| // Copyright 2019 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 WEBLAYER_RENDERER_ERROR_PAGE_HELPER_H_ |
| #define WEBLAYER_RENDERER_ERROR_PAGE_HELPER_H_ |
| |
| #include "content/public/renderer/render_frame_observer.h" |
| #include "content/public/renderer/render_frame_observer_tracker.h" |
| #include "mojo/public/cpp/bindings/associated_receiver.h" |
| #include "mojo/public/cpp/bindings/pending_associated_receiver.h" |
| #include "weblayer/common/error_page_helper.mojom.h" |
| |
| namespace weblayer { |
| |
| // A class that allows error pages to handle user interaction by handling their |
| // javascript commands. Currently only SSL and safebrowsing related |
| // interstitials are supported. |
| // This is a stripped down version of Chrome's NetErrorHelper. |
| // TODO(crbug.com/1073624): Share this logic with NetErrorHelper. |
| class ErrorPageHelper |
| : public content::RenderFrameObserver, |
| public content::RenderFrameObserverTracker<ErrorPageHelper>, |
| public mojom::ErrorPageHelper { |
| public: |
| ErrorPageHelper(const ErrorPageHelper&) = delete; |
| ErrorPageHelper& operator=(const ErrorPageHelper&) = delete; |
| |
| // Creates an ErrorPageHelper which will observe and tie its lifetime to |
| // |render_frame|, if it's a main frame. ErrorPageHelpers will not be created |
| // for sub frames. |
| static void Create(content::RenderFrame* render_frame); |
| |
| // Returns the ErrorPageHelper for the frame, if it exists. |
| static ErrorPageHelper* GetForFrame(content::RenderFrame* render_frame); |
| |
| // Called when the current navigation results in an error. |
| void PrepareErrorPage(); |
| |
| // content::RenderFrameObserver: |
| void DidCommitProvisionalLoad(ui::PageTransition transition) override; |
| void DidFinishLoad() override; |
| void OnDestruct() override; |
| |
| // mojom::ErrorPageHelper: |
| void DisableErrorPageHelperForNextError() override; |
| |
| private: |
| explicit ErrorPageHelper(content::RenderFrame* render_frame); |
| ~ErrorPageHelper() override; |
| |
| void BindErrorPageHelper( |
| mojo::PendingAssociatedReceiver<mojom::ErrorPageHelper> receiver); |
| |
| // Set to true in PrepareErrorPage(). |
| bool is_preparing_for_error_page_ = false; |
| |
| // Set to the value of |is_preparing_for_error_page_| in |
| // DidCommitProvisionalLoad(). Used to determine if the security interstitial |
| // should be shown when the load finishes. |
| bool show_error_page_in_finish_load_ = false; |
| |
| // Set to true when the embedder injects its own error page. When the |
| // embedder injects its own error page the support here is not needed and |
| // disabled. |
| bool is_disabled_for_next_error_ = false; |
| |
| mojo::AssociatedReceiver<mojom::ErrorPageHelper> error_page_helper_receiver_{ |
| this}; |
| |
| base::WeakPtrFactory<ErrorPageHelper> weak_factory_{this}; |
| }; |
| |
| } // namespace weblayer |
| |
| #endif // WEBLAYER_RENDERER_ERROR_PAGE_HELPER_H_ |