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Chrome extension: Add options page

Rob Wu 10 years ago
parent
e93cf5ca97
commit
1b043bfd5a
5 changed files with 286 additions and 1 deletions
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  1. 5
      extensions/chromium/manifest.json
  2. 85
      extensions/chromium/options/options.html
  3. 194
      extensions/chromium/options/options.js
  4. 2
      extensions/chromium/preferences_schema.json
  5. 1
      make.js

5
extensions/chromium/manifest.json
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@ -43,6 +43,11 @@
"storage": { "storage": {
"managed_schema": "preferences_schema.json" "managed_schema": "preferences_schema.json"
}, },
"options_ui": {
"page": "options/options.html",
"chrome_style": true
},
"options_page": "options/options.html",
"background": { "background": {
"page": "pdfHandler.html" "page": "pdfHandler.html"
}, },

85
extensions/chromium/options/options.html
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@ -0,0 +1,85 @@
<!doctype html>
<!--
Copyright 2015 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.
-->
<html>
<head>
<meta charset="utf-8">
<title>PDF.js viewer options</title>
<style>
/* TODO: Remove as much custom CSS as possible - crbug.com/446511 */
body {
min-width: 400px; /* a page at the settings page is at least 400px wide */
margin: 14px 17px; /* already added by default in Chrome 40.0.2212.0 */
}
.settings-row {
margin: 0.65em 0;
}
</style>
</head>
<body>
<div id="settings-boxes"></div>
<button id="reset-button">Restore default settings</button>
<template id="checkbox-template">
<!-- Chromium's style: //src/extensions/renderer/resources/extension.css -->
<div class="checkbox">
<label>
<input type="checkbox">
<span></span>
</label>
</div>
</template>
<template id="defaultZoomValue-template">
<div class="settings-row">
<label>
<span></span>
<select>
<option value="auto" selected="selected">Automatic Zoom</option>
<option value="page-actual">Actual Size</option>
<option value="page-fit">Fit Page</option>
<option value="page-width">Full Width</option>
<option value="custom" class="custom-zoom" hidden></option>
<option value="50">50%</option>
<option value="75">75%</option>
<option value="100">100%</option>
<option value="125">125%</option>
<option value="150">150%</option>
<option value="200">200%</option>
<option value="300">300%</option>
<option value="400">400%</option>
</select>
</label>
</div>
</template>
<template id="sidebarViewOnLoad-template">
<div class="settings-row">
<label>
<span></span>
<select>
<option value="0">Do not show sidebar</option>
<option value="1">Show thumbnails in sidebar</option>
<option value="2">Show document outline in sidebar</option>
<option value="3">Show attachments in sidebar</option>
</select>
</label>
</div>
</template>
<script src="options.js"></script>
</body>
</html>

194
extensions/chromium/options/options.js
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@ -0,0 +1,194 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/*
Copyright 2015 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.
*/
/* globals chrome, Promise */
'use strict';
Promise.all([
new Promise(function getManagedPrefs(resolve) {
// Get preferences as set by the system administrator.
chrome.storage.managed.get(null, function(prefs) {
// Managed storage may be disabled, e.g. in Opera.
resolve(prefs || {});
});
}),
new Promise(function getUserPrefs(resolve) {
chrome.storage.local.get(null, function(prefs) {
resolve(prefs || {});
});
}),
new Promise(function getStorageSchema(resolve) {
// Get the storage schema - a dictionary of preferences.
var x = new XMLHttpRequest();
var schema_location = chrome.runtime.getManifest().storage.managed_schema;
x.open('get', chrome.runtime.getURL(schema_location));
x.onload = function() {
resolve(x.response.properties);
};
x.responseType = 'json';
x.send();
})
]).then(function(values) {
var managedPrefs = values[0];
var userPrefs = values[1];
var schema = values[2];
function getPrefValue(prefName) {
if (prefName in userPrefs) {
return userPrefs[prefName];
} else if (prefName in managedPrefs) {
return managedPrefs[prefName];
}
return schema[prefName].default;
}
var prefNames = Object.keys(schema);
var renderPreferenceFunctions = {};
// Render options
prefNames.forEach(function(prefName) {
var prefSchema = schema[prefName];
if (!prefSchema.title) {
// Don't show preferences if the title is missing.
return;
}
// A DOM element with a method renderPreference.
var renderPreference;
if (prefSchema.type === 'boolean') {
// Most prefs are booleans, render them in a generic way.
renderPreference = renderBooleanPref(prefSchema.title,
prefSchema.description,
prefName);
} else if (prefName === 'defaultZoomValue') {
renderPreference = renderDefaultZoomValue(prefSchema.title);
} else if (prefName === 'sidebarViewOnLoad') {
renderPreference = renderSidebarViewOnLoad(prefSchema.title);
} else {
// Should NEVER be reached. Only happens if a new type of preference is
// added to the storage manifest.
console.error('Don\'t know how to handle ' + prefName + '!');
return;
}
renderPreference(getPrefValue(prefName));
renderPreferenceFunctions[prefName] = renderPreference;
});
// Names of preferences that are displayed in the UI.
var renderedPrefNames = Object.keys(renderPreferenceFunctions);
// Reset button to restore default settings.
document.getElementById('reset-button').onclick = function() {
userPrefs = {};
chrome.storage.local.remove(prefNames, function() {
renderedPrefNames.forEach(function(prefName) {
renderPreferenceFunctions[prefName](getPrefValue(prefName));
});
});
};
// Automatically update the UI when the preferences were changed elsewhere.
chrome.storage.onChanged.addListener(function(changes, areaName) {
var prefs = areaName === 'local' ? userPrefs :
areaName === 'managed' ? managedPrefs : null;
if (prefs) {
renderedPrefNames.forEach(function(prefName) {
var prefChanges = changes[prefName];
if (prefChanges) {
if ('newValue' in prefChanges) {
userPrefs[prefName] = prefChanges.newValue;
} else {
// Otherwise the pref was deleted
delete userPrefs[prefName];
}
renderPreferenceFunctions[prefName](getPrefValue(prefName));
}
});
}
});
}).then(null, console.error.bind(console));
function importTemplate(id) {
return document.importNode(document.getElementById(id).content, true);
}
// Helpers to create UI elements that display the preference, and return a
// function which updates the UI with the preference.
function renderBooleanPref(shortDescription, description, prefName) {
var wrapper = importTemplate('checkbox-template');
wrapper.title = description;
var checkbox = wrapper.querySelector('input[type="checkbox"]');
checkbox.onchange = function() {
var pref = {};
pref[prefName] = this.checked;
chrome.storage.local.set(pref);
};
wrapper.querySelector('span').textContent = shortDescription;
document.getElementById('settings-boxes').appendChild(wrapper);
function renderPreference(value) {
checkbox.checked = value;
}
return renderPreference;
}
function renderDefaultZoomValue(shortDescription) {
var wrapper = importTemplate('defaultZoomValue-template');
var select = wrapper.querySelector('select');
select.onchange = function() {
chrome.storage.local.set({
defaultZoomValue: this.value
});
};
wrapper.querySelector('span').textContent = shortDescription;
document.getElementById('settings-boxes').appendChild(wrapper);
function renderPreference(value) {
value = value || 'auto';
select.value = value;
var customOption = select.querySelector('option.custom-zoom');
if (select.selectedIndex === -1 && value) {
// Custom zoom percentage, e.g. set via managed preferences.
// [zoom] or [zoom],[left],[top]
customOption.text = value.indexOf(',') > 0 ? value : value + '%';
customOption.value = value;
customOption.hidden = false;
customOption.selected = true;
} else {
customOption.hidden = true;
}
}
return renderPreference;
}
function renderSidebarViewOnLoad(shortDescription) {
var wrapper = importTemplate('sidebarViewOnLoad-template');
var select = wrapper.querySelector('select');
select.onchange = function() {
chrome.storage.local.set({
sidebarViewOnLoad: parseInt(this.value)
});
};
wrapper.querySelector('span').textContent = shortDescription;
document.getElementById('settings-boxes').appendChild(wrapper);
function renderPreference(value) {
select.value = value;
}
return renderPreference;
}

2
extensions/chromium/preferences_schema.json
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@ -2,7 +2,7 @@
"type": "object", "type": "object",
"properties": { "properties": {
"showPreviousViewOnLoad": { "showPreviousViewOnLoad": {
"title": "Resume view on load", "title": "Show previous position of PDF upon load",
"description": "Whether to view PDF documents in the last page and position upon opening the viewer.", "description": "Whether to view PDF documents in the last page and position upon opening the viewer.",
"type": "boolean", "type": "boolean",
"default": true "default": true

1
make.js
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@ -1042,6 +1042,7 @@ target.chromium = function() {
'extensions/chromium/icon*.png',], 'extensions/chromium/icon*.png',],
CHROME_BUILD_DIR], CHROME_BUILD_DIR],
['extensions/chromium/pageAction/*.*', CHROME_BUILD_DIR + '/pageAction'], ['extensions/chromium/pageAction/*.*', CHROME_BUILD_DIR + '/pageAction'],
['extensions/chromium/options/*.*', CHROME_BUILD_DIR + '/options'],
['external/webL10n/l10n.js', CHROME_BUILD_CONTENT_DIR + '/web'], ['external/webL10n/l10n.js', CHROME_BUILD_CONTENT_DIR + '/web'],
['external/bcmaps/*', CHROME_BUILD_CONTENT_DIR + '/web/cmaps'], ['external/bcmaps/*', CHROME_BUILD_CONTENT_DIR + '/web/cmaps'],
['web/locale', CHROME_BUILD_CONTENT_DIR + '/web'] ['web/locale', CHROME_BUILD_CONTENT_DIR + '/web']

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