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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_DOWNLOAD_DOWNLOAD_SHELF_H_
#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_H_
#include "base/basictypes.h"
class BaseDownloadItemModel;
class TabContents;
// DownloadShelf is an interface for platform-specific download shelves to
// implement. It also contains some shared logic. This class should not be
// instantiated directly, but rather created via a call to Create().
class DownloadShelf {
public:
explicit DownloadShelf(TabContents* tab_contents)
: tab_contents_(tab_contents) { }
virtual ~DownloadShelf() { }
// Creates a platform-specific DownloadShelf, passing ownership to the caller.
static DownloadShelf* Create(TabContents* tab_contents);
// A new download has started, so add it to our shelf. This object will
// take ownership of |download_model|.
virtual void AddDownload(BaseDownloadItemModel* download_model) = 0;
// Invoked when the user clicks the 'show all downloads' link button.
void ShowAllDownloads();
// Invoked when the download shelf is migrated from one tab contents to a new
// one.
void ChangeTabContents(TabContents* old_contents, TabContents* new_contents);
// The browser view needs to know when we are going away to properly return
// the resize corner size to WebKit so that we don't draw on top of it.
// This returns the showing state of our animation which is set to false at
// the beginning Show and true at the beginning of a Hide.
virtual bool IsShowing() const = 0;
protected:
TabContents* tab_contents_;
private:
DISALLOW_COPY_AND_ASSIGN(DownloadShelf);
};
#endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_H_
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