gecko/layout/ipc/test-ipcbrowser-content.js

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function windowUtils() {
return content.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils);
}
function recvSetViewport(w, h) {
dump("setting viewport to "+ w +"x"+ h +"\n");
windowUtils().setCSSViewport(w, h);
}
function recvSetDisplayPort(x, y, w, h) {
dump("setting displayPort to <"+ x +", "+ y +", "+ w +", "+ h +">\n");
windowUtils().setDisplayPort(x, y, w, h);
}
function recvSetResolution(xres, yres) {
dump("setting xres="+ xres +" yres="+ yres +"\n");
windowUtils().setResolution(xres, yres);
}
function recvScrollBy(dx, dy) {
content.scrollBy(dx, dy);
}
function recvScrollTo(x, y) {
content.scrollTo(x, y);
}
addMessageListener(
"setViewport",
function (m) { recvSetViewport(m.json.w, m.json.h); }
);
addMessageListener(
"setDisplayPort",
function (m) { recvSetDisplayPort(m.json.x, m.json.y,
m.json.w, m.json.h); }
);
addMessageListener(
"setResolution",
function (m) { recvSetResolution(m.json.xres, m.json.yres); }
);
addMessageListener(
"scrollBy",
function(m) { recvScrollBy(m.json.dx, m.json.dy); }
);
addMessageListener(
"scrollTo",
function(m) { recvScrollTo(m.json.x, m.json.y); }
);