void DevToolsEmulator::enableDeviceEmulation(const WebDeviceEmulationParams& params)
{
if (!m_deviceMetricsEnabled) {
m_deviceMetricsEnabled = true;
m_webViewImpl->setBackgroundColorOverride(Color::darkGray);
m_webViewImpl->updateShowFPSCounterAndContinuousPainting();
}
m_webViewImpl->page()->settings().setDeviceScaleAdjustment(calculateDeviceScaleAdjustment(params.viewSize.width, params.viewSize.height, params.deviceScaleFactor));
if (params.screenPosition == WebDeviceEmulationParams::Mobile)
enableMobileEmulation();
else
disableMobileEmulation();
m_webViewImpl->setCompositorDeviceScaleFactorOverride(params.deviceScaleFactor);
m_webViewImpl->setRootLayerTransform(WebSize(params.offset.x, params.offset.y), params.scale);
if (Document* document = m_webViewImpl->mainFrameImpl()->frame()->document()) {
document->styleResolverChanged();
document->mediaQueryAffectingValueChanged();
}
}
void DevToolsEmulator::enableDeviceEmulation(
const WebDeviceEmulationParams& params) {
if (m_deviceMetricsEnabled && m_emulationParams.viewSize == params.viewSize &&
m_emulationParams.screenPosition == params.screenPosition &&
m_emulationParams.deviceScaleFactor == params.deviceScaleFactor &&
m_emulationParams.offset == params.offset &&
m_emulationParams.scale == params.scale) {
return;
}
m_emulationParams = params;
if (!m_deviceMetricsEnabled) {
m_deviceMetricsEnabled = true;
if (params.viewSize.width || params.viewSize.height)
m_webViewImpl->setBackgroundColorOverride(Color::darkGray);
}
m_webViewImpl->page()->settings().setDeviceScaleAdjustment(
calculateDeviceScaleAdjustment(params.viewSize.width,
params.viewSize.height,
params.deviceScaleFactor));
if (params.screenPosition == WebDeviceEmulationParams::Mobile)
enableMobileEmulation();
else
disableMobileEmulation();
m_webViewImpl->setCompositorDeviceScaleFactorOverride(
params.deviceScaleFactor);
updateRootLayerTransform();
// TODO(dgozman): mainFrameImpl() is null when it's remote. Figure out how
// we end up with enabling emulation in this case.
if (m_webViewImpl->mainFrameImpl()) {
if (Document* document =
m_webViewImpl->mainFrameImpl()->frame()->document())
document->mediaQueryAffectingValueChanged();
}
}
