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compressed.js
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5551 lines (5267 loc) · 322 KB
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/*
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.
*/
/**
Constructor for the PlusCodes object. This gets the URL and initial
code, and initialises the map and compass.
@this CompassController
*/
function CompassController(compassElement) {
// DOM element containing the compass.
this.compassElement = compassElement;
// The origin location as [lat, lng].
this.origin = null;
// The destination location as [lat, lng]. (If null, display nothing.)
this.destination = null;
// Current compass heading out of the top of the device.
this.deviceHeading = 0;
// Compass display object.
this.compassDisplay = null;
// Log the compass readings received in 5 deg buckets. Used to see
// if the compass is actually working.
this.readingBuckets = {};
this.bucketCount = 0;
}
// Number of compass buckets required to be valid.
CompassController._VALID_THRESHOLD = 40;
// Key for local storage.
CompassController.COMPASS_VALID = 'plus.codes.compass.valid';
/** Returns if orientation is supported by this browser/device. */
CompassController.prototype.isSupported = function() {
return 'DeviceOrientationEvent' in window;
};
/** Returns if orientation data appears good. */
CompassController.prototype.appearsGood = function() {
if (this.bucketCount >= CompassController._VALID_THRESHOLD) {
return true;
}
return false;
};
/** Returns if a VALID compass has been previously registered. */
CompassController.prototype.hasReceived = function() {
return DataStore.has(CompassController.COMPASS_VALID);
};
/**
Set up the compass controller.
@return {boolean} True if the browser supports deviceorientation event.
*/
CompassController.prototype.initialise = function() {
// Add the elements within the container.
this.canvas = document.createElement('canvas');
this.canvas.classList.add('compass-base-canvas');
this.compassElement.appendChild(this.canvas);
// Get minimum of the height or width of the compass element.
var dim = Math.min(this.compassElement.offsetWidth,
this.compassElement.offsetHeight);
dim = Math.min(dim, 800) - 20;
this.canvas.height = dim;
this.canvas.width = dim;
this.origin = null;
this.deviceHeading = 0;
this.targetCode = null;
this.targetArea = null;
this.compassDisplay = new CompassDisplay(
this.canvas, '#888888', '#f06292', '#ffffff');
// Register for compass update events.
var that = this;
window.addEventListener('deviceorientation',
function(e) { that._receiveOrientationUpdate(e);}, false);
return true;
};
/**
* Called when displaying the compass. Checks if it works, and if not,
* walks the user through the validation steps.
*/
CompassController.prototype.checkOperation = function() {
if (DataStore.has(CompassController.COMPASS_VALID)) {
return;
}
compassCheckDisplay();
};
/**
* Show direction and distance information from one position to another.
*/
CompassController.prototype.setPoints = function(
fromLat, fromLng, toLat, toLng) {
this.origin = [fromLat, fromLng];
if (toLat != null && toLng != null) {
this.destination = [toLat, toLng];
} else {
this.destination = [fromLat, fromLng];
}
this._updateDisplay();
};
/**
Handle an orientation update.
@param {object} event A deviceorientation event.
*/
CompassController.prototype._receiveOrientationUpdate = function(event) {
if (event.absolute === true && event.alpha !== null) {
var heading = 0;
//Check for iOS property
if (event.webkitCompassControllerHeading) {
heading = event.webkitCompassControllerHeading;
} else {
// Android Chrome, FF and Opera all report the heading
// as a mirror of the real world.
heading = 360 - event.alpha;
}
// Save the heading in a bucket and update the storage.
var roundedHeading = Math.round(heading);
if (this.bucketCount < CompassController._VALID_THRESHOLD &&
!(roundedHeading in this.readingBuckets)) {
this.readingBuckets[Math.round(heading)] = true;
this.bucketCount++;
if (this.bucketCount >= CompassController._VALID_THRESHOLD) {
DataStore.putString(CompassController.COMPASS_VALID, 'true');
}
}
if (heading - this.deviceHeading > 180) {
this.deviceHeading = this.deviceHeading + 360;
} else if (this.deviceHeading - heading > 180) {
heading = heading + 360;
}
// Low-pass filter for heading.
heading = this.deviceHeading + 0.25 * (heading - this.deviceHeading);
heading = heading % 360;
if (this.deviceHeading === null ||
Math.abs(heading - this.deviceHeading) > 1) {
this.deviceHeading = heading;
this._updateDisplay();
}
}
};
/** Display distance and heading to target. */
CompassController.prototype._updateDisplay = function() {
if (this.origin === null) {
$('#compass_distance').html(messages.get('waiting-location'));
return;
}
if (this.destination === null) {
return;
}
var distance = CompassController._earthDistance(
this.origin[0], this.origin[1],
this.destination[0], this.destination[1]);
var units;
if (distance > 5000) {
distance = Math.round(distance / 1000);
units = messages.get('units-km');
} else if (distance > 1000) {
distance = Math.round(distance / 100) / 10;
units = messages.get('units-km');
} else {
distance = Math.round(distance);
units = messages.get('units-meters');
}
var bearing = CompassController._bearingTo(
this.origin[0], this.origin[1],
this.destination[0], this.destination[1]);
bearing = CompassController._getBearingFromDevice(
this.deviceHeading, bearing);
this.compassDisplay.display(bearing, distance, units);
};
/**
Compute distance between two locations.
@param {number} lat1 The latitude of the first location.
@param {number} lng1 The longitude of the first location.
@param {number} lat2 The latitude of the second location.
@param {number} lng2 The longitude of the second location.
@return {number} The distance between locations in meters.
*/
CompassController._earthDistance = function(lat1, lng1, lat2, lng2) {
var toRadians = Math.PI / 180;
// Earth radius in meters
var radius = 6371000;
var lat1Rad = lat1 * toRadians;
var lng1Rad = lng1 * toRadians;
var lat2Rad = lat2 * toRadians;
var lng2Rad = lng2 * toRadians;
var latDiff = lat2Rad - lat1Rad;
var lngDiff = lng2Rad - lng1Rad;
var a = Math.sin(latDiff / 2) * Math.sin(latDiff / 2) +
Math.cos(lat1Rad) * Math.cos(lat2Rad) *
Math.sin(lngDiff / 2) * Math.sin(lngDiff / 2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return c * radius;
};
/**
Compute bearing from one location to another.
@param {number} lat1 The latitude of the first location.
@param {number} lng1 The longitude of the first location.
@param {number} lat2 The latitude of the second location.
@param {number} lng2 The longitude of the second location.
@return {number} The bearing from the first location to the second.
*/
CompassController._bearingTo = function(lat1, lng1, lat2, lng2) {
var toRadians = Math.PI / 180;
var lat1Rad = lat1 * toRadians;
var lat2Rad = lat2 * toRadians;
var lngDiff = (lng2 - lng1) * toRadians;
var y = Math.sin(lngDiff) * Math.cos(lat2Rad);
var x = Math.cos(lat1Rad) * Math.sin(lat2Rad) -
Math.sin(lat1Rad) * Math.cos(lat2Rad) * Math.cos(lngDiff);
var theta = Math.atan2(y, x);
return ((theta * 180 / Math.PI) + 360) % 360;
};
/**
Given an absolute bearing and the bearing of the device, work out the
bearing relative to the device.
@param {number} deviceBearing The bearing the device is pointing in.
@param {number} targetBearing The bearing to the target location.
@return {number} the bearing relative to the device heading to the target.
*/
CompassController._getBearingFromDevice = function(
deviceBearing, targetBearing) {
// TODO: It would be nice to correct this based on mobile device orientation.
// A landscape Android device doesn't change the axis used for the device
// orientation, but for the user, it's changed by 90 degrees.
return (targetBearing - deviceBearing + 360) % 360;
};
/*
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.
*/
/**
Display a compass indicator in the screen, and allow it to be controlled.
@param {string} canvas DOM element of the canvas with text etc.
@param {string} outline_color Web color spec for the compass outline.
@param {string} indicator_color Web color spec for the compass indicator.
@param {string} text_color Web color spec for the text.
@this CompassDisplay
*/
function CompassDisplay(
canvas, outline_color,
indicator_color, text_color) {
this.canvas = canvas;
this.outline_color = outline_color;
this.indicator_color = indicator_color;
this.text_color = text_color;
// Get the width and height so we can use it later.
this.canvas_width = this.canvas.width;
this.canvas_height = this.canvas.height;
this.compass_radius = this.canvas_width / 2 - 50;
this.drawRing();
// We use custom (small) font sizes here.
var context = this.canvas.getContext('2d');
// Draw the top line (large!)
context.font = 'bold 20pt Arial,sans-serif';
context.textAlign = 'center';
context.fillStyle = this.text_color;
context.fillText(
messages.get('waiting-for-compass-1'),
this.canvas_width / 2,
this.canvas_height / 2 - 15);
// Second line, font slightly smaller.
context.font = 'bold 20pt Arial,sans-serif';
context.fillText(
messages.get('waiting-for-compass-2'),
this.canvas_width / 2,
this.canvas_height / 2 + 15);
}
CompassDisplay.prototype.drawRing = function() {
var context = this.canvas.getContext('2d');
context.beginPath();
context.arc(
this.canvas_width / 2,
this.canvas_height / 2,
this.compass_radius,
0,
2 * Math.PI,
false);
context.lineWidth = 2;
context.strokeStyle = this.outline_color;
context.stroke();
};
/**
Display an indicator at an angle in degrees, where 0 is straight out the
top of the device.
@param {number} angle The angle to the indicator.
@param {string} text1 The upper text to display.
@param {string} text2 The lower text to display.
*/
CompassDisplay.prototype.display = function(angle, text1, text2) {
// Adjust the angle and convert to radians.
angle = angle - 90;
var start = (angle - 10) * (Math.PI / 180);
var end = (angle + 10) * (Math.PI / 180);
// Clear the canvas.
var context = this.canvas.getContext('2d');
context.clearRect(0, 0, this.canvas_width, this.canvas_height);
this.drawRing();
// Draw the indicator.
context.beginPath();
context.arc(
this.canvas_width / 2,
this.canvas_height / 2,
this.compass_radius,
start,
end,
false);
context.lineWidth = 35;
context.strokeStyle = this.indicator_color;
context.stroke();
// Draw the top line (large!)
context.font = 'bold 60pt Arial,sans-serif';
context.textAlign = 'center';
context.fillStyle = this.text_color;
context.fillText(text1, this.canvas_width / 2, this.canvas_height / 2 - 15);
// Second line, font slightly smaller.
context.font = 'bold 40pt Arial,sans-serif';
context.fillText(text2, this.canvas_width / 2, this.canvas_height / 2 + 35);
};
/*
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.
*/
/**
Provide methods to store and retrieve simple data.
This uses the HTML5 localstore. If not available, falls back to cookies.
*/
function DataStore() {}
DataStore.has = function(key) {
if (DataStore._localStorage() && DataStore._localStorageGet(key) != null) {
return true;
}
if (DataStore._cookieGet(key) != null) {
return true;
}
return false;
};
DataStore.get = function(key) {
var value = null;
if (DataStore._localStorage()) {
value = DataStore._localStorageGet(key);
if (value != null) {
return value;
}
}
value = DataStore._cookieGet(key);
// Should we move this from a cookie into localstorage?
if (value !== null && DataStore._localStorage()) {
DataStore._localStoragePut(key, value);
DataStore._cookieClear(key);
}
return value;
};
/**
Save a string. If localstoreonly is true, the data will not fallback to
the cookie store.
*/
DataStore.putString = function(key, value, localstoreonly) {
if (typeof localstoreonly === 'undefined') {
localstoreonly = false;
}
if (DataStore._localStorage()) {
DataStore._localStoragePut(key, value);
return;
}
if (localstoreonly) {
return;
}
DataStore._cookiePut(key, value);
};
DataStore.clear = function(key) {
if (DataStore._localStorage()) {
DataStore._localStorageClear(key);
}
DataStore._cookieClear(key);
};
DataStore._cookiePut = function(key, value) {
document.cookie = key + '=' + value + '; path=/';
};
DataStore._cookieGet = function(key) {
var keyEQ = key + '=';
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') {
c = c.substring(1, c.length);
}
if (c.indexOf(keyEQ) == 0) {
return c.substring(keyEQ.length, c.length);
}
}
return null;
};
DataStore._cookieClear = function(key) {
var value = DataStore._cookieGet(key);
if (value === null) {
return;
}
var date = new Date();
date.setTime(date.getTime() - (1 * 24 * 60 * 60 * 1000));
var expires = 'expires=' + date.toGMTString();
var cookie = key + '=' + value + '; ' + expires + '; path=/';
document.cookie = cookie;
};
DataStore._localStorage = function() {
if ('localStorage' in window && window['localStorage'] !== null) {
return true;
}
return false;
};
DataStore._localStoragePut = function(key, value) {
localStorage[key] = value;
};
DataStore._localStorageGet = function(key) {
if (!key in localStorage) {
return null;
}
return localStorage[key];
};
DataStore._localStorageClear = function(key) {
if (!key in localStorage) {
return null;
}
localStorage.removeItem(key);
};
/*
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.
*/
/**
Provide a Dialog class.
Used to provide the same fadeIn/fadeOut functionality on all dialogs.
*/
function Dialog(id, jqueryContent, dismissCallback) {
this.id = id;
// Remove existing dialogs. Use id= match in case there are multiple elements
// with matching ids.
$('[id=' + id + '-dialog]').remove();
$('[id=' + id + '-controls]').remove();
$('[id=' + id + '-fader]').remove();
// Add a fader - clicking on the fader will call the callback if passed,
// or just dismisses the dialog.
var fader = $('<div>').attr('id', id + '-fader').addClass('dialog-fader');
if (typeof dismissCallback != 'undefined') {
fader.click(dismissCallback);
} else {
var that = this;
fader.click(function() {that.remove()});
}
$('body').append(fader);
fader.fadeIn();
// Add the control container (you'll have to populate them yourself).
var controls = $('<div>').attr('id', id + '-controls')
.addClass('dialog-controls');
$('body').append(controls);
$('#' + id + '-controls').fadeIn();
var dialog = $('<section>').attr('id', id + '-dialog')
.css('display', 'none')
.addClass('dialog')
.addClass('content')
.append(jqueryContent);
dialog.insertBefore($('#' + id + '-controls'));
dialog.fadeIn('3000');
}
Dialog.prototype.addButton = function(jqueryObject) {
$('#' + this.id + '-controls').append(jqueryObject);
if (!isMobile()) {
$('#' + this.id + '-controls').find('button')
.mouseover(function() {$(this).addClass('highlight')})
.mouseout(function() {$(this).removeClass('highlight')});
}
};
Dialog.prototype.remove = function() {
$('[id=' + this.id + '-dialog]').fadeOut(function() {$(this).remove()});
$('[id=' + this.id + '-controls]').fadeOut(function() {$(this).remove()});
$('[id=' + this.id + '-fader]').fadeOut(function() {$(this).remove()});
};
Dialog.remove = function(id) {
$('[id=' + id + '-dialog]').fadeOut(function() {$(this).remove()});
$('[id=' + id + '-controls]').fadeOut(function() {$(this).remove()});
$('[id=' + id + '-fader]').fadeOut(function() {$(this).remove()});
};
/*
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.
*/
/** Provide functions to interact with a geocoder API. */
function Geocoder() {
}
/**
Get a location for an address. Uses jQuery Deferred. The done()
method will be called with the address, latitude and longitude. If a
location cannot be determined, the reject() method is called with an error
message.
@param {string} address The address to geocode.
@param {number} fallbackLat If the address is empty, the latitude to return
instead.
@param {number} fallbackLng If the address is empty, the longitude to return
instead.
@return {*} jQuery Promise object.
*/
Geocoder.geocodeAddress = function(address, fallbackLat, fallbackLng) {
var deferred = $.Deferred();
if (typeof google === 'undefined' || typeof google.maps === 'undefined') {
deferred.reject(messages.get('geocode-not-loaded', {ADDRESS: address}));
} else if (address === '') {
deferred.resolve(address, fallbackLat, fallbackLng);
} else {
// Google Maps API geocoder object.
var geocoder = new google.maps.Geocoder();
// Send the address off to the geocoder.
geocoder.geocode(
{'address': address, 'language': messages.language},
function(results, status) {
if (status != google.maps.GeocoderStatus.OK) {
deferred.reject(
messages.get('geocode-fail', {ADDRESS: address}));
} else if (results === null || results.length == 0) {
deferred.reject(messages.get('geocoder-no-info'));
} else {
var addressLocation = results[0].geometry.location;
deferred.resolve(
address, addressLocation.lat(), addressLocation.lng());
}
});
}
return deferred.promise();
};
/**
Get a possible address for a location. Uses jQuery Deferred. The done()
method will be called with the latitude, longitude and address. If an
address cannot be determined, the reject() method is called with an error
message.
@param {number} lat The latitude.
@param {number} lng The longitude
@return {*} jQuery Promise object.
*/
Geocoder.lookupLatLng = function(lat, lng) {
var deferred = $.Deferred();
if (typeof google === 'undefined' || typeof google.maps === 'undefined') {
deferred.reject('');
return deferred.promise();
}
// Google Maps API geocoder object.
var geocoder = new google.maps.Geocoder();
// Reverse geocode the lat/lng, rounding the coordinates or
// sometimes the reverse lookups fail.
var latlng = new google.maps.LatLng(
Math.round(lat * 1E10) / 1E10,
Math.round(lng * 1E10) / 1E10);
geocoder.geocode(
{'latLng': latlng, 'language': messages.language},
function(results, status) {
if (status != google.maps.GeocoderStatus.OK) {
deferred.reject(messages.get('geocode-reverse-fail'));
return deferred.promise();
}
if (results === null || results.length == 0) {
deferred.reject(messages.get('geocoder-no-info'));
return deferred.promise();
}
// We want to get a collection of components in order.
// Including postcode can make shortening dependent on it.
var types = [
'postal_town',
'locality',
'administrative_area_level_4',
'administrative_area_level_3',
'administrative_area_level_2',
'administrative_area_level_1'];
var address = Geocoder.__extractAddress(lat, lng, types, results);
if (address === '') {
deferred.reject(messages.get('geocoder-no-info'));
} else {
// Pass the location and address back.
deferred.resolve(lat, lng, address);
}
});
return deferred.promise();
};
/**
Extract address components from a list of results to try to get the best
address we can.
@param {number} lat The latitude we geocoded.
@param {number} lng The longitude we geocoded.
@param {Array<string>} componentTypes A list of the component types we want,
in order from most to least detailed.
@param {object} results The results of a Google Maps API call to geocode a
lat/lng.
@return {string} an address string made up of a detailed component,
the post code and the least detailed component.
*/
Geocoder.__extractAddress = function(lat, lng, componentTypes, results) {
// Mapping from type to name - so we know what components we have.
var components = {};
var postal_code = '';
// Scan all the results and all the address components for matches
// with the desired types. Take the first match for any component and
// save them in the addressXXX lists.
for (var i = 0; i < results.length; i++) {
// If the result is too far away, skip it, since it won't help shorten
// the code anyway.
if (Math.abs(lat - results[i].geometry.location.lat()) > 0.5 ||
Math.abs(lng - results[i].geometry.location.lng()) > 0.5) {
continue;
}
// Scan each of the components for this result.
for (var j = 0; j < results[i].address_components.length; j++) {
var addressComponent = results[i].address_components[j];
// A component can have multiple types, so we need to check if this
// includes one of the types we're interested in.
for (var k = 0; k < addressComponent.types.length; k++) {
// If we're interested in it, we don't already have that component,
// we don't already have a component with the same name and it
// doesn't include a comma, keep it.
if (componentTypes.indexOf(addressComponent.types[k]) > -1 &&
!(addressComponent.types[k] in components) &&
addressComponent.long_name.indexOf(',') == -1) {
components[addressComponent.types[k]] = addressComponent.long_name;
}
if (addressComponent.types[k] == "postal_code") {
postal_code = addressComponent.long_name;
}
}
}
}
// Get one address component, starting at the most detailed level.
var address = [];
while (componentTypes.length > 0) {
var type = componentTypes.shift();
if (type in components) {
address.push(components[type]);
break;
}
}
if (postal_code != '') {
address.push(postal_code);
}
// Get one address component, starting at the least detailed level.
while (componentTypes.length > 0) {
var type = componentTypes.pop();
if (type in components) {
address.push(components[type]);
break;
}
}
return address.join(', ');
};
/*
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.
*/
/**
Class to display the help pages. We expand a div up from the bottom, and
then fade the content in and out. Tapping on the screen advances the help
page, and there's a "got it" link at the bottom to dismiss.
*/
function Help() {
}
Help.numPages = 3;
Help.currentPage = 1;
Help.dialog = null;
Help.start = function() {
Help.currentPage = 1;
Help.dialog = new Dialog('help', $('<section>').html(Help.getPageContent()));
Help.dialog.addButton($('<button>').addClass('previous').click(Help.clicked));
Help.dialog.addButton($('<button>').addClass('dismiss').click(Help.clicked));
Help.dialog.addButton($('<button>').addClass('next').click(Help.clicked));
// Hide the previous button.
$('#help-controls').find('.previous').off('click');
$('#help-controls').find('.previous').addClass('hide');
};
Help.clicked = function(e) {
if ($(this).hasClass('previous') && Help.currentPage > 1) {
Help.currentPage -= 1;
} else if ($(this).hasClass('next') && Help.currentPage < Help.numPages) {
Help.currentPage += 1;
} else if ($(this).hasClass('dismiss')) {
Dialog.remove('help');
return;
}
Help.adjustVisibility();
$('#help-dialog').fadeOut(function() {
$(this).html(Help.getPageContent());
$(this).fadeIn();
});
};
Help.adjustVisibility = function() {
// Default to display all the buttons.
$('#help-controls button').off('click');
$('#help-controls button').click(Help.clicked);
$('#help-controls button').removeClass('hide');
if (Help.currentPage == 1) {
// Hide the previous button on the first help page.
$('#help-controls .previous').off('click');
$('#help-controls .previous').addClass('hide');
} else if (Help.currentPage == Help.numPages) {
// Hide the next button on the last help page.
$('#help-controls .next').off('click');
$('#help-controls .next').addClass('hide');
}
};
Help.getPageContent = function() {
var content = "";
for (var i = 0; i <= 9; i++) {
var section = messages.get('help-0' + Help.currentPage + '-' + i);
if (section === null) {
break;
}
content += section;
}
return content;
};
/*
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.
*/
/**
Class to handle the information panel at the bottom of the screen.
@this InfoPanel
*/
function InfoBox() {
}
InfoBox.clear = function() {
$('.infobox-panels').empty().append($('<div>').addClass('panel'));
};
InfoBox.setPanel = function(html) {
$('.infobox-panels .panel').html(html);
};
/** Add content for another panel after existing panels. */
InfoBox.fadeToPanel = function(html) {
// Fade out the existing panel and remove it.
$('.infobox-panels .panel').fadeOut(function() {$(this).remove()});
// Create the panel.
var panel = $('<div>').addClass('panel').html(html)
.click(InfoBox.nextPanel).css('display', 'none');
$('.infobox-panels').append(panel);
$('.infobox-panels .panel:last').fadeIn();
};
/*! jQuery v1.11.1 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */
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/*
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.
*/
/**
* The Location class detects and listens to the device's location.
*
* @param {Function} userLocationHandler A method to call when a location is
* received.
*/
function LocationListener(userLocationHandler) {
this.userLocationHandler = userLocationHandler;
}
LocationListener.LOCATION_RECEIVED = 'plus.codes.location.received';
/** Returns if location is supported by this browser/device. */
LocationListener.prototype.isSupported = function() {
return 'geolocation' in navigator;
};
/** Returns if location has been previously received on this browser/device. */
LocationListener.prototype.hasReceived = function() {
if (DataStore.get(LocationListener.LOCATION_RECEIVED) != null) {
return true;
}
return false;
};
/**
* Self calling method to request the location. This uses
* geolocation.getCurrentPosition in preference to watchPosition so that
* if we lose location signals, we can detect it.
*/
LocationListener.prototype.getCurrentLocation = function() {
var that = this;
navigator.geolocation.getCurrentPosition(
function(position) {
DataStore.putString(LocationListener.LOCATION_RECEIVED, 'true');
try {
that.userLocationHandler(
position.coords.latitude, position.coords.longitude,
position.coords.accuracy);
} catch (e) {
}
// Call this again in five seconds.
setTimeout(function() {that.getCurrentLocation()}, 5000);
},
function(error) {
// Got an error from the location system.
// Call this again in five seconds.
setTimeout(function() {that.getCurrentLocation()}, 5000);
},
{timeout: 30000, enableHighAccuracy: true});
};
/*
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.
*/
/** Singleton class to represent the currently displayed code. */
function DisplayedCode() {
if (arguments.callee._singletonInstance) {
return arguments.callee._singletonInstance;
}
arguments.callee._singletonInstance = this;
this.is_set = false;
this.is_pinned = false;
this.code = null;
this.decoded = null;
this.area_code = null;
this.place_code = null;
this.timestamp_millis = 0;
this.neighbourhood = null;
this.setCode = function(code) {
this.code = code;
this.codeArea = OpenLocationCode.decode(code);
this.timestamp_millis = Date.now();
if (this.codeArea.codeLength > 4) {
this.area_code = this.code.substring(0, 4);
this.place_code = this.code.substring(4);
this.neighbourhood = this.code.substring(0, 9);
this.neighbourhoodArea = OpenLocationCode.decode(this.neighbourhood);
} else {
this.area_code = null;
this.place_code = null;
this.neighbourhood = null;
this.neighbourhoodArea = null;
}
};
/** Set the code into the URL. */
this.setUrl = function() {
// Pathname can be host/OLC, host/path/OLC, host/path/path.html
var paths = location.pathname.split('/');
var newpath;
// If the last one is an OLC code, drop it and replace it with the new one.
if (location.search !== '') {
newpath = location.pathname + '?q=' + this.code;
} else if (paths[paths.length - 1].indexOf('+') > -1) {
paths.pop();
newpath = paths.join('/') + '/' + this.code;
} else if (paths[paths.length - 1] == '') {
paths.pop();
newpath = paths.join('/') + '/' + this.code;
} else {
newpath = location.pathname + '?q=' + this.code;
}
window.history.pushState(
'object or string',
'plus+code: ' + this.code,
newpath);
};
}
/**
* Maps code lengths to zoom levels. Each entry gives the code length and the
* minimum zoom level for that code length.
*/
var CodeLengthZoom = [