electron/shell/browser/api/electron_api_protocol.h

106 lines
3.5 KiB
C++

// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ELECTRON_SHELL_BROWSER_API_ELECTRON_API_PROTOCOL_H_
#define ELECTRON_SHELL_BROWSER_API_ELECTRON_API_PROTOCOL_H_
#include <string>
#include <vector>
#include "content/public/browser/content_browser_client.h"
#include "gin/handle.h"
#include "gin/wrappable.h"
#include "shell/browser/net/electron_url_loader_factory.h"
namespace electron {
class ElectronBrowserContext;
class ProtocolRegistry;
namespace api {
std::vector<std::string> GetStandardSchemes();
void AddServiceWorkerScheme(const std::string& scheme);
void RegisterSchemesAsPrivileged(gin_helper::ErrorThrower thrower,
v8::Local<v8::Value> val);
// Possible errors.
enum class ProtocolError {
kOK, // no error
kRegistered,
kNotRegistered,
kIntercepted,
kNotIntercepted,
};
// Protocol implementation based on network services.
class Protocol : public gin::Wrappable<Protocol> {
public:
static gin::Handle<Protocol> Create(v8::Isolate* isolate,
ElectronBrowserContext* browser_context);
// gin::Wrappable
static gin::WrapperInfo kWrapperInfo;
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override;
const char* GetTypeName() override;
private:
Protocol(v8::Isolate* isolate, ProtocolRegistry* protocol_registry);
~Protocol() override;
// Callback types.
using CompletionCallback =
base::RepeatingCallback<void(v8::Local<v8::Value>)>;
// JS APIs.
ProtocolError RegisterProtocol(ProtocolType type,
const std::string& scheme,
const ProtocolHandler& handler);
bool UnregisterProtocol(const std::string& scheme, gin::Arguments* args);
bool IsProtocolRegistered(const std::string& scheme);
ProtocolError InterceptProtocol(ProtocolType type,
const std::string& scheme,
const ProtocolHandler& handler);
bool UninterceptProtocol(const std::string& scheme, gin::Arguments* args);
bool IsProtocolIntercepted(const std::string& scheme);
// Old async version of IsProtocolRegistered.
v8::Local<v8::Promise> IsProtocolHandled(const std::string& scheme,
gin::Arguments* args);
// Helper for converting old registration APIs to new RegisterProtocol API.
template <ProtocolType type>
bool RegisterProtocolFor(const std::string& scheme,
const ProtocolHandler& handler,
gin::Arguments* args) {
auto result = RegisterProtocol(type, scheme, handler);
HandleOptionalCallback(args, result);
return result == ProtocolError::kOK;
}
template <ProtocolType type>
bool InterceptProtocolFor(const std::string& scheme,
const ProtocolHandler& handler,
gin::Arguments* args) {
auto result = InterceptProtocol(type, scheme, handler);
HandleOptionalCallback(args, result);
return result == ProtocolError::kOK;
}
// Be compatible with old interface, which accepts optional callback.
void HandleOptionalCallback(gin::Arguments* args, ProtocolError error);
// Weak pointer; the lifetime of the ProtocolRegistry is guaranteed to be
// longer than the lifetime of this JS interface.
ProtocolRegistry* protocol_registry_;
};
} // namespace api
} // namespace electron
#endif // ELECTRON_SHELL_BROWSER_API_ELECTRON_API_PROTOCOL_H_