Add LauncherIconObserver.

ash/test/test_launcher_delegate.cc

+// 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 "ash/test/test_launcher_delegate.h"
+
+#include "ash/launcher/launcher_model.h"
+#include "ash/wm/window_util.h"
+#include "base/utf_string_conversions.h"
+#include "grit/ui_resources.h"
+#include "ui/aura/window.h"
+
+namespace ash {
+namespace test {
+
+TestLauncherDelegate::TestLauncherDelegate(LauncherModel* model)
+    : model_(model) {
+}
+
+void TestLauncherDelegate::OnWillRemoveWindow(aura::Window* window) {
+  ash::LauncherID id = GetIDByWindow(window);
+  if (id == 0)
+    return;
+  int index = model_->ItemIndexByID(id);
+  DCHECK_NE(-1, index);
+  model_->RemoveItemAt(index);
+  window_to_id_.erase(window);
+}
+
+void TestLauncherDelegate::CreateNewTab() {
+}
+
+void TestLauncherDelegate::CreateNewWindow() {
+}
+
+void TestLauncherDelegate::ItemClicked(const ash::LauncherItem& item) {
+  aura::Window* window = GetWindowByID(item.id);
+  window->Show();
+  ash::wm::ActivateWindow(window);
+}
+
+int TestLauncherDelegate::GetBrowserShortcutResourceId() {
+  return IDR_AURA_LAUNCHER_BROWSER_SHORTCUT;
+}
+
+string16 TestLauncherDelegate::GetTitle(const ash::LauncherItem& item) {
+  return GetWindowByID(item.id)->title();
+}
+
+ui::MenuModel* TestLauncherDelegate::CreateContextMenu(
+    const ash::LauncherItem& item) {
+  return NULL;
+}
+
+ui::MenuModel* TestLauncherDelegate::CreateContextMenuForLauncher() {
+  return NULL;
+}
+
+ash::LauncherID TestLauncherDelegate::GetIDByWindow(aura::Window* window) {
+  WindowToID::const_iterator found = window_to_id_.find(window);
+  if (found == window_to_id_.end())
+    return 0;
+  return found->second;
+}
+
+void TestLauncherDelegate::AddLauncherItem(aura::Window* window) {

[sky, 2012/04/19 00:05:40]

Position should match header.

[dcheng, 2012/04/19 20:18:15]

Done.

+  ash::LauncherItem item;
+  item.type = ash::TYPE_TABBED;
+  window_to_id_[window] = model_->next_id();

[sky, 2012/04/19 00:05:40]

How about a DCHECK(window_to_id_.find(window) == window_to_id_.end())

[dcheng, 2012/04/19 20:18:15]

Done.

+  item.image.setConfig(SkBitmap::kARGB_8888_Config, 16, 16);
+  item.image.allocPixels();
+  model_->Add(item);
+  if (observed_windows_.find(window->parent()) == observed_windows_.end()) {
+    window->parent()->AddObserver(this);

[sky, 2012/04/19 00:05:40]

You never remove this observer.

[dcheng, 2012/04/19 20:18:15]

Done.

+    observed_windows_.insert(window->parent());
+  }
+}
+
+aura::Window* TestLauncherDelegate::GetWindowByID(ash::LauncherID id) {
+  for (WindowToID::const_iterator it = window_to_id_.begin();
+      it != window_to_id_.end();
+      it++) {
+    if (it->second == id)
+      return it->first;
+  }
+  return NULL;
+}
+

[sky, 2012/04/19 00:05:40]

nit: only one newline.

[dcheng, 2012/04/19 20:18:15]

Done.

+
+}  // namespace test
+}  // namespace ash