Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | 1x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 6x 6x 6x 5x 5x 1x 4x 2x 2x 2x 1x 1x 1x 1x 12x 5x 5x 5x 4x 4x 4x 1x 3x 2x 2x 2x 1x 1x 1x 1x 12x | import { useRef } from "react";
import { launchImageLibrary } from "react-native-image-picker";
import { Alert, TextInput } from "react-native";
import { useChatActionsSelector, useChatStateSelector } from "@/contexts/ChatContext";
import { exceedsImageDataUrlLimit } from "@/utils/imageData";
import { requestCameraPermission, requestPhotoLibraryPermission } from "@/utils/permissions";
export const useChatBox = () => {
const messages = useChatStateSelector((s) => s.messages);
const isStreaming = useChatStateSelector((s) => s.isStreaming);
const isInitializing = useChatStateSelector((s) => s.isInitializing);
const initError = useChatStateSelector((s) => s.initError);
const processingActionIds = useChatStateSelector((s) => s.processingActionIds);
const selectedImage = useChatStateSelector((s) => s.selectedImage);
const userName = useChatStateSelector((s) => s.userName);
const setSelectedImage = useChatActionsSelector((a) => a.setSelectedImage);
const onSend = useChatActionsSelector((a) => a.onSend);
const onReset = useChatActionsSelector((a) => a.onReset);
const handleCancel = useChatActionsSelector((a) => a.handleCancel);
const handleAction = useChatActionsSelector((a) => a.handleAction);
const initThread = useChatActionsSelector((a) => a.initThread);
const inputRef = useRef<TextInput>(null);
const handlePickImage = async () => {
try {
const hasPermission = await requestPhotoLibraryPermission();
if (!hasPermission) return;
const result = await launchImageLibrary({
mediaType: "photo",
quality: 0.8,
maxWidth: 512,
maxHeight: 512,
includeBase64: true,
});
if (result.errorCode) {
throw new Error(result.errorMessage || result.errorCode);
}
if (result.didCancel || !result.assets?.[0]?.uri) return;
const asset = result.assets[0];
const candidate = {
uri: asset.uri!,
fileName: asset.fileName,
type: asset.type,
base64: asset.base64,
};
if (exceedsImageDataUrlLimit(candidate)) {
Alert.alert(
"Image Size Limit Exceeded",
"This image is too large even after resizing. Please choose a smaller image.",
);
return;
}
setSelectedImage(candidate);
} catch (error) {
console.error("Failed to pick image", error);
}
};
const handleLaunchCamera = async () => {
try {
const hasPermission = await requestCameraPermission();
if (!hasPermission) return;
const { launchCamera } = await import("react-native-image-picker");
const result = await launchCamera({
mediaType: "photo",
quality: 0.7,
maxWidth: 512,
maxHeight: 512,
saveToPhotos: false,
presentationStyle: "fullScreen",
includeBase64: true,
});
if (result.errorCode) {
throw new Error(result.errorMessage || result.errorCode);
}
if (result.didCancel || !result.assets?.[0]?.uri) return;
const asset = result.assets[0];
const candidate = {
uri: asset.uri!,
fileName: asset.fileName,
type: asset.type,
base64: asset.base64,
};
if (exceedsImageDataUrlLimit(candidate)) {
Alert.alert(
"Image Size Limit Exceeded",
"This image is too large even after resizing. Please take another picture.",
);
return;
}
setSelectedImage(candidate);
} catch (error) {
console.error("Failed to launch camera", error);
}
};
return {
messages,
isStreaming,
isInitializing,
initError,
processingActionIds,
selectedImage,
setSelectedImage,
inputRef,
handlePickImage,
handleLaunchCamera,
onSend,
onReset,
handleCancel,
handleAction,
initThread,
userName,
};
};
|