Forward accessibility events to the automation extension process.

chrome/renderer/extensions/automation_internal_custom_bindings.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/automation_internal_custom_bindings.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
+#include "chrome/common/extensions/chrome_extension_messages.h"
 #include "chrome/common/extensions/manifest_handlers/automation.h"
 #include "content/public/child/v8_value_converter.h"
+#include "content/public/renderer/render_frame.h"
+#include "content/public/renderer/render_view.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest.h"
 #include "extensions/renderer/script_context.h"
 #include "ui/accessibility/ax_enums.h"
+#include "ui/accessibility/ax_node.h"
 
 namespace {
 
 // Helper to convert an enum to a V8 object.
 template <typename EnumType>
 v8::Local<v8::Object> ToEnumObject(v8::Isolate* isolate,
                                    EnumType start_after,
                                    EnumType end_at) {
   v8::Local<v8::Object> object = v8::Object::New(isolate);
   for (int i = start_after + 1; i <= end_at; ++i) {
@@ skipping 16 matching lines @@
                  base::Unretained(this)));
   RouteFunction(
       "GetSchemaAdditions",
       base::Bind(&AutomationInternalCustomBindings::GetSchemaAdditions,
                  base::Unretained(this)));
 }
 
 AutomationInternalCustomBindings::~AutomationInternalCustomBindings() {
 }
 
+bool AutomationInternalCustomBindings::OnMessageReceived(
+    const IPC::Message& message) {
+  IPC_BEGIN_MESSAGE_MAP(AutomationInternalCustomBindings, message)
+    IPC_MESSAGE_HANDLER(ExtensionMsg_AccessibilityEvent,
+                        OnAccessibilityEvent)
+    IPC_MESSAGE_UNHANDLED(CHECK(false) << "Unhandled IPC message")

[not at google - send to devlin, 2015/06/02 23:59:25]

How does this work out?

(btw, personally I prefer LOG(FATAL) because CHECK(false) always seemed like an
oxymoron, but, that's just me :)

[dmazzoni, 2015/06/04 20:07:39]

Moot now that this is a MessageFilter.

+  IPC_END_MESSAGE_MAP()
+  return true;
+}
+
 void AutomationInternalCustomBindings::IsInteractPermitted(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   const Extension* extension = context()->extension();
   CHECK(extension);
   const AutomationInfo* automation_info = AutomationInfo::Get(extension);
   CHECK(automation_info);
   args.GetReturnValue().Set(
       v8::Boolean::New(GetIsolate(), automation_info->interact));
 }
 
@@ skipping 13 matching lines @@
       v8::String::NewFromUtf8(GetIsolate(), "StateType"),
       ToEnumObject(GetIsolate(), ui::AX_STATE_NONE, ui::AX_STATE_LAST));
 
   additions->Set(
       v8::String::NewFromUtf8(GetIsolate(), "TreeChangeType"),
       ToEnumObject(GetIsolate(), ui::AX_MUTATION_NONE, ui::AX_MUTATION_LAST));
 
   args.GetReturnValue().Set(additions);
 }
 
+void AutomationInternalCustomBindings::OnAccessibilityEvent(
+    const ExtensionMsg_AccessibilityEventParams& params) {
+  // TODO(dmazzoni): finish implementing this.
+}
+
 }  // namespace extensions