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Diffstat (limited to 'chromium/chrome/browser/ui/webui/discards/graph_dump_impl.h')
| -rw-r--r-- | chromium/chrome/browser/ui/webui/discards/graph_dump_impl.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/chromium/chrome/browser/ui/webui/discards/graph_dump_impl.h b/chromium/chrome/browser/ui/webui/discards/graph_dump_impl.h new file mode 100644 index 00000000000..b973761978a --- /dev/null +++ b/chromium/chrome/browser/ui/webui/discards/graph_dump_impl.h @@ -0,0 +1,187 @@ +// 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_UI_WEBUI_DISCARDS_GRAPH_DUMP_IMPL_H_ +#define CHROME_BROWSER_UI_WEBUI_DISCARDS_GRAPH_DUMP_IMPL_H_ + +#include <memory> + +#include "base/memory/ref_counted_memory.h" +#include "base/memory/weak_ptr.h" +#include "base/sequence_checker.h" +#include "chrome/browser/ui/webui/discards/discards.mojom.h" +#include "components/performance_manager/public/graph/frame_node.h" +#include "components/performance_manager/public/graph/graph.h" +#include "components/performance_manager/public/graph/page_node.h" +#include "components/performance_manager/public/graph/process_node.h" +#include "mojo/public/cpp/bindings/pending_receiver.h" +#include "mojo/public/cpp/bindings/pending_remote.h" +#include "mojo/public/cpp/bindings/receiver.h" +#include "mojo/public/cpp/bindings/remote.h" + +// TODO(siggi): Add workers to the WebUI graph. +class DiscardsGraphDumpImpl : public discards::mojom::GraphDump, + public performance_manager::GraphOwned, + public performance_manager::FrameNodeObserver, + public performance_manager::PageNodeObserver, + public performance_manager::ProcessNodeObserver { + public: + DiscardsGraphDumpImpl(); + ~DiscardsGraphDumpImpl() override; + + // Creates a new DiscardsGraphDumpImpl to service |receiver| and passes its + // ownership to |graph|. + static void CreateAndBind( + mojo::PendingReceiver<discards::mojom::GraphDump> receiver, + performance_manager::Graph* graph); + + // Exposed for testing. + void BindWithGraph( + performance_manager::Graph* graph, + mojo::PendingReceiver<discards::mojom::GraphDump> receiver); + + protected: + // WebUIGraphDump implementation. + void SubscribeToChanges( + mojo::PendingRemote<discards::mojom::GraphChangeStream> change_subscriber) + override; + + // GraphOwned implementation. + void OnPassedToGraph(performance_manager::Graph* graph) override; + void OnTakenFromGraph(performance_manager::Graph* graph) override; + + // FrameNodeObserver implementation: + void OnFrameNodeAdded( + const performance_manager::FrameNode* frame_node) override; + void OnBeforeFrameNodeRemoved( + const performance_manager::FrameNode* frame_node) override; + // Ignored. + void OnIsCurrentChanged( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnNetworkAlmostIdleChanged( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnFrameLifecycleStateChanged( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnOriginTrialFreezePolicyChanged( + const performance_manager::FrameNode* frame_node, + const InterventionPolicy& previous_value) override {} + void OnURLChanged(const performance_manager::FrameNode* frame_node, + const GURL& previous_value) override; + // Ignored. + void OnIsAdFrameChanged( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnFrameIsHoldingWebLockChanged( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnFrameIsHoldingIndexedDBLockChanged( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnNonPersistentNotificationCreated( + const performance_manager::FrameNode* frame_node) override {} + // Ignored. + void OnPriorityAndReasonChanged( + const performance_manager::FrameNode* frame_node) override {} + + // PageNodeObserver implementation: + void OnPageNodeAdded(const performance_manager::PageNode* page_node) override; + void OnBeforePageNodeRemoved( + const performance_manager::PageNode* page_node) override; + void OnIsVisibleChanged( + const performance_manager::PageNode* page_node) override {} // Ignored. + void OnIsAudibleChanged( + const performance_manager::PageNode* page_node) override {} // Ignored. + void OnIsLoadingChanged( + const performance_manager::PageNode* page_node) override {} // Ignored. + void OnUkmSourceIdChanged( + const performance_manager::PageNode* page_node) override {} // Ignored. + // Ignored. + void OnPageLifecycleStateChanged( + const performance_manager::PageNode* page_node) override {} + // Ignored. + void OnPageOriginTrialFreezePolicyChanged( + const performance_manager::PageNode* page_node) override {} + // Ignored. + void OnPageIsHoldingWebLockChanged( + const performance_manager::PageNode* page_node) override {} + // Ignored. + void OnPageIsHoldingIndexedDBLockChanged( + const performance_manager::PageNode* page_node) override {} + void OnMainFrameUrlChanged( + const performance_manager::PageNode* page_node) override; + // Ignored. + void OnPageAlmostIdleChanged( + const performance_manager::PageNode* page_node) override {} + void OnMainFrameDocumentChanged( + const performance_manager::PageNode* page_node) override {} + void OnTitleUpdated(const performance_manager::PageNode* page_node) override { + } // Ignored. + void OnFaviconUpdated( + const performance_manager::PageNode* page_node) override; + + // ProcessNodeObserver implementation: + void OnProcessNodeAdded( + const performance_manager::ProcessNode* process_node) override; + void OnProcessLifetimeChange( + const performance_manager::ProcessNode* process_node) override; + void OnBeforeProcessNodeRemoved( + const performance_manager::ProcessNode* process_node) override; + void OnExpectedTaskQueueingDurationSample( + const performance_manager::ProcessNode* process_node) override { + } // Ignored. + // Ignored. + void OnMainThreadTaskLoadIsLow( + const performance_manager::ProcessNode* process_node) override {} + // Ignored. + void OnAllFramesInProcessFrozen( + const performance_manager::ProcessNode* process_node) override {} + + private: + // The favicon requests happen on the UI thread. This helper class + // maintains the state required to do that. + class FaviconRequestHelper; + + FaviconRequestHelper* EnsureFaviconRequestHelper(); + + void StartPageFaviconRequest(const performance_manager::PageNode* page_node); + void StartFrameFaviconRequest( + const performance_manager::FrameNode* frame_node); + + void SendFrameNotification(const performance_manager::FrameNode* frame, + bool created); + void SendPageNotification(const performance_manager::PageNode* page, + bool created); + void SendProcessNotification(const performance_manager::ProcessNode* process, + bool created); + void SendDeletionNotification(const performance_manager::Node* node); + void SendFaviconNotification( + int64_t serialization_id, + scoped_refptr<base::RefCountedMemory> bitmap_data); + + static void BindOnPMSequence( + mojo::PendingReceiver<discards::mojom::GraphDump> receiver, + performance_manager::Graph* graph); + static void OnConnectionError(DiscardsGraphDumpImpl* impl); + + performance_manager::Graph* graph_ = nullptr; + + std::unique_ptr<FaviconRequestHelper> favicon_request_helper_; + + // The current change subscriber to this dumper. This instance is subscribed + // to every node in |graph_| save for the system node, so long as there is a + // subscriber. + mojo::Remote<discards::mojom::GraphChangeStream> change_subscriber_; + mojo::Receiver<discards::mojom::GraphDump> receiver_{this}; + + SEQUENCE_CHECKER(sequence_checker_); + + base::WeakPtrFactory<DiscardsGraphDumpImpl> weak_factory_{this}; + + DISALLOW_COPY_AND_ASSIGN(DiscardsGraphDumpImpl); +}; + +#endif // CHROME_BROWSER_UI_WEBUI_DISCARDS_GRAPH_DUMP_IMPL_H_ |