blob: d09fdde789f7a6b48dcb8f1eb2fc47f203529c40 [file] [log] [blame]
// Copyright (c) 2012 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 <jni.h>
#include <memory>
#include "base/android/scoped_java_ref.h"
#include "base/base_export.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/message_loop/message_pump.h"
#include "base/time/time.h"
namespace base {
class RunLoop;
// This class implements a MessagePump needed for TYPE_UI MessageLoops on
// OS_ANDROID platform.
class BASE_EXPORT MessagePumpForUI : public MessagePump {
~MessagePumpForUI() override;
void DoIdleWork(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
void DoRunLoopOnce(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jboolean delayed);
void Run(Delegate* delegate) override;
void Quit() override;
void ScheduleWork() override;
void ScheduleDelayedWork(const TimeTicks& delayed_work_time) override;
virtual void Start(Delegate* delegate);
// We call Abort when there is a pending JNI exception, meaning that the
// current thread will crash when we return to Java.
// We can't call any JNI-methods before returning to Java as we would then
// cause a native crash (instead of the original Java crash).
void Abort() { should_abort_ = true; }
bool ShouldAbort() const { return should_abort_; }
std::unique_ptr<RunLoop> run_loop_;
base::android::ScopedJavaGlobalRef<jobject> system_message_handler_obj_;
bool should_abort_ = false;
bool quit_ = false;
Delegate* delegate_ = nullptr;
base::TimeTicks delayed_scheduled_time_;
} // namespace base