blob: 40c5c86e0025b1068ce7fe65dcac618f9cf26524 [file] [log] [blame]
// 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/blink/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_