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// Copyright 2021 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 IOS_WEB_JS_FEATURES_WINDOW_ERROR_WINDOW_ERROR_JAVA_SCRIPT_FEATURE_H_
#define IOS_WEB_JS_FEATURES_WINDOW_ERROR_WINDOW_ERROR_JAVA_SCRIPT_FEATURE_H_
#include "base/callback.h"
#include "ios/web/public/js_messaging/java_script_feature.h"
#include "url/gurl.h"
namespace web {
// A feature which listens for JavaScript errors in all frames and executes a
// given callback with details about each received error.
class WindowErrorJavaScriptFeature : public JavaScriptFeature {
public:
// Wraps information about an error.
struct ErrorDetails {
public:
ErrorDetails();
~ErrorDetails();
// The filename in which the error occurred.
NSString* filename;
// The line number at which the error occurred.
int line_number;
// The error message.
NSString* message;
// The url where the error occurred.
GURL url;
// Whether or not this error occurred in the main frame.
bool is_main_frame;
};
WindowErrorJavaScriptFeature(
base::RepeatingCallback<void(ErrorDetails)> callback);
~WindowErrorJavaScriptFeature() override;
WindowErrorJavaScriptFeature(const WindowErrorJavaScriptFeature&) = delete;
WindowErrorJavaScriptFeature& operator=(const WindowErrorJavaScriptFeature&) =
delete;
private:
// JavaScriptFeature:
base::Optional<std::string> GetScriptMessageHandlerName() const override;
void ScriptMessageReceived(WebState* web_state,
const ScriptMessage& message) override;
base::RepeatingCallback<void(ErrorDetails)> callback_;
};
} // namespace web
#endif // IOS_WEB_JS_FEATURES_WINDOW_ERROR_WINDOW_ERROR_JAVA_SCRIPT_FEATURE_H_