Files
paseo/packages/app/src/components/model-browser.tsx
T
Mohamed Boudra 5ec26f0c09 feat(app): align interface typography to base size
Treat the appearance setting as the rendered base size so the type ramp scales predictably. Native starts one pixel larger while web and desktop preserve the authored 14px base, with legacy values migrated on load.
2026-08-17 22:55:46 +02:00

1404 lines
39 KiB
TypeScript

import { createContext, useCallback, useContext, useMemo, useReducer, useState } from "react";
import { useTranslation } from "react-i18next";
import {
FlatList,
Platform,
Pressable,
ScrollView,
Text,
View,
type AccessibilityActionEvent,
type GestureResponderEvent,
type PressableStateCallbackType,
type StyleProp,
type ViewStyle,
} from "react-native";
import { BottomSheetFlatList } from "@gorhom/bottom-sheet";
import { Gesture, GestureDetector } from "react-native-gesture-handler";
import { StyleSheet, withUnistyles } from "react-native-unistyles";
import {
AlertTriangle,
Check,
ChevronRight,
Pencil,
Plus,
Search,
Settings,
} from "lucide-react-native";
import type { AgentProvider } from "@getpaseo/protocol/agent-types";
import {
AgentProfileGlyph,
type AgentProfilePicker,
type AgentProfilePickerRow as AgentProfilePickerRowModel,
} from "@/agent-profiles";
import type { SheetHeader } from "@/components/adaptive-modal-sheet";
import { Button } from "@/components/ui/button";
import { LoadingSpinner } from "@/components/ui/loading-spinner";
import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip";
import { getProviderIcon } from "@/components/provider-icons";
import { useIsCompactFormFactor } from "@/constants/layout";
import { isNative, isWeb } from "@/constants/platform";
import {
buildProviderQualifiedDescription,
buildSelectedTriggerLabel,
filterAndRankModelRows,
getAllProviderModelRows,
getProviderModelRows,
resolveSelectedModelLabel,
type ProviderSelectionModelRow,
type ProviderSelectorProvider,
} from "@/provider-selection/provider-selection";
import { useProviderSettingsStore } from "@/stores/provider-settings-store";
import { useCurrentOverlayLayer } from "@/lib/overlay-root";
import { ICON_SIZE, type Theme } from "@/styles/theme";
import {
resolveInitialModelBrowserView,
resolveModelBrowserAllView,
type ModelBrowserView,
} from "@/components/model-browser-view";
const DESKTOP_PROVIDER_VIEW_MIN_HEIGHT = 220;
const DESKTOP_PROVIDER_VIEW_MAX_HEIGHT = 400;
const DESKTOP_PROVIDER_VIEW_BASE_HEIGHT = 80;
const DESKTOP_MODEL_ROW_HEIGHT = 40;
const ThemedAlertTriangle = withUnistyles(AlertTriangle);
const ThemedCheck = withUnistyles(Check);
const ThemedChevronRight = withUnistyles(ChevronRight);
const ThemedLoadingSpinner = withUnistyles(LoadingSpinner);
const ThemedPencil = withUnistyles(Pencil);
const ThemedPlus = withUnistyles(Plus);
const ThemedSearch = withUnistyles(Search);
const ThemedSettings = withUnistyles(Settings);
function ProviderSettingsAction({
accessibilityLabel,
provider,
serverId,
}: {
accessibilityLabel: string;
provider: string;
serverId: string | null;
}) {
const overlayParentLayer = useCurrentOverlayLayer();
const handlePress = useCallback(() => {
if (!serverId) return;
useProviderSettingsStore.getState().open({ serverId, provider, overlayParentLayer });
}, [overlayParentLayer, provider, serverId]);
return (
<Pressable
onPress={handlePress}
disabled={!serverId}
hitSlop={8}
style={iconButtonStyle}
accessibilityRole="button"
accessibilityLabel={accessibilityLabel}
testID={`selector-header-settings-${provider}`}
>
<HeaderSettingsIcon disabled={!serverId} />
</Pressable>
);
}
function AgentProfilesEditAction({ onPress }: { onPress: () => void }) {
const { t } = useTranslation();
return (
<Tooltip delayDuration={250} enabledOnDesktop enabledOnMobile={false}>
<TooltipTrigger asChild>
<Pressable
onPress={onPress}
hitSlop={8}
style={iconButtonStyle}
accessibilityRole="button"
accessibilityLabel={t("modelSelector.editProfilesLabel")}
testID="model-profiles-edit"
>
<ThemedPencil size={ICON_SIZE.xs} uniProps={foregroundExtraMutedMapping} />
</Pressable>
</TooltipTrigger>
<TooltipContent side="top" align="center" offset={8}>
<Text style={styles.tooltipText}>{t("modelSelector.editProfilesLabel")}</Text>
</TooltipContent>
</Tooltip>
);
}
const IndependentScrollGestureContext = createContext<ReturnType<typeof Gesture.Native> | null>(
null,
);
const foregroundMutedMapping = (theme: Theme) => ({
color: theme.colors.foregroundMuted,
});
const foregroundExtraMutedMapping = (theme: Theme) => ({
color: theme.colors.foregroundExtraMuted,
});
const headerSettingsMapping = (disabled: boolean) => (theme: Theme) => ({
color: disabled ? theme.colors.border : theme.colors.foregroundMuted,
});
interface ModelBrowserInput {
providers: ProviderSelectorProvider[];
selectedProvider: string;
selectedModel: string;
isLoading: boolean;
autoFocusSearch?: boolean;
/** Pinned above the provider list on the root view. `null` hides the section. */
profiles?: AgentProfilePicker | null;
serverId?: string | null;
}
export interface ModelBrowserState {
providers: ProviderSelectorProvider[];
selectedProvider: string;
selectedModel: string;
profiles: AgentProfilePicker | null;
view: ModelBrowserView;
searchQuery: string;
isSearchFocused: boolean;
header: SheetHeader;
selectedModelLabel: string;
triggerLabel: string;
desktopFixedHeight: number | undefined;
isProviderView: boolean;
prepareToOpen: () => void;
showAll: () => void;
reset: () => void;
drillDown: (providerId: string, providerLabel: string) => void;
}
interface ModelBrowserProps {
state: ModelBrowserState;
onSelect: (provider: string, modelId: string) => void;
/** Applying a profile resolves the pick and dismisses, exactly like a model row. */
onApplyProfile?: (profileId: string) => void;
onEditProfiles?: () => void;
onRetryProvider?: (provider: AgentProvider) => void;
isRetryingProvider?: boolean;
scrolling?: "sheet" | "independent";
/** Empty focused search shows all model rows instead of the browse root. */
searchAllOnFocus?: boolean;
/** Replaces provider rows only while the all-provider search is empty. */
rootBrowseContent?: React.ReactNode;
}
interface ModelBrowserContentProps extends Omit<ModelBrowserProps, "state" | "scrolling"> {
view: ModelBrowserView;
providers: ProviderSelectorProvider[];
selectedProvider: string;
selectedModel: string;
searchQuery: string;
isSearchFocused: boolean;
profiles: AgentProfilePicker | null;
onDrillDown: (providerId: string, providerLabel: string) => void;
scrolling: "sheet" | "independent";
searchAllOnFocus: boolean;
rootBrowseContent?: React.ReactNode;
}
type ProviderGlyphTone = "muted" | "foreground";
export function ModelProviderGlyph({
provider,
size,
tone = "muted",
}: {
provider: string;
size: number;
tone?: ProviderGlyphTone;
}) {
const Icon = getProviderIcon(provider);
const color =
tone === "foreground" ? styles.providerIconForeground.color : styles.providerIconMuted.color;
return <Icon size={size} color={color} />;
}
function HeaderSettingsIcon({ disabled }: { disabled: boolean }) {
const uniProps = useMemo(() => headerSettingsMapping(disabled), [disabled]);
return <ThemedSettings size={ICON_SIZE.sm} uniProps={uniProps} />;
}
function iconButtonStyle({ hovered, pressed }: PressableStateCallbackType & { hovered?: boolean }) {
return [
styles.rowIconButton,
Boolean(hovered) && styles.rowIconButtonHovered,
pressed && styles.rowIconButtonPressed,
];
}
function countModelsInView(view: ModelBrowserView, providers: ProviderSelectorProvider[]): number {
if (view.kind === "all") {
return getAllProviderModelRows(providers).length;
}
const provider = providers.find((entry) => entry.id === view.providerId);
return provider?.modelSelection.kind === "models" ? getProviderModelRows(provider).length : 0;
}
function resolveDesktopFixedHeight(
view: ModelBrowserView,
providers: ProviderSelectorProvider[],
): number {
const modelCount = countModelsInView(view, providers);
return Math.min(
Math.max(
DESKTOP_PROVIDER_VIEW_MIN_HEIGHT,
DESKTOP_PROVIDER_VIEW_BASE_HEIGHT + modelCount * DESKTOP_MODEL_ROW_HEIGHT,
),
DESKTOP_PROVIDER_VIEW_MAX_HEIGHT,
);
}
export function useModelBrowser({
providers,
selectedProvider,
selectedModel,
isLoading,
autoFocusSearch = isWeb,
profiles = null,
serverId = null,
}: ModelBrowserInput): ModelBrowserState {
const { t } = useTranslation();
const [view, setView] = useState<ModelBrowserView>({ kind: "all" });
const [searchQuery, setSearchQuery] = useState("");
const [isSearchFocused, setIsSearchFocused] = useState(false);
const [searchResetKey, bumpSearchResetKey] = useReducer((key: number) => key + 1, 0);
const hasProfiles = (profiles?.rows.length ?? 0) > 0;
const initialView = useMemo(
() =>
resolveInitialModelBrowserView({
providers,
selectedProvider,
selectedModel,
hasProfiles,
}),
[hasProfiles, providers, selectedModel, selectedProvider],
);
const prepareToOpen = useCallback(() => {
setView(initialView);
}, [initialView]);
const reset = useCallback(() => {
setSearchQuery("");
setIsSearchFocused(false);
bumpSearchResetKey();
}, []);
const showAll = useCallback(() => {
setView({ kind: "all" });
reset();
}, [reset]);
const drillDown = useCallback(
(providerId: string, providerLabel: string) => {
setView({ kind: "provider", providerId, providerLabel });
reset();
},
[reset],
);
const handleSearchQueryChange = useCallback((value: string) => {
setSearchQuery(value);
}, []);
const singleProviderView = providers.length === 1;
const header = useMemo<SheetHeader>(() => {
if (view.kind === "all") {
return {
title: t("modelSelector.title"),
search: {
onChange: handleSearchQueryChange,
onFocus: () => setIsSearchFocused(true),
onBlur: () => setIsSearchFocused(false),
resetKey: `all:${searchResetKey}`,
placeholder: t("modelSelector.searchAllPlaceholder"),
autoFocus: autoFocusSearch,
testID: "model-search-all-input",
},
};
}
return {
title: view.providerLabel,
leading: (
<ModelProviderGlyph provider={view.providerId} size={ICON_SIZE.md} tone="foreground" />
),
back: singleProviderView ? undefined : { onPress: showAll },
actions: (
<View style={styles.headerActionRow}>
<ProviderSettingsAction
serverId={serverId}
provider={view.providerId}
accessibilityLabel={t("modelSelector.openProviderSettings", {
provider: view.providerLabel,
})}
/>
</View>
),
search: {
onChange: handleSearchQueryChange,
onFocus: () => setIsSearchFocused(true),
onBlur: () => setIsSearchFocused(false),
resetKey: `${view.providerId}:${searchResetKey}`,
placeholder: t("modelSelector.searchPlaceholder"),
autoFocus: autoFocusSearch,
testID: "model-search-input",
},
};
}, [
autoFocusSearch,
handleSearchQueryChange,
searchResetKey,
serverId,
singleProviderView,
showAll,
t,
view,
]);
const selectedModelLabel = useMemo(
() =>
resolveSelectedModelLabel({
providers,
selectedProvider,
selectedModel,
isLoading,
}),
[isLoading, providers, selectedModel, selectedProvider],
);
const triggerLabel = useMemo(() => {
const isPlaceholder =
selectedModelLabel === t("modelSelector.loading") ||
selectedModelLabel === t("modelSelector.selectModel");
return isPlaceholder ? selectedModelLabel : buildSelectedTriggerLabel(selectedModelLabel);
}, [selectedModelLabel, t]);
const desktopFixedHeight = useMemo(
() => resolveDesktopFixedHeight(view, providers),
[providers, view],
);
return {
providers,
selectedProvider,
selectedModel,
profiles,
view,
searchQuery,
isSearchFocused,
header,
selectedModelLabel,
triggerLabel,
desktopFixedHeight,
isProviderView: view.kind === "provider",
prepareToOpen,
showAll,
reset,
drillDown,
};
}
function normalizeSearchQuery(value: string): string {
return value.trim().toLowerCase();
}
interface ModelBrowserPressableProps {
children: React.ReactNode | ((state: PressableStateCallbackType) => React.ReactNode);
style?:
| StyleProp<ViewStyle>
| ((state: PressableStateCallbackType & { hovered?: boolean }) => StyleProp<ViewStyle>);
onPress: () => void;
hitSlop?: number;
accessibilityLabel?: string;
/** Only rows that can express selection pass this; the rest stay unannotated. */
accessibilitySelected?: boolean;
testID?: string;
}
function ModelBrowserPressable({
children,
style,
onPress,
hitSlop,
accessibilityLabel,
accessibilitySelected,
testID,
}: ModelBrowserPressableProps) {
const independentScrollGesture = useContext(IndependentScrollGestureContext);
const [pressed, setPressed] = useState(false);
// Android's scroll handler must keep the pointer stream until release so a
// fling survives leaving the short viewport. A simultaneous Tap keeps rows
// interactive, while maxDistance makes a real scroll fail instead of select.
const tapGesture = useMemo(() => {
const gesture = Gesture.Tap()
.maxDistance(8)
.shouldCancelWhenOutside(true)
.runOnJS(true)
.onBegin(() => setPressed(true))
.onEnd((_event, success) => {
if (success) onPress();
})
.onFinalize(() => setPressed(false));
if (hitSlop !== undefined) gesture.hitSlop(hitSlop);
if (independentScrollGesture) {
gesture.simultaneousWithExternalGesture(independentScrollGesture);
}
return gesture;
}, [hitSlop, independentScrollGesture, onPress]);
const handlePress = useCallback(
(event: GestureResponderEvent) => {
event.stopPropagation();
onPress();
},
[onPress],
);
const handleAccessibilityAction = useCallback(
(event: AccessibilityActionEvent) => {
if (event.nativeEvent.actionName === "activate") onPress();
},
[onPress],
);
const accessibilityState = useMemo(
() => (accessibilitySelected === undefined ? undefined : { selected: accessibilitySelected }),
[accessibilitySelected],
);
if (!independentScrollGesture) {
return (
<Pressable
onPress={handlePress}
hitSlop={hitSlop}
style={style}
accessibilityRole="button"
accessibilityLabel={accessibilityLabel}
accessibilityState={accessibilityState}
aria-selected={accessibilitySelected}
testID={testID}
>
{children}
</Pressable>
);
}
const state = { pressed };
const resolvedStyle = typeof style === "function" ? style(state) : style;
const resolvedChildren = typeof children === "function" ? children(state) : children;
return (
<GestureDetector gesture={tapGesture}>
<View
accessible
accessibilityRole="button"
accessibilityLabel={accessibilityLabel}
accessibilityState={accessibilityState}
aria-selected={accessibilitySelected}
accessibilityActions={[{ name: "activate" }]}
onAccessibilityAction={handleAccessibilityAction}
style={resolvedStyle}
testID={testID}
>
{resolvedChildren}
</View>
</GestureDetector>
);
}
type ModelBrowserRowTone = "default" | "elevated" | "drillDown";
function ModelBrowserRow({
label,
description,
leadingSlot,
trailingSlot,
selected = false,
selectionIndicator = false,
tone = "default",
labelMuted = false,
spacing = "model",
onPress,
testID,
}: {
label: string;
description?: string;
leadingSlot: React.ReactNode;
trailingSlot?: React.ReactNode;
selected?: boolean;
selectionIndicator?: boolean;
tone?: ModelBrowserRowTone;
/** For rows that offer an action rather than name a thing you can pick. */
labelMuted?: boolean;
spacing?: "model" | "provider";
onPress: () => void;
testID?: string;
}) {
const pressableStyle = useCallback(
({ hovered, pressed }: PressableStateCallbackType & { hovered?: boolean }) => [
styles.browserRow,
spacing === "model" && styles.browserModelRow,
Boolean(hovered) &&
(tone === "elevated" ? styles.browserRowHoveredElevated : styles.browserRowHovered),
pressed && (tone === "default" ? styles.browserRowPressed : styles.browserRowPressedElevated),
],
[spacing, tone],
);
const contentStyle = useMemo(
() => [styles.browserRowText, description && styles.browserRowTextInline],
[description],
);
const hasTrailing = selected || trailingSlot;
return (
<ModelBrowserPressable
onPress={onPress}
style={pressableStyle}
// A profile row is an action, not a selection, so it carries no selection
// state at all — only rows that draw the checkmark claim one.
accessibilitySelected={selectionIndicator ? selected : undefined}
testID={testID}
>
<View style={styles.browserRowContent}>
<View style={styles.browserRowLeading}>{leadingSlot}</View>
<View style={contentStyle}>
<Text
numberOfLines={1}
style={labelMuted ? styles.browserRowLabelMuted : styles.browserRowLabel}
>
{label}
</Text>
{description ? (
<Text numberOfLines={1} style={styles.browserRowDescription}>
{description}
</Text>
) : null}
</View>
{hasTrailing ? (
<View style={styles.browserRowTrailing}>
{selectionIndicator ? (
<View style={styles.browserRowSelection}>
{selected ? (
<ThemedCheck size={ICON_SIZE.sm} uniProps={foregroundMutedMapping} />
) : null}
</View>
) : null}
{trailingSlot}
</View>
) : null}
</View>
</ModelBrowserPressable>
);
}
function ModelRow({
row,
isSelected,
showProviderLabel = false,
onPress,
}: {
row: ProviderSelectionModelRow;
isSelected: boolean;
showProviderLabel?: boolean;
onPress: () => void;
}) {
const leadingSlot = useMemo(
() => <ModelProviderGlyph provider={row.provider} size={ICON_SIZE.sm} />,
[row.provider],
);
const description = showProviderLabel ? buildProviderQualifiedDescription(row) : row.description;
return (
<ModelBrowserRow
label={row.modelLabel}
description={description}
selected={isSelected}
selectionIndicator
onPress={onPress}
leadingSlot={leadingSlot}
testID={`model-row-${row.provider}-${row.modelId}`}
/>
);
}
function SelectableModelRow({
row,
isSelected,
showProviderLabel,
onSelect,
}: {
row: ProviderSelectionModelRow;
isSelected: boolean;
showProviderLabel?: boolean;
onSelect: (provider: string, modelId: string) => void;
}) {
const handlePress = useCallback(() => {
onSelect(row.provider, row.modelId);
}, [onSelect, row.modelId, row.provider]);
return (
<ModelRow
row={row}
isSelected={isSelected}
showProviderLabel={showProviderLabel}
onPress={handlePress}
/>
);
}
function AgentProfilePickerRowView({
row,
onApply,
}: {
row: AgentProfilePickerRowModel;
onApply: (profileId: string) => void;
}) {
const handlePress = useCallback(() => onApply(row.id), [onApply, row.id]);
const leadingSlot = useMemo(
() => <AgentProfileGlyph icon={row.icon} color={row.color} size={ICON_SIZE.sm} />,
[row.color, row.icon],
);
return (
<ModelBrowserRow
label={row.name}
description={row.summary}
tone="elevated"
onPress={handlePress}
leadingSlot={leadingSlot}
testID={`model-profile-row-${row.id}`}
/>
);
}
/**
* Pinned above the provider list. Rows are actions, not selections: applying a
* profile writes its values into the composer and nothing stays bound to it, so
* there is no checkmark and no active row to show.
*/
function AgentProfilesPickerSection({
rows,
onApplyProfile,
onEditProfiles,
}: {
rows: AgentProfilePickerRowModel[];
onApplyProfile?: (profileId: string) => void;
onEditProfiles?: () => void;
}) {
const { t } = useTranslation();
const handleApply = useCallback(
(profileId: string) => onApplyProfile?.(profileId),
[onApplyProfile],
);
return (
<View style={styles.profilesContainer}>
<View style={styles.sectionHeading}>
<Text style={styles.sectionHeadingText}>{t("modelSelector.profiles")}</Text>
{onEditProfiles ? (
<View style={styles.sectionHeadingAction}>
<AgentProfilesEditAction onPress={onEditProfiles} />
</View>
) : null}
</View>
{rows.map((row) => (
<AgentProfilePickerRowView key={row.id} row={row} onApply={handleApply} />
))}
</View>
);
}
function CreateAgentProfileRow({ onPress }: { onPress: () => void }) {
const { t } = useTranslation();
const leadingSlot = useMemo(
() => (
<View testID="model-profiles-create-icon">
<ThemedPlus size={ICON_SIZE.sm} uniProps={foregroundMutedMapping} />
</View>
),
[],
);
return (
<ModelBrowserRow
label={t("modelSelector.createProfile")}
labelMuted
leadingSlot={leadingSlot}
onPress={onPress}
testID="model-profiles-empty"
/>
);
}
function AgentProfilesPickerContent({
rows,
onApplyProfile,
onEditProfiles,
}: {
rows: AgentProfilePickerRowModel[];
onApplyProfile?: (profileId: string) => void;
onEditProfiles?: () => void;
}) {
if (rows.length === 0) {
return onEditProfiles ? <CreateAgentProfileRow onPress={onEditProfiles} /> : null;
}
return (
<AgentProfilesPickerSection
rows={rows}
onApplyProfile={onApplyProfile}
onEditProfiles={onEditProfiles}
/>
);
}
function GroupProviderButton({
provider,
onDrillDown,
}: {
provider: ProviderSelectorProvider;
onDrillDown: (providerId: string, providerLabel: string) => void;
}) {
const { t } = useTranslation();
const selection = provider.modelSelection;
const handlePress = useCallback(() => {
onDrillDown(provider.id, provider.label);
}, [onDrillDown, provider.id, provider.label]);
const stateNode = useMemo(() => {
if (selection.kind === "models") {
const count = selection.rows.length;
return (
<Text style={styles.drillDownCount}>
{t(count === 1 ? "modelSelector.modelCount" : "modelSelector.modelCountPlural", {
count,
})}
</Text>
);
}
if (selection.kind === "loading") {
return (
<View style={styles.rowStateInline}>
<View style={styles.rowSpinner}>
<ThemedLoadingSpinner size={ICON_SIZE.sm} uniProps={foregroundMutedMapping} />
</View>
<Text style={styles.drillDownCount}>{t("modelSelector.loadingShort")}</Text>
</View>
);
}
return (
<View style={styles.rowStateInline}>
<ThemedAlertTriangle size={ICON_SIZE.sm} uniProps={foregroundMutedMapping} />
<Text style={styles.drillDownCount}>{t("modelSelector.error")}</Text>
</View>
);
}, [selection, t]);
const leadingSlot = useMemo(
() => <ModelProviderGlyph provider={provider.id} size={ICON_SIZE.sm} />,
[provider.id],
);
const trailingSlot = useMemo(
() => (
<View style={styles.drillDownTrailing}>
{stateNode}
<ThemedChevronRight size={ICON_SIZE.sm} uniProps={foregroundMutedMapping} />
</View>
),
[stateNode],
);
return (
<ModelBrowserRow
label={provider.label}
leadingSlot={leadingSlot}
trailingSlot={trailingSlot}
tone="drillDown"
spacing="provider"
onPress={handlePress}
testID={`model-provider-${provider.id}`}
/>
);
}
function GroupedProviderRows({
providers,
onDrillDown,
}: {
providers: ProviderSelectorProvider[];
onDrillDown: (providerId: string, providerLabel: string) => void;
}) {
return (
<View>
{providers.map((provider, index) => (
<View key={provider.id}>
{index > 0 ? <View style={styles.separator} /> : null}
<GroupProviderButton provider={provider} onDrillDown={onDrillDown} />
</View>
))}
</View>
);
}
function IndependentScrollBoundary({ children }: { children: React.ReactElement }) {
// Prevent the parent sheet from cancelling Android's native scroll when the
// finger crosses this viewport; receiving ACTION_UP is what preserves fling.
const nativeScrollGesture = useMemo(
() =>
Gesture.Native()
.shouldActivateOnStart(true)
.shouldCancelWhenOutside(false)
.disallowInterruption(true),
[],
);
if (Platform.OS !== "android") {
return children;
}
return (
<IndependentScrollGestureContext.Provider value={nativeScrollGesture}>
<GestureDetector gesture={nativeScrollGesture}>{children}</GestureDetector>
</IndependentScrollGestureContext.Provider>
);
}
function IndependentModelList({
rows,
renderItem,
header,
}: {
rows: ProviderSelectionModelRow[];
renderItem: ({ item }: { item: ProviderSelectionModelRow }) => React.ReactElement;
header?: React.ReactElement;
}) {
return (
<IndependentScrollBoundary>
<FlatList
data={rows}
renderItem={renderItem}
ListHeaderComponent={header}
keyExtractor={getModelRowKey}
style={styles.virtualizedModelList}
keyboardShouldPersistTaps="handled"
keyboardDismissMode="on-drag"
showsVerticalScrollIndicator={false}
contentContainerStyle={styles.virtualizedModelListContent}
nestedScrollEnabled
testID="compact-model-list"
/>
</IndependentScrollBoundary>
);
}
function getModelRowKey(row: ProviderSelectionModelRow): string {
return row.favoriteKey;
}
function IndependentProviderList({ children }: { children: React.ReactNode }) {
return (
<IndependentScrollBoundary>
<ScrollView
style={styles.virtualizedModelList}
contentContainerStyle={[
styles.virtualizedModelListContent,
styles.virtualizedProviderListContent,
]}
keyboardShouldPersistTaps="handled"
keyboardDismissMode="on-drag"
showsVerticalScrollIndicator={false}
nestedScrollEnabled
testID="compact-provider-list"
>
{children}
</ScrollView>
</IndependentScrollBoundary>
);
}
function ModelRowList({
rows,
selectedProvider,
selectedModel,
onSelect,
showProviderLabel = false,
header,
scrolling,
}: {
rows: ProviderSelectionModelRow[];
selectedProvider: string;
selectedModel: string;
onSelect: (provider: string, modelId: string) => void;
showProviderLabel?: boolean;
header?: React.ReactElement;
scrolling: "sheet" | "independent";
}) {
const isCompact = useIsCompactFormFactor();
const renderItem = useCallback(
({ item }: { item: ProviderSelectionModelRow }) => (
<SelectableModelRow
row={item}
isSelected={item.provider === selectedProvider && item.modelId === selectedModel}
showProviderLabel={showProviderLabel}
onSelect={onSelect}
/>
),
[onSelect, selectedModel, selectedProvider, showProviderLabel],
);
const keyExtractor = useCallback((row: ProviderSelectionModelRow) => row.favoriteKey, []);
if (scrolling === "independent") {
return <IndependentModelList rows={rows} renderItem={renderItem} header={header} />;
}
if (isCompact && isNative) {
return (
<BottomSheetFlatList
data={rows}
renderItem={renderItem}
ListHeaderComponent={header}
keyExtractor={keyExtractor}
style={styles.virtualizedModelList}
keyboardShouldPersistTaps="handled"
showsVerticalScrollIndicator={false}
contentContainerStyle={styles.virtualizedModelListContent}
/>
);
}
return (
<View>
{header}
{rows.map((row) => (
<View key={row.favoriteKey}>{renderItem({ item: row })}</View>
))}
</View>
);
}
function ProviderErrorEmptyState({
providerId,
message,
onRetryProvider,
isRetryingProvider,
}: {
providerId: string;
message: string;
onRetryProvider?: (provider: AgentProvider) => void;
isRetryingProvider: boolean;
}) {
const { t } = useTranslation();
const handleRetry = useCallback(() => {
onRetryProvider?.(providerId);
}, [onRetryProvider, providerId]);
return (
<View style={styles.emptyState}>
<ThemedAlertTriangle size={ICON_SIZE.md} uniProps={foregroundMutedMapping} />
<Text style={styles.emptyStateText}>{message}</Text>
{onRetryProvider ? (
<Button variant="default" size="sm" onPress={handleRetry} disabled={isRetryingProvider}>
{isRetryingProvider ? t("modelSelector.retrying") : t("modelSelector.retry")}
</Button>
) : null}
</View>
);
}
function ModelSearchEmptyState() {
const { t } = useTranslation();
return (
<View style={styles.emptyState}>
<ThemedSearch size={ICON_SIZE.md} uniProps={foregroundMutedMapping} />
<Text style={styles.emptyStateText}>{t("modelSelector.noMatches")}</Text>
</View>
);
}
function ProviderModelBrowserContent({
view,
provider,
profiles,
selectedProvider,
selectedModel,
normalizedQuery,
onSelect,
onApplyProfile,
onEditProfiles,
onRetryProvider,
isRetryingProvider,
scrolling,
}: {
view: Extract<ModelBrowserView, { kind: "provider" }>;
provider: ProviderSelectorProvider | null;
profiles: AgentProfilePicker | null;
selectedProvider: string;
selectedModel: string;
normalizedQuery: string;
onSelect: (provider: string, modelId: string) => void;
onApplyProfile?: (profileId: string) => void;
onEditProfiles?: () => void;
onRetryProvider?: (provider: AgentProvider) => void;
isRetryingProvider: boolean;
scrolling: "sheet" | "independent";
}) {
const { t } = useTranslation();
const visibleRows = useMemo(
() => (provider ? filterAndRankModelRows(getProviderModelRows(provider), normalizedQuery) : []),
[normalizedQuery, provider],
);
const providerProfileRows = useMemo(
() => profiles?.rows.filter((row) => row.provider === view.providerId) ?? [],
[profiles, view.providerId],
);
const profileHeader = useMemo(
() =>
normalizedQuery.length === 0 && profiles ? (
<AgentProfilesPickerContent
rows={providerProfileRows}
onApplyProfile={onApplyProfile}
onEditProfiles={onEditProfiles}
/>
) : undefined,
[normalizedQuery, onApplyProfile, onEditProfiles, profiles, providerProfileRows],
);
if (!provider) return <ModelSearchEmptyState />;
const selection = provider.modelSelection;
if (selection.kind === "loading") {
return (
<View style={styles.emptyState}>
<View style={styles.rowSpinner}>
<ThemedLoadingSpinner size={ICON_SIZE.sm} uniProps={foregroundMutedMapping} />
</View>
<Text style={styles.emptyStateText}>{t("modelSelector.loadingShort")}</Text>
</View>
);
}
if (selection.kind === "error") {
return (
<ProviderErrorEmptyState
providerId={view.providerId}
message={selection.message}
onRetryProvider={onRetryProvider}
isRetryingProvider={isRetryingProvider}
/>
);
}
if (visibleRows.length === 0) {
return profileHeader ?? <ModelSearchEmptyState />;
}
return (
<ModelRowList
rows={visibleRows}
selectedProvider={selectedProvider}
selectedModel={selectedModel}
onSelect={onSelect}
header={profileHeader}
scrolling={scrolling}
/>
);
}
function ModelBrowserContent({
view,
providers,
selectedProvider,
selectedModel,
searchQuery,
isSearchFocused,
profiles,
onSelect,
onApplyProfile,
onEditProfiles,
onDrillDown,
onRetryProvider,
isRetryingProvider = false,
scrolling,
searchAllOnFocus,
rootBrowseContent,
}: ModelBrowserContentProps) {
const { t } = useTranslation();
const normalizedQuery = useMemo(() => normalizeSearchQuery(searchQuery), [searchQuery]);
const selectedViewProvider = useMemo(
() =>
view.kind === "provider"
? (providers.find((provider) => provider.id === view.providerId) ?? null)
: null,
[providers, view],
);
const allView = useMemo(
() =>
resolveModelBrowserAllView({
providers,
normalizedQuery,
isSearchFocused: searchAllOnFocus && isSearchFocused,
}),
[isSearchFocused, normalizedQuery, providers, searchAllOnFocus],
);
const hasResults = profiles !== null || providers.length > 0 || rootBrowseContent != null;
if (view.kind === "provider") {
return (
<ProviderModelBrowserContent
view={view}
provider={selectedViewProvider}
profiles={profiles}
selectedProvider={selectedProvider}
selectedModel={selectedModel}
normalizedQuery={normalizedQuery}
onSelect={onSelect}
onApplyProfile={onApplyProfile}
onEditProfiles={onEditProfiles}
onRetryProvider={onRetryProvider}
isRetryingProvider={isRetryingProvider}
scrolling={scrolling}
/>
);
}
if (allView.kind === "noSearchMatches") {
return (
<View style={styles.emptyState} testID="model-search-empty">
<ThemedSearch size={ICON_SIZE.md} uniProps={foregroundMutedMapping} />
<Text style={styles.emptyStateText}>
{t("modelSelector.noMatchesForQuery", { query: searchQuery.trim() })}
</Text>
</View>
);
}
if (allView.kind === "searchResults") {
return (
<ModelRowList
rows={allView.rows}
selectedProvider={selectedProvider}
selectedModel={selectedModel}
onSelect={onSelect}
showProviderLabel
scrolling={scrolling}
/>
);
}
const allProvidersContent = (
<View>
{profiles ? (
<AgentProfilesPickerContent
rows={profiles.rows}
onApplyProfile={onApplyProfile}
onEditProfiles={onEditProfiles}
/>
) : null}
{rootBrowseContent ??
(providers.length > 0 ? (
<View>
{profiles ? (
<View style={styles.sectionHeading}>
<Text style={styles.sectionHeadingText}>{t("modelSelector.providers")}</Text>
</View>
) : null}
<GroupedProviderRows providers={providers} onDrillDown={onDrillDown} />
</View>
) : null)}
{!hasResults ? <ModelSearchEmptyState /> : null}
</View>
);
return scrolling === "independent" ? (
<IndependentProviderList>{allProvidersContent}</IndependentProviderList>
) : (
allProvidersContent
);
}
export function ModelBrowser({
state,
onSelect,
onApplyProfile,
onEditProfiles,
onRetryProvider,
isRetryingProvider = false,
scrolling = "sheet",
searchAllOnFocus = false,
rootBrowseContent,
}: ModelBrowserProps) {
return (
<ModelBrowserContent
view={state.view}
providers={state.providers}
selectedProvider={state.selectedProvider}
selectedModel={state.selectedModel}
searchQuery={state.searchQuery}
isSearchFocused={state.isSearchFocused}
profiles={state.profiles}
onSelect={onSelect}
onApplyProfile={onApplyProfile}
onEditProfiles={onEditProfiles}
onDrillDown={state.drillDown}
onRetryProvider={onRetryProvider}
isRetryingProvider={isRetryingProvider}
scrolling={scrolling}
searchAllOnFocus={searchAllOnFocus}
rootBrowseContent={rootBrowseContent}
/>
);
}
const styles = StyleSheet.create((theme) => ({
headerActionRow: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[1],
},
profilesContainer: {
backgroundColor: theme.colors.surface1,
borderBottomWidth: 1,
borderBottomColor: theme.colors.border,
},
separator: {
height: 1,
backgroundColor: theme.colors.border,
},
sectionHeading: {
position: "relative",
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[2],
paddingHorizontal: isWeb ? theme.spacing[3] : theme.spacing[6],
paddingTop: theme.spacing[2],
paddingBottom: theme.spacing[1],
},
sectionHeadingAction: {
position: "absolute",
top: theme.spacing[1],
right: isWeb ? theme.spacing[3] : theme.spacing[6],
},
sectionHeadingText: {
flex: 1,
fontSize: theme.fontSize.sm,
fontWeight: theme.fontWeight.normal,
color: theme.colors.foregroundMuted,
},
browserRow: {
flexDirection: "row",
paddingVertical: theme.spacing[2],
minHeight: 36,
},
browserModelRow: isWeb ? {} : { marginBottom: theme.spacing[1] },
browserRowHovered: {
backgroundColor: theme.colors.surface1,
},
browserRowHoveredElevated: {
backgroundColor: theme.colors.surface2,
},
browserRowPressed: {
backgroundColor: theme.colors.surface1,
},
browserRowPressedElevated: {
backgroundColor: theme.colors.surface2,
},
browserRowContent: {
flex: 1,
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[2],
paddingHorizontal: isWeb ? theme.spacing[3] : theme.spacing[6],
},
browserRowLeading: {
width: 16,
alignItems: "center",
justifyContent: "center",
},
browserRowText: {
flex: 1,
flexShrink: 1,
},
browserRowTextInline: {
flexDirection: "row",
alignItems: "baseline",
gap: theme.spacing[2],
},
browserRowLabel: {
fontSize: theme.fontSize.base,
color: theme.colors.foreground,
flexShrink: 0,
},
browserRowLabelMuted: {
fontSize: theme.fontSize.base,
color: theme.colors.foregroundMuted,
flexShrink: 0,
},
browserRowDescription: {
fontSize: theme.fontSize.sm,
color: theme.colors.foregroundMuted,
flexShrink: 1,
},
browserRowTrailing: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[1],
marginLeft: "auto",
},
browserRowSelection: {
width: 16,
alignItems: "center",
justifyContent: "center",
},
drillDownTrailing: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[1],
},
drillDownCount: {
fontSize: theme.fontSize.sm,
color: theme.colors.foregroundMuted,
},
rowStateInline: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[1],
flexShrink: 1,
minWidth: 0,
},
rowIconButton: {
width: 24,
height: 24,
borderRadius: theme.borderRadius.full,
alignItems: "center",
justifyContent: "center",
},
rowSpinner: {
transform: [{ scale: 0.7 }],
},
rowIconButtonHovered: {
backgroundColor: theme.colors.surface2,
},
rowIconButtonPressed: {
backgroundColor: theme.colors.surface1,
},
emptyState: {
paddingVertical: theme.spacing[4],
alignItems: "center",
gap: theme.spacing[2],
},
emptyStateText: {
fontSize: theme.fontSize.base,
color: theme.colors.foregroundMuted,
},
tooltipText: {
fontSize: theme.fontSize.sm,
color: theme.colors.foreground,
},
virtualizedModelList: {
flex: 1,
},
virtualizedModelListContent: {
paddingTop: theme.spacing[1],
paddingBottom: theme.spacing[8],
},
virtualizedProviderListContent: {
paddingTop: 0,
},
providerIconMuted: {
color: theme.colors.foregroundMuted,
},
providerIconForeground: {
color: theme.colors.foreground,
},
}));