126 lines
4.5 KiB
CoffeeScript
126 lines
4.5 KiB
CoffeeScript
ipc = require 'ipc'
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path = require 'path'
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objectsRegistry = require './objects_registry.js'
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v8_util = process.atomBinding 'v8_util'
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# Convert a real value into meta data.
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valueToMeta = (processId, routingId, value) ->
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meta = type: typeof value
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meta.type = 'value' if value is null
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meta.type = 'array' if Array.isArray value
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# Treat the arguments object as array.
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meta.type = 'array' if meta.type is 'object' and value.callee? and value.length?
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if meta.type is 'array'
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meta.members = []
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meta.members.push valueToMeta(processId, routingId, el) for el in value
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else if meta.type is 'object' or meta.type is 'function'
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meta.name = value.constructor.name
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# Reference the original value if it's an object, because when it's
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# passed to renderer we would assume the renderer keeps a reference of
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# it.
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meta.storeId = objectsRegistry.add processId, routingId, value
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meta.id = value.id
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meta.members = []
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meta.members.push {name: prop, type: typeof field} for prop, field of value
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else
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meta.type = 'value'
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meta.value = value
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meta
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# Convert array of meta data from renderer into array of real values.
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unwrapArgs = (processId, routingId, args) ->
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args.map (meta) ->
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switch meta.type
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when 'value' then meta.value
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when 'object' then objectsRegistry.get meta.id
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when 'function'
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ret = ->
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ipc.sendChannel processId, routingId, 'ATOM_RENDERER_CALLBACK', meta.id, valueToMeta(processId, routingId, arguments)
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v8_util.setDestructor ret, ->
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ipc.sendChannel processId, routingId, 'ATOM_RENDERER_RELEASE_CALLBACK', meta.id
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ret
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else throw new TypeError("Unknown type: #{meta.type}")
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ipc.on 'ATOM_BROWSER_REQUIRE', (event, processId, routingId, module) ->
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try
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event.result = valueToMeta processId, routingId, require(module)
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_GLOBAL', (event, processId, routingId, name) ->
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try
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event.result = valueToMeta processId, routingId, global[name]
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_RELEASE_RENDER_VIEW', (event, processId, routingId) ->
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objectsRegistry.clear processId, routingId
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ipc.on 'ATOM_BROWSER_CURRENT_WINDOW', (event, processId, routingId) ->
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try
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windows = objectsRegistry.getAllWindows()
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for window in windows
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break if window.getProcessId() == processId and
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window.getRoutingId() == routingId
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event.result = valueToMeta processId, routingId, window
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_CONSTRUCTOR', (event, processId, routingId, id, args) ->
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try
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args = unwrapArgs processId, routingId, args
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constructor = objectsRegistry.get id
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# Call new with array of arguments.
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# http://stackoverflow.com/questions/1606797/use-of-apply-with-new-operator-is-this-possible
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obj = new (Function::bind.apply(constructor, [null].concat(args)))
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event.result = valueToMeta processId, routingId, obj
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_FUNCTION_CALL', (event, processId, routingId, id, args) ->
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try
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args = unwrapArgs processId, routingId, args
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func = objectsRegistry.get id
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ret = func.apply global, args
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event.result = valueToMeta processId, routingId, ret
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_MEMBER_CALL', (event, processId, routingId, id, method, args) ->
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try
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args = unwrapArgs processId, routingId, args
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obj = objectsRegistry.get id
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ret = obj[method].apply(obj, args)
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event.result = valueToMeta processId, routingId, ret
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_MEMBER_SET', (event, processId, routingId, id, name, value) ->
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try
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obj = objectsRegistry.get id
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obj[name] = value
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_MEMBER_GET', (event, processId, routingId, id, name) ->
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try
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obj = objectsRegistry.get id
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event.result = valueToMeta processId, routingId, obj[name]
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_REFERENCE', (event, processId, routingId, id) ->
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try
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obj = objectsRegistry.get id
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event.result = valueToMeta processId, routingId, obj
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catch e
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event.result = type: 'error', value: e.message
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ipc.on 'ATOM_BROWSER_DEREFERENCE', (processId, routingId, storeId) ->
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objectsRegistry.remove processId, routingId, storeId
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