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EMSCRIPTEN: Add support for saving logfiles

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This commit is contained in:
Christian Kündig 2024-01-02 13:39:29 +01:00 committed by Eugene Sandulenko
parent 45c5f4673a
commit bc73ee4b71
2 changed files with 51 additions and 0 deletions
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48
backends/platform/sdl/emscripten/emscripten.cpp
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@ -44,6 +44,25 @@ EM_JS(void, toggleFullscreen, (bool enable), {
}
});
EM_JS(void, downloadFile, (const char *filenamePtr, char *dataPtr, int dataSize), {
const view = new Uint8Array(Module.HEAPU8.buffer, dataPtr, dataSize);
const blob = new Blob([view], {
type:
'octet/stream'
});
const filename = UTF8ToString(filenamePtr);
setTimeout(() => {
const a = document.createElement('a');
a.style = 'display:none';
document.body.appendChild(a);
const url = window.URL.createObjectURL(blob);
a.href = url;
a.download = filename;
a.click();
window.URL.revokeObjectURL(url);
document.body.removeChild(a);
}, 0);
});
// Overridden functions
bool OSystem_Emscripten::hasFeature(Feature f) {
@ -70,8 +89,37 @@ void OSystem_Emscripten::setFeatureState(Feature f, bool enable) {
}
}
Common::Path OSystem_Emscripten::getDefaultLogFileName() {
return Common::Path("/tmp/scummvm.log");
}
Common::Path OSystem_Emscripten::getDefaultConfigFileName() {
return Common::Path(Common::String::format("%s/scummvm.ini", getenv("HOME")));
}
bool OSystem_Emscripten::displayLogFile() {
if (_logFilePath.empty())
return false;
exportFile(_logFilePath);
return true;
}
void OSystem_Emscripten::exportFile(const Common::Path &filename) {
Common::File file;
Common::FSNode node(filename);
file.open(node);
if (!file.isOpen()) {
warning("Could not open file %s!", filename.toString(Common::Path::kNativeSeparator).c_str());
return;
}
Common::String exportName = filename.getLastComponent().toString(Common::Path::kNativeSeparator);
const int32 size = file.size();
char *bytes = new char[size + 1];
file.read(bytes, size);
file.close();
downloadFile(exportName.c_str(), bytes, size);
delete[] bytes;
}
#endif

3
backends/platform/sdl/emscripten/emscripten.h
View File

@ -29,9 +29,12 @@ public:
bool hasFeature(Feature f) override;
void setFeatureState(Feature f, bool enable) override;
bool getFeatureState(Feature f) override;
bool displayLogFile() override;
void exportFile(const Common::Path &filename);
protected:
Common::Path getDefaultConfigFileName() override;
Common::Path getDefaultLogFileName() override;
};
#endif