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// Copyright (c) 2012 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_PLUGINS_PLUGIN_INSTALLER_H_
#define CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_H_
#include "base/observer_list.h"
#include "base/strings/string16.h"
#include "base/version.h"
#include "chrome/browser/plugins/plugin_metadata.h"
#include "content/public/browser/download_item.h"
#include "net/base/net_errors.h"
#include "url/gurl.h"
class PluginInstallerObserver;
class WeakPluginInstallerObserver;
namespace content {
class WebContents;
struct WebPluginInfo;
}
class PluginInstaller : public content::DownloadItem::Observer {
public:
enum InstallerState {
INSTALLER_STATE_IDLE,
INSTALLER_STATE_DOWNLOADING,
};
PluginInstaller();
virtual ~PluginInstaller();
virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
virtual void OnDownloadDestroyed(content::DownloadItem* download) OVERRIDE;
void AddObserver(PluginInstallerObserver* observer);
void RemoveObserver(PluginInstallerObserver* observer);
void AddWeakObserver(WeakPluginInstallerObserver* observer);
void RemoveWeakObserver(WeakPluginInstallerObserver* observer);
InstallerState state() const { return state_; }
// Opens the download URL in a new tab.
void OpenDownloadURL(const GURL& plugin_url,
content::WebContents* web_contents);
// Starts downloading the download URL and opens the downloaded file
// when finished.
void StartInstalling(const GURL& plugin_url,
content::WebContents* web_contents);
private:
void DownloadStarted(content::DownloadItem* item, net::Error error);
void DownloadError(const std::string& msg);
void DownloadCancelled();
InstallerState state_;
ObserverList<PluginInstallerObserver> observers_;
int strong_observer_count_;
ObserverList<WeakPluginInstallerObserver> weak_observers_;
DISALLOW_COPY_AND_ASSIGN(PluginInstaller);
};
#endif // CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_H_
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