arc: Support running Arc app in shelf

chrome/browser/ui/ash/launcher/app_window_launcher_controller.cc

 // Copyright 2014 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/launcher/app_window_launcher_controller.h"
 
-#include "ash/shelf/shelf_util.h"
 #include "ash/shell.h"
-#include "ash/wm/window_util.h"
-#include "base/strings/stringprintf.h"
-#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
-#include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
-#include "extensions/browser/app_window/app_window.h"
-#include "extensions/common/extension.h"
-#include "ui/aura/window_event_dispatcher.h"
 #include "ui/wm/public/activation_client.h"
 
-using extensions::AppWindow;
-using extensions::AppWindowRegistry;
-
-namespace {
-
-std::string GetAppShelfId(AppWindow* app_window) {
-  if (app_window->window_type_is_panel())
-    return base::StringPrintf("panel:%d", app_window->session_id().id());
-  return app_window->extension_id();
-}
-
-}  // namespace
-
 AppWindowLauncherController::AppWindowLauncherController(
     ChromeLauncherController* owner)
-    : owner_(owner), activation_client_(NULL) {
-AppWindowRegistry* registry = AppWindowRegistry::Get(owner->profile());
-  registry_.insert(registry);
-  registry->AddObserver(this);
+    : owner_(owner) {
   if (ash::Shell::HasInstance()) {
     if (ash::Shell::GetInstance()->GetPrimaryRootWindow()) {
       activation_client_ = aura::client::GetActivationClient(
           ash::Shell::GetInstance()->GetPrimaryRootWindow());
       if (activation_client_)
         activation_client_->AddObserver(this);
     }
   }
 }
 
 AppWindowLauncherController::~AppWindowLauncherController() {
-  for (std::set<AppWindowRegistry*>::iterator it = registry_.begin();
-       it != registry_.end();
-       ++it)
-    (*it)->RemoveObserver(this);
-
   if (activation_client_)
     activation_client_->RemoveObserver(this);
-  for (WindowToAppShelfIdMap::iterator iter =
-           window_to_app_shelf_id_map_.begin();
-       iter != window_to_app_shelf_id_map_.end();
-       ++iter) {
-    iter->first->RemoveObserver(this);
-  }
-}
-
-void AppWindowLauncherController::AdditionalUserAddedToSession(
-    Profile* profile) {
-  // TODO(skuhne): This was added for the legacy side by side mode in M32. If
-  // this mode gets no longer pursued this special case can be removed.
-  if (chrome::MultiUserWindowManager::GetMultiProfileMode() !=
-      chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_MIXED)
-    return;
-
-  AppWindowRegistry* registry = AppWindowRegistry::Get(profile);
-  if (registry_.find(registry) != registry_.end())
-    return;
-
-  registry->AddObserver(this);
-  registry_.insert(registry);
-}
-
-void AppWindowLauncherController::OnAppWindowIconChanged(
-    AppWindow* app_window) {
-  const std::string app_shelf_id = GetAppShelfId(app_window);
-  AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
-  if (iter == app_controller_map_.end())
-    return;
-  AppWindowLauncherItemController* controller = iter->second;
-  controller->set_image_set_by_controller(true);
-  owner_->SetLauncherItemImage(controller->shelf_id(),
-                               app_window->app_icon().AsImageSkia());
-}
-
-void AppWindowLauncherController::OnAppWindowShown(AppWindow* app_window,
-                                                   bool was_hidden) {
-  aura::Window* window = app_window->GetNativeWindow();
-  if (!IsRegisteredApp(window))
-    RegisterApp(app_window);
-}
-
-void AppWindowLauncherController::OnAppWindowHidden(AppWindow* app_window) {
-  aura::Window* window = app_window->GetNativeWindow();
-  if (IsRegisteredApp(window))
-    UnregisterApp(window);
-}
-
-// Called from aura::Window::~Window(), before delegate_->OnWindowDestroyed()
-// which destroys AppWindow, so both |window| and the associated AppWindow
-// are valid here.
-void AppWindowLauncherController::OnWindowDestroying(aura::Window* window) {
-  UnregisterApp(window);
 }
 
 void AppWindowLauncherController::OnWindowActivated(
     aura::client::ActivationChangeObserver::ActivationReason reason,
     aura::Window* new_active,
     aura::Window* old_active) {
   // Make the newly active window the active (first) entry in the controller.
   AppWindowLauncherItemController* new_controller =
       ControllerForWindow(new_active);
   if (new_controller) {
     new_controller->SetActiveWindow(new_active);
     owner_->SetItemStatus(new_controller->shelf_id(), ash::STATUS_ACTIVE);
   }
 
   // Mark the old active window's launcher item as running (if different).
   AppWindowLauncherItemController* old_controller =
       ControllerForWindow(old_active);
   if (old_controller && old_controller != new_controller)
     owner_->SetItemStatus(old_controller->shelf_id(), ash::STATUS_RUNNING);
 }
-
-void AppWindowLauncherController::RegisterApp(AppWindow* app_window) {
-  // Windows created by IME extension should be treated the same way as the
-  // virtual keyboard window, which does not register itself in launcher.
-  if (app_window->is_ime_window())
-    return;
-
-  aura::Window* window = app_window->GetNativeWindow();
-  // Get the app's shelf identifier and add an entry to the map.
-  DCHECK(window_to_app_shelf_id_map_.find(window) ==
-         window_to_app_shelf_id_map_.end());
-  const std::string app_shelf_id = GetAppShelfId(app_window);
-  window_to_app_shelf_id_map_[window] = app_shelf_id;
-  window->AddObserver(this);
-
-  // Find or create an item controller and launcher item.
-  std::string app_id = app_window->extension_id();
-  ash::ShelfItemStatus status = ash::wm::IsActiveWindow(window)
-                                    ? ash::STATUS_ACTIVE
-                                    : ash::STATUS_RUNNING;
-  AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
-  ash::ShelfID shelf_id = 0;
-  if (iter != app_controller_map_.end()) {
-    AppWindowLauncherItemController* controller = iter->second;
-    DCHECK(controller->app_id() == app_id);
-    shelf_id = controller->shelf_id();
-    controller->AddAppWindow(app_window, status);
-  } else {
-    LauncherItemController::Type type =
-        app_window->window_type_is_panel()
-            ? LauncherItemController::TYPE_APP_PANEL
-            : LauncherItemController::TYPE_APP;
-    AppWindowLauncherItemController* controller =
-        new AppWindowLauncherItemController(type, app_shelf_id, app_id, owner_);
-    controller->AddAppWindow(app_window, status);
-    // If the app shelf id is not unique, and there is already a shelf
-    // item for this app id (e.g. pinned), use that shelf item.
-    if (app_shelf_id == app_id)
-      shelf_id = owner_->GetShelfIDForAppID(app_id);
-    if (shelf_id == 0) {
-      shelf_id = owner_->CreateAppLauncherItem(controller, app_id, status);
-      // Restore any existing app icon and flag as set.
-      const gfx::Image& app_icon = app_window->app_icon();
-      if (!app_icon.IsEmpty()) {
-        owner_->SetLauncherItemImage(shelf_id, app_icon.AsImageSkia());
-        controller->set_image_set_by_controller(true);
-      }
-    } else {
-      owner_->SetItemController(shelf_id, controller);
-    }
-    const std::string app_shelf_id = GetAppShelfId(app_window);
-    app_controller_map_[app_shelf_id] = controller;
-  }
-  owner_->SetItemStatus(shelf_id, status);
-  ash::SetShelfIDForWindow(shelf_id, window);
-}
-
-void AppWindowLauncherController::UnregisterApp(aura::Window* window) {
-  WindowToAppShelfIdMap::iterator iter1 =
-      window_to_app_shelf_id_map_.find(window);
-  DCHECK(iter1 != window_to_app_shelf_id_map_.end());
-  std::string app_shelf_id = iter1->second;
-  window_to_app_shelf_id_map_.erase(iter1);
-  window->RemoveObserver(this);
-
-  AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
-  DCHECK(iter2 != app_controller_map_.end());
-  AppWindowLauncherItemController* controller = iter2->second;
-  controller->RemoveAppWindowForWindow(window);
-  if (controller->app_window_count() == 0) {
-    // If this is the last window associated with the app shelf id, close the
-    // shelf item.
-    ash::ShelfID shelf_id = controller->shelf_id();
-    owner_->CloseLauncherItem(shelf_id);
-    app_controller_map_.erase(iter2);
-  }
-}
-
-bool AppWindowLauncherController::IsRegisteredApp(aura::Window* window) {
-  return window_to_app_shelf_id_map_.find(window) !=
-         window_to_app_shelf_id_map_.end();
-}
-
-// Private Methods
-
-AppWindowLauncherItemController*
-AppWindowLauncherController::ControllerForWindow(aura::Window* window) {
-  WindowToAppShelfIdMap::iterator iter1 =
-      window_to_app_shelf_id_map_.find(window);
-  if (iter1 == window_to_app_shelf_id_map_.end())
-    return NULL;
-  std::string app_shelf_id = iter1->second;
-  AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
-  if (iter2 == app_controller_map_.end())
-    return NULL;
-  return iter2->second;
-}