Resize synchronization for Linux.

chrome/browser/gpu_process_host.cc

Index: chrome/browser/gpu_process_host.cc
diff --git a/chrome/browser/gpu_process_host.cc b/chrome/browser/gpu_process_host.cc
index 639d1006dfe3969952e4cc2ae51c7f7ca1e40365..f5f23c40a7e983906dd07d4d73b0275026ab5b7e 100644
--- a/chrome/browser/gpu_process_host.cc
+++ b/chrome/browser/gpu_process_host.cc
@@ -22,6 +22,8 @@
 #include "media/base/media_switches.h"
 
 #if defined(OS_LINUX)
+#include <gdk/gdkwindow.h>
+#include <gdk/gdkx.h>
 #include "app/x11_util.h"
 #include "gfx/gtk_native_view_id_manager.h"
 #endif
@@ -161,6 +163,7 @@ void GpuProcessHost::OnControlMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(GpuHostMsg_SynchronizeReply, OnSynchronizeReply)
 #if defined(OS_LINUX)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuHostMsg_GetViewXID, OnGetViewXID)
+    IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuHostMsg_ResizeXID, OnResizeXID)
 #elif defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceSetIOSurface,
                         OnAcceleratedSurfaceSetIOSurface)
@@ -214,7 +217,24 @@ void GetViewXIDDispatcher(gfx::NativeViewId id, IPC::Message* reply_msg) {
       NewRunnableFunction(&SendDelayedReply, reply_msg));
 }
 
-} // namespace
+void ResizeXIDDispatcher(unsigned long xid, int32 width, int32 height,

[nduca, 2010/11/23 16:59:49]

same comments about in32

[jonathan.backer, 2010/11/23 21:00:19]

Done.

+                         IPC::Message *reply_msg) {
+  GdkWindow* window = reinterpret_cast<GdkWindow*>(gdk_xid_table_lookup(xid));
+  if (window) {
+    Display* display = GDK_WINDOW_XDISPLAY(window);
+    gdk_window_resize(window, width, height);
+    XSync(display, False);
+  }
+
+  GpuHostMsg_ResizeXID::WriteReplyParams(reply_msg, (window != NULL));
+
+  // Have to reply from IO thread.
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      NewRunnableFunction(&SendDelayedReply, reply_msg));
+}
+
+}  // namespace
 
 void GpuProcessHost::OnGetViewXID(gfx::NativeViewId id,
                                   IPC::Message *reply_msg) {
@@ -224,6 +244,14 @@ void GpuProcessHost::OnGetViewXID(gfx::NativeViewId id,
       NewRunnableFunction(&GetViewXIDDispatcher, id, reply_msg));
 }

[nduca, 2010/11/23 16:59:49]

int32

[jonathan.backer, 2010/11/23 21:00:19]

Done.

 
+void GpuProcessHost::OnResizeXID(unsigned long xid, int32 width, int32 height,
+                                 IPC::Message *reply_msg) {
+  // Have to resize the window from UI thread.
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      NewRunnableFunction(&ResizeXIDDispatcher, xid, width, height, reply_msg));
+}
+
 #elif defined(OS_MACOSX)
 
 namespace {