1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_ACTOR_TOOL_EXECUTOR_H_
#define CHROME_RENDERER_ACTOR_TOOL_EXECUTOR_H_
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ref.h"
#include "base/memory/stack_allocated.h"
#include "chrome/common/actor.mojom-forward.h"
#include "chrome/common/chrome_render_frame.mojom.h"
#include "chrome/renderer/actor/tool_base.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
namespace content {
class RenderFrame;
} // namespace content
namespace actor {
// Renderer-side tool executor.
//
// This class is responsible for receiving tool request messages and invoking
// the requested tool in the renderer.
//
// WARNING: This class is stack allocated but is written in a way that implies
// that tools can be asynchronously executed. In practice the tools are
// synchronous, and there's a lot of re-entrancy.
class ToolExecutor {
STACK_ALLOCATED();
public:
using ToolExecutorCallback = base::OnceCallback<void(mojom::ActionResultPtr)>;
explicit ToolExecutor(content::RenderFrame* frame);
~ToolExecutor();
ToolExecutor(const ToolExecutor&) = delete;
ToolExecutor& operator=(const ToolExecutor&) = delete;
void InvokeTool(mojom::ToolInvocationPtr request,
ToolExecutorCallback callback);
private:
void ToolFinished(ToolExecutorCallback callback,
mojom::ActionResultPtr result);
// Raw ref since the executor is currently only stack allocated by the
// render frame so it must be outlived.
base::raw_ref<content::RenderFrame> frame_;
std::unique_ptr<ToolBase> tool_;
};
} // namespace actor
#endif // CHROME_RENDERER_ACTOR_TOOL_EXECUTOR_H_
|
