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// 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.
#include "components/guest_view/renderer/guest_view_request.h"
#include <tuple>
#include <utility>
#include "components/guest_view/renderer/guest_view_container.h"
#include "content/public/renderer/render_frame.h"
#include "ipc/ipc_sync_channel.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "v8/include/v8-context.h"
#include "v8/include/v8-function.h"
#include "v8/include/v8-microtask-queue.h"
namespace guest_view {
GuestViewAttachRequest::GuestViewAttachRequest(
guest_view::GuestViewContainer* container,
content::RenderFrame* render_frame,
int guest_instance_id,
base::Value::Dict params,
v8::Local<v8::Function> callback,
v8::Isolate* isolate)
: container_(container),
callback_(isolate, callback),
isolate_(isolate),
guest_instance_id_(guest_instance_id),
params_(std::move(params)) {
render_frame->GetRemoteAssociatedInterfaces()->GetInterface(&remote_);
}
GuestViewAttachRequest::~GuestViewAttachRequest() = default;
void GuestViewAttachRequest::PerformRequest() {
remote_->AttachToEmbedderFrame(
container_->element_instance_id(), guest_instance_id_, params_.Clone(),
base::BindOnce(&GuestViewAttachRequest::OnAcknowledged,
weak_ptr_factory_.GetWeakPtr()));
}
void GuestViewAttachRequest::OnAcknowledged() {
// Destroys `this`.
container_->OnRequestAcknowledged(this);
}
void GuestViewAttachRequest::ExecuteCallbackIfAvailable(
int argc,
std::unique_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;
if (!callback->GetCreationContext(isolate_).ToLocal(&context)) {
return;
}
v8::Context::Scope context_scope(context);
v8::MicrotasksScope microtasks(isolate_, context->GetMicrotaskQueue(),
v8::MicrotasksScope::kDoNotRunMicrotasks);
callback->Call(context, context->Global(), argc, argv.get())
.FromMaybe(v8::Local<v8::Value>());
}
} // namespace guest_view
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