diff options
Diffstat (limited to 'devtools/shared/commands/resource/legacy-listeners/console-messages.js')
-rw-r--r-- | devtools/shared/commands/resource/legacy-listeners/console-messages.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/devtools/shared/commands/resource/legacy-listeners/console-messages.js b/devtools/shared/commands/resource/legacy-listeners/console-messages.js new file mode 100644 index 0000000000..ae3f81b4df --- /dev/null +++ b/devtools/shared/commands/resource/legacy-listeners/console-messages.js @@ -0,0 +1,59 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const ResourceCommand = require("resource://devtools/shared/commands/resource/resource-command.js"); + +module.exports = async function ({ targetCommand, targetFront, onAvailable }) { + // Allow the top level target unconditionnally. + // Also allow frame, but only in content toolbox, i.e. still ignore them in + // the context of the browser toolbox as we inspect messages via the process + // targets + const listenForFrames = targetCommand.descriptorFront.isTabDescriptor; + + // Allow workers when messages aren't dispatched to the main thread. + const listenForWorkers = + !targetCommand.rootFront.traits + .workerConsoleApiMessagesDispatchedToMainThread; + + const acceptTarget = + targetFront.isTopLevel || + targetFront.targetType === targetCommand.TYPES.PROCESS || + (targetFront.targetType === targetCommand.TYPES.FRAME && listenForFrames) || + (targetFront.targetType === targetCommand.TYPES.WORKER && listenForWorkers); + + if (!acceptTarget) { + return; + } + + const webConsoleFront = await targetFront.getFront("console"); + if (webConsoleFront.isDestroyed()) { + return; + } + + // Request notifying about new messages + await webConsoleFront.startListeners(["ConsoleAPI"]); + + // Fetch already existing messages + // /!\ The actor implementation requires to call startListeners(ConsoleAPI) first /!\ + const { messages } = await webConsoleFront.getCachedMessages(["ConsoleAPI"]); + + for (const message of messages) { + message.resourceType = ResourceCommand.TYPES.CONSOLE_MESSAGE; + } + onAvailable(messages); + + // Forward new message events + webConsoleFront.on("consoleAPICall", message => { + // Ignore console messages that are cloned from the content process + // (they aren't relevant to toolboxes still using legacy listeners) + if (message.clonedFromContentProcess) { + return; + } + + message.resourceType = ResourceCommand.TYPES.CONSOLE_MESSAGE; + onAvailable([message]); + }); +}; |