| // 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. |
| |
| #ifndef COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_JS_RENDER_FRAME_OBSERVER_H_ |
| #define COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_JS_RENDER_FRAME_OBSERVER_H_ |
| |
| #include "base/memory/weak_ptr.h" |
| #include "components/dom_distiller/content/common/distiller_javascript_service.mojom.h" |
| #include "components/dom_distiller/content/renderer/distiller_native_javascript.h" |
| #include "components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h" |
| #include "content/public/renderer/render_frame.h" |
| #include "content/public/renderer/render_frame_observer.h" |
| #include "services/service_manager/public/cpp/binder_registry.h" |
| #include "v8/include/v8.h" |
| |
| namespace dom_distiller { |
| |
| // DistillerJsRenderFrame observer waits for a page to be loaded and then |
| // tried to connect to a mojo service hosted in the browser process. The |
| // service will tell this render process if the current page is a distiller |
| // page. |
| class DistillerJsRenderFrameObserver : public content::RenderFrameObserver { |
| public: |
| DistillerJsRenderFrameObserver(content::RenderFrame* render_frame, |
| const int distiller_isolated_world_id, |
| service_manager::BinderRegistry* registry); |
| ~DistillerJsRenderFrameObserver() override; |
| |
| // RenderFrameObserver implementation. |
| void DidStartProvisionalLoad(blink::WebDocumentLoader* document_loader, |
| bool is_content_initiated) override; |
| void DidFinishLoad() override; |
| void DidCreateScriptContext(v8::Local<v8::Context> context, |
| int world_id) override; |
| |
| // Flag the current page as a distiller page. |
| void SetIsDistillerPage(); |
| |
| private: |
| void CreateDistillerPageNotifierService( |
| mojom::DistillerPageNotifierServiceRequest request); |
| |
| // RenderFrameObserver implementation. |
| void OnDestruct() override; |
| |
| // The isolated world that the distiller object should be written to. |
| int distiller_isolated_world_id_; |
| |
| // Track if the current page is distilled. This is needed for testing. |
| bool is_distiller_page_; |
| |
| // True if a load is in progress and we are currently able to bind requests |
| // for mojom::DistillerPageNotifierService. |
| bool load_active_ = false; |
| |
| // Handle to "distiller" JavaScript object functionality. |
| std::unique_ptr<DistillerNativeJavaScript> native_javascript_handle_; |
| base::WeakPtrFactory<DistillerJsRenderFrameObserver> weak_factory_; |
| }; |
| |
| } // namespace dom_distiller |
| |
| #endif // COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_JS_RENDER_FRAME_OBSERVER_H_ |