chrome/renderer/extensions/automation_internal_custom_bindings.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/renderer/extensions/automation_internal_custom_bindings.h"
   6
   7 #include "base/bind.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/values.h"
  10 #include "chrome/common/extensions/manifest_handlers/automation.h"
  11 #include "content/public/renderer/v8_value_converter.h"
  12 #include "extensions/common/extension.h"
  13 #include "extensions/common/manifest.h"
  14 #include "extensions/renderer/script_context.h"
  15 #include "ui/accessibility/ax_enums.h"
  16
  17 namespace {
  18
  19 // Helper to convert an enum to a V8 object.
  20 template <typename EnumType>
  21 v8::Local<v8::Object> ToEnumObject(v8::Isolate* isolate,
  22                                    EnumType start_after,
  23                                    EnumType end_at) {
  24   v8::Local<v8::Object> object = v8::Object::New(isolate);
  25   for (int i = start_after + 1; i <= end_at; ++i) {
  26     v8::Local<v8::String> value = v8::String::NewFromUtf8(
  27         isolate, ui::ToString(static_cast<EnumType>(i)).c_str());
  28     object->Set(value, value);
  29   }
  30   return object;
  31 }
  32
  33 }  // namespace
  34
  35 namespace extensions {
  36
  37 AutomationInternalCustomBindings::AutomationInternalCustomBindings(
  38     ScriptContext* context) : ObjectBackedNativeHandler(context) {
  39   RouteFunction(
  40       "IsInteractPermitted",
  41       base::Bind(&AutomationInternalCustomBindings::IsInteractPermitted,
  42                  base::Unretained(this)));
  43   RouteFunction(
  44       "GetSchemaAdditions",
  45       base::Bind(&AutomationInternalCustomBindings::GetSchemaAdditions,
  46                  base::Unretained(this)));
  47 }
  48
  49 AutomationInternalCustomBindings::~AutomationInternalCustomBindings() {
  50 }
  51
  52 void AutomationInternalCustomBindings::IsInteractPermitted(
  53     const v8::FunctionCallbackInfo<v8::Value>& args) {
  54   const Extension* extension = context()->extension();
  55   CHECK(extension);
  56   const AutomationInfo* automation_info = AutomationInfo::Get(extension);
  57   CHECK(automation_info);
  58   args.GetReturnValue().Set(
  59       v8::Boolean::New(GetIsolate(), automation_info->interact));
  60 }
  61
  62 void AutomationInternalCustomBindings::GetSchemaAdditions(
  63     const v8::FunctionCallbackInfo<v8::Value>& args) {
  64   v8::Local<v8::Object> additions = v8::Object::New(GetIsolate());
  65
  66   additions->Set(
  67       v8::String::NewFromUtf8(GetIsolate(), "EventType"),
  68       ToEnumObject(GetIsolate(), ui::AX_EVENT_NONE, ui::AX_EVENT_LAST));
  69
  70   additions->Set(
  71       v8::String::NewFromUtf8(GetIsolate(), "RoleType"),
  72       ToEnumObject(GetIsolate(), ui::AX_ROLE_NONE, ui::AX_ROLE_LAST));
  73
  74   additions->Set(
  75       v8::String::NewFromUtf8(GetIsolate(), "StateType"),
  76       ToEnumObject(GetIsolate(), ui::AX_STATE_NONE, ui::AX_STATE_LAST));
  77
  78   args.GetReturnValue().Set(additions);
  79 }
  80
  81 }  // namespace extensions