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// Copyright 2022 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/ui/ash/input_method/completion_suggestion_label_view.h"
#include "chrome/browser/ui/ash/input_method/colors.h"
#include "ui/base/metadata/metadata_impl_macros.h"
namespace ui {
namespace ime {
const char CompletionSuggestionLabelView::kFontName[] = "Roboto";
CompletionSuggestionLabelView::CompletionSuggestionLabelView() {
SetHorizontalAlignment(gfx::ALIGN_LEFT);
SetAutoColorReadabilityEnabled(false);
// StyledLabel eats event, probably because it has to handle links.
// Explicitly sets can_process_events_within_subtree to false for
// hover to work correctly.
SetCanProcessEventsWithinSubtree(false);
}
void CompletionSuggestionLabelView::SetPrefixAndPrediction(
const std::u16string& prefix,
const std::u16string& prediction) {
const gfx::FontList kSuggestionFont({kFontName}, gfx::Font::NORMAL, kFontSize,
gfx::Font::Weight::NORMAL);
// SetText clears the existing style only if the text to set is different from
// the previous one.
SetText(u"");
SetText(prefix + prediction);
// Create style range for prefix if it's not empty.
if (!prefix.empty()) {
views::StyledLabel::RangeStyleInfo prefix_style;
prefix_style.custom_font = kSuggestionFont;
prefix_style.override_color =
ResolveSemanticColor(cros_styles::ColorName::kTextColorPrimary);
AddStyleRange(gfx::Range(0, prefix.length()), prefix_style);
}
// Create style range for the prediction.
views::StyledLabel::RangeStyleInfo prediction_style;
prediction_style.custom_font = kSuggestionFont;
prediction_style.override_color =
ResolveSemanticColor(cros_styles::ColorName::kTextColorSecondary);
AddStyleRange(
gfx::Range(prefix.length(), prefix.length() + prediction.length()),
prediction_style);
// TODO(crbug.com/40137343): Add tests to check view's height and width with
// a non-empty prefix.
// Maximum width for suggestion.
SizeToFit(448);
}
int CompletionSuggestionLabelView::GetPrefixWidthPx() const {
if (children().size() == 2) {
return static_cast<views::Label*>(children()[0])->width();
}
return 0;
}
BEGIN_METADATA(CompletionSuggestionLabelView)
END_METADATA
} // namespace ime
} // namespace ui
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