"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ipcRendererUtils = require("@electron/internal/renderer/ipc-renderer-internal-utils");
const web_view_impl_1 = require("@electron/internal/renderer/web-view/web-view-impl");
// Helper function to resolve url set in attribute.
const a = document.createElement('a');
const resolveURL = function (url) {
    if (!url)
        return '';
    a.href = url;
    return a.href;
};
// Attribute objects.
// Default implementation of a WebView attribute.
class WebViewAttribute {
    constructor(name, webViewImpl) {
        this.name = name;
        this.webViewImpl = webViewImpl;
        this.ignoreMutation = false;
        // Called when the attribute's value changes.
        this.handleMutation = () => undefined;
        this.name = name;
        this.value = webViewImpl.webviewNode[name] || '';
        this.webViewImpl = webViewImpl;
        this.defineProperty();
    }
    // Retrieves and returns the attribute's value.
    getValue() {
        return this.webViewImpl.webviewNode.getAttribute(this.name) || this.value;
    }
    // Sets the attribute's value.
    setValue(value) {
        this.webViewImpl.webviewNode.setAttribute(this.name, value || '');
    }
    // Changes the attribute's value without triggering its mutation handler.
    setValueIgnoreMutation(value) {
        this.ignoreMutation = true;
        this.setValue(value);
        this.ignoreMutation = false;
    }
    // Defines this attribute as a property on the webview node.
    defineProperty() {
        return Object.defineProperty(this.webViewImpl.webviewNode, this.name, {
            get: () => {
                return this.getValue();
            },
            set: (value) => {
                return this.setValue(value);
            },
            enumerable: true
        });
    }
}
// An attribute that is treated as a Boolean.
class BooleanAttribute extends WebViewAttribute {
    getValue() {
        return this.webViewImpl.webviewNode.hasAttribute(this.name);
    }
    setValue(value) {
        if (value) {
            this.webViewImpl.webviewNode.setAttribute(this.name, '');
        }
        else {
            this.webViewImpl.webviewNode.removeAttribute(this.name);
        }
    }
}
// Attribute representing the state of the storage partition.
class PartitionAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("partition" /* ATTRIBUTE_PARTITION */, webViewImpl);
        this.webViewImpl = webViewImpl;
        this.validPartitionId = true;
        this.handleMutation = (oldValue, newValue) => {
            newValue = newValue || '';
            // The partition cannot change if the webview has already navigated.
            if (!this.webViewImpl.beforeFirstNavigation) {
                console.error("The object has already navigated, so its partition cannot be changed." /* ERROR_MSG_ALREADY_NAVIGATED */);
                this.setValueIgnoreMutation(oldValue);
                return;
            }
            if (newValue === 'persist:') {
                this.validPartitionId = false;
                console.error("Invalid partition attribute." /* ERROR_MSG_INVALID_PARTITION_ATTRIBUTE */);
            }
        };
    }
}
// Attribute that handles the location and navigation of the webview.
class SrcAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("src" /* ATTRIBUTE_SRC */, webViewImpl);
        this.webViewImpl = webViewImpl;
        this.handleMutation = (oldValue, newValue) => {
            // Once we have navigated, we don't allow clearing the src attribute.
            // Once <webview> enters a navigated state, it cannot return to a
            // placeholder state.
            if (!newValue && oldValue) {
                // src attribute changes normally initiate a navigation. We suppress
                // the next src attribute handler call to avoid reloading the page
                // on every guest-initiated navigation.
                this.setValueIgnoreMutation(oldValue);
                return;
            }
            this.parse();
        };
        this.setupMutationObserver();
    }
    getValue() {
        if (this.webViewImpl.webviewNode.hasAttribute(this.name)) {
            return resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name));
        }
        else {
            return this.value;
        }
    }
    setValueIgnoreMutation(value) {
        super.setValueIgnoreMutation(value);
        // takeRecords() is needed to clear queued up src mutations. Without it, it
        // is possible for this change to get picked up asyncronously by src's
        // mutation observer |observer|, and then get handled even though we do not
        // want to handle this mutation.
        this.observer.takeRecords();
    }
    // The purpose of this mutation observer is to catch assignment to the src
    // attribute without any changes to its value. This is useful in the case
    // where the webview guest has crashed and navigating to the same address
    // spawns off a new process.
    setupMutationObserver() {
        this.observer = new MutationObserver((mutations) => {
            for (const mutation of mutations) {
                const { oldValue } = mutation;
                const newValue = this.getValue();
                if (oldValue !== newValue) {
                    return;
                }
                this.handleMutation(oldValue, newValue);
            }
        });
        const params = {
            attributes: true,
            attributeOldValue: true,
            attributeFilter: [this.name]
        };
        this.observer.observe(this.webViewImpl.webviewNode, params);
    }
    parse() {
        if (!this.webViewImpl.elementAttached || !this.webViewImpl.attributes["partition" /* ATTRIBUTE_PARTITION */].validPartitionId || !this.getValue()) {
            return;
        }
        if (this.webViewImpl.guestInstanceId == null) {
            if (this.webViewImpl.beforeFirstNavigation) {
                this.webViewImpl.beforeFirstNavigation = false;
                this.webViewImpl.createGuest();
            }
            return;
        }
        // Navigate to |this.src|.
        const opts = {};
        const httpreferrer = this.webViewImpl.attributes["httpreferrer" /* ATTRIBUTE_HTTPREFERRER */].getValue();
        if (httpreferrer) {
            opts.httpReferrer = httpreferrer;
        }
        const useragent = this.webViewImpl.attributes["useragent" /* ATTRIBUTE_USERAGENT */].getValue();
        if (useragent) {
            opts.userAgent = useragent;
        }
        const guestInstanceId = this.webViewImpl.guestInstanceId;
        const method = 'loadURL';
        const args = [this.getValue(), opts];
        ipcRendererUtils.invoke('ELECTRON_GUEST_VIEW_MANAGER_CALL', guestInstanceId, method, args);
    }
}
// Attribute specifies HTTP referrer.
class HttpReferrerAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("httpreferrer" /* ATTRIBUTE_HTTPREFERRER */, webViewImpl);
    }
}
// Attribute specifies user agent
class UserAgentAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("useragent" /* ATTRIBUTE_USERAGENT */, webViewImpl);
    }
}
// Attribute that set preload script.
class PreloadAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("preload" /* ATTRIBUTE_PRELOAD */, webViewImpl);
    }
    getValue() {
        if (!this.webViewImpl.webviewNode.hasAttribute(this.name)) {
            return this.value;
        }
        let preload = resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name));
        const protocol = preload.substr(0, 5);
        if (protocol !== 'file:') {
            console.error("Only \"file:\" protocol is supported in \"preload\" attribute." /* ERROR_MSG_INVALID_PRELOAD_ATTRIBUTE */);
            preload = '';
        }
        return preload;
    }
}
// Attribute that specifies the blink features to be enabled.
class BlinkFeaturesAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("blinkfeatures" /* ATTRIBUTE_BLINKFEATURES */, webViewImpl);
    }
}
// Attribute that specifies the blink features to be disabled.
class DisableBlinkFeaturesAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("disableblinkfeatures" /* ATTRIBUTE_DISABLEBLINKFEATURES */, webViewImpl);
    }
}
// Attribute that specifies the web preferences to be enabled.
class WebPreferencesAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("webpreferences" /* ATTRIBUTE_WEBPREFERENCES */, webViewImpl);
    }
}
class EnableRemoteModuleAttribute extends WebViewAttribute {
    constructor(webViewImpl) {
        super("enableremotemodule" /* ATTRIBUTE_ENABLEREMOTEMODULE */, webViewImpl);
    }
    getValue() {
        return this.webViewImpl.webviewNode.getAttribute(this.name) !== 'false';
    }
    setValue(value) {
        this.webViewImpl.webviewNode.setAttribute(this.name, value ? 'true' : 'false');
    }
}
// Sets up all of the webview attributes.
web_view_impl_1.WebViewImpl.prototype.setupWebViewAttributes = function () {
    this.attributes = {};
    this.attributes["partition" /* ATTRIBUTE_PARTITION */] = new PartitionAttribute(this);
    this.attributes["src" /* ATTRIBUTE_SRC */] = new SrcAttribute(this);
    this.attributes["httpreferrer" /* ATTRIBUTE_HTTPREFERRER */] = new HttpReferrerAttribute(this);
    this.attributes["useragent" /* ATTRIBUTE_USERAGENT */] = new UserAgentAttribute(this);
    this.attributes["nodeintegration" /* ATTRIBUTE_NODEINTEGRATION */] = new BooleanAttribute("nodeintegration" /* ATTRIBUTE_NODEINTEGRATION */, this);
    this.attributes["nodeintegrationinsubframes" /* ATTRIBUTE_NODEINTEGRATIONINSUBFRAMES */] = new BooleanAttribute("nodeintegrationinsubframes" /* ATTRIBUTE_NODEINTEGRATIONINSUBFRAMES */, this);
    this.attributes["plugins" /* ATTRIBUTE_PLUGINS */] = new BooleanAttribute("plugins" /* ATTRIBUTE_PLUGINS */, this);
    this.attributes["disablewebsecurity" /* ATTRIBUTE_DISABLEWEBSECURITY */] = new BooleanAttribute("disablewebsecurity" /* ATTRIBUTE_DISABLEWEBSECURITY */, this);
    this.attributes["allowpopups" /* ATTRIBUTE_ALLOWPOPUPS */] = new BooleanAttribute("allowpopups" /* ATTRIBUTE_ALLOWPOPUPS */, this);
    this.attributes["enableremotemodule" /* ATTRIBUTE_ENABLEREMOTEMODULE */] = new EnableRemoteModuleAttribute(this);
    this.attributes["preload" /* ATTRIBUTE_PRELOAD */] = new PreloadAttribute(this);
    this.attributes["blinkfeatures" /* ATTRIBUTE_BLINKFEATURES */] = new BlinkFeaturesAttribute(this);
    this.attributes["disableblinkfeatures" /* ATTRIBUTE_DISABLEBLINKFEATURES */] = new DisableBlinkFeaturesAttribute(this);
    this.attributes["webpreferences" /* ATTRIBUTE_WEBPREFERENCES */] = new WebPreferencesAttribute(this);
};