| // Copyright 2014 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_METRICS_PLUGIN_METRICS_PROVIDER_H_ |
| #define CHROME_BROWSER_METRICS_PLUGIN_METRICS_PROVIDER_H_ |
| |
| #include <map> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/strings/string16.h" |
| #include "components/metrics/metrics_provider.h" |
| #include "content/public/browser/browser_child_process_observer.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace content { |
| struct WebPluginInfo; |
| } |
| |
| class PrefRegistrySimple; |
| class PrefService; |
| |
| // PluginMetricsProvider is responsible for adding out plugin information to |
| // the UMA proto. |
| class PluginMetricsProvider : public metrics::MetricsProvider, |
| public content::BrowserChildProcessObserver { |
| public: |
| explicit PluginMetricsProvider(PrefService* local_state); |
| virtual ~PluginMetricsProvider(); |
| |
| // Fetches plugin information data asynchronously and calls |done_callback| |
| // when done. |
| void GetPluginInformation(const base::Closure& done_callback); |
| |
| // metrics::MetricsDataProvider: |
| virtual void ProvideSystemProfileMetrics( |
| metrics::SystemProfileProto* system_profile_proto) OVERRIDE; |
| virtual void ProvideStabilityMetrics( |
| metrics::SystemProfileProto* system_profile_proto) OVERRIDE; |
| virtual void RecordCurrentState() OVERRIDE; |
| |
| // Notifies the provider about an error loading the plugin at |plugin_path|. |
| void LogPluginLoadingError(const base::FilePath& plugin_path); |
| |
| // Sets this provider's list of plugins, exposed for testing. |
| void SetPluginsForTesting(const std::vector<content::WebPluginInfo>& plugins); |
| |
| // Returns true if process of type |type| should be counted as a plugin |
| // process, and false otherwise. |
| static bool IsPluginProcess(int process_type); |
| |
| // Registers local state prefs used by this class. |
| static void RegisterPrefs(PrefRegistrySimple* registry); |
| |
| private: |
| struct ChildProcessStats; |
| |
| // Receives the plugin list from the PluginService and calls |done_callback|. |
| void OnGotPlugins(const base::Closure& done_callback, |
| const std::vector<content::WebPluginInfo>& plugins); |
| |
| // Returns reference to ChildProcessStats corresponding to |data|. |
| ChildProcessStats& GetChildProcessStats( |
| const content::ChildProcessData& data); |
| |
| // content::BrowserChildProcessObserver: |
| virtual void BrowserChildProcessHostConnected( |
| const content::ChildProcessData& data) OVERRIDE; |
| virtual void BrowserChildProcessCrashed( |
| const content::ChildProcessData& data) OVERRIDE; |
| virtual void BrowserChildProcessInstanceCreated( |
| const content::ChildProcessData& data) OVERRIDE; |
| |
| PrefService* local_state_; |
| |
| // The list of plugins which was retrieved on the file thread. |
| std::vector<content::WebPluginInfo> plugins_; |
| |
| // Buffer of child process notifications for quick access. |
| std::map<base::string16, ChildProcessStats> child_process_stats_buffer_; |
| |
| base::WeakPtrFactory<PluginMetricsProvider> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PluginMetricsProvider); |
| }; |
| |
| #endif // CHROME_BROWSER_METRICS_PLUGIN_METRICS_PROVIDER_H_ |