classes.
explicit OptionsPageView(Profile* profile);
// Returns the Profile associated with this page.
Profile* profile() const { return profile_; }
// Records a user action and schedules the prefs file to be saved.
void UserMetricsRecordAction(const wchar_t* action, PrefService* prefs);
// Initializes the layout of the controls within the panel.
virtual void InitControlLayout() = 0;
// Allows the UI to update when a preference value changes. The parameter is
// the specific pref that changed, or NULL if all pref UI should be
// validated. This is also called immediately after InitControlLayout()
// during setup, but with NULL as the parameter to allow initial state to be
// set.
virtual void NotifyPrefChanged(const std::wstring* pref_name) { }
// views::View overrides:
virtual void ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child);
// Returns the HWND on which created windows should be parented.
HWND GetRootWindow() const;
private:
// The Profile associated with this page.
Profile* profile_;
// Whether or not the control layout has been initialized for this page.
bool initialized_;
DISALLOW_EVIL_CONSTRUCTORS(OptionsPageView);
};
#endif // #ifndef CHROME_BROWSER_VIEWS_OPTIONS_OPTIONS_PAGE_VIEW_H__
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