1 files changed, 145 insertions, 0 deletions
diff --git a/app/gfx/gtk_native_view_id_manager.cc b/app/gfx/gtk_native_view_id_manager.cc
new file mode 100644
index 0000000..b0dcc10
--- /dev/null
+++ b/app/gfx/gtk_native_view_id_manager.cc
@@ -0,0 +1,145 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "app/gfx/gtk_native_view_id_manager.h"
+
+#include "base/gfx/rect.h"
+#include "base/logging.h"
+#include "base/rand_util.h"
+
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+// -----------------------------------------------------------------------------
+// Bounce functions for GTK to callback into a C++ object...
+
+static void OnRealize(gfx::NativeView widget, void* arg) {
+  GtkNativeViewManager* manager = reinterpret_cast<GtkNativeViewManager*>(arg);
+  manager->OnRealize(widget);
+}
+
+static void OnUnrealize(gfx::NativeView widget, void *arg) {
+  GtkNativeViewManager* manager = reinterpret_cast<GtkNativeViewManager*>(arg);
+  manager->OnUnrealize(widget);
+}
+
+static void OnDestroy(GtkObject* obj, void* arg) {
+  GtkNativeViewManager* manager = reinterpret_cast<GtkNativeViewManager*>(arg);
+  manager->OnDestroy(reinterpret_cast<GtkWidget*>(obj));
+}
+
+// -----------------------------------------------------------------------------
+
+
+// -----------------------------------------------------------------------------
+// Public functions...
+
+GtkNativeViewManager::GtkNativeViewManager() {
+}
+
+gfx::NativeViewId GtkNativeViewManager::GetIdForWidget(gfx::NativeView widget) {
+  // This is just for unit tests:
+  if (!widget)
+    return 0;
+
+  AutoLock locked(lock_);
+
+  std::map<gfx::NativeView, gfx::NativeViewId>::const_iterator i =
+    native_view_to_id_.find(widget);
+
+  if (i != native_view_to_id_.end())
+    return i->second;
+
+  gfx::NativeViewId new_id =
+      static_cast<gfx::NativeViewId>(base::RandUint64());
+  while (id_to_info_.find(new_id) != id_to_info_.end())
+    new_id = static_cast<gfx::NativeViewId>(base::RandUint64());
+
+  NativeViewInfo info;
+  if (GTK_WIDGET_REALIZED(widget)) {
+    GdkWindow *gdk_window = widget->window;
+    CHECK(gdk_window);
+    info.x_window_id = GDK_WINDOW_XID(gdk_window);
+  }
+
+  native_view_to_id_[widget] = new_id;
+  id_to_info_[new_id] = info;
+
+  g_signal_connect(widget, "realize", G_CALLBACK(::OnRealize), this);
+  g_signal_connect(widget, "unrealize", G_CALLBACK(::OnUnrealize), this);
+  g_signal_connect(widget, "destroy", G_CALLBACK(::OnDestroy), this);
+
+  return new_id;
+}
+
+bool GtkNativeViewManager::GetXIDForId(XID* output, gfx::NativeViewId id) {
+  AutoLock locked(lock_);
+
+  std::map<gfx::NativeViewId, NativeViewInfo>::const_iterator i =
+    id_to_info_.find(id);
+
+  if (i == id_to_info_.end())
+    return false;
+
+  *output = i->second.x_window_id;
+  return true;
+}
+
+// -----------------------------------------------------------------------------
+
+
+// -----------------------------------------------------------------------------
+// Private functions...
+
+gfx::NativeViewId GtkNativeViewManager::GetWidgetId(gfx::NativeView widget) {
+  lock_.AssertAcquired();
+
+  std::map<gfx::NativeView, gfx::NativeViewId>::const_iterator i =
+    native_view_to_id_.find(widget);
+
+  CHECK(i != native_view_to_id_.end());
+  return i->second;
+}
+
+void GtkNativeViewManager::OnRealize(gfx::NativeView widget) {
+  AutoLock locked(lock_);
+
+  const gfx::NativeViewId id = GetWidgetId(widget);
+  std::map<gfx::NativeViewId, NativeViewInfo>::iterator i =
+    id_to_info_.find(id);
+
+  CHECK(i != id_to_info_.end());
+  CHECK(widget->window);
+
+  i->second.x_window_id = GDK_WINDOW_XID(widget->window);
+}
+
+void GtkNativeViewManager::OnUnrealize(gfx::NativeView widget) {
+  AutoLock locked(lock_);
+
+  const gfx::NativeViewId id = GetWidgetId(widget);
+  std::map<gfx::NativeViewId, NativeViewInfo>::iterator i =
+    id_to_info_.find(id);
+
+  CHECK(i != id_to_info_.end());
+
+  i->second.x_window_id = 0;
+}
+
+void GtkNativeViewManager::OnDestroy(gfx::NativeView widget) {
+  AutoLock locked(lock_);
+
+  std::map<gfx::NativeView, gfx::NativeViewId>::iterator i =
+    native_view_to_id_.find(widget);
+  CHECK(i != native_view_to_id_.end());
+
+  std::map<gfx::NativeViewId, NativeViewInfo>::iterator j =
+    id_to_info_.find(i->second);
+  CHECK(j != id_to_info_.end());
+
+  native_view_to_id_.erase(i);
+  id_to_info_.erase(j);
+}
+
+// -----------------------------------------------------------------------------