Feature: Chrome APIs

BUILD

@@ -66,3 +66,9 @@ jsinterop_generator(
     name = "elemental2-indexeddb",
     exports = ["//java/elemental2/indexeddb"],
 )
+
+# Chrome api
+jsinterop_generator(
+    name = "elemental2-chrome",
+    exports = ["//java/elemental2/chrome"],
+)

README.md

@@ -54,6 +54,7 @@ Following are the different elemental2 modules and their target names:
  webgl      | `@com_google_elemental2//:elemental2-webgl-j2cl`
  media      | `@com_google_elemental2//:elemental2-media-j2cl`
  webstorage | `@com_google_elemental2//:elemental2-webstorage-j2cl`
+ chrome     | `@com_google_elemental2//:elemental2-chrome-j2cl`
 
 Maven dependencies
 ------------------
@@ -76,6 +77,7 @@ If your project use [Maven](https://maven.apache.org), add maven dependencies in
  webgl | `elemental2-webgl`
  media | `elemental2-media`
  webstorage | `elemental2-webstorage`
+ chrome | `elemental2-chrome`
 
 Download the jar files
 ----------------------
@@ -91,6 +93,7 @@ You can also download manually the jars files.
  webgl | [elemental2-webgl.jar](https://oss.sonatype.org/content/repositories/releases/com/google/elemental2/elemental2-webgl/1.0.0-RC1/elemental2-webgl-1.0.0-RC1.jar)
  media | [elemental2-media.jar](https://oss.sonatype.org/content/repositories/releases/com/google/elemental2/elemental2-media/1.0.0-RC1/elemental2-media-1.0.0-RC1.jar)
  webstorage | [elemental2-webstorage.jar](https://oss.sonatype.org/content/repositories/releases/com/google/elemental2/elemental2-webstorage/1.0.0-RC1/elemental2-webstorage-1.0.0-RC1.jar)
+ chrome | [elemental2-chrome.jar](https://oss.sonatype.org/content/repositories/releases/com/google/elemental2/elemental2-webstorage/1.0.0-RC1/elemental2-chrome-1.0.0-RC1.jar)
 
 GWT
 ---
@@ -106,6 +109,7 @@ If you use Elemental2 with [GWT](http://www.gwtproject.org/), you need to inheri
  webgl | `elemental2.webgl.WebGl`
  media | `elemental2.media.Media`
  webstorage | `elemental2.webstorage.WebStorage`
+ chrome | `elemental2.chrome.Chrome`
 
 Contributing
 ------------

java/elemental2/chrome/BUILD

@@ -0,0 +1,39 @@
+# This package contains the build rule to build elemental2-chrome.
+
+package(default_visibility = [
+    "//:__subpackages__",
+])
+
+# Apache2
+licenses(["notice"])
+
+load(
+    "@com_google_jsinterop_generator//:jsinterop_generator.bzl",
+    "jsinterop_generator",
+)
+
+load(
+    "//build_defs/internal_do_not_use:elemental_utils.bzl",
+    "patch_extern_file",
+)
+
+patch_extern_file(
+    name = "chrome_patched",
+    src = "//third_party:chrome.js",
+    patch_file = "chrome.js.diff",
+)
+
+filegroup(
+    name = "externs",
+    srcs = [":chrome_patched"],
+)
+
+jsinterop_generator(
+    name = "chrome",
+    srcs = [":externs"],
+    integer_entities_files = ["integer_entities.txt"],
+    name_mapping_files = ["name_mappings.txt"],
+    deps = [
+        "//java/elemental2/core",
+        "//java/elemental2/dom",
+    ])

java/elemental2/chrome/chrome.js.diff

@@ -0,0 +1,36 @@
+295c295
+<  * @extends {ChromeBaseEvent<function()>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+303c303
+<  * @extends {ChromeBaseEvent<function(string)>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+311c311
+<  * @extends {ChromeBaseEvent<function(boolean)>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+319c319
+<  * @extends {ChromeBaseEvent<function(number)>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+327c327
+<  * @extends {ChromeBaseEvent<function(!Object)>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+335c335
+<  * @extends {ChromeBaseEvent<function(!Array<string>)>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+343c343
+<  * @extends {ChromeBaseEvent<function(string, string)>}
+---
+>  * @extends {ChromeBaseEvent<!Function>}
+380,382c380,382
+<   USER: '',
+<   CAPTURE: '',
+<   EXTENSION: '',
+---
+>     USER: '',
+>     CAPTURE: '',
+>     EXTENSION: '',

java/elemental2/chrome/integer_entities.txt

@@ -0,0 +1,7 @@
+elemental2.chrome.MessageSender.frameId
+elemental2.chrome.Tab.id
+elemental2.chrome.Tab.index
+elemental2.chrome.Tab.windowId
+elemental2.chrome.Tab.openerTabId
+elemental2.chrome.Tab.width
+elemental2.chrome.Tab.height

java/elemental2/chrome/name_mappings.txt

@@ -0,0 +1 @@
+elemental2.chrome.chrome.Runtime.SendMessageCallbackFn.onInvoke.p0=response

third_party/BUILD

@@ -258,3 +258,13 @@ alias(
     name = "jsinterop-base-j2cl",
     actual = "@com_google_jsinterop_base//:jsinterop-base-j2cl",
 )
+
+alias(
+    name = "chrome.js",
+    actual = "@com_google_closure_compiler//:contrib/externs/chrome.js",
+)
+
+alias(
+    name = "chrome_extensions.js",
+    actual = "@com_google_closure_compiler//:contrib/externs/chrome_extensions.js",
+)