94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/message_loop/message_pump.h"
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#include "base/message_loop/message_pump_default.h"
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#include "base/message_loop/message_pump_for_io.h"
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#include "base/message_loop/message_pump_for_ui.h"
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#if defined(OS_MACOSX)
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#include "base/message_loop/message_pump_mac.h"
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#endif
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namespace base {
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namespace {
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MessagePump::MessagePumpFactory* message_pump_for_ui_factory_ = nullptr;
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} // namespace
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MessagePump::MessagePump() = default;
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MessagePump::~MessagePump() = default;
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void MessagePump::SetTimerSlack(TimerSlack) {
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}
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// static
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void MessagePump::OverrideMessagePumpForUIFactory(MessagePumpFactory* factory) {
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DCHECK(!message_pump_for_ui_factory_);
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message_pump_for_ui_factory_ = factory;
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}
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// static
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bool MessagePump::IsMessagePumpForUIFactoryOveridden() {
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return message_pump_for_ui_factory_ != nullptr;
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}
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// static
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std::unique_ptr<MessagePump> MessagePump::Create(MessagePumpType type) {
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switch (type) {
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case MessagePumpType::UI:
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if (message_pump_for_ui_factory_)
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return message_pump_for_ui_factory_();
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#if defined(OS_IOS) || defined(OS_MACOSX)
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return MessagePumpMac::Create();
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#elif defined(OS_NACL) || defined(OS_AIX)
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// Currently NaCl and AIX don't have a UI MessagePump.
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// TODO(abarth): Figure out if we need this.
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NOTREACHED();
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return nullptr;
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#else
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return std::make_unique<MessagePumpForUI>();
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#endif
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case MessagePumpType::IO:
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return std::make_unique<MessagePumpForIO>();
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#if defined(OS_ANDROID)
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case MessagePumpType::JAVA:
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return std::make_unique<MessagePumpForUI>();
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#endif
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#if defined(OS_MACOSX)
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case MessagePumpType::NS_RUNLOOP:
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return std::make_unique<MessagePumpNSRunLoop>();
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#endif
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#if defined(OS_WIN)
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case MessagePumpType::UI_WITH_WM_QUIT_SUPPORT: {
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auto pump = std::make_unique<MessagePumpForUI>();
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pump->EnableWmQuit();
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return pump;
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}
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#endif // defined(OS_WIN)
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case MessagePumpType::CUSTOM:
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NOTREACHED();
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return nullptr;
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case MessagePumpType::DEFAULT:
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#if defined(OS_IOS)
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// On iOS, a native runloop is always required to pump system work.
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return std::make_unique<MessagePumpCFRunLoop>();
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#else
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return std::make_unique<MessagePumpDefault>();
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#endif
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}
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}
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} // namespace base
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