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// Copyright 2023 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/browser/companion/text_finder/text_highlighter.h"
#include <string>
#include "base/metrics/histogram_functions.h"
#include "third_party/blink/public/mojom/annotation/annotation.mojom.h"
#include "ui/gfx/geometry/rect.h"
namespace companion {
namespace internal {
TextHighlighter::TextHighlighter(
const std::string& text_directive,
const mojo::Remote<blink::mojom::AnnotationAgentContainer>& agent_container)
: text_directive_(text_directive), receiver_(this) {
DCHECK(!text_directive.empty());
InitializeAndBindToAnnotationAgent(agent_container);
}
TextHighlighter::~TextHighlighter() = default;
void TextHighlighter::InitializeAndBindToAnnotationAgent(
const mojo::Remote<blink::mojom::AnnotationAgentContainer>&
agent_container) {
// Create an annotation agent and bind to it.
agent_container->CreateAgent(
receiver_.BindNewPipeAndPassRemote(), agent_.BindNewPipeAndPassReceiver(),
blink::mojom::AnnotationType::kSharedHighlight,
blink::mojom::Selector::NewSerializedSelector(text_directive_),
/*search_range_start_node_id=*/std::nullopt);
}
void TextHighlighter::DidFinishAttachment(
const gfx::Rect& rect,
blink::mojom::AttachmentResult attachment_result) {
base::UmaHistogramBoolean("Companion.CQ.TextHighlight.Success",
!rect.IsEmpty());
if (attachment_result != blink::mojom::AttachmentResult::kSuccess) {
return;
}
// Call the mojo method to scroll to the highlighted text.
agent_->ScrollIntoView(/*applies_focus=*/true);
}
} // namespace internal
} // namespace companion
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