Mirror
/
nuTensor
mirror of https://github.com/geekprojects/nuTensor.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

this addresses AMO feedback from uBlock

pull/2/head
gorhill 10 years ago
parent
bbfef4f6cf
commit
a1ff628a57
1 changed files with 165 additions and 113 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 262
      platform/firefox/vapi-background.js

262
platform/firefox/vapi-background.js
View File

@ -129,53 +129,66 @@ window.addEventListener('unload', function() {
/******************************************************************************/
var SQLite = {
db: null,
// API matches that of chrome.storage.local:
// https://developer.chrome.com/extensions/storage
open: function() {
vAPI.storage = (function() {
var db = null;
var close = function() {
if ( db === null ) {
return;
}
db.createAsyncStatement('VACUUM').executeAsync();
db.asyncClose();
db = null;
};
var open = function() {
if ( db !== null ) {
return db;
}
// Create path
var path = Services.dirsvc.get('ProfD', Ci.nsIFile);
path.append('extension-data');
if ( !path.exists() ) {
path.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt('0774', 8));
}
if ( !path.isDirectory() ) {
throw Error('Should be a directory...');
}
path.append(location.host + '.sqlite');
this.db = Services.storage.openDatabase(path);
this.db.executeSimpleSQL(
'CREATE TABLE IF NOT EXISTS settings' +
'(name TEXT PRIMARY KEY NOT NULL, value TEXT);'
);
cleanupTasks.push(function() {
// VACUUM somewhere else, instead on unload?
SQLite.run('VACUUM');
SQLite.db.asyncClose();
});
},
// Open database
try {
db = Services.storage.openDatabase(path);
if ( db.connectionReady === false ) {
db.asyncClose();
db = null;
}
} catch (ex) {
}
run: function(query, values, callback) {
if ( !this.db ) {
this.open();
if ( db === null ) {
return null;
}
var result = {};
// Database was opened, register cleanup task
cleanupTasks.push(close);
query = this.db.createAsyncStatement(query);
// Setup database
db.createAsyncStatement('CREATE TABLE IF NOT EXISTS settings(name TEXT PRIMARY KEY NOT NULL, value TEXT);')
.executeAsync();
if ( Array.isArray(values) && values.length ) {
var i = values.length;
return db;
};
while ( i-- ) {
query.bindByIndex(i, values[i]);
}
}
// Execute a query
var runStatement = function(stmt, callback) {
var result = {};
query.executeAsync({
stmt.executeAsync({
handleResult: function(rows) {
if ( !rows || typeof callback !== 'function' ) {
return;
@ -196,122 +209,161 @@ var SQLite = {
},
handleError: function(error) {
console.error('SQLite error ', error.result, error.message);
// Caller expects an answer regardless of failure.
if ( typeof callback === 'function' ) {
callback(null);
}
});
}
};
/******************************************************************************/
vAPI.storage = {
QUOTA_BYTES: 100 * 1024 * 1024,
});
};
sqlWhere: function(col, params) {
if ( params > 0 ) {
params = new Array(params + 1).join('?, ').slice(0, -2);
return ' WHERE ' + col + ' IN (' + params + ')';
var bindNames = function(stmt, names) {
if ( Array.isArray(names) === false || names.length === 0 ) {
return;
}
var params = stmt.newBindingParamsArray();
var i = names.length, bp;
while ( i-- ) {
bp = params.newBindingParams();
bp.bindByName('name', names[i]);
params.addParams(bp);
}
stmt.bindParameters(params);
};
return '';
},
var clear = function(callback) {
if ( open() === null ) {
if ( typeof callback === 'function' ) {
callback();
}
return;
}
runStatement(db.createAsyncStatement('DELETE FROM settings; VACUUM;'), callback);
};
get: function(details, callback) {
var getBytesInUse = function(keys, callback) {
if ( typeof callback !== 'function' ) {
return;
}
var values = [], defaults = false;
if ( open() === null ) {
callback(0);
return;
}
if ( details !== null ) {
if ( Array.isArray(details) ) {
values = details;
} else if ( typeof details === 'object' ) {
defaults = true;
values = Object.keys(details);
var stmt;
if ( Array.isArray(keys) ) {
stmt = db.createAsyncStatement('SELECT "size" AS size, SUM(LENGTH(value)) FROM settings WHERE name = :name');
bindNames(keys);
} else {
values = [details.toString()];
stmt = db.createAsyncStatement('SELECT "size" AS size, SUM(LENGTH(value)) FROM settings');
}
runStatement(stmt, function(result) {
callback(result.size);
});
};
var read = function(details, callback) {
if ( typeof callback !== 'function' ) {
return;
}
SQLite.run(
'SELECT * FROM settings' + this.sqlWhere('name', values.length),
values,
function(result) {
var prepareResult = function(result) {
var key;
for ( key in result ) {
if ( result.hasOwnProperty(key) === false ) {
continue;
}
result[key] = JSON.parse(result[key]);
}
if ( defaults ) {
if ( typeof details === 'object' && details !== null ) {
for ( key in details ) {
if ( result[key] === undefined ) {
if ( result.hasOwnProperty(key) === false ) {
result[key] = details[key];
}
}
}
callback(result);
}
);
},
};
set: function(details, callback) {
var key, values = [], placeholders = [];
if ( open() === null ) {
prepareResult({});
return;
}
for ( key in details ) {
if ( !details.hasOwnProperty(key) ) {
continue;
var names = [];
if ( details !== null ) {
if ( Array.isArray(details) ) {
names = details;
} else if ( typeof details === 'object' ) {
names = Object.keys(details);
} else {
names = [details.toString()];
}
values.push(key);
values.push(JSON.stringify(details[key]));
placeholders.push('?, ?');
}
if ( !values.length ) {
return;
var stmt;
if ( names.length === 0 ) {
stmt = db.createAsyncStatement('SELECT * FROM settings');
} else {
stmt = db.createAsyncStatement('SELECT * FROM settings WHERE name = :name');
bindNames(stmt, names);
}
SQLite.run(
'INSERT OR REPLACE INTO settings (name, value) SELECT ' +
placeholders.join(' UNION SELECT '),
values,
callback
);
},
runStatement(stmt, prepareResult);
};
remove: function(keys, callback) {
if ( typeof keys === 'string' ) {
keys = [keys];
var remove = function(keys, callback) {
if ( open() === null ) {
if ( typeof callback === 'function' ) {
callback();
}
return;
}
var stmt = db.createAsyncStatement('DELETE FROM settings WHERE name = :name');
bindNames(stmt, typeof keys === 'string' ? [keys] : keys);
runStatement(stmt, callback);
};
SQLite.run(
'DELETE FROM settings' + this.sqlWhere('name', keys.length),
keys,
callback
);
},
clear: function(callback) {
SQLite.run('DELETE FROM settings');
SQLite.run('VACUUM', null, callback);
},
getBytesInUse: function(keys, callback) {
if ( typeof callback !== 'function' ) {
var write = function(details, callback) {
if ( open() === null ) {
if ( typeof callback === 'function' ) {
callback();
}
return;
}
SQLite.run(
'SELECT "size" AS size, SUM(LENGTH(value)) FROM settings' +
this.sqlWhere('name', Array.isArray(keys) ? keys.length : 0),
keys,
function(result) {
callback(result.size);
var stmt = db.createAsyncStatement('INSERT OR REPLACE INTO settings (name, value) VALUES(:name, :value)');
var params = stmt.newBindingParamsArray(), bp;
for ( var key in details ) {
if ( details.hasOwnProperty(key) === false ) {
continue;
}
);
bp = params.newBindingParams();
bp.bindByName('name', key);
bp.bindByName('value', JSON.stringify(details[key]));
params.addParams(bp);
}
};
if ( params.length === 0 ) {
return;
}
stmt.bindParameters(params);
runStatement(stmt, callback);
};
// Export API
var api = {
QUOTA_BYTES: 100 * 1024 * 1024,
clear: clear,
get: read,
getBytesInUse: getBytesInUse,
remove: remove,
set: write
};
return api;
})();
/******************************************************************************/

Write Preview
Loading…
Cancel
Save