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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_PLUGIN_INSTALLER_H_
#define CHROME_BROWSER_PLUGIN_INSTALLER_H_
#pragma once
#include "base/observer_list.h"
#include "base/string16.h"
#include "googleurl/src/gurl.h"
#include "content/public/browser/download_id.h"
#include "content/public/browser/download_item.h"
#include "net/base/net_errors.h"
class FilePath;
class PluginInstallerObserver;
class TabContentsWrapper;
class WeakPluginInstallerObserver;
namespace content {
class WebContents;
}
class PluginInstaller : public content::DownloadItem::Observer {
public:
enum State {
kStateIdle,
kStateDownloading,
};
PluginInstaller(const std::string& identifier,
const GURL& plugin_url,
const GURL& help_url,
const string16& name,
bool url_for_display);
virtual ~PluginInstaller();
virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
virtual void OnDownloadOpened(content::DownloadItem* download) OVERRIDE;
void AddObserver(PluginInstallerObserver* observer);
void RemoveObserver(PluginInstallerObserver* observer);
void AddWeakObserver(WeakPluginInstallerObserver* observer);
void RemoveWeakObserver(WeakPluginInstallerObserver* observer);
State state() const { return state_; }
// Unique identifier for the plug-in. Should be kept in sync with the
// identifier in plugin_list.cc.
const std::string& identifier() const { return identifier_; }
// Human-readable name of the plug-in.
const string16& name() const { return name_; }
// If |url_for_display| is false, |plugin_url| is the URL of the download page
// for the plug-in, which should be opened in a new tab. If it is true,
// |plugin_url| is the URL of the plug-in installer binary, which can be
// directly downloaded.
bool url_for_display() const { return url_for_display_; }
const GURL& plugin_url() const { return plugin_url_; }
// URL to open when the user clicks on the "Problems installing?" link.
const GURL& help_url() const { return help_url_; }
// Opens the download URL in a new tab. This method should only be called if
// |url_for_display| returns true.
void OpenDownloadURL(content::WebContents* web_contents);
// Starts downloading the download URL and opens the downloaded file
// when finished. This method should only be called if |url_for_display|
// returns false.
void StartInstalling(TabContentsWrapper* wrapper);
private:
void DownloadStarted(scoped_refptr<content::DownloadManager> dlm,
content::DownloadId download_id,
net::Error error);
void DownloadError(const std::string& msg);
void DownloadCancelled();
State state_;
ObserverList<PluginInstallerObserver> observers_;
ObserverList<WeakPluginInstallerObserver> weak_observers_;
std::string identifier_;
GURL plugin_url_;
GURL help_url_;
string16 name_;
bool url_for_display_;
DISALLOW_COPY_AND_ASSIGN(PluginInstaller);
};
#endif // CHROME_BROWSER_PLUGIN_INSTALLER_H_
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