spark-store-project/spark-web-app-runtime
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feat: 支持启动时识别 DTK 主题颜色，判断网页是否需要显示为深色模式（切换 DTK 主题后重启生效，不支持实时生效）

Browse Source 
https://github.com/qutebrowser/qutebrowser/issues/4840
启动时判断 DTK 主题颜色，QTWEBENGINE_CHROMIUM_FLAGS 环境变量添加 --blink-settings=preferredColorScheme=0 启用深色模式（或 --force-dark-mode）（Qt >= 5.14，当前仅 Deepin 支持）

Log: 支持启动时识别 DTK 主题颜色，判断网页是否需要显示为深色模式
This commit is contained in:
zty199
2022-11-20 23:55:52 +08:00
parent c6b6734c9e
commit 6b25b50696
5 changed files with 125 additions and 37 deletions
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39
spark-webapp-runtime/webengineview.cpp
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@@ -1,20 +1,53 @@
#include "webengineview.h"
//#include "webengineurlrequestinterceptor.h"
#include <DGuiApplicationHelper>
#include <QWebEngineSettings>
#include <QWebEngineProfile>
#include <QLocale>
DGUI_USE_NAMESPACE
WebEngineView::WebEngineView(QWidget *parent)
: QWebEngineView(parent)
// , interceptor(new WebEngineUrlRequestInterceptor(this))
{
// page()->profile()->setHttpUserAgent(page()->profile()->httpUserAgent() + " MediaFeature/prefers-color-scheme:dark");
connect(this, &WebEngineView::urlChanged, this, [=]() {
// page()->setUrlRequestInterceptor(interceptor);
// page()->settings()->setAttribute(QWebEngineSettings::WebAttribute::LocalContentCanAccessRemoteUrls, true);
page()->profile()->setHttpAcceptLanguage(QLocale::system().name());
// qInfo() << "User Agent:" << page()->profile()->httpUserAgent();
});
}
void WebEngineView::handleChromiumFlags()
{
DGuiApplicationHelper::ColorType themeType = DGuiApplicationHelper::instance()->themeType();
QString env = qgetenv("QTWEBENGINE_CHROMIUM_FLAGS");
QStringList flags = env.split(" ", QString::SkipEmptyParts);
/**
* --blink-settings=preferredColorScheme=0 强制 prefers-color-scheme=dark (>= 5.14)
* --blink-settings=darkModeEnabled=true,darkModeInversionAlgorithm=4 强制反转网页颜色 (>= 5.14 && < 5.15)
* --blink-settings=forceDarkModeEnabled=true,darkModeInversionAlgorithm=4 强制反转网页颜色 (>= 5.15)
* --force-dark-mode 强制 prefers-color-scheme=dark (>= 5.14)
*/
foreach (const QString &flag, flags) {
if (flag == "--force-dark-mode") {
flags.removeAll(flag);
}
if (flag.startsWith("--blink-settings")) {
flags.removeAll(flag);
}
}
if (themeType == DGuiApplicationHelper::DarkType) {
flags.append("--blink-settings=preferredColorScheme=0");
} else {
flags.append("--blink-settings=preferredColorScheme=1");
}
qputenv("QTWEBENGINE_CHROMIUM_FLAGS", flags.join(" ").toUtf8());
qDebug() << Q_FUNC_INFO << "QTWEBENGINE_CHROMIUM_FLAGS=" + qgetenv("QTWEBENGINE_CHROMIUM_FLAGS");
}