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refactor: use v8 serialization for ipc (#20214)

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* refactor: use v8 serialization for ipc

* cloning process.env doesn't work

* serialize host objects by enumerating key/values

* new serialization can handle NaN, Infinity, and undefined correctly

* can't allocate v8 objects during GC

* backport microtasks fix

* fix compile

* fix node_stream_loader reentrancy

* update subframe spec to expect undefined instead of null

* write undefined instead of crashing when serializing host objects

* fix webview spec

* fix download spec

* buffers are transformed into uint8arrays

* can't serialize promises

* fix chrome.i18n.getMessage

* fix devtools tests

* fix zoom test

* fix debug build

* fix lint

* update ipcRenderer tests

* fix printToPDF test

* update patch

* remove accidentally re-added remote-side spec

* wip

* don't attempt to serialize host objects

* jump through different hoops to set options.webContents sometimes

* whoops

* fix lint

* clean up error-handling logic

* fix memory leak

* fix lint

* convert host objects using old base::Value serialization

* fix lint more

* fall back to base::Value-based serialization

* remove commented-out code

* add docs to breaking-changes.md

* Update breaking-changes.md

* update ipcRenderer and WebContents docs

* lint

* use named values for format tag

* save a memcpy for ~30% speedup

* get rid of calls to ShallowClone

* extra debugging for paranoia

* d'oh, use the correct named tags

* apparently msstl doesn't like this DCHECK

* funny story about that DCHECK

* disable remote-related functions when enable_remote_module = false

* nits

* use EnableIf to disable remote methods in mojom

* fix include

* review comments
This commit is contained in:
Jeremy Apthorp 2019-10-09 10:59:08 -07:00 • committed by John Kleinschmidt
parent c250cd6e7c
commit 2fad53e66b
38 changed files with 623 additions and 169 deletions
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24
docs/api/web-contents.md
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@ -1479,9 +1479,15 @@ Opens the developer tools for the service worker context.
* `channel` String
* `...args` any[]
Send an asynchronous message to renderer process via `channel`, you can also
send arbitrary arguments. Arguments will be serialized in JSON internally and
hence no functions or prototype chain will be included.
Send an asynchronous message to the renderer process via `channel`, along with
arguments. Arguments will be serialized with the [Structured Clone
Algorithm][SCA], just like [`postMessage`][], so prototype chains will not be
included. Sending Functions, Promises, Symbols, WeakMaps, or WeakSets will
throw an exception.
> **NOTE**: Sending non-standard JavaScript types such as DOM objects or
> special Electron objects is deprecated, and will begin throwing an exception
> starting with Electron 9.
The renderer process can handle the message by listening to `channel` with the
[`ipcRenderer`](ipc-renderer.md) module.
@ -1522,8 +1528,14 @@ app.on('ready', () => {
* `...args` any[]
Send an asynchronous message to a specific frame in a renderer process via
`channel`. Arguments will be serialized
as JSON internally and as such no functions or prototype chains will be included.
`channel`, along with arguments. Arguments will be serialized with the
[Structured Clone Algorithm][SCA], just like [`postMessage`][], so prototype
chains will not be included. Sending Functions, Promises, Symbols, WeakMaps, or
WeakSets will throw an exception.
> **NOTE**: Sending non-standard JavaScript types such as DOM objects or
> special Electron objects is deprecated, and will begin throwing an exception
> starting with Electron 9.
The renderer process can handle the message by listening to `channel` with the
[`ipcRenderer`](ipc-renderer.md) module.
@ -1785,3 +1797,5 @@ A [`Debugger`](debugger.md) instance for this webContents.
[keyboardevent]: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent
[event-emitter]: https://nodejs.org/api/events.html#events_class_eventemitter
[SCA]: https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm
[`postMessage`]: https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage