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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test device pixel ratio override.
const TEST_DOCUMENT = "target_configuration_test_doc.sjs";
const TEST_URI = URL_ROOT_COM_SSL + TEST_DOCUMENT;
add_task(async function () {
const tab = await addTab(TEST_URI);
info("Create commands for the tab");
const commands = await CommandsFactory.forTab(tab);
const targetConfigurationCommand = commands.targetConfigurationCommand;
const targetCommand = commands.targetCommand;
await targetCommand.startListening();
const originalDpr = await getTopLevelDocumentDevicePixelRatio();
info("Update configuration to change device pixel ratio");
const CUSTOM_DPR = 5.5;
await targetConfigurationCommand.updateConfiguration({
overrideDPPX: CUSTOM_DPR,
});
is(
await getTopLevelDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The ratio is properly set on the top level document after updating the configuration"
);
is(
await getIframeDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The ratio is properly set on the iframe after updating the configuration"
);
info("Reload the page");
await BrowserTestUtils.reloadTab(tab, /* includeSubFrames */ true);
is(
await getTopLevelDocumentDevicePixelRatioAtStartup(),
CUSTOM_DPR,
"The custom ratio was set in the content page when it loaded after reloading"
);
is(
await getTopLevelDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The custom ratio is set in the content page after reloading"
);
is(
await getIframeDocumentDevicePixelRatioAtStartup(),
CUSTOM_DPR,
"The custom ratio was set in the remote iframe when it loaded after reloading"
);
is(
await getIframeDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The custom ratio is set in the remote iframe after reloading"
);
const previousBrowsingContextId = gBrowser.selectedBrowser.browsingContext.id;
info(
"Check that navigating to a page that forces the creation of a new browsing context keep the simulation enabled"
);
const onPageLoaded = BrowserTestUtils.browserLoaded(
gBrowser.selectedBrowser,
/* includeSubFrames */ true
);
BrowserTestUtils.startLoadingURIString(
gBrowser.selectedBrowser,
URL_ROOT_ORG_SSL + TEST_DOCUMENT + "?crossOriginIsolated=true"
);
await onPageLoaded;
isnot(
gBrowser.selectedBrowser.browsingContext.id,
previousBrowsingContextId,
"A new browsing context was created"
);
is(
await getTopLevelDocumentDevicePixelRatioAtStartup(),
CUSTOM_DPR,
"The custom ratio was set in the content page when it loaded after navigating to a new browsing context"
);
is(
await getTopLevelDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The custom ratio is set in the content page after navigating to a new browsing context"
);
is(
await getIframeDocumentDevicePixelRatioAtStartup(),
CUSTOM_DPR,
"The custom ratio was set in the remote iframe when it loaded after navigating to a new browsing context"
);
is(
await getIframeDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The custom ratio is set in the remote iframe after navigating to a new browsing context"
);
info(
"Create another commands instance and check that destroying it won't reset the ratio"
);
const otherCommands = await CommandsFactory.forTab(tab);
const otherTargetConfigurationCommand =
otherCommands.targetConfigurationCommand;
const otherTargetCommand = otherCommands.targetCommand;
await otherTargetCommand.startListening();
// Let's update the configuration with this commands instance to make sure we hit the TargetConfigurationActor
await otherTargetConfigurationCommand.updateConfiguration({
colorSchemeSimulation: "dark",
});
otherTargetCommand.destroy();
await otherCommands.destroy();
is(
await getTopLevelDocumentDevicePixelRatio(),
CUSTOM_DPR,
"The custom ratio is still set on the page after destroying another commands instance"
);
info(
"Check that destroying the commands we overrode the ratio in will reset the page ratio"
);
targetCommand.destroy();
await commands.destroy();
is(
await getTopLevelDocumentDevicePixelRatio(),
originalDpr,
"The ratio was reset in the content page after destroying the commands"
);
is(
await getIframeDocumentDevicePixelRatio(),
originalDpr,
"The ratio was reset in the remote iframe after destroying the commands"
);
});
function getDevicePixelRatio(browserOrBrowsingContext) {
return SpecialPowers.spawn(
browserOrBrowsingContext,
[],
() => content.browsingContext.top.overrideDPPX || content.devicePixelRatio
);
}
function getDevicePixelRatioAtStartup(browserOrBrowsingContext) {
return SpecialPowers.spawn(
browserOrBrowsingContext,
[],
() => content.wrappedJSObject.initialDevicePixelRatio
);
}
function getTopLevelDocumentDevicePixelRatio() {
return getDevicePixelRatio(gBrowser.selectedBrowser);
}
function getTopLevelDocumentDevicePixelRatioAtStartup() {
return getDevicePixelRatioAtStartup(gBrowser.selectedBrowser);
}
function getIframeBrowsingContext() {
return SpecialPowers.spawn(
gBrowser.selectedBrowser,
[],
() => content.document.querySelector("iframe").browsingContext
);
}
async function getIframeDocumentDevicePixelRatio() {
const iframeBC = await getIframeBrowsingContext();
return getDevicePixelRatio(iframeBC);
}
async function getIframeDocumentDevicePixelRatioAtStartup() {
const iframeBC = await getIframeBrowsingContext();
return getDevicePixelRatioAtStartup(iframeBC);
}
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