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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/gtest_prod_util.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_interrupt_reasons.h"
#include "content/public/browser/download_item.h"
#include "url/gurl.h"
class PluginInstallerObserver;
class WeakPluginInstallerObserver;
namespace content {
class DownloadManager;
class WebContents;
struct WebPluginInfo;
}
class PluginInstaller : public content::DownloadItem::Observer {
public:
enum InstallerState {
INSTALLER_STATE_IDLE,
INSTALLER_STATE_DOWNLOADING,
};
PluginInstaller();
~PluginInstaller() override;
void OnDownloadUpdated(content::DownloadItem* download) override;
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 StartInstallingWithDownloadManager(
const GURL& plugin_url,
content::WebContents* web_contents,
content::DownloadManager* download_manager);
void DownloadStarted(content::DownloadItem* item,
content::DownloadInterruptReason interrupt_reason);
void DownloadError(const std::string& msg);
void DownloadCancelled();
InstallerState state_;
ObserverList<PluginInstallerObserver> observers_;
int strong_observer_count_;
ObserverList<WeakPluginInstallerObserver> weak_observers_;
FRIEND_TEST_ALL_PREFIXES(PluginInstallerTest,
StartInstalling_SuccessfulDownload);
FRIEND_TEST_ALL_PREFIXES(PluginInstallerTest, StartInstalling_FailedStart);
FRIEND_TEST_ALL_PREFIXES(PluginInstallerTest, StartInstalling_Interrupted);
DISALLOW_COPY_AND_ASSIGN(PluginInstaller);
};
#endif // CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_H_
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