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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 "ash/quick_insert/quick_insert_clipboard_history_provider.h"
#include <string>
#include <string_view>
#include "ash/clipboard/clipboard_history_item.h"
#include "ash/public/cpp/clipboard_history_controller.h"
#include "base/i18n/case_conversion.h"
#include "chromeos/crosapi/mojom/clipboard_history.mojom.h"
namespace ash {
namespace {
constexpr base::TimeDelta kRecencyThreshold = base::Seconds(60);
constexpr int kMaxTextLength = 10000;
std::optional<QuickInsertClipboardResult::DisplayFormat> GetDisplayFormat(
crosapi::mojom::ClipboardHistoryDisplayFormat format) {
switch (format) {
case crosapi::mojom::ClipboardHistoryDisplayFormat::kFile:
return QuickInsertClipboardResult::DisplayFormat::kFile;
case crosapi::mojom::ClipboardHistoryDisplayFormat::kText:
return QuickInsertClipboardResult::DisplayFormat::kText;
case crosapi::mojom::ClipboardHistoryDisplayFormat::kPng:
return QuickInsertClipboardResult::DisplayFormat::kImage;
case crosapi::mojom::ClipboardHistoryDisplayFormat::kHtml:
// TODO: b/348102522 - Show HTML content once it's possible to render them
// inside Quick Insert.
default:
return std::nullopt;
}
}
bool MatchQuery(const ClipboardHistoryItem& item, std::u16string_view query) {
if (query.empty()) {
return true;
}
if (item.display_text().length() > kMaxTextLength) {
return false;
}
if (item.display_format() !=
crosapi::mojom::ClipboardHistoryDisplayFormat::kText &&
item.display_format() !=
crosapi::mojom::ClipboardHistoryDisplayFormat::kFile) {
return false;
}
return base::i18n::ToLower(item.display_text())
.find(base::i18n::ToLower(query)) != std::u16string::npos;
}
} // namespace
QuickInsertClipboardHistoryProvider::QuickInsertClipboardHistoryProvider(
base::Clock* clock)
: clock_(clock) {}
QuickInsertClipboardHistoryProvider::~QuickInsertClipboardHistoryProvider() =
default;
void QuickInsertClipboardHistoryProvider::FetchResults(
OnFetchResultsCallback callback,
std::u16string_view query) {
ClipboardHistoryController* clipboard_history_controller =
ClipboardHistoryController::Get();
if (clipboard_history_controller) {
clipboard_history_controller->GetHistoryValues(
base::BindOnce(&QuickInsertClipboardHistoryProvider::OnFetchHistory,
weak_ptr_factory_.GetWeakPtr(), std::move(callback),
std::u16string(query)));
}
}
void QuickInsertClipboardHistoryProvider::OnFetchHistory(
OnFetchResultsCallback callback,
std::u16string query,
std::vector<ClipboardHistoryItem> items) {
std::vector<QuickInsertSearchResult> results;
for (const auto& item : items) {
if (!MatchQuery(item, query)) {
continue;
}
if (std::optional<QuickInsertClipboardResult::DisplayFormat>
display_format = GetDisplayFormat(item.display_format());
display_format.has_value()) {
results.push_back(QuickInsertClipboardResult(
item.id(), *display_format, item.file_count(), item.display_text(),
item.display_image(),
(clock_->Now() - item.time_copied()) < kRecencyThreshold));
}
}
std::move(callback).Run(std::move(results));
}
} // namespace ash
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