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// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
this.EXPORTED_SYMBOLS = ["RemoteController"];
const Ci = Components.interfaces;
const Cc = Components.classes;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
function RemoteController(browser)
{
this._browser = browser;
// A map of commands that have had their enabled/disabled state assigned. The
// value of each key will be true if enabled, and false if disabled.
this._supportedCommands = { };
}
RemoteController.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIController,
Ci.nsICommandController]),
isCommandEnabled: function(aCommand) {
return this._supportedCommands[aCommand] || false;
},
supportsCommand: function(aCommand) {
return aCommand in this._supportedCommands;
},
doCommand: function(aCommand) {
this._browser.messageManager.sendAsyncMessage("ControllerCommands:Do", aCommand);
},
getCommandStateWithParams: function(aCommand, aCommandParams) {
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
},
doCommandWithParams: function(aCommand, aCommandParams) {
let cmd = {
cmd: aCommand,
params: null
};
if (aCommand == "cmd_lookUpDictionary") {
// Although getBoundingClientRect of the element is logical pixel, but
// x and y parameter of cmd_lookUpDictionary are device pixel.
// So we need calculate child process's coordinate using correct unit.
let rect = this._browser.getBoundingClientRect();
let scale = this._browser.ownerDocument.defaultView.devicePixelRatio;
cmd.params = {
x: {
type: "long",
value: aCommandParams.getLongValue("x") - rect.left * scale
},
y: {
type: "long",
value: aCommandParams.getLongValue("y") - rect.top * scale
}
};
} else {
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
}
this._browser.messageManager.sendAsyncMessage(
"ControllerCommands:DoWithParams", cmd);
},
getSupportedCommands: function(aCount, aCommands) {
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
},
onEvent: function () {},
// This is intended to be called from the remote-browser binding to update
// the enabled and disabled commands.
enableDisableCommands: function(aAction,
aEnabledLength, aEnabledCommands,
aDisabledLength, aDisabledCommands) {
// Clear the list first
this._supportedCommands = { };
for (let c = 0; c < aEnabledLength; c++) {
this._supportedCommands[aEnabledCommands[c]] = true;
}
for (let c = 0; c < aDisabledLength; c++) {
this._supportedCommands[aDisabledCommands[c]] = false;
}
this._browser.ownerDocument.defaultView.updateCommands(aAction);
}
};
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