mirror of https://github.com/electron/electron
105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
// Copyright (c) 2020 Samuel Maddock <sam@samuelmaddock.com>.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/common/gin_converters/frame_converter.h"
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#include "content/public/browser/render_frame_host.h"
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#include "content/public/browser/render_process_host.h"
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#include "shell/browser/api/electron_api_web_frame_main.h"
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#include "shell/common/gin_helper/accessor.h"
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namespace gin {
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namespace {
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v8::Persistent<v8::ObjectTemplate> rfh_templ;
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} // namespace
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// static
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v8::Local<v8::Value> Converter<content::RenderFrameHost*>::ToV8(
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v8::Isolate* isolate,
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content::RenderFrameHost* val) {
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if (!val)
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return v8::Null(isolate);
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return electron::api::WebFrameMain::From(isolate, val).ToV8();
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}
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// static
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bool Converter<content::RenderFrameHost*>::FromV8(
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v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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content::RenderFrameHost** out) {
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electron::api::WebFrameMain* web_frame_main = nullptr;
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if (!ConvertFromV8(isolate, val, &web_frame_main))
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return false;
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*out = web_frame_main->render_frame_host();
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return true;
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}
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// static
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v8::Local<v8::Value>
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Converter<gin_helper::AccessorValue<content::RenderFrameHost*>>::ToV8(
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v8::Isolate* isolate,
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gin_helper::AccessorValue<content::RenderFrameHost*> val) {
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content::RenderFrameHost* rfh = val.Value;
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if (!rfh)
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return v8::Null(isolate);
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const int process_id = rfh->GetProcess()->GetID();
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const int routing_id = rfh->GetRoutingID();
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if (rfh_templ.IsEmpty()) {
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v8::EscapableHandleScope inner(isolate);
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v8::Local<v8::ObjectTemplate> local = v8::ObjectTemplate::New(isolate);
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local->SetInternalFieldCount(2);
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rfh_templ.Reset(isolate, inner.Escape(local));
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}
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v8::Local<v8::Object> rfh_obj =
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v8::Local<v8::ObjectTemplate>::New(isolate, rfh_templ)
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->NewInstance(isolate->GetCurrentContext())
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.ToLocalChecked();
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rfh_obj->SetInternalField(0, v8::Number::New(isolate, process_id));
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rfh_obj->SetInternalField(1, v8::Number::New(isolate, routing_id));
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return rfh_obj;
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}
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// static
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bool Converter<gin_helper::AccessorValue<content::RenderFrameHost*>>::FromV8(
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v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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gin_helper::AccessorValue<content::RenderFrameHost*>* out) {
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v8::Local<v8::Object> rfh_obj;
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if (!ConvertFromV8(isolate, val, &rfh_obj))
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return false;
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if (rfh_obj->InternalFieldCount() != 2)
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return false;
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v8::Local<v8::Value> process_id_wrapper =
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rfh_obj->GetInternalField(0).As<v8::Value>();
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v8::Local<v8::Value> routing_id_wrapper =
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rfh_obj->GetInternalField(1).As<v8::Value>();
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if (process_id_wrapper.IsEmpty() || !process_id_wrapper->IsNumber() ||
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routing_id_wrapper.IsEmpty() || !routing_id_wrapper->IsNumber())
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return false;
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const int process_id = process_id_wrapper.As<v8::Number>()->Value();
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const int routing_id = routing_id_wrapper.As<v8::Number>()->Value();
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auto* rfh = content::RenderFrameHost::FromID(process_id, routing_id);
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if (!rfh)
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return false;
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out->Value = rfh;
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return true;
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}
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} // namespace gin
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