| // 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. |
| |
| #ifndef CONTENT_BROWSER_MANIFEST_MANIFEST_MANAGER_HOST_H_ |
| #define CONTENT_BROWSER_MANIFEST_MANIFEST_MANAGER_HOST_H_ |
| |
| #include "base/callback_forward.h" |
| #include "base/containers/id_map.h" |
| #include "base/macros.h" |
| #include "content/common/manifest_observer.mojom.h" |
| #include "content/public/browser/web_contents_binding_set.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "third_party/WebKit/public/platform/modules/manifest/manifest_manager.mojom.h" |
| |
| namespace content { |
| |
| class RenderFrameHost; |
| class WebContents; |
| struct Manifest; |
| |
| // ManifestManagerHost is a helper class that allows callers to get the Manifest |
| // associated with the main frame of the observed WebContents. It handles the |
| // IPC messaging with the child process. |
| // TODO(mlamouri): keep a cached version and a dirty bit here. |
| class ManifestManagerHost : public WebContentsObserver, |
| public mojom::ManifestUrlChangeObserver { |
| public: |
| explicit ManifestManagerHost(WebContents* web_contents); |
| ~ManifestManagerHost() override; |
| |
| using GetManifestCallback = |
| base::OnceCallback<void(const GURL&, const Manifest&)>; |
| |
| // Calls the given callback with the manifest associated with the main frame. |
| // If the main frame has no manifest or if getting it failed the callback will |
| // have an empty manifest. |
| void GetManifest(GetManifestCallback callback); |
| |
| void RequestManifestDebugInfo( |
| blink::mojom::ManifestManager::RequestManifestDebugInfoCallback callback); |
| |
| // WebContentsObserver |
| void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; |
| |
| private: |
| using CallbackMap = base::IDMap<std::unique_ptr<GetManifestCallback>>; |
| |
| blink::mojom::ManifestManager& GetManifestManager(); |
| void OnConnectionError(); |
| |
| void OnRequestManifestResponse(int request_id, |
| const GURL& url, |
| const Manifest& manifest); |
| |
| // mojom::ManifestUrlChangeObserver: |
| void ManifestUrlChanged(const base::Optional<GURL>& manifest_url) override; |
| |
| RenderFrameHost* manifest_manager_frame_ = nullptr; |
| blink::mojom::ManifestManagerPtr manifest_manager_; |
| CallbackMap callbacks_; |
| |
| WebContentsFrameBindingSet<mojom::ManifestUrlChangeObserver> |
| manifest_url_change_observer_bindings_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ManifestManagerHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_MANIFEST_MANIFEST_MANAGER_HOST_H_ |