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// Copyright 2018 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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_RENDERER_CHANNEL_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_RENDERER_CHANNEL_H_
#include "base/callback.h"
#include "base/callback_helpers.h"
#include "base/containers/flat_set.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/associated_receiver.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/devtools/devtools_agent.mojom.h"
namespace gfx {
class Point;
}
namespace content {
class DevToolsAgentHostImpl;
class DevToolsSession;
class RenderFrameHostImpl;
class WorkerDevToolsAgentHost;
namespace protocol {
class TargetAutoAttacher;
}
// This class encapsulates a connection to blink::mojom::DevToolsAgent
// in the renderer (either RenderFrame or some kind of worker).
// When the renderer changes (e.g. worker restarts or a new RenderFrame
// is used for the frame), different DevToolsAgentHostImpl subclasses
// retrieve a new blink::mojom::DevToolsAgent pointer, and this channel
// starts using it for all existing and future sessions.
class CONTENT_EXPORT DevToolsRendererChannel
: public blink::mojom::DevToolsAgentHost {
public:
explicit DevToolsRendererChannel(DevToolsAgentHostImpl* owner);
~DevToolsRendererChannel() override;
// Dedicated workers use non-associated version,
// while frames and other workers use DevToolsAgent associated
// with respective control interfraces. See mojom for details.
void SetRenderer(
mojo::PendingRemote<blink::mojom::DevToolsAgent> agent_remote,
mojo::PendingReceiver<blink::mojom::DevToolsAgentHost> host_receiver,
int process_id,
base::OnceClosure connection_error = base::NullCallback());
void SetRendererAssociated(
mojo::PendingAssociatedRemote<blink::mojom::DevToolsAgent> agent_remote,
mojo::PendingAssociatedReceiver<blink::mojom::DevToolsAgentHost>
host_receiver,
int process_id,
RenderFrameHostImpl* frame_host);
void AttachSession(DevToolsSession* session);
void InspectElement(const gfx::Point& point);
void ForceDetachWorkerSessions();
void SetReportChildWorkers(protocol::TargetAutoAttacher* attacher,
bool report,
bool wait_for_debugger,
base::OnceClosure callback);
private:
// blink::mojom::DevToolsAgentHost implementation.
void ChildWorkerCreated(
mojo::PendingRemote<blink::mojom::DevToolsAgent> worker_devtools_agent,
mojo::PendingReceiver<blink::mojom::DevToolsAgentHost> host_receiver,
const GURL& url,
const std::string& name,
const base::UnguessableToken& devtools_worker_token,
bool waiting_for_debugger) override;
void ChildWorkerDestroyed(DevToolsAgentHostImpl*);
void CleanupConnection();
void SetRendererInternal(blink::mojom::DevToolsAgent* agent,
int process_id,
RenderFrameHostImpl* frame_host,
bool force_using_io);
void ReportChildWorkersCallback();
DevToolsAgentHostImpl* owner_;
mojo::Receiver<blink::mojom::DevToolsAgentHost> receiver_{this};
mojo::AssociatedReceiver<blink::mojom::DevToolsAgentHost>
associated_receiver_{this};
mojo::Remote<blink::mojom::DevToolsAgent> agent_remote_;
mojo::AssociatedRemote<blink::mojom::DevToolsAgent> associated_agent_remote_;
int process_id_;
RenderFrameHostImpl* frame_host_ = nullptr;
base::flat_set<protocol::TargetAutoAttacher*> report_attachers_;
base::flat_set<protocol::TargetAutoAttacher*> wait_for_debugger_attachers_;
base::flat_set<WorkerDevToolsAgentHost*> child_workers_;
base::OnceClosure set_report_callback_;
base::WeakPtrFactory<DevToolsRendererChannel> weak_factory_{this};
DISALLOW_COPY_AND_ASSIGN(DevToolsRendererChannel);
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_RENDERER_CHANNEL_H_
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