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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.
// EditKeywordController provides text fields for editing a keyword: the title,
// url and actual keyword. It is used by the KeywordEditorView of the Options
// dialog, and also on its own to confirm the addition of a keyword added by
// the ExternalJSObject via the RenderView.
#ifndef CHROME_BROWSER_VIEWS_EDIT_KEYWORD_CONTROLLER_H_
#define CHROME_BROWSER_VIEWS_EDIT_KEYWORD_CONTROLLER_H_
#include <Windows.h>
#include "chrome/views/controls/text_field.h"
#include "chrome/views/window/dialog_delegate.h"
namespace views {
class Label;
class ImageView;
class Window;
}
class KeywordEditorView;
class Profile;
class TemplateURL;
class TemplateURLModel;
class EditKeywordController : public views::TextField::Controller,
public views::DialogDelegate {
public:
// The template_url and/or keyword_editor_view may be NULL.
EditKeywordController(HWND parent,
const TemplateURL* template_url,
KeywordEditorView* keyword_editor_view,
Profile* profile);
virtual ~EditKeywordController() {}
// Shows the dialog to the user. EditKeywordController takes care of
// deleting itself after show has been invoked.
void Show();
// DialogDelegate overrides.
virtual bool IsModal() const;
virtual std::wstring GetWindowTitle() const;
virtual int GetDialogButtons() const;
virtual bool IsDialogButtonEnabled(DialogButton button) const;
virtual void DeleteDelegate();
virtual bool Cancel();
virtual bool Accept();
virtual views::View* GetContentsView();
// views::TextField::Controller overrides. Updates whether the user can
// accept the dialog as well as updating image views showing whether value is
// valid.
virtual void ContentsChanged(views::TextField* sender,
const std::wstring& new_contents);
virtual void HandleKeystroke(views::TextField* sender,
UINT message,
TCHAR key,
UINT repeat_count,
UINT flags);
private:
void Init();
// Create a Label containing the text with the specified message id.
views::Label* CreateLabel(int message_id);
// Creates a text field with the specified text. If |lowercase| is true, the
// textfield is configured to map all input to lower case.
views::TextField* CreateTextField(const std::wstring& text, bool lowercase);
// Returns true if the currently input URL is valid. The URL is valid if it
// contains no search terms and is a valid url, or if it contains a search
// term and replacing that search term with a character results in a valid
// url.
bool IsURLValid() const;
// Returns the URL the user has input. The returned URL is suitable for use
// by TemplateURL.
std::wstring GetURL() const;
// Returns whether the currently entered keyword is valid. The keyword is
// valid if it is non-empty and does not conflict with an existing entry.
// NOTE: this is just the keyword, not the title and url.
bool IsKeywordValid() const;
// Invokes UpdateImageView for each of the images views.
void UpdateImageViews();
// Updates the tooltip and image of the image view based on is_valid. If
// is_valid is false the tooltip of the image view is set to the message with
// id invalid_message_id, otherwise the tooltip is set to the empty text.
void UpdateImageView(views::ImageView* image_view,
bool is_valid,
int invalid_message_id);
// Deletes an unused TemplateURL, if its add was cancelled and it's not
// already owned by the TemplateURLModel.
void CleanUpCancelledAdd();
// The TemplateURL we're displaying information for. It may be NULL. If we
// have a keyword_editor_view, we assume that this TemplateURL is already in
// the TemplateURLModel; if not, we assume it isn't.
const TemplateURL* template_url_;
// Used to parent window to. May be NULL or an invalid window.
HWND parent_;
// View containing the buttons, text fields ...
views::View* view_;
// We may have been created by this, in which case we will call back to it on
// success to add/modify the entry. May be NULL.
KeywordEditorView* keyword_editor_view_;
// Profile whose TemplateURLModel we're modifying.
Profile* profile_;
// Text fields.
views::TextField* title_tf_;
views::TextField* keyword_tf_;
views::TextField* url_tf_;
// Shows error images.
views::ImageView* title_iv_;
views::ImageView* keyword_iv_;
views::ImageView* url_iv_;
DISALLOW_COPY_AND_ASSIGN(EditKeywordController);
};
#endif // CHROME_BROWSER_VIEWS_EDIT_KEYWORD_CONTROLLER_H_
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