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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PERFORMANCE_MANAGER_PERFORMANCE_MANAGER_IMPL_H_
#define COMPONENTS_PERFORMANCE_MANAGER_PERFORMANCE_MANAGER_IMPL_H_
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "components/performance_manager/graph/graph_impl.h"
#include "components/performance_manager/graph/page_node_impl.h"
#include "components/performance_manager/public/browser_child_process_host_proxy.h"
#include "components/performance_manager/public/graph/frame_node.h"
#include "components/performance_manager/public/graph/page_node.h"
#include "components/performance_manager/public/graph/worker_node.h"
#include "components/performance_manager/public/performance_manager.h"
#include "components/performance_manager/public/render_process_host_proxy.h"
#include "content/public/browser/browsing_instance_id.h"
#include "content/public/browser/site_instance.h"
#include "content/public/common/process_type.h"
#include "third_party/blink/public/common/tokens/tokens.h"
class GURL;
namespace content {
class WebContents;
}
namespace url {
class Origin;
}
namespace performance_manager {
struct BrowserProcessNodeTag;
// The performance manager is a rendezvous point for binding to performance
// manager interfaces. All functions need to be called from the main thread
// only.
class PerformanceManagerImpl : public PerformanceManager {
public:
PerformanceManagerImpl(const PerformanceManagerImpl&) = delete;
PerformanceManagerImpl& operator=(const PerformanceManagerImpl&) = delete;
~PerformanceManagerImpl() override;
// Same as GetGraph(), but returns a GraphImpl*.
static GraphImpl* GetGraphImpl();
// Creates, initializes and registers an instance. Valid to call from the main
// thread only.
static std::unique_ptr<PerformanceManagerImpl> Create();
// Unregisters |instance| and arranges for its deletion.
static void Destroy(std::unique_ptr<PerformanceManager> instance);
// Creates a new node of the requested type and adds it to the graph.
static std::unique_ptr<FrameNodeImpl> CreateFrameNode(
ProcessNodeImpl* process_node,
PageNodeImpl* page_node,
FrameNodeImpl* parent_frame_node,
FrameNodeImpl* outer_document_for_fenced_frame,
int render_frame_id,
const blink::LocalFrameToken& frame_token,
content::BrowsingInstanceId browsing_instance_id,
content::SiteInstanceGroupId site_instance_group_id,
bool is_current);
static std::unique_ptr<PageNodeImpl> CreatePageNode(
base::WeakPtr<content::WebContents> web_contents,
const std::string& browser_context_id,
const GURL& visible_url,
PagePropertyFlags initial_properties,
base::TimeTicks visibility_change_time);
static std::unique_ptr<ProcessNodeImpl> CreateProcessNode(
BrowserProcessNodeTag tag);
static std::unique_ptr<ProcessNodeImpl> CreateProcessNode(
RenderProcessHostProxy proxy,
base::TaskPriority priority);
static std::unique_ptr<ProcessNodeImpl> CreateProcessNode(
content::ProcessType process_type,
BrowserChildProcessHostProxy proxy);
static std::unique_ptr<WorkerNodeImpl> CreateWorkerNode(
const std::string& browser_context_id,
WorkerNode::WorkerType worker_type,
ProcessNodeImpl* process_node,
const blink::WorkerToken& worker_token,
const url::Origin& origin);
// Destroys a node returned from the creation functions above.
static void DeleteNode(std::unique_ptr<NodeBase> node);
// Destroys multiples nodes in one single task. Equivalent to calling
// DeleteNode() on all elements of the vector. This function takes care of
// removing them from the graph in topological order and destroying them.
static void BatchDeleteNodes(std::vector<std::unique_ptr<NodeBase>> nodes);
private:
friend class PerformanceManager;
PerformanceManagerImpl();
template <typename NodeType, typename... Args>
static std::unique_ptr<NodeType> CreateNodeImpl(Args&&... constructor_args);
GraphImpl graph_ GUARDED_BY_CONTEXT(sequence_checker_);
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace performance_manager
#endif // COMPONENTS_PERFORMANCE_MANAGER_PERFORMANCE_MANAGER_IMPL_H_
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