Lightcord/modules/discord_overlay2/host.js

378 lines
9.9 KiB
JavaScript
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2020-05-16 23:24:51 +02:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.createRenderer = createRenderer;
exports.destroyRenderer = destroyRenderer;
exports.eventHandler = eventHandler;
var Backoff = require('./Backoff');
var _require = require('electron'),
BrowserWindow = _require.BrowserWindow,
shell = _require.shell,
_ipcMain = _require.ipcMain;
var Overlay = require('./overlay_module.js');
var path = require('path'); // IPC events must be prefixed with `DISCORD_`
var ipcMain = {
on: function on(event, callback) {
return _ipcMain.on("DISCORD_".concat(event), callback);
},
removeListener: function removeListener(event, callback) {
return _ipcMain.removeListener("DISCORD_".concat(event), callback);
}
};
ipcMain.on('OPEN_EXTERNAL_URL', function (e, url) {
shell.openExternal(url);
});
function webContentsSend(win, event) {
if (win != null && win.webContents != null) {
var _win$webContents;
for (var _len = arguments.length, args = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
args[_key - 2] = arguments[_key];
}
(_win$webContents = win.webContents).send.apply(_win$webContents, ["DISCORD_".concat(event)].concat(args));
}
}
var renderers = {};
var accelerators = {
Z: 'undo',
Y: 'redo',
X: 'cut',
C: 'copy',
V: 'paste',
A: 'selectAll'
};
function handleAccelerators(contents, event) {
if (event['type'] !== 'keyDown') {
return false;
}
if (!event['modifiers'] || !event['modifiers'].includes('control')) {
return false;
}
var fname = accelerators[event['keyCode']];
if (!fname) {
return false;
}
var fn = contents[fname];
if (!fn) {
return false;
}
fn.apply(contents);
return true;
}
function createRenderer(pid, url) {
if (renderers[pid]) {
return;
}
var _require2 = require('url'),
URL = _require2.URL;
var urlWithPid = new URL(url);
urlWithPid.searchParams.append('pid', pid.toString());
url = urlWithPid.toString();
renderers[pid] = {
pid: pid,
url: "file://".concat(__dirname, "/start.html?pid=").concat(pid.toString()),
overlayURL: url,
backoff: new Backoff(1000, 30000),
window: new BrowserWindow({
show: false,
skipTaskbar: true,
webPreferences: {
offscreen: true,
transparent: true,
nodeIntegration: false,
preload: path.join(__dirname, '..', 'discord_desktop_core', 'core.asar', 'app', 'mainScreenPreload.js')
}
})
};
var renderer = renderers[pid];
Overlay.connectProcess(pid);
if (renderer.window.webContents._setDiscordOverlayProcessId) {
renderer.window.webContents._setDiscordOverlayProcessId(pid);
} // "paint" event will be skipped if direct frame delivery is enabled.
renderer.window.webContents.on('crashed', function (e, killed) {
Overlay.logMessage("Overlay for pid ".concat(renderer.pid, " crashed").concat(killed ? ' (killed)' : ''));
Overlay.sendCommand(renderer.pid, {
message: 'relay',
_relay: 'renderer_crashed'
});
destroyRenderer(pid);
});
renderer.window.webContents.on('console-message', function (_event, _level, message, _line_no, _source_id) {
Overlay.logMessage("OverlayRenderer[".concat(pid, "]: ").concat(message));
});
renderer.window.webContents.on('paint', function (_event, _dirty, image, _legacy_width, _legacy_height) {
// [adill] support electron <=1.8.4 which sent a (buffer, width, height) instead of (image)
if (Buffer.isBuffer(image)) {
var width = _legacy_width;
var height = _legacy_height;
Overlay.sendFramebuffer(renderer.pid, image, width, height);
return;
}
Overlay.sendFramebuffer(renderer.pid, image.getBitmap(), image.getSize().width, image.getSize().height);
});
renderer.window.webContents.on('new-window', function (e, url) {
e.preventDefault();
webContentsSend(renderer.window, 'REQUEST_OPEN_EXTERNAL_URL', url);
});
renderer.window.loadURL(renderer.url);
}
function loadOverlay(pid) {
var renderer = renderers[pid];
if (renderer == null) {
return;
}
if (renderer.url === renderer.overlayURL) {
return;
}
renderer.window.webContents.on('cursor-changed', function (_event, type) {
var cursor;
switch (type) {
case 'default':
cursor = 'IDC_ARROW';
break;
case 'pointer':
cursor = 'IDC_HAND';
break;
case 'crosshair':
cursor = 'IDC_CROSS';
break;
case 'text':
cursor = 'IDC_IBEAM';
break;
case 'wait':
cursor = 'IDC_WAIT';
break;
case 'help':
cursor = 'IDC_HELP';
break;
case 'move':
cursor = 'IDC_SIZEALL';
break;
case 'ns-resize':
cursor = 'IDC_SIZENS';
break;
case 'ew-resize':
cursor = 'IDC_SIZEWE';
break;
case 'nwse-resize':
cursor = 'IDC_SIZENWSE';
break;
case 'nesw-resize':
cursor = 'IDC_SIZENESW';
break;
case 'none':
cursor = '';
break;
}
if (cursor) {
Overlay.sendCommand(renderer.pid, {
message: 'set_cursor',
cursor: cursor
});
}
});
renderer.window.webContents.on('start-drag', function (_event, image, offset) {
Overlay.sendCommand(renderer.pid, {
message: 'set_drag_state',
dragging: true,
image: image.getBitmap().toJSON().data,
size: image.getSize(),
offset: offset
});
});
renderer.window.webContents.on('stop-drag', function (_event) {
Overlay.sendCommand(renderer.pid, {
message: 'set_drag_state',
dragging: false
});
});
renderer.window.webContents.on('ime-composition-range-changed', function (_event, start, end, bounds) {
Overlay.sendCommand(renderer.pid, {
message: 'ime_composition_range_changed',
start: start,
end: end,
bounds: bounds
});
});
renderer.window.webContents.on('selection-bounds-changed', function (_event, anchor, focus, isAnchorFirst) {
Overlay.sendCommand(renderer.pid, {
message: 'ime_selection_bounds_changed',
anchor: anchor,
focus: focus,
isAnchorFirst: isAnchorFirst
});
});
renderer.window.webContents.on('did-fail-load', function (e, errCode, errDesc, validatedURL) {
if (validatedURL !== renderer.url) {
Overlay.logMessage("Failed non-overlay URL load (".concat(validatedURL, ") with code ").concat(errCode, " and description ").concat(errDesc));
return;
}
Overlay.logMessage("Failed overlay URL load (".concat(validatedURL, ") with code ").concat(errCode, " and description ").concat(errDesc));
Overlay.sendCommand(renderer.pid, {
message: 'relay',
_relay: 'renderer_load_failed'
});
renderer.backoff.fail(function () {
Overlay.logMessage("Retrying overlay URL load ".concat(renderer.url));
renderer.window.loadURL(renderer.url);
});
});
renderer.window.on('ready-to-show', function () {
if (renderer.window.webContents.getURL() === renderer.overlayURL) {
renderer.window.focusOnWebView();
renderer.backoff.succeed();
Overlay.logMessage('Overlay is ready to show');
Overlay.sendCommand(renderer.pid, {
message: 'relay',
_relay: 'ready_to_show'
});
renderer.window.webContents.invalidate();
}
});
if (renderer.window.webContents.sendImeEvent) {
Overlay.sendCommand(renderer.pid, {
message: 'notify_ime_supported'
});
}
renderer.url = renderer.overlayURL;
renderer.window.loadURL(renderer.url);
}
function destroyRenderer(pid) {
var renderer = renderers[pid];
if (renderer == null) {
return;
}
Overlay.disconnectProcess(pid);
if (renderer.backoff) {
renderer.backoff.cancel();
}
if (renderer.window && !renderer.window.isDestroyed()) {
renderer.window.destroy();
}
delete renderers[pid];
}
function eventHandler(pid, event) {
var renderer = renderers[pid];
if (renderer == null || renderer.window == null || renderer.window.isDestroyed()) {
return;
}
var _screen = require('electron').screen;
if (event.message === 'graphics_info') {
if (event.width > 0 && event.height > 0) {
Overlay.logMessage("Resizing overlay renderer to ".concat(event.width, "x").concat(event.height));
if (global.features.supports('overlay-hidpi')) {
var screenRect = {
x: 0,
y: 0,
width: event.width,
height: event.height
};
var dipRect = _screen.screenToDipRect(renderer.window, screenRect);
renderer.window.setContentSize(dipRect.width, dipRect.height);
} else {
renderer.window.setContentSize(event.width, event.height);
}
renderer.window.webContents.setFrameRate(60);
} else {
renderer.window.webContents.setFrameRate(1);
}
renderer.window.webContents.invalidate();
} else if (event.message === 'input_event') {
renderer.window.focusOnWebView();
var translated = Overlay.translateInputEvent(event);
if (translated) {
if (!handleAccelerators(renderer.window.webContents, translated)) {
if (global.features.supports('overlay-hidpi') && translated.x && translated.y) {
var dipPoint = _screen.screenToDipPoint({
x: translated.x,
y: translated.y
});
translated.x = dipPoint.x;
translated.y = dipPoint.y;
}
renderer.window.webContents.sendInputEvent(translated);
}
}
} else if (event.message === 'renderer_started') {
Overlay.logMessage("Overlay renderer for ".concat(pid, " started successfully."));
renderer.started = true;
if (!renderer.first_framebuffer) {
renderer.window.webContents.invalidate();
} else {
loadOverlay(pid);
}
} else if (event.message === 'first_framebuffer') {
renderer.first_framebuffer = true;
if (renderer.started) {
loadOverlay(pid);
}
} else if (event.message === 'ime') {
renderer.window.webContents.sendImeEvent(event);
}
}