| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_BROWSER_WEB_MODULE_STAT_TRACKER_H_ |
| #define COBALT_BROWSER_WEB_MODULE_STAT_TRACKER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/scoped_vector.h" |
| #include "base/time.h" |
| #include "cobalt/base/c_val.h" |
| #include "cobalt/base/stop_watch.h" |
| #include "cobalt/dom/dom_stat_tracker.h" |
| #include "cobalt/dom/event.h" |
| #include "cobalt/layout/layout_stat_tracker.h" |
| |
| namespace cobalt { |
| namespace browser { |
| |
| // This class handles tracking web module stats and is intended for single |
| // thread use. It also owns the |DomStatTracker| and |LayoutStatTracker|. |
| class WebModuleStatTracker : public base::StopWatchOwner { |
| public: |
| WebModuleStatTracker(const std::string& name, |
| bool should_track_injected_events); |
| ~WebModuleStatTracker(); |
| |
| dom::DomStatTracker* dom_stat_tracker() const { |
| return dom_stat_tracker_.get(); |
| } |
| |
| layout::LayoutStatTracker* layout_stat_tracker() const { |
| return layout_stat_tracker_.get(); |
| } |
| |
| // |OnStartInjectEvent| starts event stat tracking if |
| // |should_track_injected_events_| is true. Otherwise, it does nothing. |
| void OnStartInjectEvent(const scoped_refptr<dom::Event>& event); |
| |
| // |OnEndInjectEvent| notifies the event stat tracking that the event has |
| // finished being injected. If no animation frame callbacks and also no render |
| // tree is pending, it also ends tracking of the event. |
| void OnEndInjectEvent(bool are_animation_frame_callbacks_pending, |
| bool is_new_render_tree_pending); |
| |
| // |OnRanAnimationFrameCallbacks| ends stat tracking for the current event |
| // if no render tree is pending. |
| void OnRanAnimationFrameCallbacks(bool is_new_render_tree_pending); |
| |
| // |OnRenderTreeProduced| ends stat tracking for the current event. |
| void OnRenderTreeProduced(); |
| |
| private: |
| enum EventType { |
| kEventTypeInvalid = -1, |
| kEventTypeKeyDown, |
| kEventTypeKeyUp, |
| kNumEventTypes, |
| }; |
| |
| enum StopWatchType { |
| kStopWatchTypeEvent, |
| kStopWatchTypeInjectEvent, |
| kNumStopWatchTypes, |
| }; |
| |
| struct EventStats { |
| explicit EventStats(const std::string& name); |
| |
| base::CVal<bool, base::CValPublic> produced_render_tree_; |
| |
| // Count-related |
| base::CVal<int, base::CValPublic> count_dom_html_elements_created; |
| base::CVal<int, base::CValPublic> count_dom_html_elements_destroyed; |
| base::CVal<int, base::CValPublic> count_dom_html_elements_added; |
| base::CVal<int, base::CValPublic> count_dom_html_elements_removed; |
| base::CVal<int, base::CValPublic> count_dom_update_matching_rules; |
| base::CVal<int, base::CValPublic> count_dom_update_computed_style; |
| base::CVal<int, base::CValPublic> |
| count_dom_generate_html_element_computed_style; |
| base::CVal<int, base::CValPublic> |
| count_dom_generate_pseudo_element_computed_style; |
| base::CVal<int, base::CValPublic> count_layout_boxes_created; |
| base::CVal<int, base::CValPublic> count_layout_boxes_destroyed; |
| base::CVal<int, base::CValPublic> count_layout_update_size; |
| base::CVal<int, base::CValPublic> count_layout_render_and_animate; |
| base::CVal<int, base::CValPublic> count_layout_update_cross_references; |
| |
| // Duration-related |
| base::CVal<base::TimeDelta, base::CValPublic> duration_total; |
| base::CVal<base::TimeDelta, base::CValPublic> duration_dom_inject_event; |
| base::CVal<base::TimeDelta, base::CValPublic> |
| duration_dom_run_animation_frame_callbacks; |
| base::CVal<base::TimeDelta, base::CValPublic> |
| duration_dom_update_computed_style; |
| base::CVal<base::TimeDelta, base::CValPublic> duration_layout_box_tree; |
| base::CVal<base::TimeDelta, base::CValPublic> |
| duration_layout_box_generation; |
| base::CVal<base::TimeDelta, base::CValPublic> |
| duration_layout_update_used_sizes; |
| base::CVal<base::TimeDelta, base::CValPublic> |
| duration_layout_render_and_animate; |
| |
| #if defined(ENABLE_WEBDRIVER) |
| // A string containing all of the event's values as a dictionary of |
| // key-value pairs. This is used by the Webdriver and is only enabled with |
| // it. |
| base::CVal<std::string> value_dictionary; |
| #endif // ENABLE_WEBDRIVER |
| }; |
| |
| // From base::StopWatchOwner |
| bool IsStopWatchEnabled(int id) const OVERRIDE; |
| void OnStopWatchStopped(int id, base::TimeDelta time_elapsed) OVERRIDE; |
| |
| // End the current event if one is active. This triggers an update of all |
| // |EventStats| for the event. |
| void EndCurrentEvent(bool was_render_tree_produced); |
| |
| static std::string GetEventTypeName(EventType event_type); |
| |
| // Web module owns the dom and layout stat trackers. |
| scoped_ptr<dom::DomStatTracker> dom_stat_tracker_; |
| scoped_ptr<layout::LayoutStatTracker> layout_stat_tracker_; |
| |
| // Event-related |
| const bool should_track_event_stats_; |
| EventType current_event_type_; |
| // Each individual |EventType| has its own entry in the vector. |
| ScopedVector<EventStats> event_stats_; |
| |
| // Stop watch-related |
| std::vector<base::StopWatch> stop_watches_; |
| std::vector<base::TimeDelta> stop_watch_durations_; |
| |
| std::string name_; |
| |
| base::CVal<bool> event_is_processing_; |
| base::TimeTicks event_start_time_; |
| }; |
| |
| } // namespace browser |
| } // namespace cobalt |
| |
| #endif // COBALT_BROWSER_WEB_MODULE_STAT_TRACKER_H_ |