init

Telegram/SourceFiles/export/view/export_view_content.cpp

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "export/view/export_view_content.h"
+
+#include "export/export_settings.h"
+#include "lang/lang_keys.h"
+#include "ui/text/format_values.h"
+
+namespace Export {
+namespace View {
+
+const QString Content::kDoneId = "done";
+
+Content ContentFromState(
+		not_null<Settings*> settings,
+		const ProcessingState &state) {
+	using Step = ProcessingState::Step;
+
+	auto result = Content();
+	const auto push = [&](
+			const QString &id,
+			const QString &label,
+			const QString &info,
+			float64 progress,
+			uint64 randomId = 0) {
+		result.rows.push_back({ id, label, info, progress, randomId });
+	};
+	const auto pushMain = [&](const QString &label) {
+		const auto info = (state.entityCount > 0)
+			? (QString::number(state.entityIndex + 1)
+				+ " / "
+				+ QString::number(state.entityCount))
+			: QString();
+		if (!state.substepsTotal) {
+			push("main", label, info, 0.);
+			return;
+		}
+		const auto substepsTotal = state.substepsTotal;
+		const auto done = state.substepsPassed;
+		const auto add = state.substepsNow;
+		const auto doneProgress = done / float64(substepsTotal);
+		const auto addPart = [&](int index, int count) {
+			return (count > 0)
+				? ((float64(add) * index)
+					/ (float64(substepsTotal) * count))
+				: 0.;
+		};
+		const auto addProgress = (state.entityCount == 1
+			&& !state.entityIndex)
+			? addPart(state.itemIndex, state.itemCount)
+			: addPart(state.entityIndex, state.entityCount);
+		push("main", label, info, doneProgress + addProgress);
+	};
+	const auto pushBytes = [&](
+			const QString &id,
+			const QString &label,
+			uint64 randomId) {
+		if (!state.bytesCount) {
+			return;
+		}
+		const auto progress = state.bytesLoaded / float64(state.bytesCount);
+		const auto info = Ui::FormatDownloadText(
+			state.bytesLoaded,
+			state.bytesCount);
+		push(id, label, info, progress, randomId);
+	};
+	switch (state.step) {
+	case Step::Initializing:
+		pushMain(tr::lng_export_state_initializing(tr::now));
+		break;
+	case Step::DialogsList:
+		pushMain(tr::lng_export_state_chats_list(tr::now));
+		break;
+	case Step::PersonalInfo:
+		pushMain(tr::lng_export_option_info(tr::now));
+		break;
+	case Step::Userpics:
+		pushMain(tr::lng_export_state_userpics(tr::now));
+		pushBytes(
+			"userpic" + QString::number(state.entityIndex),
+			state.bytesName,
+			state.bytesRandomId);
+		break;
+	case Step::Contacts:
+		pushMain(tr::lng_export_option_contacts(tr::now));
+		break;
+	case Step::Stories:
+		pushMain(tr::lng_export_option_stories(tr::now));
+		pushBytes(
+			"story" + QString::number(state.entityIndex),
+			state.bytesName,
+			state.bytesRandomId);
+		break;
+	case Step::ProfileMusic:
+		pushMain(tr::lng_export_option_profile_music(tr::now));
+		pushBytes(
+			"music" + QString::number(state.entityIndex),
+			state.bytesName,
+			state.bytesRandomId);
+		break;
+	case Step::Sessions:
+		pushMain(tr::lng_export_option_sessions(tr::now));
+		break;
+	case Step::OtherData:
+		pushMain(tr::lng_export_option_other(tr::now));
+		break;
+	case Step::Dialogs:
+		if (state.entityCount > 1) {
+			pushMain(tr::lng_export_state_chats(tr::now));
+		}
+		push(
+			"chat" + QString::number(state.entityIndex),
+			(state.entityName.isEmpty()
+				? tr::lng_deleted(tr::now)
+				: (state.entityType == ProcessingState::EntityType::Chat)
+				? state.entityName
+				: (state.entityType == ProcessingState::EntityType::SavedMessages)
+				? tr::lng_saved_messages(tr::now)
+				: tr::lng_replies_messages(tr::now)),
+			(state.itemCount > 0
+				? (QString::number(state.itemIndex)
+					+ " / "
+					+ QString::number(state.itemCount))
+				: QString()),
+			(state.itemCount > 0
+				? (state.itemIndex / float64(state.itemCount))
+				: 0.));
+		pushBytes(
+			("file"
+				+ QString::number(state.entityIndex)
+				+ '_'
+				+ QString::number(state.itemIndex)),
+			state.bytesName,
+			state.bytesRandomId);
+		break;
+	case Step::Topic:
+		pushMain(tr::lng_export_state_chats(tr::now));
+		push(
+			"topic",
+			state.entityName.isEmpty()
+				? tr::lng_deleted(tr::now)
+				: state.entityName,
+			(state.itemCount > 0
+				? (QString::number(state.itemIndex)
+					+ " / "
+					+ QString::number(state.itemCount))
+				: QString()),
+			(state.itemCount > 0
+				? (state.itemIndex / float64(state.itemCount))
+				: 0.));
+		pushBytes(
+			"file_topic_" + QString::number(state.itemIndex),
+			state.bytesName,
+			state.bytesRandomId);
+		break;
+	default: Unexpected("Step in ContentFromState.");
+	}
+	const auto requiredRows = settings->onlySinglePeer() ? 2 : 3;
+	while (result.rows.size() < requiredRows) {
+		result.rows.emplace_back();
+	}
+	return result;
+}
+
+Content ContentFromState(const FinishedState &state) {
+	auto result = Content();
+	result.rows.push_back({
+		Content::kDoneId,
+		tr::lng_export_finished(tr::now),
+		QString(),
+		1. });
+	result.rows.push_back({
+		Content::kDoneId,
+		tr::lng_export_total_amount(
+			tr::now,
+			lt_amount,
+			QString::number(state.filesCount)),
+		QString(),
+		1. });
+	result.rows.push_back({
+		Content::kDoneId,
+		tr::lng_export_total_size(
+			tr::now,
+			lt_size,
+			Ui::FormatSizeText(state.bytesCount)),
+		QString(),
+		1. });
+	return result;
+}
+
+} // namespace View
+} // namespace Export