15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_OBSERVER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_OBSERVER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PluginInstaller; 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PluginInstallerObserver { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit PluginInstallerObserver(PluginInstaller* installer); 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~PluginInstallerObserver(); 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PluginInstaller* installer() const { return installer_; } 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class PluginInstaller; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DownloadStarted(); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DownloadFinished(); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DownloadError(const std::string& message); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DownloadCancelled(); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Weak pointer; Owned by PluginFinder, which is a singleton. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PluginInstaller* installer_; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A WeakPluginInstallerObserver is like a weak pointer to the installer, in the 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// sense that if only weak observers are left, we don't need to show 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// installation UI anymore. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WeakPluginInstallerObserver : public PluginInstallerObserver { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit WeakPluginInstallerObserver(PluginInstaller* installer); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~WeakPluginInstallerObserver(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class PluginInstaller; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnlyWeakObserversLeft(); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_OBSERVER_H_ 47