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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/actor/click_tool.h"
#include <cstdint>
#include <optional>
#include "base/strings/to_string.h"
#include "base/time/time.h"
#include "base/types/expected.h"
#include "chrome/common/actor/action_result.h"
#include "chrome/common/actor/actor_logging.h"
#include "chrome/renderer/actor/tool_utils.h"
#include "content/public/renderer/render_frame.h"
#include "third_party/abseil-cpp/absl/strings/str_format.h"
#include "third_party/blink/public/common/input/web_coalesced_input_event.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/common/input/web_mouse_event.h"
#include "third_party/blink/public/platform/web_input_event_result.h"
#include "third_party/blink/public/web/web_element.h"
#include "third_party/blink/public/web/web_form_control_element.h"
#include "third_party/blink/public/web/web_frame_widget.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_node.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/latency/latency_info.h"
namespace actor {
using ::blink::WebCoalescedInputEvent;
using ::blink::WebFormControlElement;
using ::blink::WebFrameWidget;
using ::blink::WebInputEvent;
using ::blink::WebInputEventResult;
using ::blink::WebMouseEvent;
using ::blink::WebNode;
ClickTool::ClickTool(mojom::ClickActionPtr action, content::RenderFrame& frame)
: frame_(frame), action_(std::move(action)) {}
ClickTool::~ClickTool() = default;
void ClickTool::Execute(ToolFinishedCallback callback) {
ValidatedResult validated_result = Validate();
if (!validated_result.has_value()) {
std::move(callback).Run(std::move(validated_result.error()));
return;
}
gfx::PointF click_point = validated_result.value();
WebMouseEvent::Button button;
switch (action_->type) {
case mojom::ClickAction::Type::kLeft: {
button = WebMouseEvent::Button::kLeft;
break;
}
case mojom::ClickAction::Type::kRight: {
button = WebMouseEvent::Button::kRight;
break;
}
}
int click_count;
switch (action_->count) {
case mojom::ClickAction::Count::kSingle: {
click_count = 1;
break;
}
case mojom::ClickAction::Count::kDouble: {
click_count = 2;
break;
}
}
mojom::ActionResultPtr result = CreateAndDispatchClick(
button, click_count, click_point, frame_->GetWebFrame()->FrameWidget());
std::move(callback).Run(std::move(result));
}
std::string ClickTool::DebugString() const {
return absl::StrFormat(
"ClickTool[%s;type(%s);count(%s)]", ToDebugString(action_->target),
base::ToString(action_->type), base::ToString(action_->count));
}
ClickTool::ValidatedResult ClickTool::Validate() const {
if (!frame_->GetWebFrame()->FrameWidget()) {
return base::unexpected(
MakeResult(mojom::ActionResultCode::kFrameWentAway));
}
if (action_->target->is_coordinate()) {
gfx::PointF click_point(action_->target->get_coordinate());
if (!IsPointWithinViewport(click_point, frame_.get())) {
return base::unexpected(
MakeResult(mojom::ActionResultCode::kCoordinatesOutOfBounds));
}
return click_point;
}
int32_t dom_node_id = action_->target->get_dom_node_id();
WebNode node = GetNodeFromId(frame_.get(), dom_node_id);
if (node.IsNull()) {
return base::unexpected(
MakeResult(mojom::ActionResultCode::kInvalidDomNodeId));
}
WebFormControlElement form_element = node.DynamicTo<WebFormControlElement>();
if (!form_element.IsNull() && !form_element.IsEnabled()) {
return base::unexpected(MakeResult(
mojom::ActionResultCode::kElementDisabled,
absl::StrFormat("[Element %s]", base::ToString(form_element))));
}
std::optional<gfx::PointF> click_point = InteractionPointFromWebNode(node);
if (!click_point.has_value()) {
return base::unexpected(
MakeResult(mojom::ActionResultCode::kElementOffscreen,
absl::StrFormat("[Element %s]", base::ToString(node))));
}
return *click_point;
}
} // namespace actor
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