From b3a781b34e6f9bf9025b38f165ad18cb18dc5bad Mon Sep 17 00:00:00 2001
From: mkusaka <hinoshita1992@gmail.com>
Date: Sat, 28 Oct 2023 01:48:34 +0900
Subject: [PATCH] drop support slide={number} feature and remove whole ads from
 sites

---
 .gitignore    |   2 +
 README.md     |   5 +-
 content.ts    | 202 --------------------------------------------------
 manifest.json |   8 +-
 package.json  |   1 -
 rules.json    |  11 +++
 yarn.lock     |  19 -----
 7 files changed, 21 insertions(+), 227 deletions(-)
 create mode 100644 rules.json

diff --git a/.gitignore b/.gitignore
index e526aff..86ab6d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,3 +104,5 @@ dist
 .tern-port
 
 content.js
+
+_metadata
diff --git a/README.md b/README.md
index 02d3fed..c62fb87 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,7 @@ Chrome extension which provides a better slideshare experience
 
 ## features
 
-- remove ad in slide
-- hide special offer modal
-- add `slide={pageNumber}` format suffix & if you reload this page, current page will be shown again.
-- prefetch images
+- remove ad in whole site
 
 # chrome store
 
diff --git a/content.ts b/content.ts
index 929cbb1..c6700d5 100644
--- a/content.ts
+++ b/content.ts
@@ -1,206 +1,4 @@
-import { createBrowserHistory } from "history";
 import Cookies from "js-cookie";
 
-const history = createBrowserHistory();
-
-function getPropsData() {
-  const propsElement = document.getElementById("__NEXT_DATA__");
-  const propsJSON = JSON.parse(propsElement.innerHTML);
-  return propsJSON;
-}
-
-function seekIframeInfo() {
-  const iframeEmbed:
-    | {
-        height: number;
-        width: number;
-        url: string;
-      }
-    | undefined = getPropsData()?.props?.pageProps?.slideshow?.iframeEmbed;
-  if (!iframeEmbed) {
-    console.log("cannot find valid iframeEmbed");
-    return null;
-  }
-
-  return iframeEmbed;
-}
-
-function parseSlideParam() {
-  const { search } = history.location;
-  const slide = new URLSearchParams(search).get("slide");
-  if (typeof slide === "string") {
-    return parseInt(slide, 10);
-  }
-  return null;
-}
-
-function generateURL(url: string, slide: number) {
-  const parsedURL = new URL(url);
-  parsedURL.searchParams.set("startSlide", slide);
-  return parsedURL.toString();
-}
-
-function proxyClickEventToSlideIFrame(event: Event) {
-  const iframe = document.querySelector("#iframe-rfs");
-  const rect = iframe.getBoundingClientRect();
-  const x = event.clientX - rect.left;
-  const y = event.clientY - rect.top;
-
-  // Access to elements in iframe
-  const iframeDocument =
-    iframe.contentDocument || iframe.contentWindow.document;
-  const clickedElement = iframeDocument.elementFromPoint(x, y);
-  if (clickedElement) {
-    // Simulate click event
-    clickedElement.dispatchEvent(
-      new MouseEvent("click", {
-        bubbles: true,
-        cancelable: true,
-        view: iframe.contentWindow,
-      }),
-    );
-  }
-}
-
-function getSlideNumber() {
-  // parse slide params
-  const urlSearchParams = new URLSearchParams(window.location.search);
-  const slideNumber = urlSearchParams.get("slide");
-  if (slideNumber) {
-    return parseInt(slideNumber, 10);
-  }
-  return null;
-}
-
-function setSlideSearchParams(slideNumber: number, withDelete = false) {
-  // parse slide params
-  const urlSearchParams = new URLSearchParams(window.location.search);
-  if (withDelete) {
-    urlSearchParams.delete("slide");
-  } else {
-    urlSearchParams.set("slide", slideNumber);
-  }
-  return urlSearchParams;
-}
-
-function prefetchImages() {
-  const slideImages =
-    getPropsData()?.props?.pageProps?.slideshow?.slideImages || [];
-
-  const fragment = document.createDocumentFragment();
-  for (let i = 0; i < slideImages.length; i++) {
-    const link = document.createElement("link");
-    link.rel = "prefetch";
-    link.href = slideImages[i].webpSrcset.split(",").map(it => it.trim().split(" ")[0]).at(-1);
-    fragment.appendChild(link);
-  }
-
-  document.head.appendChild(fragment);
-}
-
-const container = document.getElementById("new-player");
-if (container) {
-  const iframeInfo = seekIframeInfo();
-  if (iframeInfo) {
-    const { url } = iframeInfo;
-    const slide = parseSlideParam();
-    const newURL = slide ? generateURL(url, slide) : url;
-    const { width, height } = container.getBoundingClientRect();
-    container.innerHTML = `<!-- Left overlay -->
-<div style="position: absolute; width: 20%; height: calc(100% - 50px); z-index: 1; cursor: url(/images/ssplayer/left-pointer.png) 25 25,auto;" id="left-overlay-rfs"></div>
-<!-- Right overlay -->
-<div style="position: absolute; top: 15%; right: 0; width: 20%; height: calc(100% - 15% - 50px); z-index: 1; cursor: url(/images/ssplayer/right-pointer.png) 25 25,auto;" id="right-overlay-rfs"></div>
-<iframe src="${newURL}" width="${width}" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%; aspect-ratio: ${width} / ${height};" allowfullscreen id="iframe-rfs">`;
-    const left = document.querySelector("#left-overlay-rfs");
-    left?.addEventListener("click", (event) => {
-      proxyClickEventToSlideIFrame(event);
-
-      // parse slide params
-      const urlSearchParams = new URLSearchParams(window.location.search);
-
-      const slideNumber = getSlideNumber();
-      let nextSlideNumber = 1;
-      if (slideNumber) {
-        nextSlideNumber = Math.max(slideNumber - 1, 1);
-      }
-      const url = new URL(window.location.href);
-      if (nextSlideNumber === 1) {
-        urlSearchParams.delete("slide");
-        url.search = urlSearchParams;
-      } else {
-        urlSearchParams.set("slide", nextSlideNumber);
-        url.search = urlSearchParams;
-      }
-      history.replace(url.toString());
-    });
-    document.addEventListener("keydown", (event) => {
-      if (event.key === "ArrowLeft") {
-        if (left) {
-          const rect = left.getBoundingClientRect();
-
-          const centerX = rect.left + rect.width / 2;
-          const centerY = rect.top + rect.height / 2;
-
-          const clickEvent = new MouseEvent("click", {
-            view: window,
-            bubbles: true,
-            cancelable: true,
-            clientX: centerX,
-            clientY: centerY,
-          });
-
-          left.dispatchEvent(clickEvent);
-        }
-      }
-    });
-    const right = document.querySelector("#right-overlay-rfs");
-    right?.addEventListener("click", (event) => {
-      proxyClickEventToSlideIFrame(event);
-
-      const totalSlides =
-        getPropsData()?.props?.pageProps?.slideshow?.totalSlides;
-
-      if (!totalSlides) {
-        console.log("cannot find total slides");
-        return;
-      }
-
-      // parse slide params
-      const urlSearchParams = new URLSearchParams(window.location.search);
-
-      const slideNumber = getSlideNumber();
-      let nextSlideNumber = 2;
-      if (slideNumber) {
-        nextSlideNumber = Math.min(slideNumber + 1, totalSlides);
-      }
-      const url = new URL(window.location.href);
-      urlSearchParams.set("slide", nextSlideNumber);
-      url.search = urlSearchParams;
-      history.replace(url.toString());
-    });
-    document.addEventListener("keydown", (event) => {
-      if (event.key === "ArrowRight") {
-        if (right) {
-          const rect = right.getBoundingClientRect();
-
-          const centerX = rect.left + rect.width / 2;
-          const centerY = rect.top + rect.height / 2;
-
-          const clickEvent = new MouseEvent("click", {
-            view: window,
-            bubbles: true,
-            cancelable: true,
-            clientX: centerX,
-            clientY: centerY,
-          });
-
-          right.dispatchEvent(clickEvent);
-        }
-      }
-    });
-  }
-}
-
 // hide modal ads as default
 Cookies.set("scribd_ad_exit_slideshow_page", true);
-prefetchImages();
diff --git a/manifest.json b/manifest.json
index 240de4e..e25e6d2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -9,5 +9,11 @@
       "js": ["content.js"]
     }
   ],
-  "host_permissions": ["https://www.slideshare.net/*"]
+  "host_permissions": ["https://www.slideshare.net/*"],
+  "permissions": ["declarativeNetRequest"],
+  "declarative_net_request": {
+    "rule_resources": [
+      { "id": "rules1", "path": "rules.json", "enabled": true }
+    ]
+  }
 }
diff --git a/package.json b/package.json
index 1cd0e98..043b8af 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,6 @@
     "watch": "esbuild content.ts --bundle --target=chrome100 --watch --outfile=content.js"
   },
   "dependencies": {
-    "history": "^5.3.0",
     "js-cookie": "^3.0.5"
   }
 }
diff --git a/rules.json b/rules.json
new file mode 100644
index 0000000..a3b9461
--- /dev/null
+++ b/rules.json
@@ -0,0 +1,11 @@
+[
+  {
+    "id": 1,
+    "priority": 1,
+    "action": { "type": "block" },
+    "condition": {
+      "urlFilter": "*://a.pub.network/*",
+      "resourceTypes": ["script"]
+    }
+  }
+]
diff --git a/yarn.lock b/yarn.lock
index d2362b2..6894c5e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,13 +2,6 @@
 # yarn lockfile v1
 
 
-"@babel/runtime@^7.7.6":
-  version "7.23.2"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.23.2.tgz#062b0ac103261d68a966c4c7baf2ae3e62ec3885"
-  integrity sha512-mM8eg4yl5D6i3lu2QKPuPH4FArvJ8KhTofbE7jwMUv9KX5mBvwPAqnV3MlyBNqdp9RyRKP6Yck8TrfYrPvX3bg==
-  dependencies:
-    regenerator-runtime "^0.14.0"
-
 "@esbuild/android-arm64@0.19.5":
   version "0.19.5"
   resolved "https://registry.yarnpkg.com/@esbuild/android-arm64/-/android-arm64-0.19.5.tgz#276c5f99604054d3dbb733577e09adae944baa90"
@@ -177,13 +170,6 @@ esbuild@^0.19.5:
     "@esbuild/win32-ia32" "0.19.5"
     "@esbuild/win32-x64" "0.19.5"
 
-history@^5.3.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/history/-/history-5.3.0.tgz#1548abaa245ba47992f063a0783db91ef201c73b"
-  integrity sha512-ZqaKwjjrAYUYfLG+htGaIIZ4nioX2L70ZUMIFysS3xvBsSG4x/n1V6TXV3N8ZYNuFGlDirFg32T7B6WOUPDYcQ==
-  dependencies:
-    "@babel/runtime" "^7.7.6"
-
 js-cookie@^3.0.5:
   version "3.0.5"
   resolved "https://registry.yarnpkg.com/js-cookie/-/js-cookie-3.0.5.tgz#0b7e2fd0c01552c58ba86e0841f94dc2557dcdbc"
@@ -193,8 +179,3 @@ prettier@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.0.3.tgz#432a51f7ba422d1469096c0fdc28e235db8f9643"
   integrity sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==
-
-regenerator-runtime@^0.14.0:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.14.0.tgz#5e19d68eb12d486f797e15a3c6a918f7cec5eb45"
-  integrity sha512-srw17NI0TUWHuGa5CFGGmhfNIeja30WMBfbslPNhf6JrqQlLN5gcrvig1oqPxiVaXb0oW0XRKtH6Nngs5lKCIA==