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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/performance_manager/embedder/binders.h"
#include <utility>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "components/performance_manager/graph/process_node_impl.h"
#include "components/performance_manager/performance_manager_impl.h"
#include "components/performance_manager/performance_manager_tab_helper.h"
#include "components/performance_manager/public/mojom/coordination_unit.mojom.h"
#include "components/performance_manager/render_process_user_data.h"
#include "content/public/browser/browser_child_process_host.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/child_process_id.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
namespace performance_manager {
namespace {
void BindRenderProcessCoordinationUnit(
content::ChildProcessId render_process_host_id,
mojo::PendingReceiver<mojom::ProcessCoordinationUnit> receiver) {
content::RenderProcessHost* render_process_host =
content::RenderProcessHost::FromID(render_process_host_id);
if (!render_process_host)
return;
RenderProcessUserData* user_data =
RenderProcessUserData::GetForRenderProcessHost(render_process_host);
user_data->process_node()->BindRenderProcessCoordinationUnit(
std::move(receiver));
}
void BindChildProcessCoordinationUnit(
base::WeakPtr<ProcessNode> process_node,
mojo::PendingReceiver<mojom::ChildProcessCoordinationUnit> receiver) {
if (process_node) {
ProcessNodeImpl::FromNode(process_node.get())
->BindChildProcessCoordinationUnit(std::move(receiver));
}
}
void BindChildProcessCoordinationUnitForRenderProcessHost(
content::ChildProcessId render_process_host_id,
mojo::PendingReceiver<mojom::ChildProcessCoordinationUnit> receiver) {
BindChildProcessCoordinationUnit(
PerformanceManagerImpl::GetProcessNodeForRenderProcessHostId(
render_process_host_id),
std::move(receiver));
}
void BindChildProcessCoordinationUnitForBrowserChildProcessHost(
content::BrowserChildProcessHost* host,
mojo::PendingReceiver<mojom::ChildProcessCoordinationUnit> receiver) {
BindChildProcessCoordinationUnit(
PerformanceManagerImpl::GetProcessNodeForBrowserChildProcessHost(host),
std::move(receiver));
}
void BindDocumentCoordinationUnit(
content::RenderFrameHost* host,
mojo::PendingReceiver<mojom::DocumentCoordinationUnit> receiver) {
auto* content = content::WebContents::FromRenderFrameHost(host);
// |content| can be null if RenderFrameHost's delegate is not a WebContents.
if (!content)
return;
auto* helper = PerformanceManagerTabHelper::FromWebContents(content);
// This condition is for testing-only. We should handle a bind request after
// PerformanceManagerTabHelper is attached to WebContents.
if (!helper)
return;
return helper->BindDocumentCoordinationUnit(host, std::move(receiver));
}
} // namespace
void Binders::ExposeInterfacesToRendererProcess(
service_manager::BinderRegistry* registry,
content::RenderProcessHost* host) {
registry->AddInterface(
base::BindRepeating(&BindRenderProcessCoordinationUnit, host->GetID()),
base::SequencedTaskRunner::GetCurrentDefault());
registry->AddInterface(
base::BindRepeating(&BindChildProcessCoordinationUnitForRenderProcessHost,
host->GetID()),
base::SequencedTaskRunner::GetCurrentDefault());
}
void Binders::ExposeInterfacesToBrowserChildProcess(
mojo::BinderMapWithContext<content::BrowserChildProcessHost*>* map) {
map->Add<mojom::ChildProcessCoordinationUnit>(base::BindRepeating(
&BindChildProcessCoordinationUnitForBrowserChildProcessHost));
}
void Binders::ExposeInterfacesToRenderFrame(
mojo::BinderMapWithContext<content::RenderFrameHost*>* map) {
map->Add<mojom::DocumentCoordinationUnit>(
base::BindRepeating(&BindDocumentCoordinationUnit));
}
} // namespace performance_manager
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