Framelet Prototype 2016 using Mojo IPC

components/framelet/browser/framelet_factory_impl.cc

+// 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 "components/framelet/browser/framelet_factory_impl.h"
+
+#include "base/values.h"
+#include "components/framelet/browser/framelet_guest.h"
+#include "components/framelet/common/value_type_converters.h"
+#include "components/guest_view/browser/guest_view_manager.h"
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/web_contents.h"
+
+namespace framelet {
+
+FrameletFactoryImpl::FrameletFactoryImpl(
+    content::WebContents* owner_web_contents,
+    const CreateGuestViewManagerDelegate& create_delegate,
+    mojo::InterfaceRequest<FrameletFactory> factory_request)
+    : owner_web_contents_(owner_web_contents),
+      create_delegate_(create_delegate),
+      binding_(this, std::move(factory_request)),
+      weak_ptr_factory_(this) {}
+
+FrameletFactoryImpl::~FrameletFactoryImpl() {}
+
+// static
+void FrameletFactoryImpl::CreateService(
+    content::RenderFrameHost* render_frame_host,
+    const CreateGuestViewManagerDelegate& create_delegate,
+    mojo::InterfaceRequest<FrameletFactory> factory_request) {
+  content::WebContents* owner_web_contents =
+      content::WebContents::FromRenderFrameHost(render_frame_host);
+  new FrameletFactoryImpl(owner_web_contents, create_delegate,
+                          std::move(factory_request));
+}
+
+guest_view::GuestViewManager*
+FrameletFactoryImpl::GetOrCreateGuestViewManager() {
+  auto manager = guest_view::GuestViewManager::FromBrowserContext(
+      owner_web_contents_->GetBrowserContext());
+  if (!manager) {
+    manager = guest_view::GuestViewManager::CreateWithDelegate(
+        owner_web_contents_->GetBrowserContext(),
+        make_scoped_ptr(create_delegate_.Run()));
+  }
+  return manager;
+}
+
+// static
+void FrameletFactoryImpl::FrameletCreatedCallback(
+    mojo::InterfaceRequest<mojom::Framelet> framelet,
+    content::WebContents* guest_web_contents) {
+  if (!guest_web_contents)
+    return;
+
+  FrameletGuest* guest = FrameletGuest::FromWebContents(guest_web_contents);
+  if (!guest)
+    return;
+
+  guest->Bind(std::move(framelet));
+}
+
+void FrameletFactoryImpl::Create(
+    mojo::InterfaceRequest<mojom::Framelet> framelet,
+    mojo::Map<mojo::String, mojom::ValuePtr> params) {
+  base::DictionaryValue create_params;
+  for (auto& kv : params)
+    create_params.Set(kv.GetKey(), kv.GetValue().To<base::Value*>());
+
+  guest_view::GuestViewManager::WebContentsCreatedCallback callback =
+      base::Bind(&FrameletFactoryImpl::FrameletCreatedCallback,
+                 base::Passed(std::move(framelet)));
+  auto manager = GetOrCreateGuestViewManager();
+  manager->CreateGuest(framelet::FrameletGuest::Type, owner_web_contents_,
+                       create_params, callback);
+}
+
+}  // namespace framelet