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Merge pull request #4006 from Rob--W/crx-url-in-pageaction

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[CRX] Add a pageAction to omnibox showing PDF URL
This commit is contained in:
Brendan Dahl 2013-12-17 11:33:29 -08:00
commit 58407cfa94
8 changed files with 137 additions and 8 deletions
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68
extensions/chromium/extension-router.js
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@ -22,6 +22,55 @@ limitations under the License.
var VIEWER_URL = chrome.extension.getURL('content/web/viewer.html');
var CRX_BASE_URL = chrome.extension.getURL('/');
/**
* @param {string} url The URL prefixed with chrome-extension://.../
* @return {string|undefined} The percent-encoded URL of the (PDF) file.
*/
function parseExtensionURL(url) {
url = url.substring(CRX_BASE_URL.length);
var matchingUrl = /^(?:https?|file|ftp|chrome-extension)(:|%3A)/i.exec(url);
if (matchingUrl) {
url = url.split('#')[0];
if (matchingUrl[1] === ':') {
url = encodeURIComponent(url);
}
return url;
}
}
/**
* @param {string} url URL of PDF Viewer.
* @return {string|undefined} The percent-encoded URL of the (PDF) file.
*/
function parseViewerURL(url) {
if (url.lastIndexOf(VIEWER_URL, 0) !== 0) {
// Does not even start with the correct URL. Bye!
return;
}
url = url.match(/[&?]file=([^&#]+)/);
if (url) {
url = url[1];
return url;
}
}
/**
* @param {number} tabId ID of tab where the page action will be shown
* @param {string} url URL to be displayed in page action
*/
function showPageAction(tabId, displayUrl) {
var url = parseExtensionURL(displayUrl) || parseViewerURL(displayUrl);
if (url) {
chrome.pageAction.setPopup({
tabId: tabId,
popup: 'pageActionPopup.html?file=' + url
});
chrome.pageAction.show(tabId);
} else {
console.log('Unable to get PDF url from ' + displayUrl);
}
}
// TODO(rob): Use declarativeWebRequest once declared URL-encoding is
// supported, see http://crbug.com/273589
// (or rewrite the query string parser in viewer.js to get it to
@ -29,14 +78,8 @@ limitations under the License.
chrome.webRequest.onBeforeRequest.addListener(function(details) {
// This listener converts chrome-extension://.../http://...pdf to
// chrome-extension://.../content/web/viewer.html?file=http%3A%2F%2F...pdf
var url = details.url.substring(CRX_BASE_URL.length);
var matchingUrl = /^(?:https?|file|ftp|chrome-extension)(:|%3A)/.exec(url);
if (matchingUrl) {
// location.hash is restored when "#" is missing from URL.
url = url.split('#')[0];
if (matchingUrl[1] === ':') {
url = encodeURIComponent(url);
}
var url = parseExtensionURL(details.url);
if (url) {
url = VIEWER_URL + '?file=' + url;
console.log('Redirecting ' + details.url + ' to ' + url);
return { redirectUrl: url };
@ -51,6 +94,15 @@ limitations under the License.
]
}, ['blocking']);
chrome.runtime.onMessage.addListener(function(message, sender) {
if (message === 'showPageAction' && sender.tab) {
if (sender.tab.url === sender.url) {
// Only respond to messages from the top-level frame
showPageAction(sender.tab.id, sender.url);
}
}
});
// When session restore is used, viewer pages may be loaded before the
// webRequest event listener is attached (= page not found).
// Reload these tabs.

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8
extensions/chromium/manifest.json
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@ -21,6 +21,14 @@
"background": {
"page": "pdfHandler.html"
},
"page_action": {
"default_icon": {
"19": "icon19.png",
"38": "icon38.png"
},
"default_title": "Show PDF URL",
"default_popup": "pageActionPopup.html"
},
"incognito": "split",
"web_accessible_resources": [
"getFrameId",

43
extensions/chromium/pageActionPopup.html Normal file
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@ -0,0 +1,43 @@
<!doctype html>
<!--
Copyright 2012 Mozilla Foundation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!DOCTYPE html>
<head>
<title></title>
<style>
html {
/* maximum width of popup as defined in Chromium's source code as kMaxWidth
//src/chrome/browser/ui/views/extensions/extension_popup.cc
//src/chrome/browser/ui/gtk/extensions/extension_popup_gtk.cc
*/
width: 800px;
/* in case Chromium decides to lower the value of kMaxWidth */
max-width: 100%;
margin: 0;
padding: 0;
}
body {
box-sizing: border-box;
margin: 0;
padding: 5px;
width: 100%;
}
</style>
</head>
<body contentEditable="plaintext-only">
<script src="pageActionPopup.js"></script>
</body>
</html>

22
extensions/chromium/pageActionPopup.js Normal file
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@ -0,0 +1,22 @@
/* Copyright 2012 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var url = location.search.match(/[&?]file=([^&]+)/i);
if (url) {
url = decodeURIComponent(url[1]);
document.body.textContent = url;
// Set cursor to end of the content-editable section.
getSelection().selectAllChildren(document.body);
getSelection().collapseToEnd();
}

3
web/pdf_history.js
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@ -143,6 +143,9 @@ var PDFHistory = {
window.history.pushState(stateObj, '', document.URL);
//#else
// window.history.pushState(stateObj, '');
//#endif
//#if CHROME
// chrome.runtime.sendMessage('showPageAction');
//#endif
}
},

1
web/viewer.js
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@ -1530,6 +1530,7 @@ var DocumentOutlineView = function documentOutlineView(outline) {
// // Example: chrome-extension://.../http://example.com/file.pdf
// var humanReadableUrl = '/' + DEFAULT_URL + location.hash;
// history.replaceState(history.state, '', humanReadableUrl);
// chrome.runtime.sendMessage('showPageAction');
// }
//})();
//#endif