From 5950736efaf4d1434bdabc17ad23ee82830bc58b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=BCseyin=20ASLIT=C3=9CRK?= <asliturk@hotmail.com>
Date: Thu, 18 Jun 2020 13:14:00 +0300
Subject: [PATCH] WindowServer: Add a new IsMaximized message

New message to query window maximized state.
---
 Services/WindowServer/ClientConnection.cpp | 10 ++++++++++
 Services/WindowServer/ClientConnection.h   |  1 +
 Services/WindowServer/WindowServer.ipc     |  2 ++
 3 files changed, 13 insertions(+)

diff --git a/Services/WindowServer/ClientConnection.cpp b/Services/WindowServer/ClientConnection.cpp
index 56353cda36..ffada938af 100644
--- a/Services/WindowServer/ClientConnection.cpp
+++ b/Services/WindowServer/ClientConnection.cpp
@@ -361,6 +361,16 @@ OwnPtr<Messages::WindowServer::GetWindowTitleResponse> ClientConnection::handle(
     return make<Messages::WindowServer::GetWindowTitleResponse>(it->value->title());
 }
 
+OwnPtr<Messages::WindowServer::IsMaximizedResponse> ClientConnection::handle(const Messages::WindowServer::IsMaximized& message)
+{
+    auto it = m_windows.find(message.window_id());
+    if (it == m_windows.end()) {
+        did_misbehave("IsMaximized: Bad window ID");
+        return nullptr;
+    }
+    return make<Messages::WindowServer::IsMaximizedResponse>(it->value->is_minimized());
+}
+
 OwnPtr<Messages::WindowServer::SetWindowIconBitmapResponse> ClientConnection::handle(const Messages::WindowServer::SetWindowIconBitmap& message)
 {
     auto it = m_windows.find(message.window_id());
diff --git a/Services/WindowServer/ClientConnection.h b/Services/WindowServer/ClientConnection.h
index ea4d822d55..0ca52c1531 100644
--- a/Services/WindowServer/ClientConnection.h
+++ b/Services/WindowServer/ClientConnection.h
@@ -108,6 +108,7 @@ private:
     virtual OwnPtr<Messages::WindowServer::DestroyWindowResponse> handle(const Messages::WindowServer::DestroyWindow&) override;
     virtual OwnPtr<Messages::WindowServer::SetWindowTitleResponse> handle(const Messages::WindowServer::SetWindowTitle&) override;
     virtual OwnPtr<Messages::WindowServer::GetWindowTitleResponse> handle(const Messages::WindowServer::GetWindowTitle&) override;
+    virtual OwnPtr<Messages::WindowServer::IsMaximizedResponse> handle(const Messages::WindowServer::IsMaximized&) override;
     virtual OwnPtr<Messages::WindowServer::SetWindowRectResponse> handle(const Messages::WindowServer::SetWindowRect&) override;
     virtual OwnPtr<Messages::WindowServer::GetWindowRectResponse> handle(const Messages::WindowServer::GetWindowRect&) override;
     virtual void handle(const Messages::WindowServer::InvalidateRect&) override;
diff --git a/Services/WindowServer/WindowServer.ipc b/Services/WindowServer/WindowServer.ipc
index 128fdb83c0..3e3801247f 100644
--- a/Services/WindowServer/WindowServer.ipc
+++ b/Services/WindowServer/WindowServer.ipc
@@ -54,6 +54,8 @@ endpoint WindowServer = 2
     SetWindowRect(i32 window_id, Gfx::IntRect rect) => (Gfx::IntRect rect)
     GetWindowRect(i32 window_id) => (Gfx::IntRect rect)
 
+    IsMaximized(i32 window_id) => (bool maximized)
+
     InvalidateRect(i32 window_id, Vector<Gfx::IntRect> rects, bool ignore_occlusion) =|
     DidFinishPainting(i32 window_id, Vector<Gfx::IntRect> rects) =|