feat: preliminary support for //extensions (#17440)

shell/renderer/extensions/atom_extensions_renderer_client.cc

@@ -0,0 +1,65 @@
+// Copyright 2014 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 "shell/renderer/extensions/atom_extensions_renderer_client.h"
+
+#include "content/public/renderer/render_thread.h"
+#include "extensions/renderer/dispatcher.h"
+#include "extensions/renderer/dispatcher_delegate.h"
+
+namespace electron {
+
+AtomExtensionsRendererClient::AtomExtensionsRendererClient()
+    : dispatcher_(std::make_unique<extensions::Dispatcher>(
+          std::make_unique<extensions::DispatcherDelegate>())) {
+  dispatcher_->OnRenderThreadStarted(content::RenderThread::Get());
+}
+
+AtomExtensionsRendererClient::~AtomExtensionsRendererClient() {}
+
+bool AtomExtensionsRendererClient::IsIncognitoProcess() const {
+  // app_shell doesn't support off-the-record contexts.
+  return false;
+}
+
+int AtomExtensionsRendererClient::GetLowestIsolatedWorldId() const {
+  // app_shell doesn't need to reserve world IDs for anything other than
+  // extensions, so we always return 1. Note that 0 is reserved for the global
+  // world.
+  // TODO(samuelmaddock): skip electron worlds
+  return 10;
+}
+
+extensions::Dispatcher* AtomExtensionsRendererClient::GetDispatcher() {
+  return dispatcher_.get();
+}
+
+bool AtomExtensionsRendererClient::ExtensionAPIEnabledForServiceWorkerScript(
+    const GURL& scope,
+    const GURL& script_url) const {
+  // TODO(nornagon): adapt logic from chrome's version
+  return true;
+}
+
+bool AtomExtensionsRendererClient::AllowPopup() {
+  // TODO(samuelmaddock):
+  return false;
+}
+
+void AtomExtensionsRendererClient::RunScriptsAtDocumentStart(
+    content::RenderFrame* render_frame) {
+  dispatcher_->RunScriptsAtDocumentStart(render_frame);
+}
+
+void AtomExtensionsRendererClient::RunScriptsAtDocumentEnd(
+    content::RenderFrame* render_frame) {
+  dispatcher_->RunScriptsAtDocumentEnd(render_frame);
+}
+
+void AtomExtensionsRendererClient::RunScriptsAtDocumentIdle(
+    content::RenderFrame* render_frame) {
+  dispatcher_->RunScriptsAtDocumentIdle(render_frame);
+}
+
+}  // namespace electron

shell/renderer/extensions/atom_extensions_renderer_client.h

@@ -0,0 +1,51 @@
+// Copyright (c) 2017 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef SHELL_RENDERER_EXTENSIONS_ATOM_EXTENSIONS_RENDERER_CLIENT_H_
+#define SHELL_RENDERER_EXTENSIONS_ATOM_EXTENSIONS_RENDERER_CLIENT_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "extensions/renderer/extensions_renderer_client.h"
+
+namespace content {
+class RenderFrame;
+}
+
+namespace extensions {
+class Dispatcher;
+}
+
+namespace electron {
+
+class AtomExtensionsRendererClient
+    : public extensions::ExtensionsRendererClient {
+ public:
+  AtomExtensionsRendererClient();
+  ~AtomExtensionsRendererClient() override;
+
+  // ExtensionsRendererClient implementation.
+  bool IsIncognitoProcess() const override;
+  int GetLowestIsolatedWorldId() const override;
+  extensions::Dispatcher* GetDispatcher() override;
+  bool ExtensionAPIEnabledForServiceWorkerScript(
+      const GURL& scope,
+      const GURL& script_url) const override;
+
+  bool AllowPopup();
+
+  void RunScriptsAtDocumentStart(content::RenderFrame* render_frame);
+  void RunScriptsAtDocumentEnd(content::RenderFrame* render_frame);
+  void RunScriptsAtDocumentIdle(content::RenderFrame* render_frame);
+
+ private:
+  std::unique_ptr<extensions::Dispatcher> dispatcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(AtomExtensionsRendererClient);
+};
+
+}  // namespace electron
+
+#endif  // SHELL_RENDERER_EXTENSIONS_ATOM_EXTENSIONS_RENDERER_CLIENT_H_