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// Copyright (c) 2009 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_SEARCH_ENGINES_TEMPLATE_URL_TABLE_MODEL_H_
#define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_TABLE_MODEL_H_
#include "app/table_model.h"
#include "chrome/browser/search_engines/template_url_model.h"
class ModelEntry;
class SkBitmap;
class TemplateURL;
class TemplateURLModel;
class TemplateURLTableModel;
// TemplateURLTableModel is the TableModel implementation used by
// KeywordEditorView to show the keywords in a TableView.
//
// TemplateURLTableModel has two columns, the first showing the description,
// the second the keyword.
//
// TemplateURLTableModel maintains a vector of ModelEntrys that correspond to
// each row in the tableview. Each ModelEntry wraps a TemplateURL, providing
// the favicon. The entries in the model are sorted such that non-generated
// appear first (grouped together) and are followed by generated keywords.
class TemplateURLTableModel : public TableModel,
TemplateURLModelObserver {
public:
explicit TemplateURLTableModel(TemplateURLModel* template_url_model);
virtual ~TemplateURLTableModel();
// Reloads the entries from the TemplateURLModel. This should ONLY be invoked
// if the TemplateURLModel wasn't initially loaded and has been loaded.
void Reload();
// TableModel overrides.
virtual int RowCount();
virtual std::wstring GetText(int row, int column);
virtual SkBitmap GetIcon(int row);
virtual void SetObserver(TableModelObserver* observer);
virtual bool HasGroups();
virtual Groups GetGroups();
virtual int GetGroupID(int row);
// Removes the entry at the specified index.
void Remove(int index);
// Adds a new entry at the specified index.
void Add(int index, TemplateURL* template_url);
// Update the entry at the specified index.
void ModifyTemplateURL(int index, const std::wstring& title,
const std::wstring& keyword, const std::wstring& url);
// Reloads the icon at the specified index.
void ReloadIcon(int index);
// Returns The TemplateURL at the specified index.
const TemplateURL& GetTemplateURL(int index);
// Returns the index of the TemplateURL, or -1 if it the TemplateURL is not
// found.
int IndexOfTemplateURL(const TemplateURL* template_url);
// Moves the keyword at the specified index to be at the end of the main
// group. Returns the new index. If the entry is already in the main group,
// no action is taken, and the current index is returned.
int MoveToMainGroup(int index);
// Make the TemplateURL at |index| the default. Returns the new index, or -1
// if the index is invalid or it is already the default.
int MakeDefaultTemplateURL(int index);
// If there is an observer, it's notified the selected row has changed.
void NotifyChanged(int index);
TemplateURLModel* template_url_model() const { return template_url_model_; }
// Returns the index of the last entry shown in the search engines group.
int last_search_engine_index() const { return last_search_engine_index_; }
private:
friend class ModelEntry;
// Notification that a model entry has fetched its icon.
void FavIconAvailable(ModelEntry* entry);
// TemplateURLModelObserver notification.
virtual void OnTemplateURLModelChanged();
TableModelObserver* observer_;
// The entries.
std::vector<ModelEntry*> entries_;
// The model we're displaying entries from.
TemplateURLModel* template_url_model_;
// Index of the last search engine in entries_. This is used to determine the
// group boundaries.
int last_search_engine_index_;
DISALLOW_EVIL_CONSTRUCTORS(TemplateURLTableModel);
};
#endif // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_TABLE_MODEL_H_
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