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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
// Copyright 2015 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.
#include "extensions/renderer/guest_view/guest_view_request.h"
#include "components/guest_view/common/guest_view_messages.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
#include "extensions/renderer/guest_view/guest_view_container.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h"
#include "third_party/WebKit/public/web/WebView.h"
namespace extensions {
GuestViewRequest::GuestViewRequest(GuestViewContainer* container,
v8::Local<v8::Function> callback,
v8::Isolate* isolate)
: container_(container),
callback_(isolate, callback),
isolate_(isolate) {
}
GuestViewRequest::~GuestViewRequest() {
}
void GuestViewRequest::ExecuteCallbackIfAvailable(
int argc,
scoped_ptr<v8::Local<v8::Value>[]> argv) {
if (callback_.IsEmpty())
return;
v8::HandleScope handle_scope(isolate());
v8::Local<v8::Function> callback =
v8::Local<v8::Function>::New(isolate_, callback_);
v8::Local<v8::Context> context = callback->CreationContext();
if (context.IsEmpty())
return;
v8::Context::Scope context_scope(context);
blink::WebScopedMicrotaskSuppression suppression;
callback->Call(context->Global(), argc, argv.get());
}
GuestViewAttachRequest::GuestViewAttachRequest(
GuestViewContainer* container,
int guest_instance_id,
scoped_ptr<base::DictionaryValue> params,
v8::Local<v8::Function> callback,
v8::Isolate* isolate)
: GuestViewRequest(container, callback, isolate),
guest_instance_id_(guest_instance_id),
params_(params.Pass()) {
}
GuestViewAttachRequest::~GuestViewAttachRequest() {
}
void GuestViewAttachRequest::PerformRequest() {
if (!container()->render_frame())
return;
// Step 1, send the attach params to extensions/.
container()->render_frame()->Send(
new GuestViewHostMsg_AttachGuest(container()->element_instance_id(),
guest_instance_id_,
*params_));
// Step 2, attach plugin through content/.
container()->render_frame()->AttachGuest(container()->element_instance_id());
}
void GuestViewAttachRequest::HandleResponse(const IPC::Message& message) {
// TODO(fsamuel): Rename this message so that it's apparent that this is a
// response to GuestViewHostMsg_AttachGuest. Perhaps
// GuestViewMsg_AttachGuest_ACK?
GuestViewMsg_GuestAttached::Param param;
if (!GuestViewMsg_GuestAttached::Read(&message, ¶m))
return;
content::RenderView* guest_proxy_render_view =
content::RenderView::FromRoutingID(get<1>(param));
// TODO(fsamuel): Should we be reporting an error to JavaScript or DCHECKing?
if (!guest_proxy_render_view)
return;
v8::HandleScope handle_scope(isolate());
blink::WebFrame* frame = guest_proxy_render_view->GetWebView()->mainFrame();
v8::Local<v8::Value> window = frame->mainWorldScriptContext()->Global();
const int argc = 1;
scoped_ptr<v8::Local<v8::Value>[]> argv(new v8::Local<v8::Value>[argc]);
argv[0] = window;
// Call the AttachGuest API's callback with the guest proxy as the first
// parameter.
ExecuteCallbackIfAvailable(argc, argv.Pass());
}
GuestViewDetachRequest::GuestViewDetachRequest(
GuestViewContainer* container,
v8::Local<v8::Function> callback,
v8::Isolate* isolate)
: GuestViewRequest(container, callback, isolate) {
}
GuestViewDetachRequest::~GuestViewDetachRequest() {
}
void GuestViewDetachRequest::PerformRequest() {
if (!container()->render_frame())
return;
container()->render_frame()->DetachGuest(container()->element_instance_id());
}
void GuestViewDetachRequest::HandleResponse(const IPC::Message& message) {
ExecuteCallbackIfAvailable(0 /* argc */, nullptr);
}
} // namespace extensions
|
