[NOT FOR REVIEW] ash: Add some implementation for the window management extension API.

chrome/browser/ui/ash/window_manager_extension.cc

Index: chrome/browser/ui/ash/window_manager_extension.cc
diff --git a/chrome/browser/ui/ash/window_manager_extension.cc b/chrome/browser/ui/ash/window_manager_extension.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8698f17682c8eb57d25e04e85042dc7ac123641c
--- /dev/null
+++ b/chrome/browser/ui/ash/window_manager_extension.cc
@@ -0,0 +1,81 @@
+// Copyright (c) 2012 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 "chrome/browser/ui/ash/window_manager_extension.h"
+
+#include "base/json/json_writer.h"
+#include "base/memory/ref_counted.h"
+#include "chrome/browser/extensions/api/wm/wm_utils.h"
+#include "chrome/browser/extensions/event_names.h"
+#include "chrome/browser/extensions/event_router.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/extensions/api/experimental_wm.h"
+#include "ui/aura/window.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace {
+
+bool ShouldProcessWindow(const aura::Window* window) {
+  return (window->type() == aura::client::WINDOW_TYPE_NORMAL ||
+          window->type() == aura::client::WINDOW_TYPE_PANEL);
+}
+
+}  // namespace
+
+using namespace extensions;
+
+WindowManagerExtension::WindowManagerExtension() {
+}
+
+WindowManagerExtension::~WindowManagerExtension() {
+}
+
+void WindowManagerExtension::DispatchEventForWindow(aura::Window* window,
+                                                    const char event_name[]) {
+  extensions::api::experimental_wm::WmWindow extension_window;
+  extensions::api::wm::utils::NativeWindowToExtensionWindow(window,
+                                                            &extension_window);
+  scoped_ptr<ListValue> args(new ListValue());
+  args->Append(extension_window.ToValue().release());
+
+  Profile* profile = ProfileManager::GetDefaultProfileOrOffTheRecord();
+  profile->GetExtensionEventRouter()->DispatchEventToRenderers(
+      event_name,
+      args.Pass(),
+      NULL,
+      GURL());
+}
+
+void WindowManagerExtension::OnWindowCreated(aura::Window* window) {
+  if (!ShouldProcessWindow(window))
+    return;
+  DispatchEventForWindow(window, event_names::kWmOnWindowCreated);
+}
+
+void WindowManagerExtension::OnWindowClosed(aura::Window* window) {
+  if (!ShouldProcessWindow(window))
+    return;
+  DispatchEventForWindow(window, event_names::kWmOnWindowClosed);
+  extensions::api::wm::WindowIdTracker::GetInstance()->UntrackWindow(window);
+}
+
+void WindowManagerExtension::OnWindowHidden(aura::Window* window) {
+  if (!ShouldProcessWindow(window))
+    return;
+  DispatchEventForWindow(window, event_names::kWmOnWindowHidden);
+}
+
+void WindowManagerExtension::OnWindowShown(aura::Window* window) {
+  if (!ShouldProcessWindow(window))
+    return;
+  DispatchEventForWindow(window, event_names::kWmOnWindowShown);
+}
+
+void WindowManagerExtension::OnActiveWindowChanged(aura::Window* window) {
+  if (window && !ShouldProcessWindow(window))
+    return;
+  DispatchEventForWindow(window,
+                         event_names::kWmOnActiveWindowChanged);
+}