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Making extensions/chromium/pdfHandler-vcros.js adhere to the style guide

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Tim van der Meij 2014-03-09 22:56:38 +01:00
parent ad623ffbb2
commit 8ec46e6413
1 changed files with 66 additions and 67 deletions
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133
extensions/chromium/pdfHandler-vcros.js
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@ -18,78 +18,77 @@ limitations under the License.
/* globals chrome, getViewerURL */
(function() {
'use strict';
'use strict';
if (!chrome.fileBrowserHandler) {
// Not on Chromium OS, bail out
return;
}
chrome.fileBrowserHandler.onExecute.addListener(onExecuteFileBrowserHandler);
/**
* Invoked when "Open with PDF Viewer" is chosen in the File browser.
*
* @param {String} id File browser action ID as specified in manifest.json
* @param {Object} details Object of type FileHandlerExecuteEventDetails
*/
function onExecuteFileBrowserHandler(id, details) {
if (id !== 'open-as-pdf') {
if (!chrome.fileBrowserHandler) {
// Not on Chromium OS, bail out
return;
}
var fileEntries = details.entries;
// "tab_id" is the currently documented format, but it is inconsistent with
// the other Chrome APIs that use "tabId" (http://crbug.com/179767)
var tabId = details.tab_id || details.tabId;
if (tabId > 0) {
chrome.tabs.get(tabId, function(tab) {
openViewer(tab && tab.windowId, fileEntries);
});
} else {
// Re-use existing window, if available.
chrome.windows.getLastFocused(function(chromeWindow) {
var windowId = chromeWindow && chromeWindow.id;
if (windowId) {
chrome.windows.update(windowId, { focused: true });
}
openViewer(windowId, fileEntries);
});
}
}
chrome.fileBrowserHandler.onExecute.addListener(onExecuteFileBrowserHandler);
/**
* Open the PDF Viewer for the given list of PDF files.
*
* @param {number} windowId
* @param {Array} fileEntries List of Entry objects (HTML5 FileSystem API)
*/
function openViewer(windowId, fileEntries) {
if (!fileEntries.length) {
return;
/**
* Invoked when "Open with PDF Viewer" is chosen in the File browser.
*
* @param {String} id File browser action ID as specified in manifest.json
* @param {Object} details Object of type FileHandlerExecuteEventDetails
*/
function onExecuteFileBrowserHandler(id, details) {
if (id !== 'open-as-pdf') {
return;
}
var fileEntries = details.entries;
// "tab_id" is the currently documented format, but it is inconsistent with
// the other Chrome APIs that use "tabId" (http://crbug.com/179767)
var tabId = details.tab_id || details.tabId;
if (tabId > 0) {
chrome.tabs.get(tabId, function(tab) {
openViewer(tab && tab.windowId, fileEntries);
});
} else {
// Re-use existing window, if available.
chrome.windows.getLastFocused(function(chromeWindow) {
var windowId = chromeWindow && chromeWindow.id;
if (windowId) {
chrome.windows.update(windowId, { focused: true });
}
openViewer(windowId, fileEntries);
});
}
}
var fileEntry = fileEntries.shift();
var url = fileEntry.toURL();
// Use drive: alias to get shorter (more human-readable) URLs.
url = url.replace(/^filesystem:chrome-extension:\/\/[a-p]{32}\/external\//,
'drive:');
url = getViewerURL(url);
if (windowId) {
chrome.tabs.create({
windowId: windowId,
active: true,
url: url
}, function() {
openViewer(windowId, fileEntries);
});
} else {
chrome.windows.create({
type: 'normal',
focused: true,
url: url
}, function(chromeWindow) {
openViewer(chromeWindow.id, fileEntries);
});
/**
* Open the PDF Viewer for the given list of PDF files.
*
* @param {number} windowId
* @param {Array} fileEntries List of Entry objects (HTML5 FileSystem API)
*/
function openViewer(windowId, fileEntries) {
if (!fileEntries.length) {
return;
}
var fileEntry = fileEntries.shift();
var url = fileEntry.toURL();
// Use drive: alias to get shorter (more human-readable) URLs.
url = url.replace(/^filesystem:chrome-extension:\/\/[a-p]{32}\/external\//,
'drive:');
url = getViewerURL(url);
if (windowId) {
chrome.tabs.create({
windowId: windowId,
active: true,
url: url
}, function() {
openViewer(windowId, fileEntries);
});
} else {
chrome.windows.create({
type: 'normal',
focused: true,
url: url
}, function(chromeWindow) {
openViewer(chromeWindow.id, fileEntries);
});
}
}
}
})();