docs: Improved documentation (#13403)
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Tiago Danin
Shelley Vohr
parent
2440d03595
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18 changed files with 79 additions and 79 deletions
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@ -881,7 +881,7 @@ Changes the [Application User Model ID][app-user-model-id] to `id`.
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Imports the certificate in pkcs12 format into the platform certificate store.
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`callback` is called with the `result` of import operation, a value of `0`
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indicates success while any other value indicates failure according to chromium [net_error_list](https://code.google.com/p/chromium/codesearch#chromium/src/net/base/net_error_list.h).
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indicates success while any other value indicates failure according to Chromium [net_error_list](https://code.google.com/p/chromium/codesearch#chromium/src/net/base/net_error_list.h).
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### `app.disableHardwareAcceleration()`
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@ -1033,7 +1033,7 @@ const stopAccessingSecurityScopedResource = app.startAccessingSecurityScopedReso
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stopAccessingSecurityScopedResource()
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```
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Start accessing a security scoped resource. With this method electron applications that are packaged for the Mac App Store may reach outside their sandbox to access files chosen by the user. See [Apple's documentation](https://developer.apple.com/library/content/documentation/Security/Conceptual/AppSandboxDesignGuide/AppSandboxInDepth/AppSandboxInDepth.html#//apple_ref/doc/uid/TP40011183-CH3-SW16) for a description of how this system works.
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Start accessing a security scoped resource. With this method Electron applications that are packaged for the Mac App Store may reach outside their sandbox to access files chosen by the user. See [Apple's documentation](https://developer.apple.com/library/content/documentation/Security/Conceptual/AppSandboxDesignGuide/AppSandboxInDepth/AppSandboxInDepth.html#//apple_ref/doc/uid/TP40011183-CH3-SW16) for a description of how this system works.
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### `app.commandLine.appendSwitch(switch[, value])`
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@ -59,11 +59,11 @@ The `role` property can have following values:
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* `delete`
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* `minimize` - Minimize current window.
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* `close` - Close current window.
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* `quit`- Quit the application.
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* `quit` - Quit the application.
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* `reload` - Reload the current window.
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* `forceReload` - Reload the current window ignoring the cache.
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* `toggleDevTools` - Toggle developer tools in the current window.
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* `toggleFullScreen`- Toggle full screen mode on the current window.
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* `toggleFullScreen` - Toggle full screen mode on the current window.
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* `resetZoom` - Reset the focused page's zoom level to the original size.
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* `zoomIn` - Zoom in the focused page by 10%.
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* `zoomOut` - Zoom out the focused page by 10%.
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@ -2,7 +2,7 @@
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> Create a browser window with a renderer that can run inside Chromium OS sandbox. With this
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option enabled, the renderer must communicate via IPC to the main process in order to access node APIs.
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However, in order to enable the Chromium OS sandbox, electron must be run with the `--enable-sandbox`
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However, in order to enable the Chromium OS sandbox, Electron must be run with the `--enable-sandbox`
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command line argument.
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One of the key security features of Chromium is that all blink rendering/JavaScript
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@ -14,26 +14,26 @@ to the system by delegating tasks to the main process via IPC.
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[Here's](https://www.chromium.org/developers/design-documents/sandbox) more
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information about the sandbox.
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Since a major feature in electron is the ability to run node.js in the
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Since a major feature in Electron is the ability to run Node.js in the
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renderer process (making it easier to develop desktop applications using web
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technologies), the sandbox is disabled by electron. This is because
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most node.js APIs require system access. `require()` for example, is not
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most Node.js APIs require system access. `require()` for example, is not
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possible without file system permissions, which are not available in a sandboxed
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environment.
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Usually this is not a problem for desktop applications since the code is always
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trusted, but it makes electron less secure than chromium for displaying
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trusted, but it makes Electron less secure than Chromium for displaying
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untrusted web content. For applications that require more security, the
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`sandbox` flag will force electron to spawn a classic chromium renderer that is
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`sandbox` flag will force Electron to spawn a classic Chromium renderer that is
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compatible with the sandbox.
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A sandboxed renderer doesn't have a node.js environment running and doesn't
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expose node.js JavaScript APIs to client code. The only exception is the preload script,
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which has access to a subset of the electron renderer API.
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A sandboxed renderer doesn't have a Node.js environment running and doesn't
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expose Node.js JavaScript APIs to client code. The only exception is the preload script,
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which has access to a subset of the Electron renderer API.
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Another difference is that sandboxed renderers don't modify any of the default
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JavaScript APIs. Consequently, some APIs such as `window.open` will work as they
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do in chromium (i.e. they do not return a [`BrowserWindowProxy`](browser-window-proxy.md)).
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do in Chromium (i.e. they do not return a [`BrowserWindowProxy`](browser-window-proxy.md)).
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## Example
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@ -51,9 +51,9 @@ app.on('ready', () => {
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})
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```
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In the above code the [`BrowserWindow`](browser-window.md) that was created has node.js disabled and can communicate
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only via IPC. The use of this option stops electron from creating a node.js runtime in the renderer. Also,
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within this new window `window.open` follows the native behaviour (by default electron creates a [`BrowserWindow`](browser-window.md)
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In the above code the [`BrowserWindow`](browser-window.md) that was created has Node.js disabled and can communicate
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only via IPC. The use of this option stops Electron from creating a Node.js runtime in the renderer. Also,
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within this new window `window.open` follows the native behaviour (by default Electron creates a [`BrowserWindow`](browser-window.md)
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and returns a proxy to this via `window.open`).
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It is important to note that this option alone won't enable the OS-enforced sandbox. To enable this feature, the
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@ -75,19 +75,19 @@ app.on('ready', () => {
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Note that it is not enough to call
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`app.commandLine.appendSwitch('--enable-sandbox')`, as electron/node startup
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code runs after it is possible to make changes to chromium sandbox settings. The
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switch must be passed to electron on the command-line:
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code runs after it is possible to make changes to Chromium sandbox settings. The
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switch must be passed to Electron on the command-line:
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```sh
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electron --enable-sandbox app.js
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```
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It is not possible to have the OS sandbox active only for some renderers, if
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`--enable-sandbox` is enabled, normal electron windows cannot be created.
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`--enable-sandbox` is enabled, normal Electron windows cannot be created.
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If you need to mix sandboxed and non-sandboxed renderers in one application,
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omit the `--enable-sandbox` argument. Without this argument, windows
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created with `sandbox: true` will still have node.js disabled and communicate
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created with `sandbox: true` will still have Node.js disabled and communicate
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only via IPC, which by itself is already a gain from security POV.
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## Preload
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@ -112,7 +112,7 @@ and preload.js:
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```js
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// This file is loaded whenever a javascript context is created. It runs in a
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// private scope that can access a subset of electron renderer APIs. We must be
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// private scope that can access a subset of Electron renderer APIs. We must be
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// careful to not leak any objects into the global scope!
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const fs = require('fs')
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const {ipcRenderer} = require('electron')
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@ -136,7 +136,7 @@ window.open = customWindowOpen
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Important things to notice in the preload script:
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- Even though the sandboxed renderer doesn't have node.js running, it still has
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- Even though the sandboxed renderer doesn't have Node.js running, it still has
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access to a limited node-like environment: `Buffer`, `process`, `setImmediate`
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and `require` are available.
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- The preload script can indirectly access all APIs from the main process through the
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@ -146,7 +146,7 @@ Important things to notice in the preload script:
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- The preload script must be contained in a single script, but it is possible to have
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complex preload code composed with multiple modules by using a tool like
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browserify, as explained below. In fact, browserify is already used by
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electron to provide a node-like environment to the preload script.
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Electron to provide a node-like environment to the preload script.
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To create a browserify bundle and use it as a preload script, something like
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the following should be used:
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@ -178,7 +178,7 @@ following modules:
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- `timers`
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- `url`
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More may be added as needed to expose more electron APIs in the sandbox, but any
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More may be added as needed to expose more Electron APIs in the sandbox, but any
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module in the main process can already be used through
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`electron.remote.require`.
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@ -186,7 +186,7 @@ module in the main process can already be used through
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Please use the `sandbox` option with care, as it is still an experimental
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feature. We are still not aware of the security implications of exposing some
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electron renderer APIs to the preload script, but here are some things to
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Electron renderer APIs to the preload script, but here are some things to
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consider before rendering untrusted content:
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- A preload script can accidentally leak privileged APIs to untrusted code.
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@ -194,9 +194,9 @@ consider before rendering untrusted content:
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APIs, effectively granting full access to the system through the `remote`
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module.
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Since rendering untrusted content in electron is still uncharted territory,
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Since rendering untrusted content in Electron is still uncharted territory,
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the APIs exposed to the sandbox preload script should be considered more
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unstable than the rest of electron APIs, and may have breaking changes to fix
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unstable than the rest of Electron APIs, and may have breaking changes to fix
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security issues.
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One planned enhancement that should greatly increase security is to block IPC
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@ -1,8 +1,8 @@
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# CertificatePrincipal Object
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* `commonName` String - Common Name
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* `organizations` String[] - Organization names
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* `organizationUnits` String[] - Organization Unit names
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* `locality` String - Locality
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* `state` String - State or province
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* `country` String - Country or region
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* `commonName` String - Common Name.
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* `organizations` String[] - Organization names.
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* `organizationUnits` String[] - Organization Unit names.
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* `locality` String - Locality.
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* `state` String - State or province.
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* `country` String - Country or region.
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@ -1,18 +1,18 @@
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# GPUFeatureStatus Object
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* `2d_canvas` String - Canvas
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* `flash_3d` String - Flash
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* `flash_stage3d` String - Flash Stage3D
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* `flash_stage3d_baseline` String - Flash Stage3D Baseline profile
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* `gpu_compositing` String - Compositing
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* `multiple_raster_threads` String - Multiple Raster Threads
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* `native_gpu_memory_buffers` String - Native GpuMemoryBuffers
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* `rasterization` String - Rasterization
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* `video_decode` String - Video Decode
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* `video_encode` String - Video Encode
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* `vpx_decode` String - VPx Video Decode
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* `webgl` String - WebGL
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* `webgl2` String - WebGL2
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* `2d_canvas` String - Canvas.
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* `flash_3d` String - Flash.
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* `flash_stage3d` String - Flash Stage3D.
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* `flash_stage3d_baseline` String - Flash Stage3D Baseline profile.
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* `gpu_compositing` String - Compositing.
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* `multiple_raster_threads` String - Multiple Raster Threads.
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* `native_gpu_memory_buffers` String - Native GpuMemoryBuffers.
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* `rasterization` String - Rasterization.
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* `video_decode` String - Video Decode.
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* `video_encode` String - Video Encode.
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* `vpx_decode` String - VPx Video Decode.
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* `webgl` String - WebGL.
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* `webgl2` String - WebGL2.
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Possible values:
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@ -1,4 +1,4 @@
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# MimeTypedBuffer Object
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* `mimeType` String - The mimeType of the Buffer that you are sending
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* `data` Buffer - The actual Buffer content
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* `mimeType` String - The mimeType of the Buffer that you are sending.
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* `data` Buffer - The actual Buffer content.
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@ -1,6 +1,6 @@
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# Rectangle Object
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* `x` Number - The x coordinate of the origin of the rectangle (must be an integer)
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* `y` Number - The y coordinate of the origin of the rectangle (must be an integer)
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* `width` Number - The width of the rectangle (must be an integer)
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* `height` Number - The height of the rectangle (must be an integer)
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* `x` Number - The x coordinate of the origin of the rectangle (must be an integer).
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* `y` Number - The y coordinate of the origin of the rectangle (must be an integer).
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* `width` Number - The width of the rectangle (must be an integer).
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* `height` Number - The height of the rectangle (must be an integer).
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@ -1,4 +1,4 @@
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# ScrubberItem Object
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* `label` String (optional) - The text to appear in this item
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* `icon` NativeImage (optional) - The image to appear in this item
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* `label` String (optional) - The text to appear in this item.
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* `icon` NativeImage (optional) - The image to appear in this item.
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@ -1,5 +1,5 @@
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# SegmentedControlSegment Object
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* `label` String (optional) - The text to appear in this segment
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* `icon` NativeImage (optional) - The image to appear in this segment
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* `enabled` Boolean (optional) - Whether this segment is selectable. Default: true
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* `label` String (optional) - The text to appear in this segment.
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* `icon` NativeImage (optional) - The image to appear in this segment.
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* `enabled` Boolean (optional) - Whether this segment is selectable. Default: true.
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@ -1,5 +1,5 @@
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# StreamProtocolResponse Object
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* `statusCode` Number - The HTTP response code
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* `headers` Object - An object containing the response headers
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* `data` ReadableStream - A Node.js readable stream representing the response body
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* `statusCode` Number - The HTTP response code.
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* `headers` Object - An object containing the response headers.
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* `data` ReadableStream - A Node.js readable stream representing the response body.
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@ -1468,7 +1468,7 @@ process.
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#### `contents.getProcessId()`
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Returns `Integer` - The chromium internal `pid` of the associated renderer. Can
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Returns `Integer` - The Chromium internal `pid` of the associated renderer. Can
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be compared to the `frameProcessId` passed by frame specific navigation events
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(e.g. `did-frame-navigate`)
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@ -4,7 +4,7 @@
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Process: [Renderer](../glossary.md#renderer-process)
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`webFrame` export of the electron module is an instance of the `WebFrame`
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`webFrame` export of the Electron module is an instance of the `WebFrame`
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class representing the top frame of the current `BrowserWindow`. Sub-frames can
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be retrieved by certain properties and methods (e.g. `webFrame.firstChild`).
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@ -231,8 +231,8 @@ renderer process.
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current renderer process. Routing IDs can be retrieved from `WebFrame`
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instances (`webFrame.routingId`) and are also passed by frame
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specific `WebContents` navigation events (e.g. `did-frame-navigate`)
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Returns `WebFrame` - that has the supplied `routingId`, `null` if not found.
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Returns `WebFrame` - that has the supplied `routingId`, `null` if not found.
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## Properties
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