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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.
#ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "content/public/browser/download_item.h"
#include "ui/base/models/simple_menu_model.h"
namespace content {
class PageNavigator;
}
// This class is responsible for the download shelf context menu. Platform
// specific subclasses are responsible for creating and running the menu.
//
// The DownloadItem corresponding to the context menu is observed for removal or
// destruction.
class DownloadShelfContextMenu : public ui::SimpleMenuModel::Delegate,
public content::DownloadItem::Observer {
public:
enum ContextMenuCommands {
SHOW_IN_FOLDER = 1, // Open a folder view window with the item selected.
OPEN_WHEN_COMPLETE, // Open the download when it's finished.
ALWAYS_OPEN_TYPE, // Default this file extension to always open.
PLATFORM_OPEN, // Open using platform handler.
CANCEL, // Cancel the download.
TOGGLE_PAUSE, // Pause or resume a download.
DISCARD, // Discard the malicious download.
KEEP, // Keep the malicious download.
LEARN_MORE_SCANNING, // Show information about download scanning.
LEARN_MORE_INTERRUPTED,// Show information about interrupted downloads.
};
~DownloadShelfContextMenu() override;
content::DownloadItem* download_item() const { return download_item_; }
protected:
DownloadShelfContextMenu(content::DownloadItem* download_item,
content::PageNavigator* navigator);
// Returns the correct menu model depending on the state of the download item.
// Returns NULL if the download was destroyed.
ui::SimpleMenuModel* GetMenuModel();
// ui::SimpleMenuModel::Delegate:
bool IsCommandIdEnabled(int command_id) const override;
bool IsCommandIdChecked(int command_id) const override;
bool IsCommandIdVisible(int command_id) const override;
void ExecuteCommand(int command_id, int event_flags) override;
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) override;
bool IsItemForCommandIdDynamic(int command_id) const override;
base::string16 GetLabelForCommandId(int command_id) const override;
private:
// Detaches self from |download_item_|. Called when the DownloadItem is
// destroyed or when this object is being destroyed.
void DetachFromDownloadItem();
// content::DownloadItem::Observer
void OnDownloadDestroyed(content::DownloadItem* download) override;
ui::SimpleMenuModel* GetInProgressMenuModel();
ui::SimpleMenuModel* GetFinishedMenuModel();
ui::SimpleMenuModel* GetInterruptedMenuModel();
ui::SimpleMenuModel* GetMaybeMaliciousMenuModel();
ui::SimpleMenuModel* GetMaliciousMenuModel();
int GetAlwaysOpenStringId() const;
#if defined(OS_WIN) || defined(OS_LINUX) || \
(defined(OS_MACOSX) && !defined(OS_IOS))
bool IsDownloadPdf() const;
bool CanOpenPdfInSystemViewer() const;
#endif
// We show slightly different menus if the download is in progress vs. if the
// download has finished.
scoped_ptr<ui::SimpleMenuModel> in_progress_download_menu_model_;
scoped_ptr<ui::SimpleMenuModel> finished_download_menu_model_;
scoped_ptr<ui::SimpleMenuModel> interrupted_download_menu_model_;
scoped_ptr<ui::SimpleMenuModel> maybe_malicious_download_menu_model_;
scoped_ptr<ui::SimpleMenuModel> malicious_download_menu_model_;
// Information source.
content::DownloadItem* download_item_;
// Used to open tabs.
content::PageNavigator* navigator_;
#if defined(OS_WIN)
bool is_adobe_pdf_reader_up_to_date_;
#endif
DISALLOW_COPY_AND_ASSIGN(DownloadShelfContextMenu);
};
#endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
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