Add PowerSaveBlocker APIs.

atom/browser/api/atom_api_power_save_blocker.cc

@@ -0,0 +1,94 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/atom_api_power_save_blocker.h"
+
+#include "content/public/browser/power_save_blocker.h"
+#include "native_mate/constructor.h"
+#include "native_mate/dictionary.h"
+
+#include "atom/common/node_includes.h"
+
+namespace mate {
+
+template<>
+struct Converter<content::PowerSaveBlocker::PowerSaveBlockerType> {
+  static bool FromV8(v8::Isolate* isolate,
+                     v8::Local<v8::Value> val,
+                     content::PowerSaveBlocker::PowerSaveBlockerType* out) {
+    using content::PowerSaveBlocker;
+    int type;
+    if (!ConvertFromV8(isolate, val, &type))
+      return false;
+    switch (static_cast<PowerSaveBlocker::PowerSaveBlockerType>(type)) {
+      case PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension:
+        *out = PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension;
+        break;
+      case PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep:
+        *out = PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep;
+        break;
+      default:
+        return false;
+    }
+    return true;
+  }
+};
+
+}  // namespace mate
+
+namespace atom {
+
+namespace api {
+
+PowerSaveBlocker::PowerSaveBlocker() {
+}
+
+PowerSaveBlocker::~PowerSaveBlocker() {
+}
+
+void PowerSaveBlocker::Start(
+    content::PowerSaveBlocker::PowerSaveBlockerType type) {
+  power_save_blocker_ = content::PowerSaveBlocker::Create(
+      type,
+      content::PowerSaveBlocker::kReasonOther,
+      "Users required");
+}
+
+void PowerSaveBlocker::Stop() {
+  power_save_blocker_.reset();
+}
+
+bool PowerSaveBlocker::IsStarted() {
+  return power_save_blocker_.get() != NULL;
+}
+
+mate::ObjectTemplateBuilder PowerSaveBlocker::GetObjectTemplateBuilder(
+    v8::Isolate* isolate) {
+  return mate::ObjectTemplateBuilder(isolate)
+      .SetMethod("start", &PowerSaveBlocker::Start)
+      .SetMethod("stop", &PowerSaveBlocker::Stop);
+      .SetMethod("isStarted", &PowerSaveBlocker::IsStarted)
+}
+
+// static
+mate::Handle<PowerSaveBlocker> PowerSaveBlocker::Create(v8::Isolate* isolate) {
+  return CreateHandle(isolate, new PowerSaveBlocker);
+}
+
+}  // namespace api
+
+}  // namespace atom
+
+namespace {
+
+void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
+                v8::Local<v8::Context> context, void* priv) {
+  v8::Isolate* isolate = context->GetIsolate();
+  mate::Dictionary dict(isolate, exports);
+  dict.Set("powerSaveBlocker", atom::api::PowerSaveBlocker::Create(isolate));
+}
+
+}  // namespace
+
+NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_browser_power_save_blocker, Initialize);