hackclub · lagofernan · Mar 19, 2025 · Mar 19, 2025 · Mar 19, 2025 · Mar 19, 2025
diff --git a/submissions/Zoom in or out Tool/content.js b/submissions/Zoom in or out Tool/content.js
@@ -0,0 +1,81 @@
+let zoomLevel = 100;
+let zoomStyle = null;
+
+// Listen for messages from the popup
+chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
+  if (request.action === "getZoom") {
+    sendResponse({zoom: zoomLevel});
+  } else if (request.action === "setZoom") {
+    zoomLevel = request.zoom;
+    applyZoom();
+    sendResponse({success: true});
+  } else if (request.action === "fitWidth") {
+    fitToWidth();
+    sendResponse({success: true});
+  }
+  return true;
+});
+
+// Apply zoom to the page
+function applyZoom() {
+  if (!zoomStyle) {
+    zoomStyle = document.createElement('style');
+    document.head.appendChild(zoomStyle);
+  }
+
+  zoomStyle.textContent = `
+    html, body {
+      zoom: ${zoomLevel}% !important;
+      -moz-transform: scale(${zoomLevel/100}) !important;
+      -moz-transform-origin: 0 0 !important;
+    }
+  `;
+}
+
+// Fit page to width
+function fitToWidth() {
+  const viewportWidth = window.innerWidth;
+  const pageWidth = document.documentElement.scrollWidth;
+  const ratio = viewportWidth / pageWidth;
+  zoomLevel = Math.round(ratio * 100);
+  zoomLevel = Math.max(25, Math.min(400, zoomLevel)); // Limit between 25% and 400%
+  applyZoom();
+
+  // Update popup if it's open
+  chrome.runtime.sendMessage({action: "updateZoom", zoom: zoomLevel});
+}
+
+// Initialize zoom
+// Check if we should use a saved zoom level
+chrome.storage.sync.get(['rememberZoom'], function(result) {
+  if (result.rememberZoom) {
+    const hostname = window.location.hostname;
+    chrome.storage.sync.get([hostname], function(data) {
+      if (data[hostname]) {
+        zoomLevel = data[hostname];
+        applyZoom();
+      }
+    });
+  }
+});
+
+// Listen for keyboard shortcuts
+document.addEventListener('keydown', function(e) {
+  // Ctrl + Plus: Zoom In
+  if (e.ctrlKey && e.key === '+') {
+    zoomLevel += 10;
+    zoomLevel = Math.min(400, zoomLevel);
+    applyZoom();
+  }
+  // Ctrl + Minus: Zoom Out
+  else if (e.ctrlKey && e.key === '-') {
+    zoomLevel -= 10;
+    zoomLevel = Math.max(25, zoomLevel);
+    applyZoom();
+  }
+  // Ctrl + 0: Reset Zoom
+  else if (e.ctrlKey && e.key === '0') {
+    zoomLevel = 100;
+    applyZoom();
+  }
+});
diff --git a/submissions/Zoom in or out Tool/images/icon128.png b/submissions/Zoom in or out Tool/images/icon128.png
diff --git a/submissions/Zoom in or out Tool/images/icon16.png b/submissions/Zoom in or out Tool/images/icon16.png
diff --git a/submissions/Zoom in or out Tool/images/icon48.png b/submissions/Zoom in or out Tool/images/icon48.png
diff --git a/submissions/Zoom in or out Tool/manifest.json b/submissions/Zoom in or out Tool/manifest.json
@@ -0,0 +1,27 @@
+{
+  "manifest_version": 3,
+  "name": "Zoom Helper",
+  "version": "1.0",
+  "description": "A simple extension to help users zoom in and out of web pages",
+  "permissions": ["activeTab", "storage"],
+  "action": {
+    "default_popup": "popup.html",
+    "default_icon": {
+      "16": "images/icon16.png",
+      "48": "images/icon48.png",
+      "128": "images/icon128.png"
+    }
+  },
+  "icons": {
+    "16": "images/icon16.png",
+    "48": "images/icon48.png",
+    "128": "images/icon128.png"
+  },
+  "content_scripts": [
+    {
+      "matches": ["<all_urls>"],
+      "js": ["content.js"],
+      "css": ["styles.css"]
+    }
+  ]
+}
diff --git a/submissions/Zoom in or out Tool/popup.css b/submissions/Zoom in or out Tool/popup.css
@@ -0,0 +1,65 @@
+body {
+  width: 300px;
+  padding: 15px;
+  font-family: Arial, sans-serif;
+}
+
+.container {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+h1 {
+  margin: 0;
+  text-align: center;
+  font-size: 18px;
+}
+
+h2 {
+  margin: 0;
+  font-size: 14px;
+}
+
+.zoom-controls {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.zoom-controls button {
+  width: 40px;
+  height: 40px;
+  font-size: 20px;
+  cursor: pointer;
+}
+
+#zoom-level {
+  font-size: 16px;
+  font-weight: bold;
+}
+
+.preset-buttons {
+  display: flex;
+  gap: 10px;
+}
+
+.preset-buttons button {
+  flex: 1;
+  padding: 8px;
+  cursor: pointer;
+}
+
+.options {
+  margin-top: 10px;
+}
+
+.keyboard-shortcuts {
+  margin-top: 10px;
+  font-size: 12px;
+}
+
+.keyboard-shortcuts ul {
+  margin: 5px 0 0 0;
+  padding-left: 20px;
+}
diff --git a/submissions/Zoom in or out Tool/popup.html b/submissions/Zoom in or out Tool/popup.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Zoom Helper</title>
+  <link rel="stylesheet" href="popup.css">
+</head>
+<body>
+  <div class="container">
+    <h1>Zoom Helper</h1>
+    <div class="zoom-controls">
+      <button id="zoom-out">-</button>
+      <span id="zoom-level">100%</span>
+      <button id="zoom-in">+</button>
+    </div>
+    <div class="preset-buttons">
+      <button id="reset-zoom">Reset</button>
+      <button id="fit-width">Fit Width</button>
+    </div>
+    <div class="options">
+      <label>
+        <input type="checkbox" id="remember-zoom">
+        Remember zoom level per site
+      </label>
+    </div>
+    <div class="keyboard-shortcuts">
+      <h2>Keyboard Shortcuts</h2>
+      <ul>
+        <li>Zoom In: Ctrl + +</li>
+        <li>Zoom Out: Ctrl + -</li>
+        <li>Reset: Ctrl + 0</li>
+      </ul>
+    </div>
+  </div>
+  <script src="popup.js"></script>
+</body>
+</html>
diff --git a/submissions/Zoom in or out Tool/popup.js b/submissions/Zoom in or out Tool/popup.js
@@ -0,0 +1,100 @@
+document.addEventListener('DOMContentLoaded', function() {
+  const zoomInButton = document.getElementById('zoom-in');
+  const zoomOutButton = document.getElementById('zoom-out');
+  const resetButton = document.getElementById('reset-zoom');
+  const fitWidthButton = document.getElementById('fit-width');
+  const zoomLevelDisplay = document.getElementById('zoom-level');
+  const rememberZoomCheckbox = document.getElementById('remember-zoom');
+
+  let currentZoom = 100;
+  let rememberZoom = false;
+
+  // Load saved settings
+  chrome.storage.sync.get(['rememberZoom'], function(result) {
+    rememberZoom = result.rememberZoom || false;
+    rememberZoomCheckbox.checked = rememberZoom;
+  });
+
+  // Get current tab's zoom level
+  chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
+    if (tabs[0]) {
+      const tabId = tabs[0].id;
+      const url = new URL(tabs[0].url).hostname;
+
+      if (rememberZoom) {
+        chrome.storage.sync.get([url], function(result) {
+          if (result[url]) {
+            currentZoom = result[url];
+            zoomLevelDisplay.textContent = `${currentZoom}%`;
+          }
+        });
+      }
+
+      // Send message to content script to get current zoom
+      chrome.tabs.sendMessage(tabId, {action: "getZoom"}, function(response) {
+        if (response && response.zoom) {
+          currentZoom = response.zoom;
+          zoomLevelDisplay.textContent = `${currentZoom}%`;
+        }
+      });
+    }
+  });
+
+  // Zoom in
+  zoomInButton.addEventListener('click', function() {
+    changeZoom(10);
+  });
+
+  // Zoom out
+  zoomOutButton.addEventListener('click', function() {
+    changeZoom(-10);
+  });
+
+  // Reset zoom
+  resetButton.addEventListener('click', function() {
+    setZoom(100);
+  });
+
+  // Fit width
+  fitWidthButton.addEventListener('click', function() {
+    chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
+      if (tabs[0]) {
+        chrome.tabs.sendMessage(tabs[0].id, {action: "fitWidth"});
+      }
+    });
+  });
+
+  // Remember zoom checkbox
+  rememberZoomCheckbox.addEventListener('change', function() {
+    rememberZoom = this.checked;
+    chrome.storage.sync.set({rememberZoom: rememberZoom});
+  });
+
+  // Change zoom by a relative amount
+  function changeZoom(amount) {
+    currentZoom += amount;
+    currentZoom = Math.max(25, Math.min(400, currentZoom)); // Limit between 25% and 400%
+    setZoom(currentZoom);
+  }
+
+  // Set zoom to a specific level
+  function setZoom(level) {
+    currentZoom = level;
+    zoomLevelDisplay.textContent = `${currentZoom}%`;
+
+    chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
+      if (tabs[0]) {
+        const tabId = tabs[0].id;
+        const url = new URL(tabs[0].url).hostname;
+
+        chrome.tabs.sendMessage(tabId, {action: "setZoom", zoom: currentZoom});
+
+        if (rememberZoom) {
+          let data = {};
+          data[url] = currentZoom;
+          chrome.storage.sync.set(data);
+        }
+      }
+    });
+  }
+});
diff --git a/submissions/Zoom in or out Tool/readme.md b/submissions/Zoom in or out Tool/readme.md
@@ -0,0 +1,7 @@
+- Simple popup interface with zoom in/out buttons
+- Current zoom level display
+- "Reset" and "Fit Width" options
+- Option to remember zoom settings per website
+- Keyboard shortcuts (Ctrl+Plus, Ctrl+Minus, Ctrl+0)
+- Works on all websites
+- Zoom range from 25% to 400%
diff --git a/submissions/Zoom in or out Tool/styles.css b/submissions/Zoom in or out Tool/styles.css
@@ -0,0 +1,24 @@
+.zoom-helper-controls {
+  position: fixed;
+  bottom: 20px;
+  right: 20px;
+  background: rgba(255, 255, 255, 0.8);
+  border-radius: 5px;
+  padding: 5px;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  z-index: 9999;
+  display: flex;
+  align-items: center;
+}
+
+.zoom-helper-controls button {
+  width: 30px;
+  height: 30px;
+  margin: 0 5px;
+  cursor: pointer;
+}
+
+.zoom-helper-controls span {
+  margin: 0 5px;
+  font-weight: bold;
+}