1 // Copyright 2024 The Chromium Authors 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 "base/android/memory_purge_manager_android.h" 6 7 #include "base/android/build_info.h" 8 #include "base/android/pre_freeze_background_memory_trimmer.h" 9 #include "base/base_jni/MemoryPurgeManager_jni.h" 10 #include "base/functional/bind.h" 11 #include "third_party/jni_zero/jni_zero.h" 12 JNI_MemoryPurgeManager_PostDelayedPurgeTaskOnUiThread(JNIEnv * env,jlong delay)13static void JNI_MemoryPurgeManager_PostDelayedPurgeTaskOnUiThread(JNIEnv* env, 14 jlong delay) { 15 auto task_runner = base::SequencedTaskRunner::GetCurrentDefault(); 16 base::android::PreFreezeBackgroundMemoryTrimmer::PostDelayedBackgroundTask( 17 task_runner, FROM_HERE, 18 base::BindOnce([](base::MemoryReductionTaskContext task_type) { 19 const bool called_from_pre_freeze = 20 task_type == base::MemoryReductionTaskContext::kProactive; 21 Java_MemoryPurgeManager_doDelayedPurge(jni_zero::AttachCurrentThread(), 22 called_from_pre_freeze); 23 }), 24 base::Milliseconds(static_cast<long>(delay))); 25 } 26 JNI_MemoryPurgeManager_IsOnPreFreezeMemoryTrimEnabled(JNIEnv * env)27static jboolean JNI_MemoryPurgeManager_IsOnPreFreezeMemoryTrimEnabled( 28 JNIEnv* env) { 29 return base::android::PreFreezeBackgroundMemoryTrimmer::ShouldUseModernTrim(); 30 } 31