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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_
#include "base/observer_list.h"
#include "base/string16.h"
#include "base/version.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 TabContents;
class WeakPluginInstallerObserver;
namespace content {
class WebContents;
}
namespace webkit {
struct WebPluginInfo;
}
class PluginInstaller : public content::DownloadItem::Observer {
public:
enum InstallerState {
INSTALLER_STATE_IDLE,
INSTALLER_STATE_DOWNLOADING,
};
// Information about a certain version of the plug-in.
enum SecurityStatus {
SECURITY_STATUS_UP_TO_DATE,
SECURITY_STATUS_OUT_OF_DATE,
SECURITY_STATUS_REQUIRES_AUTHORIZATION,
};
PluginInstaller(const std::string& identifier,
const string16& name,
bool url_for_display,
const GURL& plugin_url,
const GURL& help_url);
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);
// Unique identifier for the plug-in.
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_; }
InstallerState state() const { return state_; }
// Adds information about a plug-in version.
void AddVersion(const Version& version, SecurityStatus status);
// Returns the security status for the given plug-in (i.e. whether it is
// considered out-of-date, etc.)
SecurityStatus GetSecurityStatus(const webkit::WebPluginInfo& plugin) const;
// 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(TabContents* tab_contents);
// If |status_str| describes a valid security status, writes it to |status|
// and returns true, else returns false and leaves |status| unchanged.
static bool ParseSecurityStatus(const std::string& status_str,
SecurityStatus* status);
private:
struct VersionComparator {
bool operator() (const Version& lhs, const Version& rhs) const;
};
void DownloadStarted(scoped_refptr<content::DownloadManager> dlm,
content::DownloadId download_id,
net::Error error);
void DownloadError(const std::string& msg);
void DownloadCancelled();
std::string identifier_;
string16 name_;
bool url_for_display_;
GURL plugin_url_;
GURL help_url_;
std::map<Version, SecurityStatus, VersionComparator> versions_;
InstallerState state_;
ObserverList<PluginInstallerObserver> observers_;
ObserverList<WeakPluginInstallerObserver> weak_observers_;
DISALLOW_COPY_AND_ASSIGN(PluginInstaller);
};
#endif // CHROME_BROWSER_PLUGIN_INSTALLER_H_
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