Beta version 3.0.4: Add some theme loading logging.

Telegram/SourceFiles/storage/details/storage_settings_scheme.cpp

@@ -618,6 +618,7 @@ bool ReadSetting(
 		stream >> key;
 		if (!CheckStreamStatus(stream)) return false;
 
+		DEBUG_LOG(("Theme: read key legacy: %1").arg(key));
 		context.themeKeyLegacy = key;
 		context.legacyRead = true;
 	} break;
@@ -628,6 +629,10 @@ bool ReadSetting(
 		stream >> keyDay >> keyNight >> nightMode;
 		if (!CheckStreamStatus(stream)) return false;
 
+		DEBUG_LOG(("Theme: read keys (night: %1) day_key: %2, night_key: %3, "
+			).arg(Logs::b(nightMode == 1)
+			).arg(keyDay
+			).arg(keyNight));
 		context.themeKeyDay = keyDay;
 		context.themeKeyNight = keyNight;
 		Window::Theme::SetNightModeValue(nightMode == 1);

Telegram/SourceFiles/storage/localstorage.cpp

@@ -125,6 +125,10 @@ bool CheckStreamStatus(QDataStream &stream) {
 void applyReadContext(ReadSettingsContext &&context) {
 	ApplyReadFallbackConfig(context);
 
+	DEBUG_LOG(("Theme: applying context, legacy: %1, day: %2, night: %3"
+		).arg(context.themeKeyLegacy
+		).arg(context.themeKeyDay
+		).arg(context.themeKeyNight));
 	_themeKeyLegacy = context.themeKeyLegacy;
 	_themeKeyDay = context.themeKeyDay;
 	_themeKeyNight = context.themeKeyNight;
@@ -869,6 +873,7 @@ Window::Theme::Saved readThemeUsingKey(FileKey key) {
 
 	FileReadDescriptor theme;
 	if (!ReadEncryptedFile(theme, key, _basePath, SettingsKey)) {
+		DEBUG_LOG(("Theme: Could not read file for key: %1").arg(key));
 		return {};
 	}
 
@@ -893,6 +898,9 @@ Window::Theme::Saved readThemeUsingKey(FileKey key) {
 		object.pathRelative = tag;
 	}
 	if (theme.stream.status() != QDataStream::Ok) {
+		DEBUG_LOG(("Theme: Bad status for key: %1, tag: %2"
+			).arg(key
+			).arg(tag));
 		return {};
 	}
 
@@ -932,6 +940,9 @@ Window::Theme::Saved readThemeUsingKey(FileKey key) {
 		>> field2;
 	if (!ignoreCache) {
 		if (theme.stream.status() != QDataStream::Ok) {
+			DEBUG_LOG(("Theme: Bad status for cache, key: %1, tag: %2"
+				).arg(key
+				).arg(tag));
 			return {};
 		}
 		cache.paletteChecksum = cachePaletteChecksum;
@@ -950,8 +961,12 @@ Window::Theme::Saved readThemeUsingKey(FileKey key) {
 std::optional<QString> InitialLoadThemeUsingKey(FileKey key) {
 	auto read = readThemeUsingKey(key);
 	const auto result = read.object.pathAbsolute;
+	if (read.object.content.isEmpty()) {
+		DEBUG_LOG(("Theme: Could not read content for key: %1").arg(key));
+	}
 	if (read.object.content.isEmpty()
 		|| !Window::Theme::Initialize(std::move(read))) {
+		DEBUG_LOG(("Theme: Could not initialized for key: %1").arg(key));
 		return std::nullopt;
 	}
 	return result;
@@ -961,13 +976,23 @@ void writeTheme(const Window::Theme::Saved &saved) {
 	using namespace Window::Theme;
 
 	if (_themeKeyLegacy) {
+		DEBUG_LOG(("Theme: skipping write, because legacy: %1"
+			).arg(_themeKeyLegacy));
 		return;
 	}
 	auto &themeKey = IsNightMode()
 		? _themeKeyNight
 		: _themeKeyDay;
+	DEBUG_LOG(("Theme: writing (night: %1), key_day: %2, key_night: %3"
+		).arg(Logs::b(IsNightMode())
+		).arg(_themeKeyDay
+		).arg(_themeKeyNight));
 	if (saved.object.content.isEmpty()) {
 		if (themeKey) {
+			if (IsNightMode()) {
+				DEBUG_LOG(("Theme: cleared for night mode."));
+				SetNightModeValue(false);
+			}
 			ClearKey(themeKey, _basePath);
 			themeKey = 0;
 			writeSettings();
@@ -1032,17 +1057,36 @@ void InitialLoadTheme() {
 		: (Window::Theme::IsNightMode()
 			? _themeKeyNight
 			: _themeKeyDay);
+	DEBUG_LOG(("Theme: initial load (night: %1), "
+		"key_legacy: %2, key_day: %3, key_night: %4"
+		).arg(Logs::b(Window::Theme::IsNightMode())
+		).arg(_themeKeyLegacy
+		).arg(_themeKeyDay
+		).arg(_themeKeyNight));
 	if (!key) {
+		if (Window::Theme::IsNightMode()) {
+			DEBUG_LOG(("Theme: zero key for night mode."));
+			Window::Theme::SetNightModeValue(false);
+		}
 		return;
 	} else if (const auto path = InitialLoadThemeUsingKey(key)) {
+		DEBUG_LOG(("Theme: loaded with result: %1").arg(*path));
 		if (_themeKeyLegacy) {
 			Window::Theme::SetNightModeValue(*path
 				== Window::Theme::NightThemePath());
 			(Window::Theme::IsNightMode()
 				? _themeKeyNight
 				: _themeKeyDay) = base::take(_themeKeyLegacy);
+			DEBUG_LOG(("Theme: now (night: %1), "
+				"key_legacy: %2, key_day: %3, key_night: %4 (path: %5)"
+				).arg(Logs::b(Window::Theme::IsNightMode())
+				).arg(_themeKeyLegacy
+				).arg(_themeKeyDay
+				).arg(_themeKeyNight
+				).arg(*path));
 		}
 	} else {
+		DEBUG_LOG(("Theme: could not load, clearing.."));
 		clearTheme();
 	}
 }

Telegram/SourceFiles/window/themes/window_theme.cpp

@@ -154,7 +154,6 @@ bool readNameAndValue(const char *&from, const char *end, QLatin1String *outName
 
 enum class SetResult {
 	Ok,
-	Bad,
 	NotFound,
 };
 SetResult setColorSchemeValue(
@@ -202,7 +201,7 @@ SetResult setColorSchemeValue(
 	} else {
 		LOG(("Theme Error: Unexpected internal error."));
 	}
-	return SetResult::Bad;
+	Unexpected("Value after palette.setColor().");
 }
 
 bool loadColorScheme(
@@ -215,9 +214,7 @@ bool loadColorScheme(
 		value = unsupported.value(value, value);
 
 		auto result = setColorSchemeValue(name, value, colorizer, out);
-		if (result == SetResult::Bad) {
-			return false;
-		} else if (result == SetResult::NotFound) {
+		if (result == SetResult::NotFound) {
 			unsupported.insert(name, value);
 		}
 		return true;
@@ -302,6 +299,7 @@ bool LoadTheme(
 			return false;
 		}
 		if (!loadColorScheme(schemeContent, paletteColorizer, out)) {
+			DEBUG_LOG(("Theme: Could not loadColorScheme."));
 			return false;
 		}
 		if (!out) {
@@ -311,6 +309,7 @@ bool LoadTheme(
 		auto backgroundTiled = false;
 		auto backgroundContent = QByteArray();
 		if (!loadBackground(file, &backgroundContent, &backgroundTiled)) {
+			DEBUG_LOG(("Theme: Could not loadBackground."));
 			return false;
 		}
 
@@ -347,6 +346,7 @@ bool LoadTheme(
 	} else {
 		// Looks like it is not a .zip theme.
 		if (!loadColorScheme(editedPalette.value_or(content), paletteColorizer, out)) {
+			DEBUG_LOG(("Theme: Could not loadColorScheme from non-zip."));
 			return false;
 		}
 		if (!out) {
@@ -422,6 +422,7 @@ bool InitializeFromSaved(Saved &&saved) {
 
 	const auto colorizer = ColorizerForTheme(saved.object.pathAbsolute);
 	if (!LoadTheme(saved.object.content, colorizer, editing, &saved.cache)) {
+		DEBUG_LOG(("Theme: Could not load from saved."));
 		return false;
 	}
 	if (editing) {
@@ -1235,6 +1236,7 @@ bool Initialize(Saved &&saved) {
 		Background()->setThemeObject(saved.object);
 		return true;
 	}
+	DEBUG_LOG(("Theme: Could not initialize from saved."));
 	return false;
 }
 
@@ -1464,6 +1466,7 @@ bool ReadPaletteValues(const QByteArray &content, Fn<bool(QLatin1String name, QL
 		auto name = QLatin1String("");
 		auto value = QLatin1String("");
 		if (!readNameAndValue(from, end, &name, &value)) {
+			DEBUG_LOG(("Theme: Could not readNameAndValue."));
 			return false;
 		}
 		if (name.size() == 0) { // End of content reached.

cmake

@@ -1 +1 @@
-Subproject commit 2827dd851edfca602cbb98cae6b3dbd123c4aa39
+Subproject commit c94b46f2fd99341a8217fe74b250bd0d0827b060