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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_CAST_RECEIVER_BROWSER_PUBLIC_CONTENT_BROWSER_CLIENT_MIXINS_H_
#define COMPONENTS_CAST_RECEIVER_BROWSER_PUBLIC_CONTENT_BROWSER_CLIENT_MIXINS_H_
#include <memory>
#include <string_view>
#include <vector>
#include "base/functional/callback.h"
#include "components/cast_receiver/browser/runtime_application_dispatcher_impl.h"
#include "content/public/browser/frame_tree_node_id.h"
#include "services/network/public/cpp/network_context_getter.h"
namespace blink {
class URLLoaderThrottle;
} // namespace blink
namespace content {
class WebContents;
} // namespace content
namespace cast_receiver {
class ApplicationClient;
class ApplicationStateObserver;
class StreamingResolutionObserver;
// This class is responsible for providing all factory methods required for
// creating the classes responsible for management and control of cast
// application types, as required for the functionality of the remainder of
// this component, as well as responding to any callbacks from the application
// process.
class ContentBrowserClientMixins {
public:
// The NetworkContext to use with the cast_streaming component for network
// access to implement the Cast Streaming receiver. This NetworkContext is
// eventually passed to the Open Screen library platform implementation.
static std::unique_ptr<ContentBrowserClientMixins> Create(
network::NetworkContextGetter network_context_getter);
virtual ~ContentBrowserClientMixins() = default;
// Adds or removes a ApplicationStateObserver. |observer| must not yet have
// been added, must be non-null, and is expected to remain valid for the
// duration of this instance's lifetime or until the associated Remove method
// below is called for a call to AddApplicationStateObserver(), and must
// have been previously added for a call to RemoveApplicationStateObserver().
virtual void AddApplicationStateObserver(
ApplicationStateObserver* observer) = 0;
virtual void RemoveApplicationStateObserver(
ApplicationStateObserver* observer) = 0;
// Adds or removes a StreamingResolutionObserver. |observer| must not yet have
// been added, must be non-null, and is expected to remain valid for the
// duration of this instance's lifetime or until the associated Remove method
// below is called for a call to AddStreamingResolutionObserver(), and must
// have been previously added for a call to
// RemoveStreamingResolutionObserver().
virtual void AddStreamingResolutionObserver(
StreamingResolutionObserver* observer) = 0;
virtual void RemoveStreamingResolutionObserver(
StreamingResolutionObserver* observer) = 0;
// To be called for every new WebContents creation.
virtual void OnWebContentsCreated(content::WebContents* web_contents) = 0;
// To be called by the ContentBrowserClient function of the same name.
using CorsExemptHeaderCallback =
base::RepeatingCallback<bool(std::string_view)>;
virtual std::vector<std::unique_ptr<blink::URLLoaderThrottle>>
CreateURLLoaderThrottles(
const base::RepeatingCallback<content::WebContents*()>& wc_getter,
content::FrameTreeNodeId frame_tree_node_id,
CorsExemptHeaderCallback is_cors_exempt_header_cb) = 0;
// Creates a new RuntimeApplicationDispatcher.
//
// |TEmbedderApplication| must implement EmbedderApplication.
template <typename TEmbedderApplication>
std::unique_ptr<RuntimeApplicationDispatcher<TEmbedderApplication>>
CreateApplicationDispatcher() {
return std::make_unique<
RuntimeApplicationDispatcherImpl<TEmbedderApplication>>(
GetApplicationClient());
}
protected:
virtual ApplicationClient& GetApplicationClient() = 0;
};
} // namespace cast_receiver
#endif // COMPONENTS_CAST_RECEIVER_BROWSER_PUBLIC_CONTENT_BROWSER_CLIENT_MIXINS_H_
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