Printing API: Add example extension for chrome.printing API

This extension demonstrates how chrome.printing API can be used to submit print jobs to the printers. This extension will be used for external documentation as well. Bug: 996785 Change-Id: Idb221bb99f2e157983edfb0356ae87ca655a9e12 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2050780Reviewed-by: Devlin <rdevlin.cronin@chromium.org> Commit-Queue: Nikita Podguzov <nikitapodguzov@chromium.org> Cr-Commit-Position: refs/heads/master@{#743464}

Printing API: Add example extension for chrome.printing API
This extension demonstrates how chrome.printing API can be used to submit print jobs to the printers. This extension will be used for external documentation as well. Bug: 996785 Change-Id: Idb221bb99f2e157983edfb0356ae87ca655a9e12 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2050780Reviewed-by: Devlin <rdevlin.cronin@chromium.org> Commit-Queue: Nikita Podguzov <nikitapodguzov@chromium.org> Cr-Commit-Position: refs/heads/master@{#743464}
6c45705f · Nikita Podguzov · Commit Bot · aca480af · 6c45705f · 6c45705f
Commit 6c45705f authored Feb 21, 2020 by Nikita Podguzov Committed by Commit Bot Feb 21, 2020
9 changed files
--- a/chrome/common/extensions/docs/examples/api/printing/icons/icon.png
+++ b/chrome/common/extensions/docs/examples/api/printing/icons/icon.png
--- a/chrome/common/extensions/docs/examples/api/printing/icons/icon128.png
+++ b/chrome/common/extensions/docs/examples/api/printing/icons/icon128.png
--- a/chrome/common/extensions/docs/examples/api/printing/icons/icon16.png
+++ b/chrome/common/extensions/docs/examples/api/printing/icons/icon16.png
--- a/chrome/common/extensions/docs/examples/api/printing/icons/icon48.png
+++ b/chrome/common/extensions/docs/examples/api/printing/icons/icon48.png
--- a/chrome/common/extensions/docs/examples/api/printing/manifest.json
+++ b/chrome/common/extensions/docs/examples/api/printing/manifest.json
+{
+  "name": "Print Extension",
+  "version": "1.0",
+  "description": "Sends print job directly to the printers installed on the Chromebook",
+  "permissions": [
+    "printing"
+  ],
+  "browser_action": {
+    "default_popup": "printers.html",
+    "default_icon": "icons/icon.png"
+  },
+  "icons": {
+    "16": "icons/icon16.png",
+    "48": "icons/icon48.png",
+    "128": "icons/icon128.png"
+  },
+  "manifest_version": 2
+}
--- a/chrome/common/extensions/docs/examples/api/printing/printers.css
+++ b/chrome/common/extensions/docs/examples/api/printing/printers.css
+/**
+ * Copyright 2020 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.
+ */
+table, th, td, tr {
+  border: 1px solid black;
+}
+table {
+  width: 100%;
+  border-collapse: collapse;
+}
+div {
+  overflow: auto;
+}
--- a/chrome/common/extensions/docs/examples/api/printing/printers.html
+++ b/chrome/common/extensions/docs/examples/api/printing/printers.html
+<!--
+ * Copyright 2020 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.
+-->
+<!DOCTYPE HTML>
+<html>
+  <head>
+    <title>Printers</title>
+    <link href="printers.css" rel="stylesheet" type="text/css">
+    <script src="printers.js"></script>
+  </head>
+  <body>
+    <h2>Printers:</h2>
+    <div id="printers">
+      <table id="printersTable">
+        <thead>
+          <tr>
+            <th>Id</th>
+            <th>Name</th>
+            <th>Description</th>
+            <th>URI</th>
+            <th>Source</th>
+            <th>Default</th>
+            <th>Recently used</th>
+            <th>Capabilities</th>
+            <th>Status</th>
+            <th>Print</th>
+          </tr>
+        </thead>
+      </table>
+    </div>
+  </body>
+</html>
--- a/chrome/common/extensions/docs/examples/api/printing/printers.js
+++ b/chrome/common/extensions/docs/examples/api/printing/printers.js
+// Copyright 2020 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.
+function onPrintButtonClicked(printerId, dpi) {
+  var ticket = {
+    version: '1.0',
+    print: {
+      color: {type: 'STANDARD_MONOCHROME'},
+      duplex: {type: 'NO_DUPLEX'},
+      page_orientation: {type: 'LANDSCAPE'},
+      copies: {copies: 1},
+      dpi: {horizontal_dpi: dpi.horizontal_dpi, vertical_dpi: dpi.vertical_dpi},
+      media_size: {
+        width_microns: 210000,
+        height_microns: 297000,
+        vendor_id: 'iso_a4_210x297mm'
+      },
+      collate: {collate: false}
+    }
+  };
+  fetch('test.pdf')
+      .then(response => response.arrayBuffer())
+      .then(arrayBuffer => {
+        const request = {
+          job: {
+            printerId: printerId,
+            title: 'test job',
+            ticket: ticket,
+            contentType: 'application/pdf',
+            document: new Blob(
+                [new Uint8Array(arrayBuffer)], {type: 'application/pdf'})
+          }
+        };
+        chrome.printing.submitJob(request, (response) => {
+          if (response !== undefined) {
+            console.log(response.status);
+          }
+          if (chrome.runtime.lastError !== undefined) {
+            console.log(chrome.runtime.lastError.message);
+          }
+        });
+      });
+}
+function createPrintButton(onClicked) {
+  const button = document.createElement('button');
+  button.innerHTML = 'Print';
+  button.onclick = onClicked;
+  return button;
+}
+function createPrintersTable() {
+  chrome.printing.getPrinters(function(printers) {
+    const tbody = document.createElement('tbody');
+    for (let i = 0; i < printers.length; ++i) {
+      const printer = printers[i];
+      chrome.printing.getPrinterInfo(printer.id, function(response) {
+        const columnValues = [
+          printer.id,
+          printer.name,
+          printer.description,
+          printer.uri,
+          printer.source,
+          printer.isDefault,
+          printer.recentlyUsedRank,
+          JSON.stringify(response.capabilities),
+          response.status,
+        ];
+        let tr = document.createElement('tr');
+        for (const columnValue of columnValues) {
+          const td = document.createElement('td');
+          td.appendChild(document.createTextNode(columnValue));
+          td.setAttribute('align', 'center');
+          tr.appendChild(td);
+        }
+        const printTd = document.createElement('td');
+        printTd.appendChild(createPrintButton(function() {
+          onPrintButtonClicked(
+              printer.id, response.capabilities.printer.dpi.option[0]);
+        }));
+        tr.appendChild(printTd);
+        tbody.appendChild(tr);
+      });
+    }
+    const table = document.getElementById('printersTable');
+    table.appendChild(tbody);
+  });
+}
+document.addEventListener('DOMContentLoaded', function() {
+  createPrintersTable();
+});
--- a/chrome/common/extensions/docs/examples/api/printing/test.pdf
+++ b/chrome/common/extensions/docs/examples/api/printing/test.pdf