| // Copyright 2017 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_OOM_OUT_OF_MEMORY_REPORTER_H_ |
| #define CHROME_BROWSER_METRICS_OOM_OUT_OF_MEMORY_REPORTER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| #include "base/scoped_observer.h" |
| #include "base/time/tick_clock.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| #include "content/public/common/child_process_host.h" |
| #include "services/metrics/public/cpp/ukm_source_id.h" |
| #include "url/gurl.h" |
| |
| #if defined(OS_ANDROID) |
| #include "components/crash/content/browser/crash_metrics_reporter_android.h" |
| #endif |
| |
| class OutOfMemoryReporterTest; |
| |
| // This class listens for OOM notifications from WebContentsObserver and |
| // crash_reporter::CrashMetricsReporter::Observer methods. It forwards |
| // foreground OOM notifications to observers. |
| class OutOfMemoryReporter |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<OutOfMemoryReporter> |
| #if defined(OS_ANDROID) |
| , |
| public crash_reporter::CrashMetricsReporter::Observer |
| #endif |
| { |
| public: |
| class Observer { |
| public: |
| virtual void OnForegroundOOMDetected(const GURL& url, |
| ukm::SourceId source_id) = 0; |
| }; |
| ~OutOfMemoryReporter() override; |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| private: |
| friend class content::WebContentsUserData<OutOfMemoryReporter>; |
| friend class OutOfMemoryReporterTest; |
| |
| OutOfMemoryReporter(content::WebContents* web_contents); |
| void OnForegroundOOMDetected(const GURL& url, ukm::SourceId source_id); |
| |
| // Used by tests to deterministically control time. |
| void SetTickClockForTest(std::unique_ptr<const base::TickClock> tick_clock); |
| |
| // content::WebContentsObserver: |
| void DidFinishNavigation(content::NavigationHandle* handle) override; |
| void RenderProcessGone(base::TerminationStatus termination_status) override; |
| |
| #if defined(OS_ANDROID) |
| // crash_reporter::CrashMetricsReporter::Observer: |
| void OnCrashDumpProcessed( |
| int rph_id, |
| const crash_reporter::CrashMetricsReporter::ReportedCrashTypeSet& |
| reported_counts) override; |
| #endif // defined(OS_ANDROID) |
| |
| base::ObserverList<Observer>::Unchecked observers_; |
| |
| base::Optional<ukm::SourceId> last_committed_source_id_; |
| base::TimeTicks last_navigation_timestamp_; |
| std::unique_ptr<const base::TickClock> tick_clock_; |
| int crashed_render_process_id_ = content::ChildProcessHost::kInvalidUniqueID; |
| |
| #if defined(OS_ANDROID) |
| ScopedObserver<crash_reporter::CrashMetricsReporter, |
| crash_reporter::CrashMetricsReporter::Observer> |
| scoped_observer_; |
| #endif |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| |
| DISALLOW_COPY_AND_ASSIGN(OutOfMemoryReporter); |
| }; |
| |
| #endif // CHROME_BROWSER_METRICS_OOM_OUT_OF_MEMORY_REPORTER_H_ |