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OrcaSlicer/src/slic3r/plugin/host/PluginPages.cpp
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2026-07-29 19:37:17 +08:00

366 lines
12 KiB
C++

#include "PluginPages.hpp"
#include "slic3r/GUI/GUI.hpp"
#include "slic3r/GUI/Notebook.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include "slic3r/GUI/Widgets/WebView.hpp"
#include "slic3r/GUI/Widgets/WebViewHostDialog.hpp"
#include "slic3r/GUI/wxExtensions.hpp"
#include "slic3r/plugin/PluginManager.hpp"
#include <libslic3r/Utils.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/log/trivial.hpp>
#include <nlohmann/json.hpp>
#include <stdexcept>
#include <wx/bookctrl.h>
#include <wx/sizer.h>
#include <utility>
namespace Slic3r {
namespace {
constexpr char PLUGIN_PAGE_BRIDGE_JS[] = R"JS(
(function () {
if (window.top !== window.self) return;
if (window.orca) return;
var handlers = [];
function deliver(payload, attempts) {
try {
if (window.wx && typeof window.wx.postMessage === 'function') {
window.wx.postMessage(payload);
return;
}
} catch (e) { /* retry while the native handler is being registered */ }
if (attempts < 100)
window.setTimeout(function () { deliver(payload, attempts + 1); }, 25);
}
function send(data) {
deliver(JSON.stringify({
channel: 'orca', kind: 'message', data: (data === undefined ? null : data)
}), 0);
}
window.orca = {
postMessage: function (data) { send(data); },
onMessage: function (callback) {
if (typeof callback === 'function') handlers.push(callback);
}
};
window.__orcaDispatch = function (payload) {
var data = payload ? payload.data : null;
for (var i = 0; i < handlers.length; i++) {
try { handlers[i](data); } catch (e) {}
}
};
})();
)JS";
} // namespace
PluginPage::PluginPage(wxWindow* parent, std::shared_ptr<PagesPluginCapability> capability)
: wxPanel(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize)
, m_cap(std::move(capability))
, m_lifetime(std::make_shared<std::atomic<PluginPage*>>(this))
{
auto* topsizer = new wxBoxSizer(wxVERTICAL);
SetSizer(topsizer);
m_browser = WebView::CreateWebView(this, bootstrap_url());
if (m_browser == nullptr) {
wxLogError("Could not initialize plugin page web view");
return;
}
topsizer->Add(m_browser, wxSizerFlags().Expand().Proportion(1));
m_browser->Bind(wxEVT_WEBVIEW_LOADED, &PluginPage::on_bootstrap_event, this);
m_browser->Bind(wxEVT_WEBVIEW_ERROR, &PluginPage::on_bootstrap_event, this);
m_browser->Bind(wxEVT_WEBVIEW_NEWWINDOW, &PluginPage::on_new_window, this);
m_browser->Bind(wxEVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, &PluginPage::on_script_message, this);
m_browser->AddUserScript(wxString::FromUTF8(GUI::WebViewHostDialog::theme_user_script()));
m_browser->AddUserScript(wxString::FromUTF8(GUI::WebViewHostDialog::plugin_defaults_user_script()));
m_browser->AddUserScript(PLUGIN_PAGE_BRIDGE_JS);
const std::shared_ptr<std::atomic<PluginPage*>> lifetime = m_lifetime;
m_cap->set_message_sender([lifetime](const std::string& message) {
if (wxTheApp == nullptr)
return;
GUI::wxGetApp().CallAfter([lifetime, message] {
if (PluginPage* page = lifetime->load(std::memory_order_acquire))
page->push_message(message);
});
});
}
PluginPage::~PluginPage()
{
detach_capability();
if (m_lifetime)
m_lifetime->store(nullptr, std::memory_order_release);
}
void PluginPage::detach_capability()
{
if (m_lifetime)
m_lifetime->store(nullptr, std::memory_order_release);
if (m_cap)
m_cap->clear_message_sender();
m_cap.reset();
}
wxString PluginPage::web_base_url() const
{
const auto path = (boost::filesystem::path(resources_dir()) / "web").make_preferred().string();
return wxString("file://") + GUI::from_u8(path) + "/";
}
wxString PluginPage::bootstrap_url() const
{
const auto path = (boost::filesystem::path(resources_dir()) / "web/dialog/PluginWebDialog/blank.html").make_preferred().string();
return wxString("file://") + GUI::from_u8(path);
}
void PluginPage::on_bootstrap_event(wxWebViewEvent& event)
{
load_plugin_content();
event.Skip();
}
void PluginPage::load_plugin_content()
{
if (m_content_loaded || m_browser == nullptr || m_cap == nullptr)
return;
m_content_loaded = true;
try {
m_browser->SetPage(wxString::FromUTF8(m_cap->get_ui()), web_base_url());
} catch (const std::exception& error) {
BOOST_LOG_TRIVIAL(error) << "Failed to load plugin page '" << m_cap->name() << "': " << error.what();
detach_capability();
} catch (...) {
BOOST_LOG_TRIVIAL(error) << "Failed to load plugin page '" << m_cap->name() << "'";
detach_capability();
}
}
void PluginPage::on_new_window(wxWebViewEvent& event)
{
const wxString url = event.GetURL();
if (!url.empty() && m_browser != nullptr)
m_browser->LoadURL(url);
event.Veto();
}
void PluginPage::on_script_message(wxWebViewEvent& event)
{
if (!m_cap)
return;
const wxString payload = event.GetString();
nlohmann::json root = nlohmann::json::parse(payload.utf8_string(), nullptr, false);
if (root.is_discarded() || root.value("channel", std::string()) != "orca" ||
root.value("kind", std::string()) != "message")
return;
const nlohmann::json data = root.contains("data") ? root["data"] : nlohmann::json();
try {
m_cap->on_message(data.dump(-1, ' ', false, nlohmann::json::error_handler_t::replace));
} catch (const std::exception& error) {
BOOST_LOG_TRIVIAL(error) << "Plugin page message handler failed for '" << m_cap->name() << "': " << error.what();
} catch (...) {
BOOST_LOG_TRIVIAL(error) << "Plugin page message handler failed for '" << m_cap->name() << "'";
}
}
void PluginPage::push_message(const std::string& message)
{
if (m_browser == nullptr)
return;
nlohmann::json data = nlohmann::json::parse(message, nullptr, false);
if (data.is_discarded())
data = message;
const wxString script = wxString("(function dispatch(payload, attempts) {\n") +
wxString(" if (typeof window.__orcaDispatch === 'function') { window.__orcaDispatch(payload); return; }\n") +
wxString(" if (attempts < 100) window.setTimeout(function() { dispatch(payload, attempts + 1); }, 25);\n") +
wxString("})({data: ") +
wxString::FromUTF8(data.dump(-1, ' ', false, nlohmann::json::error_handler_t::replace)) +
wxString("}, 0);");
WebView::RunScript(m_browser, script);
}
PluginPages::~PluginPages()
{
shutdown();
}
void PluginPages::initialize(Notebook* parent)
{
shutdown();
m_parent = parent;
if (m_parent == nullptr)
return;
// Keep image-list indices stable for the lifetime of this notebook. Removing an image
// would shift every later index, so deregistration only removes the page.
m_image_list = std::make_unique<wxImageList>(20, 20, true, 0);
m_parent->SetImageList(m_image_list.get());
for (const auto& capability : PluginManager::instance().get_plugin_capabilities("", PluginCapabilityType::Pages)) {
if (capability)
on_cap_register(capability->identity());
}
}
void PluginPages::shutdown()
{
while (!m_pages.empty())
remove_page(m_pages.begin()->first);
if (m_parent != nullptr)
m_parent->SetImageList(nullptr);
m_image_list.reset();
m_parent = nullptr;
}
std::shared_ptr<PagesPluginCapability> PluginPages::get_pages_cap(const PluginCapabilityId& id, bool is_enabled) const
{
auto capability = PluginManager::instance().get_plugin_capability(id, /*only_enabled=*/false);
if (!capability || capability->is_enabled() != is_enabled || capability->type() != PluginCapabilityType::Pages)
return nullptr;
return std::dynamic_pointer_cast<PagesPluginCapability>(capability);
}
void PluginPages::on_cap_register(const PluginCapabilityId& id)
{
if (m_parent == nullptr || m_pages.find(id) != m_pages.end())
return;
auto capability = get_pages_cap(id, true);
if (!capability)
return;
std::string icon;
try {
icon = capability->get_icon();
} catch (const std::exception& error) {
BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << " Failed to get icon for plugin " << id.plugin_key << ": " << error.what();
} catch (...) {
BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << " Failed to get icon for plugin " << id.plugin_key;
}
auto* page = new PluginPage(m_parent, std::move(capability));
if (!page->is_valid()) {
page->Destroy();
return;
}
const wxString title = wxString::FromUTF8(id.name);
int image_id = wxBookCtrlBase::NO_IMAGE;
if (!icon.empty() && m_image_list) {
try {
boost::filesystem::path icon_path(icon);
const std::string extension = icon_path.extension().string();
if (extension == ".svg" || extension == ".png")
icon_path.replace_extension();
const wxBitmap bitmap = create_scaled_bitmap(icon_path.string(), m_parent, 20);
if (bitmap.IsOk())
image_id = m_image_list->Add(bitmap);
} catch (const std::exception& error) {
BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << " Failed to load icon for plugin " << id.plugin_key << ": " << error.what();
} catch (...) {
BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << " Failed to load icon for plugin " << id.plugin_key;
}
}
page->set_icon_image_id(image_id);
if (!m_parent->AddPage(page, title, false, image_id)) {
if (image_id != wxBookCtrlBase::NO_IMAGE && m_image_list && image_id == m_image_list->GetImageCount() - 1)
m_image_list->Remove(image_id);
page->Destroy();
return;
}
m_pages.emplace(id, page);
}
void PluginPages::on_cap_deregister(const PluginCapabilityId& id)
{
remove_page(id);
}
void PluginPages::on_plugin_register(const std::string& plugin_key)
{
for (const auto& capability : PluginManager::instance().get_plugin_capabilities(plugin_key, PluginCapabilityType::Pages)) {
if (capability)
on_cap_register(capability->identity());
}
}
void PluginPages::on_plugin_deregister(const std::string& plugin_key)
{
for (auto it = m_pages.begin(); it != m_pages.end();) {
if (it->first.plugin_key != plugin_key) {
++it;
continue;
}
const PluginCapabilityId id = it->first;
++it;
remove_page(id);
}
}
void PluginPages::remove_page(const PluginCapabilityId& id)
{
auto it = m_pages.find(id);
if (it == m_pages.end())
return;
PluginPage* page = it->second;
const int removed_image_id = page->get_icon_image_id();
page->detach_capability();
if (m_parent != nullptr) {
const int index = m_parent->FindPage(page);
if (index != wxNOT_FOUND)
m_parent->RemovePage(static_cast<size_t>(index));
}
if (m_image_list && removed_image_id != wxBookCtrlBase::NO_IMAGE &&
removed_image_id >= 0 && removed_image_id < m_image_list->GetImageCount()) {
m_image_list->Remove(removed_image_id);
// wxImageList IDs are positional. Removing one shifts all later images down by
// one, so update both the page state and the notebook button for those pages.
for (const auto& [other_id, other_page] : m_pages) {
if (other_id == id)
continue;
const int other_image_id = other_page->get_icon_image_id();
if (other_image_id <= removed_image_id)
continue;
const int updated_image_id = other_image_id - 1;
other_page->set_icon_image_id(updated_image_id);
if (m_parent != nullptr) {
const int other_index = m_parent->FindPage(other_page);
if (other_index != wxNOT_FOUND)
m_parent->SetPageImage(static_cast<size_t>(other_index), updated_image_id);
}
}
}
page->Destroy();
m_pages.erase(it);
}
} // namespace Slic3r