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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright 2015 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_GUEST_VIEW_RENDERER_GUEST_VIEW_REQUEST_H_
#define COMPONENTS_GUEST_VIEW_RENDERER_GUEST_VIEW_REQUEST_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "components/guest_view/common/guest_view.mojom.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "v8/include/v8-forward.h"
#include "v8/include/v8-persistent-handle.h"
namespace content {
class RenderFrame;
}
namespace guest_view {
class GuestViewContainer;
// This class represents an attach request from Javascript.
// A GuestViewAttachRequest is an asynchronous operation performed on a
// GuestView or GuestViewContainer from JavaScript. This operation may be queued
// until the container is ready to be operated upon (it has geometry). A
// GuestViewAttachRequest may or may not have a callback back into JavaScript.
// Performing a request involves sending an IPC to the browser process in
// PerformRequest which the browser will acknowledge.
class GuestViewAttachRequest {
public:
GuestViewAttachRequest(GuestViewContainer* container,
content::RenderFrame* render_frame,
int guest_instance_id,
base::Value::Dict params,
v8::Local<v8::Function> callback,
v8::Isolate* isolate);
GuestViewAttachRequest(const GuestViewAttachRequest&) = delete;
GuestViewAttachRequest& operator=(const GuestViewAttachRequest&) = delete;
~GuestViewAttachRequest();
// Performs the associated request.
void PerformRequest();
// Called to call the callback associated with this request if one is
// available.
// Note: the callback may be called even if a response has not been heard from
// the browser process if the GuestViewContainer is being torn down.
void ExecuteCallbackIfAvailable(int argc,
std::unique_ptr<v8::Local<v8::Value>[]> argv);
private:
void OnAcknowledged();
const raw_ptr<GuestViewContainer> container_;
v8::Global<v8::Function> callback_;
const raw_ptr<v8::Isolate> isolate_;
const int guest_instance_id_;
const base::Value::Dict params_;
mojo::AssociatedRemote<mojom::GuestViewHost> remote_;
base::WeakPtrFactory<GuestViewAttachRequest> weak_ptr_factory_{this};
};
} // namespace guest_view
#endif // COMPONENTS_GUEST_VIEW_RENDERER_GUEST_VIEW_REQUEST_H_
|
