refactor: implement clipboard APIs without the remote module (#17200)

lib/common/api/clipboard.js

@@ -1,20 +1,29 @@
 'use strict'
 
-if (process.platform === 'linux' && process.type === 'renderer') {
-  // On Linux we could not access clipboard in renderer process.
-  const { getRemote } = require('@electron/internal/renderer/remote')
-  module.exports = getRemote('clipboard')
-} else {
-  const clipboard = process.atomBinding('clipboard')
+const clipboard = process.atomBinding('clipboard')
 
-  // Read/write to find pasteboard over IPC since only main process is notified
-  // of changes
-  if (process.platform === 'darwin' && process.type === 'renderer') {
-    const ipcRendererUtils = require('@electron/internal/renderer/ipc-renderer-internal-utils')
+if (process.type === 'renderer') {
+  const ipcRendererUtils = require('@electron/internal/renderer/ipc-renderer-internal-utils')
+  const clipboardUtils = require('@electron/internal/common/clipboard-utils')
 
-    clipboard.readFindText = (...args) => ipcRendererUtils.invokeSync('ELECTRON_BROWSER_CLIPBOARD_READ_FIND_TEXT', ...args)
-    clipboard.writeFindText = (...args) => ipcRendererUtils.invokeSync('ELECTRON_BROWSER_CLIPBOARD_WRITE_FIND_TEXT', ...args)
+  const makeRemoteMethod = function (method) {
+    return (...args) => {
+      args = clipboardUtils.serialize(args)
+      const result = ipcRendererUtils.invokeSync('ELECTRON_BROWSER_CLIPBOARD', method, ...args)
+      return clipboardUtils.deserialize(result)
+    }
   }
 
-  module.exports = clipboard
+  if (process.platform === 'linux') {
+    // On Linux we could not access clipboard in renderer process.
+    for (const method of Object.keys(clipboard)) {
+      clipboard[method] = makeRemoteMethod(method)
+    }
+  } else if (process.platform === 'darwin') {
+    // Read/write to find pasteboard over IPC since only main process is notified of changes
+    clipboard.readFindText = makeRemoteMethod('readFindText')
+    clipboard.writeFindText = makeRemoteMethod('writeFindText')
+  }
 }
+
+module.exports = clipboard

lib/common/api/native-image.js

@@ -1,3 +1,5 @@
 'use strict'
 
-module.exports = process.atomBinding('native_image')
+const { nativeImage } = process.atomBinding('native_image')
+
+module.exports = nativeImage

lib/common/clipboard-utils.js

@@ -0,0 +1,46 @@
+'use strict'
+
+const { nativeImage, NativeImage } = process.atomBinding('native_image')
+
+const objectMap = function (source, mapper) {
+  const sourceEntries = Object.entries(source)
+  const targetEntries = sourceEntries.map(([key, val]) => [key, mapper(val)])
+  return Object.fromEntries(targetEntries)
+}
+
+const serialize = function (value) {
+  if (value instanceof NativeImage) {
+    return {
+      buffer: value.toBitmap(),
+      size: value.getSize(),
+      __ELECTRON_SERIALIZED_NativeImage__: true
+    }
+  } else if (Array.isArray(value)) {
+    return value.map(serialize)
+  } else if (value instanceof Buffer) {
+    return value
+  } else if (value instanceof Object) {
+    return objectMap(value, serialize)
+  } else {
+    return value
+  }
+}
+
+const deserialize = function (value) {
+  if (value && value.__ELECTRON_SERIALIZED_NativeImage__) {
+    return nativeImage.createFromBitmap(value.buffer, value.size)
+  } else if (Array.isArray(value)) {
+    return value.map(deserialize)
+  } else if (value instanceof Buffer) {
+    return value
+  } else if (value instanceof Object) {
+    return objectMap(value, deserialize)
+  } else {
+    return value
+  }
+}
+
+module.exports = {
+  serialize,
+  deserialize
+}