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Ladybird/Android: Move JNI functions into their own files

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This should be easier to work on, and keeps the layers of the native
code nice and clean cut.
This commit is contained in:
Andrew Kaster 2023-09-15 12:35:20 -06:00 committed by Andrew Kaster
parent 274fd88242
commit 315ad2d391
Notes: sideshowbarker 2024-07-17 21:16:31 +09:00 
Author: https://github.com/ADKaster
Commit: https://github.com/SerenityOS/serenity/commit/315ad2d391
Pull-request: https://github.com/SerenityOS/serenity/pull/21100
8 changed files with 256 additions and 210 deletions
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33
Ladybird/Android/src/main/cpp/WebContentService.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WebContentService.h"
#include <AK/LexicalPath.h>
#include <Ladybird/FontPlugin.h>
#include <Ladybird/HelperProcess.h>
@ -26,8 +27,6 @@
#include <LibWebView/WebSocketClientAdapter.h>
#include <WebContent/ConnectionFromClient.h>
#include <WebContent/PageHost.h>
#include <jni.h>
#include <unistd.h>
class NullResourceConnector : public Web::ResourceLoaderConnector {
virtual void prefetch_dns(AK::URL const&) override { }
@ -72,33 +71,3 @@ ErrorOr<int> web_content_main(int ipc_socket, int fd_passing_socket)
return event_loop.exec();
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebContentService_nativeThreadLoop(JNIEnv*, jobject /* thiz */, jint ipc_socket, jint fd_passing_socket)
{
dbgln("New binding received, sockets {} and {}", ipc_socket, fd_passing_socket);
auto ret = web_content_main(ipc_socket, fd_passing_socket);
if (ret.is_error()) {
warnln("Runtime Error: {}", ret.release_error());
} else {
outln("Thread exited with code {}", ret.release_value());
}
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebContentService_initNativeCode(JNIEnv* env, jobject /* thiz */, jstring resource_dir, jstring tag_name)
{
static Atomic<bool> s_initialized_flag { false };
if (s_initialized_flag.exchange(true) == true) {
// Skip initializing if someone else already started the process at some point in the past
return;
}
char const* raw_resource_dir = env->GetStringUTFChars(resource_dir, nullptr);
s_serenity_resource_root = raw_resource_dir;
env->ReleaseStringUTFChars(resource_dir, raw_resource_dir);
char const* raw_tag_name = env->GetStringUTFChars(tag_name, nullptr);
AK::set_log_tag_name(raw_tag_name);
env->ReleaseStringUTFChars(tag_name, raw_tag_name);
}

11
Ladybird/Android/src/main/cpp/WebContentService.h Normal file
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@ -0,0 +1,11 @@
/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Error.h>
ErrorOr<int> web_content_main(int ipc_socket, int fd_passing_socket);

41
Ladybird/Android/src/main/cpp/WebContentServiceJNI.cpp Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WebContentService.h"
#include <AK/Atomic.h>
#include <AK/Format.h>
#include <Ladybird/Utilities.h>
#include <jni.h>
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebContentService_nativeThreadLoop(JNIEnv*, jobject /* thiz */, jint ipc_socket, jint fd_passing_socket)
{
dbgln("New binding received, sockets {} and {}", ipc_socket, fd_passing_socket);
auto ret = web_content_main(ipc_socket, fd_passing_socket);
if (ret.is_error()) {
warnln("Runtime Error: {}", ret.release_error());
} else {
outln("Thread exited with code {}", ret.release_value());
}
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebContentService_initNativeCode(JNIEnv* env, jobject /* thiz */, jstring resource_dir, jstring tag_name)
{
static Atomic<bool> s_initialized_flag { false };
if (s_initialized_flag.exchange(true) == true) {
// Skip initializing if someone else already started the process at some point in the past
return;
}
char const* raw_resource_dir = env->GetStringUTFChars(resource_dir, nullptr);
s_serenity_resource_root = raw_resource_dir;
env->ReleaseStringUTFChars(resource_dir, raw_resource_dir);
char const* raw_tag_name = env->GetStringUTFChars(tag_name, nullptr);
AK::set_log_tag_name(raw_tag_name);
env->ReleaseStringUTFChars(tag_name, raw_tag_name);
}

236
Ladybird/Android/src/main/cpp/WebViewImplementationNative.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WebViewImplementationNative.h"
#include "JNIHelpers.h"
#include <Userland/Libraries/LibGfx/Bitmap.h>
#include <Userland/Libraries/LibGfx/Painter.h>
@ -12,9 +13,8 @@
#include <android/bitmap.h>
#include <jni.h>
namespace {
Gfx::BitmapFormat to_gfx_bitmap_format(i32 f)
namespace Ladybird {
static Gfx::BitmapFormat to_gfx_bitmap_format(i32 f)
{
switch (f) {
case ANDROID_BITMAP_FORMAT_RGBA_8888:
@ -24,109 +24,82 @@ Gfx::BitmapFormat to_gfx_bitmap_format(i32 f)
}
}
class WebViewImplementationNative : public WebView::ViewImplementation {
public:
WebViewImplementationNative(jobject thiz)
: m_java_instance(thiz)
{
// NOTE: m_java_instance's global ref is controlled by the JNI bindings
create_client(WebView::EnableCallgrindProfiling::No);
WebViewImplementationNative::WebViewImplementationNative(jobject thiz)
: m_java_instance(thiz)
{
// NOTE: m_java_instance's global ref is controlled by the JNI bindings
create_client(WebView::EnableCallgrindProfiling::No);
on_ready_to_paint = [this]() {
JavaEnvironment env(global_vm);
env.get()->CallVoidMethod(m_java_instance, invalidate_layout_method);
};
}
on_ready_to_paint = [this]() {
JavaEnvironment env(global_vm);
env.get()->CallVoidMethod(m_java_instance, invalidate_layout_method);
};
}
virtual Gfx::IntRect viewport_rect() const override { return m_viewport_rect; }
virtual Gfx::IntPoint to_content_position(Gfx::IntPoint p) const override { return p; }
virtual Gfx::IntPoint to_widget_position(Gfx::IntPoint p) const override { return p; }
virtual void update_zoom() override { }
void WebViewImplementationNative::create_client(WebView::EnableCallgrindProfiling)
{
m_client_state = {};
NonnullRefPtr<WebView::WebContentClient> bind_web_content_client();
auto new_client = bind_web_content_client();
virtual void create_client(WebView::EnableCallgrindProfiling) override
{
m_client_state = {};
m_client_state.client = new_client;
m_client_state.client->on_web_content_process_crash = [] {
warnln("WebContent crashed!");
// FIXME: launch a new client
};
auto new_client = bind_web_content_client();
m_client_state.client_handle = MUST(Web::Crypto::generate_random_uuid());
client().async_set_window_handle(m_client_state.client_handle);
m_client_state.client = new_client;
m_client_state.client->on_web_content_process_crash = [] {
warnln("WebContent crashed!");
// FIXME: launch a new client
};
client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio);
m_client_state.client_handle = MUST(Web::Crypto::generate_random_uuid());
client().async_set_window_handle(m_client_state.client_handle);
// FIXME: update_palette, update system fonts
}
client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio);
void WebViewImplementationNative::paint_into_bitmap(void* android_bitmap_raw, AndroidBitmapInfo const& info)
{
// Software bitmaps only for now!
VERIFY((info.flags & ANDROID_BITMAP_FLAGS_IS_HARDWARE) == 0);
// FIXME: update_palette, update system fonts
}
auto android_bitmap = MUST(Gfx::Bitmap::create_wrapper(to_gfx_bitmap_format(info.format), { info.width, info.height }, 1, info.stride, android_bitmap_raw));
Gfx::Painter painter(android_bitmap);
if (auto* bitmap = m_client_state.has_usable_bitmap ? m_client_state.front_bitmap.bitmap.ptr() : m_backup_bitmap.ptr())
painter.blit({ 0, 0 }, *bitmap, bitmap->rect());
else
painter.clear_rect(painter.clip_rect(), Gfx::Color::Magenta);
void paint_into_bitmap(void* android_bitmap_raw, AndroidBitmapInfo const& info)
{
// Software bitmaps only for now!
VERIFY((info.flags & ANDROID_BITMAP_FLAGS_IS_HARDWARE) == 0);
auto android_bitmap = MUST(Gfx::Bitmap::create_wrapper(to_gfx_bitmap_format(info.format), { info.width, info.height }, 1, info.stride, android_bitmap_raw));
Gfx::Painter painter(android_bitmap);
if (auto* bitmap = m_client_state.has_usable_bitmap ? m_client_state.front_bitmap.bitmap.ptr() : m_backup_bitmap.ptr())
painter.blit({ 0, 0 }, *bitmap, bitmap->rect());
else
painter.clear_rect(painter.clip_rect(), Gfx::Color::Magenta);
// Convert our internal BGRA into RGBA. This will be slowwwwwww
// FIXME: Don't do a color format swap here.
for (auto y = 0; y < android_bitmap->height(); ++y) {
auto* scanline = android_bitmap->scanline(y);
for (auto x = 0; x < android_bitmap->width(); ++x) {
auto current_pixel = scanline[x];
u32 alpha = (current_pixel & 0xFF000000U) >> 24;
u32 red = (current_pixel & 0x00FF0000U) >> 16;
u32 green = (current_pixel & 0x0000FF00U) >> 8;
u32 blue = (current_pixel & 0x000000FFU);
scanline[x] = (alpha << 24U) | (blue << 16U) | (green << 8U) | red;
}
// Convert our internal BGRA into RGBA. This will be slowwwwwww
// FIXME: Don't do a color format swap here.
for (auto y = 0; y < android_bitmap->height(); ++y) {
auto* scanline = android_bitmap->scanline(y);
for (auto x = 0; x < android_bitmap->width(); ++x) {
auto current_pixel = scanline[x];
u32 alpha = (current_pixel & 0xFF000000U) >> 24;
u32 red = (current_pixel & 0x00FF0000U) >> 16;
u32 green = (current_pixel & 0x0000FF00U) >> 8;
u32 blue = (current_pixel & 0x000000FFU);
scanline[x] = (alpha << 24U) | (blue << 16U) | (green << 8U) | red;
}
}
}
void set_viewport_geometry(int w, int h)
{
m_viewport_rect = { { 0, 0 }, { w, h } };
client().async_set_viewport_rect(m_viewport_rect);
request_repaint();
handle_resize();
}
void WebViewImplementationNative::set_viewport_geometry(int w, int h)
{
m_viewport_rect = { { 0, 0 }, { w, h } };
client().async_set_viewport_rect(m_viewport_rect);
request_repaint();
handle_resize();
}
void set_device_pixel_ratio(float f)
{
m_device_pixel_ratio = f;
client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio);
}
static jclass global_class_reference;
static jfieldID instance_pointer_field;
static jmethodID bind_webcontent_method;
static jmethodID invalidate_layout_method;
static JavaVM* global_vm;
jobject java_instance() const { return m_java_instance; }
private:
jobject m_java_instance = nullptr;
Gfx::IntRect m_viewport_rect;
};
jclass WebViewImplementationNative::global_class_reference;
jfieldID WebViewImplementationNative::instance_pointer_field;
jmethodID WebViewImplementationNative::bind_webcontent_method;
jmethodID WebViewImplementationNative::invalidate_layout_method;
JavaVM* WebViewImplementationNative::global_vm;
void WebViewImplementationNative::set_device_pixel_ratio(float f)
{
m_device_pixel_ratio = f;
client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio);
}
NonnullRefPtr<WebView::WebContentClient> WebViewImplementationNative::bind_web_content_client()
{
JavaEnvironment env(WebViewImplementationNative::global_vm);
JavaEnvironment env(global_vm);
int socket_fds[2] {};
MUST(Core::System::socketpair(AF_LOCAL, SOCK_STREAM, 0, socket_fds));
@ -151,89 +124,4 @@ NonnullRefPtr<WebView::WebContentClient> WebViewImplementationNative::bind_web_c
return new_client;
}
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_00024Companion_nativeClassInit(JNIEnv* env, jobject /* thiz */)
{
auto ret = env->GetJavaVM(&WebViewImplementationNative::global_vm);
if (ret != 0)
TODO();
auto local_class = env->FindClass("org/serenityos/ladybird/WebViewImplementation");
if (!local_class)
TODO();
WebViewImplementationNative::global_class_reference = reinterpret_cast<jclass>(env->NewGlobalRef(local_class));
env->DeleteLocalRef(local_class);
auto field = env->GetFieldID(WebViewImplementationNative::global_class_reference, "nativeInstance", "J");
if (!field)
TODO();
WebViewImplementationNative::instance_pointer_field = field;
auto method = env->GetMethodID(WebViewImplementationNative::global_class_reference, "bindWebContentService", "(II)V");
if (!method)
TODO();
WebViewImplementationNative::bind_webcontent_method = method;
method = env->GetMethodID(WebViewImplementationNative::global_class_reference, "invalidateLayout", "()V");
if (!method)
TODO();
WebViewImplementationNative::invalidate_layout_method = method;
}
extern "C" JNIEXPORT jlong JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeObjectInit(JNIEnv* env, jobject thiz)
{
auto ref = env->NewGlobalRef(thiz);
auto instance = reinterpret_cast<jlong>(new WebViewImplementationNative(ref));
return instance;
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeObjectDispose(JNIEnv* env, jobject /* thiz */, jlong instance)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
env->DeleteGlobalRef(impl->java_instance());
delete impl;
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeDrawIntoBitmap(JNIEnv* env, jobject /* thiz */, jlong instance, jobject bitmap)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
AndroidBitmapInfo bitmap_info = {};
void* pixels = nullptr;
AndroidBitmap_getInfo(env, bitmap, &bitmap_info);
AndroidBitmap_lockPixels(env, bitmap, &pixels);
if (pixels)
impl->paint_into_bitmap(pixels, bitmap_info);
AndroidBitmap_unlockPixels(env, bitmap);
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeSetViewportGeometry(JNIEnv*, jobject /* thiz */, jlong instance, jint w, jint h)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
impl->set_viewport_geometry(w, h);
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeLoadURL(JNIEnv* env, jobject /* thiz */, jlong instance, jstring url)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
char const* raw_url = env->GetStringUTFChars(url, nullptr);
auto ak_url = AK::URL::create_with_url_or_path(StringView { raw_url, strlen(raw_url) });
env->ReleaseStringUTFChars(url, raw_url);
impl->load(ak_url);
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeSetDevicePixelRatio(JNIEnv*, jobject /* thiz */, jlong instance, jfloat ratio)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
impl->set_device_pixel_ratio(ratio);
}

43
Ladybird/Android/src/main/cpp/WebViewImplementationNative.h Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Userland/Libraries/LibWebView/ViewImplementation.h>
#include <android/bitmap.h>
#include <jni.h>
namespace Ladybird {
class WebViewImplementationNative : public WebView::ViewImplementation {
public:
WebViewImplementationNative(jobject thiz);
virtual Gfx::IntRect viewport_rect() const override { return m_viewport_rect; }
virtual Gfx::IntPoint to_content_position(Gfx::IntPoint p) const override { return p; }
virtual Gfx::IntPoint to_widget_position(Gfx::IntPoint p) const override { return p; }
virtual void update_zoom() override { }
NonnullRefPtr<WebView::WebContentClient> bind_web_content_client();
virtual void create_client(WebView::EnableCallgrindProfiling) override;
void paint_into_bitmap(void* android_bitmap_raw, AndroidBitmapInfo const& info);
void set_viewport_geometry(int w, int h);
void set_device_pixel_ratio(float f);
static jclass global_class_reference;
static jmethodID bind_webcontent_method;
static jmethodID invalidate_layout_method;
static JavaVM* global_vm;
jobject java_instance() const { return m_java_instance; }
private:
jobject m_java_instance = nullptr;
Gfx::IntRect m_viewport_rect;
};
}

94
Ladybird/Android/src/main/cpp/WebViewImplementationNativeJNI.cpp Normal file
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@ -0,0 +1,94 @@
/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WebViewImplementationNative.h"
#include <jni.h>
using namespace Ladybird;
jclass WebViewImplementationNative::global_class_reference;
jmethodID WebViewImplementationNative::bind_webcontent_method;
jmethodID WebViewImplementationNative::invalidate_layout_method;
JavaVM* WebViewImplementationNative::global_vm;
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_00024Companion_nativeClassInit(JNIEnv* env, jobject /* thiz */)
{
auto ret = env->GetJavaVM(&WebViewImplementationNative::global_vm);
if (ret != 0)
TODO();
auto local_class = env->FindClass("org/serenityos/ladybird/WebViewImplementation");
if (!local_class)
TODO();
WebViewImplementationNative::global_class_reference = reinterpret_cast<jclass>(env->NewGlobalRef(local_class));
env->DeleteLocalRef(local_class);
auto method = env->GetMethodID(WebViewImplementationNative::global_class_reference, "bindWebContentService", "(II)V");
if (!method)
TODO();
WebViewImplementationNative::bind_webcontent_method = method;
method = env->GetMethodID(WebViewImplementationNative::global_class_reference, "invalidateLayout", "()V");
if (!method)
TODO();
WebViewImplementationNative::invalidate_layout_method = method;
}
extern "C" JNIEXPORT jlong JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeObjectInit(JNIEnv* env, jobject thiz)
{
auto ref = env->NewGlobalRef(thiz);
auto instance = reinterpret_cast<jlong>(new WebViewImplementationNative(ref));
return instance;
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeObjectDispose(JNIEnv* env, jobject /* thiz */, jlong instance)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
env->DeleteGlobalRef(impl->java_instance());
delete impl;
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeDrawIntoBitmap(JNIEnv* env, jobject /* thiz */, jlong instance, jobject bitmap)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
AndroidBitmapInfo bitmap_info = {};
void* pixels = nullptr;
AndroidBitmap_getInfo(env, bitmap, &bitmap_info);
AndroidBitmap_lockPixels(env, bitmap, &pixels);
if (pixels)
impl->paint_into_bitmap(pixels, bitmap_info);
AndroidBitmap_unlockPixels(env, bitmap);
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeSetViewportGeometry(JNIEnv*, jobject /* thiz */, jlong instance, jint w, jint h)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
impl->set_viewport_geometry(w, h);
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeLoadURL(JNIEnv* env, jobject /* thiz */, jlong instance, jstring url)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
char const* raw_url = env->GetStringUTFChars(url, nullptr);
auto ak_url = AK::URL::create_with_url_or_path(StringView { raw_url, strlen(raw_url) });
env->ReleaseStringUTFChars(url, raw_url);
impl->load(ak_url);
}
extern "C" JNIEXPORT void JNICALL
Java_org_serenityos_ladybird_WebViewImplementation_nativeSetDevicePixelRatio(JNIEnv*, jobject /* thiz */, jlong instance, jfloat ratio)
{
auto* impl = reinterpret_cast<WebViewImplementationNative*>(instance);
impl->set_device_pixel_ratio(ratio);
}

3
Ladybird/CMakeLists.txt
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@ -155,10 +155,11 @@ elseif(ANDROID)
${SOURCES}
Android/src/main/cpp/LadybirdActivity.cpp
Android/src/main/cpp/WebViewImplementationNative.cpp
Android/src/main/cpp/WebViewImplementationNativeJNI.cpp
Android/src/main/cpp/ALooperEventLoopImplementation.cpp
Android/src/main/cpp/TimerExecutorService.cpp
)
target_link_libraries(ladybird PRIVATE LibArchive log jnigraphics android)
target_link_libraries(ladybird PRIVATE LibArchive jnigraphics android)
else()
# TODO: Check for other GUI frameworks here when we move them in-tree
# For now, we can export a static library of common files for chromes to link to

5
Ladybird/WebContent/CMakeLists.txt
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@ -55,10 +55,9 @@ else()
if (ANDROID)
target_sources(webcontent PRIVATE
../Android/src/main/cpp/WebContentService.cpp
../Android/src/main/cpp/ALooperEventLoopImplementation.cpp
../Android/src/main/cpp/TimerExecutorService.cpp
../Android/src/main/cpp/WebContentServiceJNI.cpp
)
target_link_libraries(webcontent PRIVATE log android)
target_link_libraries(webcontent PRIVATE android)
endif()
add_executable(WebContent main.cpp)