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Code Issues Releases Wiki Activity

Initial support for using an external browser for configuring pebble apps. This allows existing configuration pages to work without having internet access ourselves. 

This is a better approach as initially thought in #191.

What is missing is outlined in the (several) TODOs.
here
Daniele Gobbetti 2016-02-28 22:25:21 +01:00 committed by danielegobbetti
parent 652c5575b3
commit 089a59168e
11 changed files with 797 additions and 2 deletions
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16
app/src/main/AndroidManifest.xml
View File

@ -257,6 +257,22 @@
android:name="android.appwidget.provider"
android:resource="@xml/sleep_alarm_widget_info" />
</receiver>
<activity
android:name=".activities.ExternalPebbleJSActivity"
android:label="external_js"
android:parentActivityName=".activities.AppManagerActivity">
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="nodomain.freeyourgadget.gadgetbridge.activities.ControlCenter" />
<intent-filter>
<action android:name="android.intent.action.VIEW"/>
<category android:name="android.intent.category.DEFAULT"/>
<category android:name="android.intent.category.BROWSABLE"/>
<data android:scheme="gadgetbridge" />
</intent-filter>
</activity>
</application>
</manifest>

25
app/src/main/assets/app_config/configure.html Normal file
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@ -0,0 +1,25 @@
<!DOCTYPE html>
<head>
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0'>
<script type="text/javascript" src="js/Uri.js">
</script>
<script type="text/javascript" src="js/gadgetbridge_boilerplate.js">
</script>
<script type="text/javascript">
</script>
<style>
<!-- TODO -->
</style>
</head>
<body style="width: 100%;">
<div id="step1">
<h2>Url of the configuration:</h2>
<div id="config_url" style="height: 100px; width: 100%;"></div>
<button name="open config" value="open config" onclick="Pebble.actuallyOpenURL()" >Open configuration website</button>
</div>
<div id="step2">
<h2>Incoming configuration data:</h2>
<div id="jsondata" style="height: 100px; width: 100%;"></div>
<button name="send config" value="send config" onclick="Pebble.actuallySendData()" >Send data to pebble</button>
</div>
</body>

458
app/src/main/assets/app_config/js/Uri.js Normal file
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@ -0,0 +1,458 @@
/*!
* jsUri
* https://github.com/derek-watson/jsUri
*
* Copyright 2013, Derek Watson
* Released under the MIT license.
*
* Includes parseUri regular expressions
* http://blog.stevenlevithan.com/archives/parseuri
* Copyright 2007, Steven Levithan
* Released under the MIT license.
*/
/*globals define, module */
(function(global) {
var re = {
starts_with_slashes: /^\/+/,
ends_with_slashes: /\/+$/,
pluses: /\+/g,
query_separator: /[&;]/,
uri_parser: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@\/]*)(?::([^:@\/]*))?)?@)?(\[[0-9a-fA-F:.]+\]|[^:\/?#]*)(?::(\d+|(?=:)))?(:)?)((((?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
};
/**
* Define forEach for older js environments
* @see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/forEach#Compatibility
*/
if (!Array.prototype.forEach) {
Array.prototype.forEach = function(callback, thisArg) {
var T, k;
if (this == null) {
throw new TypeError(' this is null or not defined');
}
var O = Object(this);
var len = O.length >>> 0;
if (typeof callback !== "function") {
throw new TypeError(callback + ' is not a function');
}
if (arguments.length > 1) {
T = thisArg;
}
k = 0;
while (k < len) {
var kValue;
if (k in O) {
kValue = O[k];
callback.call(T, kValue, k, O);
}
k++;
}
};
}
/**
* unescape a query param value
* @param {string} s encoded value
* @return {string} decoded value
*/
function decode(s) {
if (s) {
s = s.toString().replace(re.pluses, '%20');
s = decodeURIComponent(s);
}
return s;
}
/**
* Breaks a uri string down into its individual parts
* @param {string} str uri
* @return {object} parts
*/
function parseUri(str) {
var parser = re.uri_parser;
var parserKeys = ["source", "protocol", "authority", "userInfo", "user", "password", "host", "port", "isColonUri", "relative", "path", "directory", "file", "query", "anchor"];
var m = parser.exec(str || '');
var parts = {};
parserKeys.forEach(function(key, i) {
parts[key] = m[i] || '';
});
return parts;
}
/**
* Breaks a query string down into an array of key/value pairs
* @param {string} str query
* @return {array} array of arrays (key/value pairs)
*/
function parseQuery(str) {
var i, ps, p, n, k, v, l;
var pairs = [];
if (typeof(str) === 'undefined' || str === null || str === '') {
return pairs;
}
if (str.indexOf('?') === 0) {
str = str.substring(1);
}
ps = str.toString().split(re.query_separator);
for (i = 0, l = ps.length; i < l; i++) {
p = ps[i];
n = p.indexOf('=');
if (n !== 0) {
k = decode(p.substring(0, n));
v = decode(p.substring(n + 1));
pairs.push(n === -1 ? [p, null] : [k, v]);
}
}
return pairs;
}
/**
* Creates a new Uri object
* @constructor
* @param {string} str
*/
function Uri(str) {
this.uriParts = parseUri(str);
this.queryPairs = parseQuery(this.uriParts.query);
this.hasAuthorityPrefixUserPref = null;
}
/**
* Define getter/setter methods
*/
['protocol', 'userInfo', 'host', 'port', 'path', 'anchor'].forEach(function(key) {
Uri.prototype[key] = function(val) {
if (typeof val !== 'undefined') {
this.uriParts[key] = val;
}
return this.uriParts[key];
};
});
/**
* if there is no protocol, the leading // can be enabled or disabled
* @param {Boolean} val
* @return {Boolean}
*/
Uri.prototype.hasAuthorityPrefix = function(val) {
if (typeof val !== 'undefined') {
this.hasAuthorityPrefixUserPref = val;
}
if (this.hasAuthorityPrefixUserPref === null) {
return (this.uriParts.source.indexOf('//') !== -1);
} else {
return this.hasAuthorityPrefixUserPref;
}
};
Uri.prototype.isColonUri = function (val) {
if (typeof val !== 'undefined') {
this.uriParts.isColonUri = !!val;
} else {
return !!this.uriParts.isColonUri;
}
};
/**
* Serializes the internal state of the query pairs
* @param {string} [val] set a new query string
* @return {string} query string
*/
Uri.prototype.query = function(val) {
var s = '', i, param, l;
if (typeof val !== 'undefined') {
this.queryPairs = parseQuery(val);
}
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
if (s.length > 0) {
s += '&';
}
if (param[1] === null) {
s += param[0];
} else {
s += param[0];
s += '=';
if (typeof param[1] !== 'undefined') {
s += encodeURIComponent(param[1]);
}
}
}
return s.length > 0 ? '?' + s : s;
};
/**
* returns the first query param value found for the key
* @param {string} key query key
* @return {string} first value found for key
*/
Uri.prototype.getQueryParamValue = function (key) {
var param, i, l;
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
if (key === param[0]) {
return param[1];
}
}
};
/**
* returns an array of query param values for the key
* @param {string} key query key
* @return {array} array of values
*/
Uri.prototype.getQueryParamValues = function (key) {
var arr = [], i, param, l;
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
if (key === param[0]) {
arr.push(param[1]);
}
}
return arr;
};
/**
* removes query parameters
* @param {string} key remove values for key
* @param {val} [val] remove a specific value, otherwise removes all
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.deleteQueryParam = function (key, val) {
var arr = [], i, param, keyMatchesFilter, valMatchesFilter, l;
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
keyMatchesFilter = decode(param[0]) === decode(key);
valMatchesFilter = param[1] === val;
if ((arguments.length === 1 && !keyMatchesFilter) || (arguments.length === 2 && (!keyMatchesFilter || !valMatchesFilter))) {
arr.push(param);
}
}
this.queryPairs = arr;
return this;
};
/**
* adds a query parameter
* @param {string} key add values for key
* @param {string} val value to add
* @param {integer} [index] specific index to add the value at
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.addQueryParam = function (key, val, index) {
if (arguments.length === 3 && index !== -1) {
index = Math.min(index, this.queryPairs.length);
this.queryPairs.splice(index, 0, [key, val]);
} else if (arguments.length > 0) {
this.queryPairs.push([key, val]);
}
return this;
};
/**
* test for the existence of a query parameter
* @param {string} key check values for key
* @return {Boolean} true if key exists, otherwise false
*/
Uri.prototype.hasQueryParam = function (key) {
var i, len = this.queryPairs.length;
for (i = 0; i < len; i++) {
if (this.queryPairs[i][0] == key)
return true;
}
return false;
};
/**
* replaces query param values
* @param {string} key key to replace value for
* @param {string} newVal new value
* @param {string} [oldVal] replace only one specific value (otherwise replaces all)
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.replaceQueryParam = function (key, newVal, oldVal) {
var index = -1, len = this.queryPairs.length, i, param;
if (arguments.length === 3) {
for (i = 0; i < len; i++) {
param = this.queryPairs[i];
if (decode(param[0]) === decode(key) && decodeURIComponent(param[1]) === decode(oldVal)) {
index = i;
break;
}
}
if (index >= 0) {
this.deleteQueryParam(key, decode(oldVal)).addQueryParam(key, newVal, index);
}
} else {
for (i = 0; i < len; i++) {
param = this.queryPairs[i];
if (decode(param[0]) === decode(key)) {
index = i;
break;
}
}
this.deleteQueryParam(key);
this.addQueryParam(key, newVal, index);
}
return this;
};
/**
* Define fluent setter methods (setProtocol, setHasAuthorityPrefix, etc)
*/
['protocol', 'hasAuthorityPrefix', 'isColonUri', 'userInfo', 'host', 'port', 'path', 'query', 'anchor'].forEach(function(key) {
var method = 'set' + key.charAt(0).toUpperCase() + key.slice(1);
Uri.prototype[method] = function(val) {
this[key](val);
return this;
};
});
/**
* Scheme name, colon and doubleslash, as required
* @return {string} http:// or possibly just //
*/
Uri.prototype.scheme = function() {
var s = '';
if (this.protocol()) {
s += this.protocol();
if (this.protocol().indexOf(':') !== this.protocol().length - 1) {
s += ':';
}
s += '//';
} else {
if (this.hasAuthorityPrefix() && this.host()) {
s += '//';
}
}
return s;
};
/**
* Same as Mozilla nsIURI.prePath
* @return {string} scheme://user:password@host:port
* @see https://developer.mozilla.org/en/nsIURI
*/
Uri.prototype.origin = function() {
var s = this.scheme();
if (this.userInfo() && this.host()) {
s += this.userInfo();
if (this.userInfo().indexOf('@') !== this.userInfo().length - 1) {
s += '@';
}
}
if (this.host()) {
s += this.host();
if (this.port() || (this.path() && this.path().substr(0, 1).match(/[0-9]/))) {
s += ':' + this.port();
}
}
return s;
};
/**
* Adds a trailing slash to the path
*/
Uri.prototype.addTrailingSlash = function() {
var path = this.path() || '';
if (path.substr(-1) !== '/') {
this.path(path + '/');
}
return this;
};
/**
* Serializes the internal state of the Uri object
* @return {string}
*/
Uri.prototype.toString = function() {
var path, s = this.origin();
if (this.isColonUri()) {
if (this.path()) {
s += ':'+this.path();
}
} else if (this.path()) {
path = this.path();
if (!(re.ends_with_slashes.test(s) || re.starts_with_slashes.test(path))) {
s += '/';
} else {
if (s) {
s.replace(re.ends_with_slashes, '/');
}
path = path.replace(re.starts_with_slashes, '/');
}
s += path;
} else {
if (this.host() && (this.query().toString() || this.anchor())) {
s += '/';
}
}
if (this.query().toString()) {
s += this.query().toString();
}
if (this.anchor()) {
if (this.anchor().indexOf('#') !== 0) {
s += '#';
}
s += this.anchor();
}
return s;
};
/**
* Clone a Uri object
* @return {Uri} duplicate copy of the Uri
*/
Uri.prototype.clone = function() {
return new Uri(this.toString());
};
/**
* export via AMD or CommonJS, otherwise leak a global
*/
if (typeof define === 'function' && define.amd) {
define(function() {
return Uri;
});
} else if (typeof module !== 'undefined' && typeof module.exports !== 'undefined') {
module.exports = Uri;
} else {
global.Uri = Uri;
}
}(this));

95
app/src/main/assets/app_config/js/gadgetbridge_boilerplate.js Normal file
View File

@ -0,0 +1,95 @@
function loadScript(url, callback) {
// Adding the script tag to the head as suggested before
var head = document.getElementsByTagName('head')[0];
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = url;
// Then bind the event to the callback function.
// There are several events for cross browser compatibility.
script.onreadystatechange = callback;
script.onload = callback;
// Fire the loading
head.appendChild(script);
}
function getURLVariable(variable, defaultValue) {
// Find all URL parameters
var query = location.search.substring(1);
var vars = query.split('&');
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split('=');
// If the query variable parameter is found, decode it to use and return it for use
if (pair[0] === variable) {
return decodeURIComponent(pair[1]);
}
}
return defaultValue || false;
}
function gbPebble() {
this.configurationURL = null;
this.configurationValues = null;
this.addEventListener = function(e, f) {
if(e == 'showConfiguration') {
this.showConfiguration = f;
}
if(e == 'webviewclosed') {
this.parseconfig = f;
}
if(e == 'appmessage') {
this.appmessage = f;
}
}
this.actuallyOpenURL = function() {
window.open(this.configurationURL.toString(), "config");
}
this.actuallySendData = function() {
GBjs.sendAppMessage(this.configurationValues);
}
//needs to be called like this because of original Pebble function name
this.openURL = function(url) {
document.getElementById("config_url").innerHTML=url;
var UUID = GBjs.getAppUUID();
this.configurationURL = new Uri(url).addQueryParam("return_to", "gadgetbridge://"+UUID+"?config=true&json=");
}
this.getActiveWatchInfo = function() {
return JSON.parse(GBjs.getActiveWatchInfo());
}
this.sendAppMessage = function (dict, callback){
this.configurationValues = JSON.stringify(dict);
document.getElementById("jsondata").innerHTML=this.configurationValues;
return callback;
}
this.ready = function(e) {
GBjs.gbLog("ready called");
}
}
var Pebble = new gbPebble();
var jsConfigFile = GBjs.getAppConfigurationFile();
if (jsConfigFile != null) {
loadScript(jsConfigFile, function() {
if (getURLVariable('config') == 'true') {
document.getElementById('step1').style.display="none";
var json_string = unescape(getURLVariable('json'));
var t = new Object();
t.response = json_string;
if (json_string != '')
Pebble.parseconfig(t);
} else {
document.getElementById('step2').style.display="none";
Pebble.showConfiguration();
}
});
}

5
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/AppManagerActivity.java
View File

@ -189,6 +189,11 @@ public class AppManagerActivity extends Activity {
case R.id.appmanager_health_activate:
GBApplication.deviceService().onInstallApp(Uri.parse("fake://health"));
return true;
case R.id.appmanager_app_configure:
Intent startIntent = new Intent(getApplicationContext(), ExternalPebbleJSActivity.class);
startIntent.putExtra("app_uuid", selectedApp.getUUID());
startActivity(startIntent);
return true;
default:
return super.onContextItemSelected(item);
}

153
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ExternalPebbleJSActivity.java Normal file
View File

@ -0,0 +1,153 @@
package nodomain.freeyourgadget.gadgetbridge.activities;
import android.app.Activity;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.util.Pair;
import android.webkit.JavascriptInterface;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.widget.Toast;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.UUID;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
public class ExternalPebbleJSActivity extends Activity {
private static final Logger LOG = LoggerFactory.getLogger(ExternalPebbleJSActivity.class);
//TODO: get device
private Uri uri;
private UUID appUuid;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String queryString = "";
uri = getIntent().getData();
if (uri != null) {
//getting back with configuration data
appUuid = UUID.fromString(uri.getHost());
queryString = uri.getEncodedQuery();
} else {
appUuid = (UUID) getIntent().getSerializableExtra("app_uuid");
}
setContentView(R.layout.activity_external_pebble_js);
getActionBar().setDisplayHomeAsUpEnabled(true);
WebView myWebView = (WebView) findViewById(R.id.configureWebview);
myWebView.clearCache(true);
WebSettings webSettings = myWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
//needed to access the DOM
webSettings.setDomStorageEnabled(true);
JSInterface gbJSInterface = new JSInterface();
myWebView.addJavascriptInterface(gbJSInterface, "GBjs");
myWebView.loadUrl("file:///android_asset/app_config/configure.html?"+queryString);
}
private JSONObject getAppConfigurationKeys() {
try {
File destDir = new File(FileUtils.getExternalFilesDir() + "/pbw-cache");
File configurationFile = new File(destDir, appUuid.toString() + ".json");
if(configurationFile.exists()) {
String jsonstring = FileUtils.getStringFromFile(configurationFile);
JSONObject json = new JSONObject(jsonstring);
return json.getJSONObject("appKeys");
}
} catch (IOException e) {
e.printStackTrace();
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
private class JSInterface {
public JSInterface () {
}
@JavascriptInterface
public void gbLog(String msg) {
Log.d("WEBVIEW", msg);
}
@JavascriptInterface
public void sendAppMessage(String msg) {
Log.d("from WEBVIEW", msg);
JSONObject knownKeys = getAppConfigurationKeys();
ArrayList<Pair<Integer, Object>> pairs = new ArrayList<>();
try{
JSONObject in = new JSONObject(msg);
String cur_key;
for (Iterator<String> key = in.keys(); key.hasNext();) {
cur_key = key.next();
int pebbleAppIndex = knownKeys.optInt(cur_key);
if (pebbleAppIndex != 0) {
//TODO: cast to integer (int32) / String? Is it needed?
pairs.add(new Pair<>(pebbleAppIndex, (Object) in.get(cur_key)));
} else {
GB.toast("Discarded key "+cur_key+", not found in the local configuration.", Toast.LENGTH_SHORT, GB.WARN);
}
}
} catch (JSONException e) {
e.printStackTrace();
}
//TODO: send pairs to pebble. (encodeApplicationMessagePush(ENDPOINT_APPLICATIONMESSAGE, uuid, pairs);)
}
@JavascriptInterface
public String getActiveWatchInfo() {
//TODO: interact with GBDevice, see also todo at the beginning
JSONObject wi = new JSONObject();
try {
wi.put("platform", "basalt");
}catch (JSONException e) {
e.printStackTrace();
}
//Json not supported apparently, we need to cast back and forth
return wi.toString();
}
@JavascriptInterface
public String getAppConfigurationFile() {
try {
File destDir = new File(FileUtils.getExternalFilesDir() + "/pbw-cache");
File configurationFile = new File(destDir, appUuid.toString() + "_config.js");
if(configurationFile.exists()) {
return "file:///" + configurationFile.getAbsolutePath();
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@JavascriptInterface
public String getAppUUID() {
return appUuid.toString();
}
}
}

18
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/pebble/PBWInstallHandler.java
View File

@ -173,6 +173,24 @@ public class PBWInstallHandler implements InstallHandler {
} catch (JSONException e) {
LOG.error(e.getMessage(), e);
}
String jsConfigFile = mPBWReader.getJsConfigurationFile();
if (jsConfigFile != null) {
outputFile = new File(destDir, app.getUUID().toString() + "_config.js");
try {
writer = new BufferedWriter(new FileWriter(outputFile));
} catch (IOException e) {
LOG.error("Failed to open output file: " + e.getMessage(), e);
return;
}
try {
writer.write(jsConfigFile);
writer.close();
} catch (IOException e) {
LOG.error("Failed to write to output file: " + e.getMessage(), e);
}
}
}
public boolean isValid() {

19
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/pebble/PBWReader.java
View File

@ -57,6 +57,7 @@ public class PBWReader {
private short mAppVersion;
private int mIconId;
private int mFlags;
private String jsConfigurationFile = null;
private JSONObject mAppKeys = null;
@ -212,6 +213,18 @@ public class PBWReader {
e.printStackTrace();
break;
}
} else if (fileName.equals("pebble-js-app.js")) {
LOG.info("Found JS file: app supports configuration.");
long bytes = ze.getSize();
if (bytes > 65536) // that should be too much
break;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while ((count = zis.read(buffer)) != -1) {
baos.write(buffer, 0, count);
}
jsConfigurationFile = baos.toString();
} else if (fileName.equals(platformDir + "pebble-app.bin")) {
zis.read(buffer, 0, 108);
byte[] tmp_buf = new byte[32];
@ -327,4 +340,8 @@ public class PBWReader {
public JSONObject getAppKeysJSON() {
return mAppKeys;
}
}
public String getJsConfigurationFile() {
return jsConfigurationFile;
}
}

5
app/src/main/res/layout/activity_external_pebble_js.xml Normal file
View File

@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/configureWebview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />

4
app/src/main/res/menu/appmanager_context.xml
View File

@ -12,5 +12,7 @@
<item
android:id="@+id/appmanager_health_deactivate"
android:title="@string/appmanager_health_deactivate"/>
<item
android:id="@+id/appmanager_app_configure"
android:title="@string/app_configure"/>
</menu>

1
app/src/main/res/values/strings.xml
View File

@ -224,6 +224,7 @@
<string name="appmanager_health_deactivate">Deactivate</string>
<string name="authenticating">authenticating</string>
<string name="authentication_required">authentication required</string>
<string name="app_configure">Configure</string>
<string name="appwidget_text">Zzz</string>
<string name="add_widget">Add widget</string>