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- // 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_
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