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