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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cpu-features.h>
#include "base/android/jni_array.h"
#include "base/android/library_loader/library_loader_hooks.h"
#include "base/android/memory_pressure_listener_android.h"
#include "base/android/unguessable_token_android.h"
#include "base/check.h"
#include "base/command_line.h"
#include "base/lazy_instance.h"
#include "base/unguessable_token.h"
#include "components/input/android/input_token_forwarder.h"
#include "content/child/child_thread_impl.h"
#include "content/common/android/surface_wrapper.h"
#include "content/common/shared_file_util.h"
#include "content/public/common/content_descriptors.h"
#include "content/public/common/content_switches.h"
#include "gpu/command_buffer/service/texture_owner.h"
#include "gpu/ipc/common/gpu_surface_lookup.h"
#include "ui/gl/android/scoped_java_surface.h"
#include "ui/gl/android/scoped_java_surface_control.h"
#include "ui/gl/android/surface_texture.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "content/public/android/content_app_jni/ContentChildProcessServiceDelegate_jni.h"
using base::android::AttachCurrentThread;
using base::android::JavaParamRef;
namespace content {
namespace {
// TODO(sievers): Use two different implementations of this depending on if
// we're in a renderer or gpu process.
class ChildProcessSurfaceManager : public gpu::GpuSurfaceLookup,
public input::InputTokenForwarder {
public:
ChildProcessSurfaceManager() {}
ChildProcessSurfaceManager(const ChildProcessSurfaceManager&) = delete;
ChildProcessSurfaceManager& operator=(const ChildProcessSurfaceManager&) =
delete;
~ChildProcessSurfaceManager() override {}
// |service_impl| is the instance of
// org.chromium.content.app.ChildProcessService.
void SetServiceImpl(const base::android::JavaRef<jobject>& service_impl) {
service_impl_.Reset(service_impl);
}
// Overridden from GpuSurfaceLookup:
gpu::SurfaceRecord AcquireJavaSurface(int surface_id) override {
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaLocalRef<jobject> surface_wrapper =
content::Java_ContentChildProcessServiceDelegate_getViewSurface(
env, service_impl_, surface_id);
if (!surface_wrapper)
return gpu::SurfaceRecord(gl::ScopedJavaSurface(),
/*can_be_used_with_surface_control=*/false);
bool can_be_used_with_surface_control =
JNI_SurfaceWrapper_canBeUsedWithSurfaceControl(env, surface_wrapper);
bool wraps_surface =
JNI_SurfaceWrapper_getWrapsSurface(env, surface_wrapper);
if (wraps_surface) {
gl::ScopedJavaSurface surface(
content::JNI_SurfaceWrapper_takeSurface(env, surface_wrapper),
/*auto_release=*/true);
DCHECK(!surface.j_surface().is_null());
return gpu::SurfaceRecord(
std::move(surface), can_be_used_with_surface_control,
content::JNI_SurfaceWrapper_getBrowserInputToken(env,
surface_wrapper));
} else {
gl::ScopedJavaSurfaceControl surface_control(
JNI_SurfaceWrapper_takeSurfaceControl(env, surface_wrapper),
/*release_on_destroy=*/true);
return gpu::SurfaceRecord(std::move(surface_control));
}
}
// input::InputTokenForwarder overrides.
void ForwardVizInputTransferToken(
int surface_id,
base::android::ScopedJavaGlobalRef<jobject> viz_input_token) override {
JNIEnv* env = base::android::AttachCurrentThread();
content::Java_ContentChildProcessServiceDelegate_forwardInputTransferToken(
env, service_impl_, surface_id, viz_input_token);
}
private:
friend struct base::LazyInstanceTraitsBase<ChildProcessSurfaceManager>;
// The instance of org.chromium.content.app.ChildProcessService.
base::android::ScopedJavaGlobalRef<jobject> service_impl_;
};
base::LazyInstance<ChildProcessSurfaceManager>::Leaky
g_child_process_surface_manager = LAZY_INSTANCE_INITIALIZER;
// Chrome actually uses the renderer code path for all of its child
// processes such as renderers, plugins, etc.
void JNI_ContentChildProcessServiceDelegate_InternalInitChildProcess(
JNIEnv* env,
const JavaParamRef<jobject>& service_impl,
jint cpu_count,
jlong cpu_features) {
// Set the CPU properties.
android_setCpu(cpu_count, cpu_features);
g_child_process_surface_manager.Get().SetServiceImpl(service_impl);
gpu::GpuSurfaceLookup::InitInstance(
g_child_process_surface_manager.Pointer());
input::InputTokenForwarder::SetInstance(
g_child_process_surface_manager.Pointer());
}
} // namespace
void JNI_ContentChildProcessServiceDelegate_InitChildProcess(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jint cpu_count,
jlong cpu_features) {
JNI_ContentChildProcessServiceDelegate_InternalInitChildProcess(
env, obj, cpu_count, cpu_features);
}
void JNI_ContentChildProcessServiceDelegate_InitMemoryPressureListener(
JNIEnv* env) {
base::android::MemoryPressureListenerAndroid::Initialize(env);
}
void JNI_ContentChildProcessServiceDelegate_RetrieveFileDescriptorsIdsToKeys(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
std::map<int, std::string> ids_to_keys;
std::string file_switch_value =
base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kSharedFiles);
std::vector<int> ids;
std::vector<std::string> keys;
if (!file_switch_value.empty()) {
std::optional<std::map<int, std::string>> ids_to_keys_from_command_line =
ParseSharedFileSwitchValue(file_switch_value);
if (ids_to_keys_from_command_line) {
for (auto iter : *ids_to_keys_from_command_line) {
ids.push_back(iter.first);
keys.push_back(iter.second);
}
}
}
Java_ContentChildProcessServiceDelegate_setFileDescriptorsIdsToKeys(
env, obj, base::android::ToJavaIntArray(env, ids),
base::android::ToJavaArrayOfStrings(env, keys));
}
} // namespace content
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