Prototype FrameletGuest/Container Class stubs.

components/framelet/browser/framelet_guest.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_guest.h"
+
+#include "base/strings/stringprintf.h"
+#include "components/framelet/common/framelet_constants.h"
+#include "components/guest_view/browser/guest_view_manager.h"
+#include "content/public/browser/site_instance.h"
+#include "content/public/common/url_constants.h"
+
+
+namespace guest_view {
+
+// static.
+const char FrameletGuest::Type[] = "framelet";
+
+GuestViewBase* FrameletGuest::Create(content::WebContents* owner_web_contents) {
+  return new FrameletGuest(owner_web_contents);
+}
+
+FrameletGuest::FrameletGuest(content::WebContents* owner_web_contents)
+    : GuestView<FrameletGuest>(owner_web_contents) {}
+
+FrameletGuest::~FrameletGuest() {}
+
+// content::WebContentsDelegate implementation.
+bool FrameletGuest::HandleContextMenu(
+    const content::ContextMenuParams& params) {
+  return false;
+}
+
+const char* FrameletGuest::GetAPINamespace() const {
+  return framelet::kEmbedderAPINamespace;
+}
+
+int FrameletGuest::GetTaskPrefix() const {
+  return 0;  // TODO(wjmaclean): implement this.
+}
+
+void FrameletGuest::CreateWebContents(
+    const base::DictionaryValue& create_params,
+    const GuestViewBase::WebContentsCreatedCallback& callback) {
+  std::string url;
+  if (!create_params.GetString(framelet::kURL, &url)) {
+    callback.Run(nullptr);
+    return;
+  }
+
+  url_ = GURL(url);
+  if (!url_.is_valid()) {
+    callback.Run(nullptr);
+    return;
+  }
+
+  // TODO(wjmaclean): modify this so the framelets instances are unique to a
+  // given embedder process.
+  GURL guest_site(base::StringPrintf("%s://framelet-%s",
+                                     content::kGuestScheme,
+                                     GetOwnerSiteURL().host().c_str()));
+
+  GuestViewManager* guest_view_manager = GuestViewManager::FromBrowserContext(
+      owner_web_contents()->GetBrowserContext());
+  content::SiteInstance* guest_site_instance =
+      guest_view_manager->GetGuestSiteInstance(guest_site);
+  content::WebContents::CreateParams params(
+      owner_web_contents()->GetBrowserContext(),
+      guest_site_instance);
+  params.guest_delegate = this;
+  callback.Run(content::WebContents::Create(params));
+}
+
+void FrameletGuest::DidAttachToEmbedder() {
+  web_contents()->GetController().LoadURL(
+      url_, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
+  url_ = GURL();
+}
+
+}  // namespace guest_view