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Add platform-specific MessageDialog stubs
Introduces initial stub implementations for MessageDialog on Android, iOS, Linux, OHOS, and Windows platforms. Each implementation provides basic structure and TODOs for future integration with native dialog APIs, enabling platform abstraction for message dialogs.
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‎src/platform/android/message_dialog_android.cpp‎

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#include "../../message_dialog.h"
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#include "../../dialog.h"
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namespace nativeapi {
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// Private implementation class for MessageDialog (Android stub)
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class MessageDialog::Impl {
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public:
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Impl(const std::string& title, const std::string& message)
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: title_(title), message_(message) {
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// TODO: Implement Android AlertDialog using JNI
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// Should use android.app.AlertDialog.Builder
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}
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~Impl() {
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// TODO: Cleanup if needed
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}
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void SetTitle(const std::string& title) {
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title_ = title;
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}
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std::string GetTitle() const {
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return title_;
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}
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void SetMessage(const std::string& message) {
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message_ = message;
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}
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std::string GetMessage() const {
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return message_;
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}
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bool Open(DialogModality modality) {
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// TODO: Implement using AlertDialog.Builder via JNI
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// AlertDialog.Builder builder = new AlertDialog.Builder(context);
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// builder.setTitle(title).setMessage(message).show();
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// For now, return false (not implemented)
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return false;
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}
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bool Close() {
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// TODO: Implement closing logic using dialog.dismiss()
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return false;
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}
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private:
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std::string title_;
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std::string message_;
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};
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// MessageDialog implementation
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MessageDialog::MessageDialog(const std::string& title, const std::string& message)
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: pimpl_(std::make_unique<Impl>(title, message)) {
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// Set default modality to None (non-modal)
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SetModality(DialogModality::None);
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}
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MessageDialog::~MessageDialog() = default;
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void MessageDialog::SetTitle(const std::string& title) {
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pimpl_->SetTitle(title);
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}
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std::string MessageDialog::GetTitle() const {
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return pimpl_->GetTitle();
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}
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void MessageDialog::SetMessage(const std::string& message) {
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pimpl_->SetMessage(message);
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}
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std::string MessageDialog::GetMessage() const {
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return pimpl_->GetMessage();
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}
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bool MessageDialog::Open() {
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DialogModality modality = GetModality();
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return pimpl_->Open(modality);
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}
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bool MessageDialog::Close() {
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return pimpl_->Close();
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}
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} // namespace nativeapi
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‎src/platform/ios/message_dialog_ios.mm‎

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#import <UIKit/UIKit.h>
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#include "../../message_dialog.h"
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#include "../../dialog.h"
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namespace nativeapi {
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// Private implementation class for MessageDialog (iOS stub)
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class MessageDialog::Impl {
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public:
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Impl(const std::string& title, const std::string& message)
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: title_(title), message_(message), alert_controller_(nil) {
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// TODO: Implement iOS UIAlertController
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// Should use UIAlertController with UIAlertControllerStyleAlert
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}
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~Impl() {
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if (alert_controller_) {
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alert_controller_ = nil;
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}
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}
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void SetTitle(const std::string& title) {
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title_ = title;
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}
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std::string GetTitle() const {
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return title_;
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}
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void SetMessage(const std::string& message) {
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message_ = message;
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}
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std::string GetMessage() const {
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return message_;
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}
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bool Open(DialogModality modality) {
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// TODO: Implement using UIAlertController
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// UIAlertController *alert = [UIAlertController
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// alertControllerWithTitle:@"title"
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// message:@"message"
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// preferredStyle:UIAlertControllerStyleAlert];
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// [viewController presentViewController:alert animated:YES completion:nil];
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// For now, return false (not implemented)
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return false;
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}
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bool Close() {
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// TODO: Implement closing logic using dismissViewControllerAnimated
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return false;
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}
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private:
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std::string title_;
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std::string message_;
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UIAlertController* alert_controller_;
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};
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// MessageDialog implementation
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MessageDialog::MessageDialog(const std::string& title, const std::string& message)
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: pimpl_(std::make_unique<Impl>(title, message)) {
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// Set default modality to None (non-modal)
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SetModality(DialogModality::None);
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}
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MessageDialog::~MessageDialog() = default;
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void MessageDialog::SetTitle(const std::string& title) {
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pimpl_->SetTitle(title);
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}
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std::string MessageDialog::GetTitle() const {
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return pimpl_->GetTitle();
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}
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void MessageDialog::SetMessage(const std::string& message) {
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pimpl_->SetMessage(message);
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}
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std::string MessageDialog::GetMessage() const {
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return pimpl_->GetMessage();
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}
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bool MessageDialog::Open() {
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DialogModality modality = GetModality();
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return pimpl_->Open(modality);
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}
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bool MessageDialog::Close() {
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return pimpl_->Close();
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}
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} // namespace nativeapi
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‎src/platform/linux/message_dialog_linux.cpp‎

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#include "../../message_dialog.h"
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#include "../../dialog.h"
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namespace nativeapi {
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// Private implementation class for MessageDialog (Linux stub)
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class MessageDialog::Impl {
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public:
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Impl(const std::string& title, const std::string& message)
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: title_(title), message_(message) {
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// TODO: Implement GTK message dialog (GtkMessageDialog or GtkDialog)
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}
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~Impl() {
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// TODO: Cleanup if needed
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}
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void SetTitle(const std::string& title) {
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title_ = title;
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}
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std::string GetTitle() const {
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return title_;
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}
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void SetMessage(const std::string& message) {
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message_ = message;
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}
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std::string GetMessage() const {
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return message_;
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}
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bool Open(DialogModality modality) {
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// TODO: Implement using gtk_message_dialog_new or gtk_dialog_new
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// For now, return false (not implemented)
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return false;
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}
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bool Close() {
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// TODO: Implement closing logic using gtk_widget_destroy
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return false;
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}
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private:
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std::string title_;
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std::string message_;
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};
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// MessageDialog implementation
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MessageDialog::MessageDialog(const std::string& title, const std::string& message)
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: pimpl_(std::make_unique<Impl>(title, message)) {
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// Set default modality to None (non-modal)
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SetModality(DialogModality::None);
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}
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MessageDialog::~MessageDialog() = default;
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void MessageDialog::SetTitle(const std::string& title) {
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pimpl_->SetTitle(title);
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}
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std::string MessageDialog::GetTitle() const {
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return pimpl_->GetTitle();
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}
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void MessageDialog::SetMessage(const std::string& message) {
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pimpl_->SetMessage(message);
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}
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std::string MessageDialog::GetMessage() const {
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return pimpl_->GetMessage();
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}
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bool MessageDialog::Open() {
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DialogModality modality = GetModality();
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return pimpl_->Open(modality);
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}
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bool MessageDialog::Close() {
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return pimpl_->Close();
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}
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} // namespace nativeapi
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‎src/platform/ohos/message_dialog_ohos.cpp‎

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#include "../../message_dialog.h"
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#include "../../dialog.h"
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namespace nativeapi {
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// Private implementation class for MessageDialog (OHOS stub)
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class MessageDialog::Impl {
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public:
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Impl(const std::string& title, const std::string& message)
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: title_(title), message_(message) {
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// TODO: Implement HarmonyOS dialog using ArkUI
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// Should use OHOS::Ace::DialogProperties or similar API
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}
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~Impl() {
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// TODO: Cleanup if needed
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}
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void SetTitle(const std::string& title) {
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title_ = title;
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}
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std::string GetTitle() const {
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return title_;
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}
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void SetMessage(const std::string& message) {
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message_ = message;
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}
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std::string GetMessage() const {
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return message_;
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}
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bool Open(DialogModality modality) {
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// TODO: Implement using HarmonyOS ArkUI dialog
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// Should use OHOS dialog APIs when available
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// For now, return false (not implemented)
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return false;
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}
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bool Close() {
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// TODO: Implement closing logic
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return false;
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}
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private:
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std::string title_;
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std::string message_;
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};
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// MessageDialog implementation
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MessageDialog::MessageDialog(const std::string& title, const std::string& message)
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: pimpl_(std::make_unique<Impl>(title, message)) {
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// Set default modality to None (non-modal)
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SetModality(DialogModality::None);
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}
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MessageDialog::~MessageDialog() = default;
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void MessageDialog::SetTitle(const std::string& title) {
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pimpl_->SetTitle(title);
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}
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std::string MessageDialog::GetTitle() const {
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return pimpl_->GetTitle();
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}
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void MessageDialog::SetMessage(const std::string& message) {
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pimpl_->SetMessage(message);
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}
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std::string MessageDialog::GetMessage() const {
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return pimpl_->GetMessage();
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}
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bool MessageDialog::Open() {
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DialogModality modality = GetModality();
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return pimpl_->Open(modality);
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}
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bool MessageDialog::Close() {
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return pimpl_->Close();
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}
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} // namespace nativeapi
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