Repo created

TMessagesProj/jni/voip/webrtc/base/message_loop/message_pump.cc

@@ -0,0 +1,93 @@
+// Copyright (c) 2010 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 "base/message_loop/message_pump.h"
+
+#include "base/message_loop/message_pump_default.h"
+#include "base/message_loop/message_pump_for_io.h"
+#include "base/message_loop/message_pump_for_ui.h"
+
+#if defined(OS_MACOSX)
+#include "base/message_loop/message_pump_mac.h"
+#endif
+
+namespace base {
+
+namespace {
+
+MessagePump::MessagePumpFactory* message_pump_for_ui_factory_ = nullptr;
+
+}  // namespace
+
+MessagePump::MessagePump() = default;
+
+MessagePump::~MessagePump() = default;
+
+void MessagePump::SetTimerSlack(TimerSlack) {
+}
+
+// static
+void MessagePump::OverrideMessagePumpForUIFactory(MessagePumpFactory* factory) {
+  DCHECK(!message_pump_for_ui_factory_);
+  message_pump_for_ui_factory_ = factory;
+}
+
+// static
+bool MessagePump::IsMessagePumpForUIFactoryOveridden() {
+  return message_pump_for_ui_factory_ != nullptr;
+}
+
+// static
+std::unique_ptr<MessagePump> MessagePump::Create(MessagePumpType type) {
+  switch (type) {
+    case MessagePumpType::UI:
+      if (message_pump_for_ui_factory_)
+        return message_pump_for_ui_factory_();
+#if defined(OS_IOS) || defined(OS_MACOSX)
+      return MessagePumpMac::Create();
+#elif defined(OS_NACL) || defined(OS_AIX)
+      // Currently NaCl and AIX don't have a UI MessagePump.
+      // TODO(abarth): Figure out if we need this.
+      NOTREACHED();
+      return nullptr;
+#else
+      return std::make_unique<MessagePumpForUI>();
+#endif
+
+    case MessagePumpType::IO:
+      return std::make_unique<MessagePumpForIO>();
+
+#if defined(OS_ANDROID)
+    case MessagePumpType::JAVA:
+      return std::make_unique<MessagePumpForUI>();
+#endif
+
+#if defined(OS_MACOSX)
+    case MessagePumpType::NS_RUNLOOP:
+      return std::make_unique<MessagePumpNSRunLoop>();
+#endif
+
+#if defined(OS_WIN)
+    case MessagePumpType::UI_WITH_WM_QUIT_SUPPORT: {
+      auto pump = std::make_unique<MessagePumpForUI>();
+      pump->EnableWmQuit();
+      return pump;
+    }
+#endif  // defined(OS_WIN)
+
+    case MessagePumpType::CUSTOM:
+      NOTREACHED();
+      return nullptr;
+
+    case MessagePumpType::DEFAULT:
+#if defined(OS_IOS)
+      // On iOS, a native runloop is always required to pump system work.
+      return std::make_unique<MessagePumpCFRunLoop>();
+#else
+      return std::make_unique<MessagePumpDefault>();
+#endif
+  }
+}
+
+}  // namespace base