Move *ShellWindowLauncher* to *AppWindowLauncher*

chrome/browser/ui/ash/launcher/shell_window_launcher_item_controller.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 "chrome/browser/ui/ash/launcher/shell_window_launcher_item_controller.h"
-
-#include "apps/app_window.h"
-#include "apps/ui/native_app_window.h"
-#include "ash/shelf/shelf_model.h"
-#include "ash/wm/window_state.h"
-#include "ash/wm/window_util.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
-#include "chrome/browser/ui/ash/launcher/launcher_application_menu_item_model.h"
-#include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
-#include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
-#include "content/public/browser/web_contents.h"
-#include "skia/ext/image_operations.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/window.h"
-#include "ui/events/event.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/views/corewm/window_animations.h"
-
-using apps::AppWindow;
-
-namespace {
-
-// Size of the icon in the shelf launcher in display-independent pixels.
-const int kAppListIconSize = 24;
-
-// This will return a slightly smaller icon than the app icon to be used in
-// the application list menu.
-scoped_ptr<gfx::Image> GetAppListIcon(AppWindow* app_window) {
-  // TODO(skuhne): We instead might want to use LoadImages in
-  // AppWindow::UpdateExtensionAppIcon() to let the extension give us
-  // pre-defined icons in the launcher and the launcher list sizes. Since there
-  // is no mock yet, doing this now seems a bit premature and we scale for the
-  // time being.
-  if (app_window->app_icon().IsEmpty())
-    return make_scoped_ptr(new gfx::Image());
-
-  SkBitmap bmp =
-      skia::ImageOperations::Resize(*app_window->app_icon().ToSkBitmap(),
-                                    skia::ImageOperations::RESIZE_BEST,
-                                    kAppListIconSize,
-                                    kAppListIconSize);
-  return make_scoped_ptr(
-      new gfx::Image(gfx::ImageSkia::CreateFrom1xBitmap(bmp)));
-}
-
-// Functor for std::find_if used in AppLauncherItemController.
-class AppWindowHasWindow {
- public:
-  explicit AppWindowHasWindow(aura::Window* window) : window_(window) {}
-
-  bool operator()(AppWindow* app_window) const {
-    return app_window->GetNativeWindow() == window_;
-  }
-
- private:
-  const aura::Window* window_;
-};
-
-}  // namespace
-
-ShellWindowLauncherItemController::ShellWindowLauncherItemController(
-    Type type,
-    const std::string& app_shelf_id,
-    const std::string& app_id,
-    ChromeLauncherController* controller)
-    : LauncherItemController(type, app_id, controller),
-      last_active_app_window_(NULL),
-      app_shelf_id_(app_shelf_id),
-      observed_windows_(this) {}
-
-ShellWindowLauncherItemController::~ShellWindowLauncherItemController() {
-}
-
-void ShellWindowLauncherItemController::AddAppWindow(
-    AppWindow* app_window,
-    ash::ShelfItemStatus status) {
-  if (app_window->window_type_is_panel() && type() != TYPE_APP_PANEL)
-    LOG(ERROR) << "AppWindow of type Panel added to non-panel launcher item";
-  app_windows_.push_front(app_window);
-  observed_windows_.Add(app_window->GetNativeWindow());
-}
-
-void ShellWindowLauncherItemController::RemoveShellWindowForWindow(
-    aura::Window* window) {
-  AppWindowList::iterator iter = std::find_if(
-      app_windows_.begin(), app_windows_.end(), AppWindowHasWindow(window));
-  if (iter != app_windows_.end()) {
-    if (*iter == last_active_app_window_)
-      last_active_app_window_ = NULL;
-    app_windows_.erase(iter);
-  }
-  observed_windows_.Remove(window);
-}
-
-void ShellWindowLauncherItemController::SetActiveWindow(aura::Window* window) {
-  AppWindowList::iterator iter = std::find_if(
-      app_windows_.begin(), app_windows_.end(), AppWindowHasWindow(window));
-  if (iter != app_windows_.end())
-    last_active_app_window_ = *iter;
-}
-
-bool ShellWindowLauncherItemController::IsOpen() const {
-  return !app_windows_.empty();
-}
-
-bool ShellWindowLauncherItemController::IsVisible() const {
-  // Return true if any windows are visible.
-  for (AppWindowList::const_iterator iter = app_windows_.begin();
-       iter != app_windows_.end();
-       ++iter) {
-    if ((*iter)->GetNativeWindow()->IsVisible())
-      return true;
-  }
-  return false;
-}
-
-void ShellWindowLauncherItemController::Launch(ash::LaunchSource source,
-                                               int event_flags) {
-  launcher_controller()->LaunchApp(app_id(),
-                                   source,
-                                   ui::EF_NONE);
-}
-
-bool ShellWindowLauncherItemController::Activate(ash::LaunchSource source) {
-  DCHECK(!app_windows_.empty());
-  AppWindow* window_to_activate =
-      last_active_app_window_ ? last_active_app_window_ : app_windows_.back();
-  window_to_activate->GetBaseWindow()->Activate();
-  return false;
-}
-
-void ShellWindowLauncherItemController::Close() {
-  // Note: Closing windows may affect the contents of app_windows_.
-  AppWindowList windows_to_close = app_windows_;
-  for (AppWindowList::iterator iter = windows_to_close.begin();
-       iter != windows_to_close.end();
-       ++iter) {
-    (*iter)->GetBaseWindow()->Close();
-  }
-}
-
-void ShellWindowLauncherItemController::ActivateIndexedApp(size_t index) {
-  if (index >= app_windows_.size())
-    return;
-  AppWindowList::iterator it = app_windows_.begin();
-  std::advance(it, index);
-  ShowAndActivateOrMinimize(*it);
-}
-
-ChromeLauncherAppMenuItems
-ShellWindowLauncherItemController::GetApplicationList(int event_flags) {
-  ChromeLauncherAppMenuItems items;
-  items.push_back(new ChromeLauncherAppMenuItem(GetTitle(), NULL, false));
-  int index = 0;
-  for (AppWindowList::iterator iter = app_windows_.begin();
-       iter != app_windows_.end();
-       ++iter) {
-    AppWindow* app_window = *iter;
-    scoped_ptr<gfx::Image> image(GetAppListIcon(app_window));
-    items.push_back(new ChromeLauncherAppMenuItemV2App(
-        app_window->GetTitle(),
-        image.get(),  // Will be copied
-        app_id(),
-        launcher_controller(),
-        index,
-        index == 0 /* has_leading_separator */));
-    ++index;
-  }
-  return items.Pass();
-}
-
-bool ShellWindowLauncherItemController::ItemSelected(const ui::Event& event) {
-  if (app_windows_.empty())
-    return false;
-  if (type() == TYPE_APP_PANEL) {
-    DCHECK(app_windows_.size() == 1);
-    AppWindow* panel = app_windows_.front();
-    aura::Window* panel_window = panel->GetNativeWindow();
-    // If the panel is attached on another display, move it to the current
-    // display and activate it.
-    if (ash::wm::GetWindowState(panel_window)->panel_attached() &&
-        ash::wm::MoveWindowToEventRoot(panel_window, event)) {
-      if (!panel->GetBaseWindow()->IsActive())
-        ShowAndActivateOrMinimize(panel);
-    } else {
-      ShowAndActivateOrMinimize(panel);
-    }
-  } else {
-    AppWindow* window_to_show = last_active_app_window_
-                                    ? last_active_app_window_
-                                    : app_windows_.front();
-    // If the event was triggered by a keystroke, we try to advance to the next
-    // item if the window we are trying to activate is already active.
-    if (app_windows_.size() >= 1 &&
-        window_to_show->GetBaseWindow()->IsActive() &&
-        event.type() == ui::ET_KEY_RELEASED) {
-      ActivateOrAdvanceToNextShellWindow(window_to_show);
-    } else {
-      ShowAndActivateOrMinimize(window_to_show);
-    }
-  }
-  return false;
-}
-
-base::string16 ShellWindowLauncherItemController::GetTitle() {
-  // For panels return the title of the contents if set.
-  // Otherwise return the title of the app.
-  if (type() == TYPE_APP_PANEL && !app_windows_.empty()) {
-    AppWindow* app_window = app_windows_.front();
-    if (app_window->web_contents()) {
-      base::string16 title = app_window->web_contents()->GetTitle();
-      if (!title.empty())
-        return title;
-    }
-  }
-  return GetAppTitle();
-}
-
-ui::MenuModel* ShellWindowLauncherItemController::CreateContextMenu(
-    aura::Window* root_window) {
-  ash::ShelfItem item =
-      *(launcher_controller()->model()->ItemByID(shelf_id()));
-  return new LauncherContextMenu(launcher_controller(), &item, root_window);
-}
-
-ash::ShelfMenuModel* ShellWindowLauncherItemController::CreateApplicationMenu(
-    int event_flags) {
-  return new LauncherApplicationMenuItemModel(GetApplicationList(event_flags));
-}
-
-bool ShellWindowLauncherItemController::IsDraggable() {
-  if (type() == TYPE_APP_PANEL)
-    return true;
-  return launcher_controller()->CanPin() ? true : false;
-}
-
-bool ShellWindowLauncherItemController::ShouldShowTooltip() {
-  if (type() == TYPE_APP_PANEL && IsVisible())
-    return false;
-  return true;
-}
-
-void ShellWindowLauncherItemController::OnWindowPropertyChanged(
-    aura::Window* window,
-    const void* key,
-    intptr_t old) {
-  if (key == aura::client::kDrawAttentionKey) {
-    ash::ShelfItemStatus status;
-    if (ash::wm::IsActiveWindow(window)) {
-      status = ash::STATUS_ACTIVE;
-    } else if (window->GetProperty(aura::client::kDrawAttentionKey)) {
-      status = ash::STATUS_ATTENTION;
-    } else {
-      status = ash::STATUS_RUNNING;
-    }
-    launcher_controller()->SetItemStatus(shelf_id(), status);
-  }
-}
-
-void ShellWindowLauncherItemController::ShowAndActivateOrMinimize(
-    AppWindow* app_window) {
-  // Either show or minimize windows when shown from the launcher.
-  launcher_controller()->ActivateWindowOrMinimizeIfActive(
-      app_window->GetBaseWindow(), GetApplicationList(0).size() == 2);
-}
-
-void ShellWindowLauncherItemController::ActivateOrAdvanceToNextShellWindow(
-    AppWindow* window_to_show) {
-  AppWindowList::iterator i(
-      std::find(app_windows_.begin(), app_windows_.end(), window_to_show));
-  if (i != app_windows_.end()) {
-    if (++i != app_windows_.end())
-      window_to_show = *i;
-    else
-      window_to_show = app_windows_.front();
-  }
-  if (window_to_show->GetBaseWindow()->IsActive()) {
-    // Coming here, only a single window is active. For keyboard activations
-    // the window gets animated.
-    AnimateWindow(window_to_show->GetNativeWindow(),
-                  views::corewm::WINDOW_ANIMATION_TYPE_BOUNCE);
-  } else {
-    ShowAndActivateOrMinimize(window_to_show);
-  }
-}