Serialize docks

src/atom-environment.coffee

@@ -38,6 +38,7 @@ Panel = require './panel'
 PaneContainer = require './pane-container'
 PaneAxis = require './pane-axis'
 Pane = require './pane'
+Dock = require './dock'
 Project = require './project'
 TextEditor = require './text-editor'
 TextBuffer = require 'text-buffer'
@@ -254,6 +255,7 @@ class AtomEnvironment extends Model
     @deserializers.add(PaneContainer)
     @deserializers.add(PaneAxis)
     @deserializers.add(Pane)
+    @deserializers.add(Dock)
     @deserializers.add(Project)
     @deserializers.add(TextEditor)
     @deserializers.add(TextBuffer)

src/dock.js

@@ -304,6 +304,24 @@ module.exports = class Dock {
     return initialSize == null ? DEFAULT_INITIAL_SIZE : initialSize
   }
 
+  serialize () {
+    return {
+      deserializer: 'Dock',
+      size: this.state.size,
+      paneContainer: this.paneContainer.serialize(),
+      open: this.state.open
+    }
+  }
+
+  deserialize (serialized, deserializerManager) {
+    this.paneContainer.deserialize(serialized.paneContainer, deserializerManager)
+    this.setState({
+      size: serialized.size,
+      // If no items could be deserialized, we don't want to show the dock (even if it was open last time)
+      open: serialized.open && (this.paneContainer.getPaneItems().length > 0)
+    })
+  }
+
   // PaneContainer-delegating methods
 
   getPanes () {

src/workspace.js

@@ -154,7 +154,12 @@ module.exports = class Workspace extends Model {
       deserializer: 'Workspace',
       paneContainer: this.paneContainer.serialize(),
       packagesWithActiveGrammars: this.getPackageNamesWithActiveGrammars(),
-      destroyedItemURIs: this.destroyedItemURIs.slice()
+      destroyedItemURIs: this.destroyedItemURIs.slice(),
+      docks: {
+        left: this.docks.left.serialize(),
+        right: this.docks.right.serialize(),
+        bottom: this.docks.bottom.serialize()
+      }
     }
   }
 
@@ -170,7 +175,13 @@ module.exports = class Workspace extends Model {
     if (state.destroyedItemURIs != null) {
       this.destroyedItemURIs = state.destroyedItemURIs
     }
-    return this.paneContainer.deserialize(state.paneContainer, deserializerManager)
+    this.paneContainer.deserialize(state.paneContainer, deserializerManager)
+    for (let location in this.docks) {
+      const serialized = state.docks && state.docks[location]
+      if (serialized) {
+        this.docks[location].deserialize(serialized, deserializerManager)
+      }
+    }
   }
 
   getPackageNamesWithActiveGrammars () {