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background.js
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141 lines (116 loc) · 3.16 KB
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import reducers from './reducers.js';
import {
addTab,
addRequest,
setRequestComplete,
addScrapedData,
resetTab,
} from './actions.js';
const store = window.Redux.createStore(reducers);
window._store = store;
let _storeUnsubscribe = null;
const registerToStoreChanges = (store, onChange) => {
let currentState = store.getState();
return store.subscribe(() => {
const newState = store.getState();
if (newState !== currentState) {
const prevState = currentState;
currentState = newState;
onChange(newState, prevState);
}
});
};
const networkFilter = {
urls: ["<all_urls>"],
types: ["image"]
};
const onImageInfo = (request, sender, sendResponse) =>{
const tabId = sender.tab.id
if (store.getState() === {}) {
addTab(tabId)
}
store.dispatch(addScrapedData(request.data, tabId));
const state = store.getState();
const tab = state[tabId]
const req = tab.find(i => i.url === request.data.src)
sendResponse({type: 'image-data', data: req});
};
const onGetState = (request, sender, sendResponse) => {
const tabId = sender.tab.id,
state = store.getState();
sendResponse({type: "state", data: state[tabId]});
};
const messageListeners = {
"image-info": onImageInfo,
"get-state": onGetState,
};
chrome.runtime.onMessage.addListener(
function (request, sender, sendResponse) {
if (request.type && messageListeners[request.type]){
messageListeners[request.type](request, sender, sendResponse);
}
}
);
chrome.webRequest.onBeforeRequest.addListener(
(request) => {
store.dispatch(addRequest(request));
}, networkFilter);
chrome.webRequest.onCompleted.addListener(
(request) => {
store.dispatch(setRequestComplete(request));
}, networkFilter, ["responseHeaders"]);
chrome.webRequest.onErrorOccurred.addListener(
(request) => {
store.dispatch(addRequest(request, true));
}, networkFilter);
// chrome.tabs.onActivated.addListener((tab) => {
// const tabId = tab ? tab.tabId : chrome.tabs.TAB_ID_NONE;
// chrome.storage.local.set({tabId: tabId});
// store.dispatch(addTab(tabId));
//
//
// });
chrome.tabs.onUpdated.addListener((tabId, changeInfo) => {
if (changeInfo.status === "loading"){
// store.dispatch(addTab(tabId));
store.dispatch(resetTab(tabId));
}
if (_storeUnsubscribe ){
_storeUnsubscribe();
}
_storeUnsubscribe = registerToStoreChanges(store, (next,prev) => {
if (tabId !== chrome.tabs.TAB_ID_NONE){
if (next[tabId].length) {
const newData = next[tabId].filter((imgData, i) =>
(!prev[tabId][i] || imgData !== prev[tabId][i]));
if (newData.length) {
chrome.tabs.sendMessage(tabId, {
type: "updated-images",
data: newData
});
}
}
}
// chrome.tabs.query({active: true, currentWindow: true}, function (tabs) {
// if (tabs.length){
//
// }
// const tabId = tabs[0].id;
// const state = store.getState();
// const tab = state[tabId]
// const req = tab.find(i => i.url ===)
//
// if (tab) {
// chrome.tabs.sendMessage(tabId, {
// type: 'requestUpdated',
// data: req
// }, function (response) {
// // console.log(response.farewell);
// });
// }
// });
});
// if (changeInfo.status === 'complete') {
// store.dispatch(resetTab(tabId));
// }
});