refactor: move common logic to handleRemoteCommand
This commit is contained in:
Milan Burda
parent
f1fe485768
commit
28e4fcea3b
2 changed files with 108 additions and 138 deletions
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@ -19,10 +19,10 @@ const FUNCTION_PROPERTIES = [
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// The remote functions in renderer processes.
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// id => Function
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let rendererFunctions = v8Util.createDoubleIDWeakMap()
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const rendererFunctions = v8Util.createDoubleIDWeakMap()
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// Return the description of object's members:
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let getObjectMembers = function (object) {
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const getObjectMembers = function (object) {
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let names = Object.getOwnPropertyNames(object)
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// For Function, we should not override following properties even though they
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// are "own" properties.
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@ -46,7 +46,7 @@ let getObjectMembers = function (object) {
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}
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// Return the description of object's prototype.
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let getObjectPrototype = function (object) {
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const getObjectPrototype = function (object) {
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let proto = Object.getPrototypeOf(object)
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if (proto === null || proto === Object.prototype) return null
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return {
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@ -56,7 +56,7 @@ let getObjectPrototype = function (object) {
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}
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// Convert a real value into meta data.
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let valueToMeta = function (sender, contextId, value, optimizeSimpleObject = false) {
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const valueToMeta = function (sender, contextId, value, optimizeSimpleObject = false) {
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// Determine the type of value.
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const meta = { type: typeof value }
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if (meta.type === 'object') {
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@ -244,7 +244,7 @@ const callFunction = function (event, contextId, func, caller, args) {
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func.apply(caller, args)
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} else {
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const ret = func.apply(caller, args)
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event.returnValue = valueToMeta(event.sender, contextId, ret, true)
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return valueToMeta(event.sender, contextId, ret, true)
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}
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} catch (error) {
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// Catch functions thrown further down in function invocation and wrap
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@ -257,148 +257,118 @@ const callFunction = function (event, contextId, func, caller, args) {
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}
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}
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ipcMain.on('ELECTRON_BROWSER_REQUIRE', function (event, contextId, module) {
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try {
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event.returnValue = valueToMeta(event.sender, contextId, process.mainModule.require(module))
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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})
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ipcMain.on('ELECTRON_BROWSER_GET_BUILTIN', function (event, contextId, module) {
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try {
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event.returnValue = valueToMeta(event.sender, contextId, electron[module])
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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})
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ipcMain.on('ELECTRON_BROWSER_GLOBAL', function (event, contextId, name) {
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try {
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event.returnValue = valueToMeta(event.sender, contextId, global[name])
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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})
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ipcMain.on('ELECTRON_BROWSER_CURRENT_WINDOW', function (event, contextId) {
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try {
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event.returnValue = valueToMeta(event.sender, contextId, event.sender.getOwnerBrowserWindow())
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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})
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ipcMain.on('ELECTRON_BROWSER_CURRENT_WEB_CONTENTS', function (event, contextId) {
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event.returnValue = valueToMeta(event.sender, contextId, event.sender)
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})
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ipcMain.on('ELECTRON_BROWSER_CONSTRUCTOR', function (event, contextId, id, args) {
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try {
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args = unwrapArgs(event.sender, contextId, args)
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let constructor = objectsRegistry.get(id)
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if (constructor == null) {
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throwRPCError(`Cannot call constructor on missing remote object ${id}`)
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const handleRemoteCommand = function (channel, handler) {
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ipcMain.on(channel, (event, contextId, ...args) => {
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let returnValue
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try {
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returnValue = handler(event, contextId, ...args)
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} catch (error) {
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returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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event.returnValue = valueToMeta(event.sender, contextId, new constructor(...args))
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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})
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ipcMain.on('ELECTRON_BROWSER_FUNCTION_CALL', function (event, contextId, id, args) {
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try {
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args = unwrapArgs(event.sender, contextId, args)
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let func = objectsRegistry.get(id)
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if (func == null) {
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throwRPCError(`Cannot call function on missing remote object ${id}`)
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if (returnValue !== undefined) {
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event.returnValue = returnValue
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}
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})
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}
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callFunction(event, contextId, func, global, args)
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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handleRemoteCommand('ELECTRON_BROWSER_REQUIRE', function (event, contextId, module) {
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return valueToMeta(event.sender, contextId, process.mainModule.require(module))
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})
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ipcMain.on('ELECTRON_BROWSER_MEMBER_CONSTRUCTOR', function (event, contextId, id, method, args) {
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try {
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args = unwrapArgs(event.sender, contextId, args)
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let object = objectsRegistry.get(id)
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if (object == null) {
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throwRPCError(`Cannot call constructor '${method}' on missing remote object ${id}`)
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}
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event.returnValue = valueToMeta(event.sender, contextId, new object[method](...args))
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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handleRemoteCommand('ELECTRON_BROWSER_GET_BUILTIN', function (event, contextId, module) {
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return valueToMeta(event.sender, contextId, electron[module])
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})
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ipcMain.on('ELECTRON_BROWSER_MEMBER_CALL', function (event, contextId, id, method, args) {
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try {
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args = unwrapArgs(event.sender, contextId, args)
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let obj = objectsRegistry.get(id)
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if (obj == null) {
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throwRPCError(`Cannot call function '${method}' on missing remote object ${id}`)
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}
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callFunction(event, contextId, obj[method], obj, args)
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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handleRemoteCommand('ELECTRON_BROWSER_GLOBAL', function (event, contextId, name) {
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return valueToMeta(event.sender, contextId, global[name])
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})
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ipcMain.on('ELECTRON_BROWSER_MEMBER_SET', function (event, contextId, id, name, args) {
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try {
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args = unwrapArgs(event.sender, contextId, args)
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let obj = objectsRegistry.get(id)
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if (obj == null) {
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throwRPCError(`Cannot set property '${name}' on missing remote object ${id}`)
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}
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obj[name] = args[0]
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event.returnValue = null
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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handleRemoteCommand('ELECTRON_BROWSER_CURRENT_WINDOW', function (event, contextId) {
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return valueToMeta(event.sender, contextId, event.sender.getOwnerBrowserWindow())
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})
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ipcMain.on('ELECTRON_BROWSER_MEMBER_GET', function (event, contextId, id, name) {
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try {
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let obj = objectsRegistry.get(id)
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if (obj == null) {
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throwRPCError(`Cannot get property '${name}' on missing remote object ${id}`)
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}
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event.returnValue = valueToMeta(event.sender, contextId, obj[name])
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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handleRemoteCommand('ELECTRON_BROWSER_CURRENT_WEB_CONTENTS', function (event, contextId) {
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return valueToMeta(event.sender, contextId, event.sender)
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})
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ipcMain.on('ELECTRON_BROWSER_DEREFERENCE', function (event, contextId, id) {
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handleRemoteCommand('ELECTRON_BROWSER_CONSTRUCTOR', function (event, contextId, id, args) {
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args = unwrapArgs(event.sender, contextId, args)
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let constructor = objectsRegistry.get(id)
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if (constructor == null) {
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throwRPCError(`Cannot call constructor on missing remote object ${id}`)
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}
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return valueToMeta(event.sender, contextId, new constructor(...args))
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})
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handleRemoteCommand('ELECTRON_BROWSER_FUNCTION_CALL', function (event, contextId, id, args) {
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args = unwrapArgs(event.sender, contextId, args)
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let func = objectsRegistry.get(id)
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if (func == null) {
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throwRPCError(`Cannot call function on missing remote object ${id}`)
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}
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return callFunction(event, contextId, func, global, args)
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})
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handleRemoteCommand('ELECTRON_BROWSER_MEMBER_CONSTRUCTOR', function (event, contextId, id, method, args) {
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args = unwrapArgs(event.sender, contextId, args)
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let object = objectsRegistry.get(id)
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if (object == null) {
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throwRPCError(`Cannot call constructor '${method}' on missing remote object ${id}`)
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}
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return valueToMeta(event.sender, contextId, new object[method](...args))
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})
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handleRemoteCommand('ELECTRON_BROWSER_MEMBER_CALL', function (event, contextId, id, method, args) {
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args = unwrapArgs(event.sender, contextId, args)
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let obj = objectsRegistry.get(id)
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if (obj == null) {
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throwRPCError(`Cannot call function '${method}' on missing remote object ${id}`)
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}
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return callFunction(event, contextId, obj[method], obj, args)
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})
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handleRemoteCommand('ELECTRON_BROWSER_MEMBER_SET', function (event, contextId, id, name, args) {
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args = unwrapArgs(event.sender, contextId, args)
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let obj = objectsRegistry.get(id)
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if (obj == null) {
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throwRPCError(`Cannot set property '${name}' on missing remote object ${id}`)
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}
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obj[name] = args[0]
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return null
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})
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handleRemoteCommand('ELECTRON_BROWSER_MEMBER_GET', function (event, contextId, id, name) {
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let obj = objectsRegistry.get(id)
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if (obj == null) {
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throwRPCError(`Cannot get property '${name}' on missing remote object ${id}`)
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}
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return valueToMeta(event.sender, contextId, obj[name])
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})
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handleRemoteCommand('ELECTRON_BROWSER_DEREFERENCE', function (event, contextId, id) {
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objectsRegistry.remove(event.sender, contextId, id)
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})
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ipcMain.on('ELECTRON_BROWSER_CONTEXT_RELEASE', (event, contextId) => {
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handleRemoteCommand('ELECTRON_BROWSER_CONTEXT_RELEASE', (event, contextId) => {
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objectsRegistry.clear(event.sender, contextId)
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event.returnValue = null
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return null
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})
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ipcMain.on('ELECTRON_BROWSER_GUEST_WEB_CONTENTS', function (event, contextId, guestInstanceId) {
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try {
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let guestViewManager = require('./guest-view-manager')
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event.returnValue = valueToMeta(event.sender, contextId, guestViewManager.getGuest(guestInstanceId))
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} catch (error) {
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event.returnValue = exceptionToMeta(event.sender, contextId, error)
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}
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handleRemoteCommand('ELECTRON_BROWSER_GUEST_WEB_CONTENTS', function (event, contextId, guestInstanceId) {
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let guestViewManager = require('./guest-view-manager')
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return valueToMeta(event.sender, contextId, guestViewManager.getGuest(guestInstanceId))
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})
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ipcMain.on('ELECTRON_BROWSER_ASYNC_CALL_TO_GUEST_VIEW', function (event, contextId, requestId, guestInstanceId, method, ...args) {
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