Arne's examples of two approaches to showing a page action:

* for particular URLs (chrome.tabs.onUpdated) * for particular page content (content script) TEST=none BUG=34694 Review URL: http://codereview.chromium.org/561087 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@38264 0039d316-1c4b-4281-b951-d872f2087c98
cbchan · Feb 5, 2010 · f3f0c05 · f3f0c05
1 parent 37e4c90
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diff --git a/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_content/background.html b/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_content/background.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<!--
+ * Copyright (c) 2010 The Chromium Authors. All rights reserved.  Use of this
+ * source code is governed by a BSD-style license that can be found in the
+ * LICENSE file.
+-->
+<html>
+  <head>
+    <script>
+      // Called when a message is passed.  We assume that the content script
+      // wants to show the page action.
+      function onRequest(request, sender, sendResponse) {
+        // Show the page action for the tab that the sender (content script)
+        // was on.
+        chrome.pageAction.show(sender.tab.id);
+
+        // Return nothing to let the connection be cleaned up.
+        sendResponse({});
+      };
+
+      // Listen for the content script to send a message to the background page.
+      chrome.extension.onRequest.addListener(onRequest);
+    </script>
+  </head>
+</html>
diff --git a/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_content/contentscript.js b/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_content/contentscript.js
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2010 The Chromium Authors. All rights reserved.  Use of this
+ * source code is governed by a BSD-style license that can be found in the
+ * LICENSE file.
+ */
+var regex = /sandwich/;
+
+// Test the text of the body element against our regular expression.
+if (regex.test(document.body.innerText)) {
+  // The regular expression produced a match, so notify the background page.
+  chrome.extension.sendRequest({}, function(response) {});
+} else {
+  // No match was found.
+}
diff --git a/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_content/manifest.json b/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_content/manifest.json
@@ -0,0 +1,26 @@
+{
+  "name" : "Page action by content",
+  "version" : "1.0",
+  "description" : "Shows a page action for HTML pages containing the word 'sandwich'",
+  "background_page" : "background.html",
+  "page_action" :
+  {
+    "default_icon" : "sandwich-19.png",
+    "default_title" : "There's a 'sandwich' in this page!"
+  },
+  "content_scripts" : [
+    {
+      "matches" : [
+        "http://*/*",
+        "https://*/*"
+      ],
+      "js" : ["contentscript.js"],
+      "run_at" : "document_idle",
+      "all_frames" : false
+    }
+  ],
+  "icons" : {
+    "48" : "sandwich-48.png",
+    "128" : "sandwich-128.png"
+  }
+}
diff --git a/.../extensions/docs/examples/api/pageAction/pageaction_by_content/sandwich-128.png b/.../extensions/docs/examples/api/pageAction/pageaction_by_content/sandwich-128.png
diff --git a/...n/extensions/docs/examples/api/pageAction/pageaction_by_content/sandwich-19.png b/...n/extensions/docs/examples/api/pageAction/pageaction_by_content/sandwich-19.png
diff --git a/...n/extensions/docs/examples/api/pageAction/pageaction_by_content/sandwich-48.png b/...n/extensions/docs/examples/api/pageAction/pageaction_by_content/sandwich-48.png
diff --git a/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_url/background.html b/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_url/background.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!--
+ * Copyright (c) 2010 The Chromium Authors. All rights reserved.  Use of this
+ * source code is governed by a BSD-style license that can be found in the
+ * LICENSE file.
+-->
+<html>
+  <head>
+    <script>
+      // Called when the url of a tab changes.
+      function checkForValidUrl(tabId, changeInfo, tab) {
+        // If the letter 'g' is found in the tab's URL...
+        if (tab.url.indexOf('g') > -1) {
+          // ... show the page action.
+          chrome.pageAction.show(tabId);
+        }
+      };
+
+      // Listen for any changes to the URL of any tab.
+      chrome.tabs.onUpdated.addListener(checkForValidUrl);
+    </script>
+  </head>
+</html>
diff --git a/...e/common/extensions/docs/examples/api/pageAction/pageaction_by_url/icon-128.png b/...e/common/extensions/docs/examples/api/pageAction/pageaction_by_url/icon-128.png
diff --git a/...me/common/extensions/docs/examples/api/pageAction/pageaction_by_url/icon-19.png b/...me/common/extensions/docs/examples/api/pageAction/pageaction_by_url/icon-19.png
diff --git a/...me/common/extensions/docs/examples/api/pageAction/pageaction_by_url/icon-48.png b/...me/common/extensions/docs/examples/api/pageAction/pageaction_by_url/icon-48.png
diff --git a/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_url/manifest.json b/chrome/common/extensions/docs/examples/api/pageAction/pageaction_by_url/manifest.json
@@ -0,0 +1,18 @@
+{
+  "name": "Page action by URL",
+  "version": "1.0",
+  "description": "Shows a page action for urls which have the letter 'g' in them.",
+  "background_page": "background.html",
+  "page_action" :
+  {
+    "default_icon" : "icon-19.png",
+    "default_title" : "There's a 'G' in this URL!"
+  },
+  "permissions" : [
+    "tabs"
+  ],
+  "icons" : {
+    "48" : "icon-48.png",
+    "128" : "icon-128.png"
+  }
+}