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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/render_widget_host_view_android.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_timeouts.h"
#include "base/test/test_trace_processor.h"
#include "components/input/features.h"
#include "components/input/utils.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "ui/events/android/motion_event_android_factory.h"
#include "ui/events/android/motion_event_android_java.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/motionevent_jni_headers/MotionEvent_jni.h"
namespace content {
using ::testing::_;
using ::testing::Return;
namespace {
class MockJniDelegate : public InputTransferHandlerAndroid::JniDelegate {
public:
~MockJniDelegate() override = default;
MOCK_METHOD((int), MaybeTransferInputToViz, (int), (override));
MOCK_METHOD((int), TransferInputToViz, (int), (override));
};
} // namespace
class RenderWidgetHostViewAndroidBrowserTest : public ContentBrowserTest {};
class InputOnVizBrowserTest : public RenderWidgetHostViewAndroidBrowserTest {
public:
InputOnVizBrowserTest() {
scoped_feature_list_.InitWithFeatureState(input::features::kInputOnViz,
/* enabled= */ true);
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
};
IN_PROC_BROWSER_TEST_F(InputOnVizBrowserTest, TransfersStateOnTouchDown) {
base::test::TestTraceProcessor ttp;
ttp.StartTrace("input");
RenderFrameSubmissionObserver render_frame_submission_observer(
shell()->web_contents());
EXPECT_TRUE(NavigateToURL(
shell(), GURL("data:text/html,<!doctype html>"
"<body style='background-color: magenta;'></body>")));
if (render_frame_submission_observer.render_frame_count() == 0) {
render_frame_submission_observer.WaitForAnyFrameSubmission();
}
auto* view = static_cast<RenderWidgetHostViewAndroid*>(
shell()->web_contents()->GetRenderWidgetHostView());
ASSERT_NE(view, nullptr);
auto* input_transfer_handler = view->GetInputTransferHandlerForTesting();
ASSERT_EQ(!!input_transfer_handler,
input::InputUtils::IsTransferInputToVizSupported());
if (!input_transfer_handler) {
return;
}
auto jni_delegate = std::unique_ptr<InputTransferHandlerAndroid::JniDelegate>(
new MockJniDelegate());
MockJniDelegate* mock_jni = static_cast<MockJniDelegate*>(jni_delegate.get());
input_transfer_handler->set_jni_delegate_for_testing(std::move(jni_delegate));
gfx::Point point(/*x=*/100, /*y=*/100);
int tool_type = static_cast<int>(ui::MotionEvent::ToolType::FINGER);
ui::MotionEventAndroid::Pointer p(0, point.x(), point.y(), 10, 0, 0, 0, 0,
tool_type);
JNIEnv* env = base::android::AttachCurrentThread();
auto time_ns = (ui::EventTimeForNow() - base::TimeTicks()).InNanoseconds();
auto action = ui::MotionEvent::Action::DOWN;
base::android::ScopedJavaLocalRef<jobject> obj =
JNI_MotionEvent::Java_MotionEvent_obtain(
env, /*downTime=*/0, /*eventTime=*/0, /*action=*/0, /*x=*/0, /*y=*/0,
/*metaState=*/0);
auto touch = ui::MotionEventAndroidFactory::CreateFromJava(
env, obj,
/*pix_to_dip=*/1.f,
/*ticks_x=*/0,
/*ticks_y=*/0,
/*tick_multiplier=*/0,
/*oldest_event_time=*/base::TimeTicks::FromJavaNanoTime(time_ns),
/*android_action=*/ui::MotionEventAndroid::GetAndroidAction(action),
/*pointer_count=*/1,
/*history_size=*/0,
/*action_index=*/0,
/*android_action_button=*/0,
/*android_gesture_classification=*/0,
/*android_button_state=*/0,
/*raw_offset_x_pixels=*/0,
/*raw_offset_y_pixels=*/0,
/*for_touch_handle=*/false,
/*pointer0=*/&p,
/*pointer1=*/nullptr);
int successfully_transferred =
static_cast<int>(TransferInputToVizResult::kSuccessfullyTransferred);
EXPECT_CALL(*mock_jni, MaybeTransferInputToViz(_))
.WillOnce(Return(successfully_transferred));
view->OnTouchEvent(*touch);
absl::Status status = ttp.StopAndParseTrace();
EXPECT_TRUE(status.ok()) << status.message();
std::string query = R"(SELECT COUNT(*) as cnt
FROM slice
WHERE slice.name =
'RenderWidgetHostViewAndroid::StateOnTouchTransfer')";
auto result = ttp.RunQuery(query);
EXPECT_TRUE(result.has_value());
// `result.value()` would look something like this: {{"cnt"}, {"<num>"}.
EXPECT_EQ(result.value().size(), 2u);
EXPECT_EQ(result.value()[1].size(), 1u);
const std::string slice_count = result.value()[1][0];
const std::string expected_count =
input::InputUtils::IsTransferInputToVizSupported() ? "1" : "0";
EXPECT_EQ(slice_count, expected_count);
}
} // namespace content
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