Rename MaximizeMode to TabletMode

ash/wm/tablet_mode/tablet_mode_window_manager.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 "ash/wm/maximize_mode/maximize_mode_window_manager.h"
+#include "ash/wm/tablet_mode/tablet_mode_window_manager.h"
 
 #include "ash/ash_switches.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_port.h"
-#include "ash/wm/maximize_mode/maximize_mode_backdrop_delegate_impl.h"
-#include "ash/wm/maximize_mode/maximize_mode_event_handler.h"
-#include "ash/wm/maximize_mode/maximize_mode_window_state.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/overview/window_selector_controller.h"
+#include "ash/wm/tablet_mode/tablet_mode_backdrop_delegate_impl.h"
+#include "ash/wm/tablet_mode/tablet_mode_event_handler.h"
+#include "ash/wm/tablet_mode/tablet_mode_window_state.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/wm_event.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/display/screen.h"
 
 namespace ash {
 
 namespace {
 
 // Exits overview mode if it is currently active.
 void CancelOverview() {
   WindowSelectorController* controller =
       Shell::Get()->window_selector_controller();
   if (controller->IsSelecting())
     controller->OnSelectionEnded();
 }
 
 }  // namespace
 
-MaximizeModeWindowManager::~MaximizeModeWindowManager() {
-  // Overview mode needs to be ended before exiting maximize mode to prevent
+TabletModeWindowManager::~TabletModeWindowManager() {
+  // Overview mode needs to be ended before exiting tablet mode to prevent
   // transforming windows which are currently in
   // overview: http://crbug.com/366605
   CancelOverview();
   for (aura::Window* window : added_windows_)
     window->RemoveObserver(this);
   added_windows_.clear();
   Shell::Get()->RemoveShellObserver(this);
   display::Screen::GetScreen()->RemoveObserver(this);
   EnableBackdropBehindTopWindowOnEachDisplay(false);
   RemoveWindowCreationObservers();
   RestoreAllWindows();
 }
 
-int MaximizeModeWindowManager::GetNumberOfManagedWindows() {
+int TabletModeWindowManager::GetNumberOfManagedWindows() {
   return window_state_map_.size();
 }
 
-void MaximizeModeWindowManager::AddWindow(aura::Window* window) {
+void TabletModeWindowManager::AddWindow(aura::Window* window) {
   // Only add the window if it is a direct dependent of a container window
   // and not yet tracked.
   if (!ShouldHandleWindow(window) ||
       base::ContainsKey(window_state_map_, window) ||
       !IsContainerWindow(window->parent())) {
     return;
   }
 
   MaximizeAndTrackWindow(window);
 }
 
-void MaximizeModeWindowManager::WindowStateDestroyed(aura::Window* window) {
+void TabletModeWindowManager::WindowStateDestroyed(aura::Window* window) {
   // At this time ForgetWindow() should already have been called. If not,
   // someone else must have replaced the "window manager's state object".
   DCHECK(!window->HasObserver(this));
 
   auto it = window_state_map_.find(window);
   DCHECK(it != window_state_map_.end());
   window_state_map_.erase(it);
 }
 
-void MaximizeModeWindowManager::OnOverviewModeStarting() {
+void TabletModeWindowManager::OnOverviewModeStarting() {
   SetDeferBoundsUpdates(true);
 }
 
-void MaximizeModeWindowManager::OnOverviewModeEnded() {
+void TabletModeWindowManager::OnOverviewModeEnded() {
   SetDeferBoundsUpdates(false);
 }
 
-void MaximizeModeWindowManager::OnWindowDestroying(aura::Window* window) {
+void TabletModeWindowManager::OnWindowDestroying(aura::Window* window) {
   if (IsContainerWindow(window)) {
     // container window can be removed on display destruction.
     window->RemoveObserver(this);
     observed_container_windows_.erase(window);
   } else if (base::ContainsValue(added_windows_, window)) {
     // Added window was destroyed before being shown.
     added_windows_.erase(window);
     window->RemoveObserver(this);
   } else {
     // If a known window gets destroyed we need to remove all knowledge about
     // it.
     ForgetWindow(window);
   }
 }
 
-void MaximizeModeWindowManager::OnWindowHierarchyChanged(
+void TabletModeWindowManager::OnWindowHierarchyChanged(
     const HierarchyChangeParams& params) {
   // A window can get removed and then re-added by a drag and drop operation.
   if (params.new_parent && IsContainerWindow(params.new_parent) &&
       !base::ContainsKey(window_state_map_, params.target)) {
     // Don't register the window if the window is invisible. Instead,
     // wait until it becomes visible because the client may update the
     // flag to control if the window should be added.
     if (!params.target->IsVisible()) {
       if (!base::ContainsValue(added_windows_, params.target)) {
         added_windows_.insert(params.target);
         params.target->AddObserver(this);
       }
       return;
     }
     MaximizeAndTrackWindow(params.target);
     // When the state got added, the "WM_EVENT_ADDED_TO_WORKSPACE" event got
     // already sent and we have to notify our state again.
     if (base::ContainsKey(window_state_map_, params.target)) {
       wm::WMEvent event(wm::WM_EVENT_ADDED_TO_WORKSPACE);
       wm::GetWindowState(params.target)->OnWMEvent(&event);
     }
   }
 }
 
-void MaximizeModeWindowManager::OnWindowPropertyChanged(aura::Window* window,
-                                                        const void* key,
-                                                        intptr_t old) {
+void TabletModeWindowManager::OnWindowPropertyChanged(aura::Window* window,
+                                                      const void* key,
+                                                      intptr_t old) {
   // Stop managing |window| if the always-on-top property is added.
   if (key == aura::client::kAlwaysOnTopKey &&
       window->GetProperty(aura::client::kAlwaysOnTopKey)) {
     ForgetWindow(window);
   }
 }
 
-void MaximizeModeWindowManager::OnWindowBoundsChanged(
+void TabletModeWindowManager::OnWindowBoundsChanged(
     aura::Window* window,
     const gfx::Rect& old_bounds,
     const gfx::Rect& new_bounds) {
   if (!IsContainerWindow(window))
     return;
   // Reposition all non maximizeable windows.
   for (auto& pair : window_state_map_)
     pair.second->UpdateWindowPosition(wm::GetWindowState(pair.first));
 }
 
-void MaximizeModeWindowManager::OnWindowVisibilityChanged(aura::Window* window,
-                                                          bool visible) {
+void TabletModeWindowManager::OnWindowVisibilityChanged(aura::Window* window,
+                                                        bool visible) {
   // Skip if it's already managed.
   if (base::ContainsKey(window_state_map_, window))
     return;
 
   if (IsContainerWindow(window->parent()) &&
       base::ContainsValue(added_windows_, window) && visible) {
     added_windows_.erase(window);
     window->RemoveObserver(this);
     MaximizeAndTrackWindow(window);
     // When the state got added, the "WM_EVENT_ADDED_TO_WORKSPACE" event got
     // already sent and we have to notify our state again.
     if (base::ContainsKey(window_state_map_, window)) {
       wm::WMEvent event(wm::WM_EVENT_ADDED_TO_WORKSPACE);
       wm::GetWindowState(window)->OnWMEvent(&event);
     }
   }
 }
 
-void MaximizeModeWindowManager::OnDisplayAdded(
+void TabletModeWindowManager::OnDisplayAdded(const display::Display& display) {
+  DisplayConfigurationChanged();
+}
+
+void TabletModeWindowManager::OnDisplayRemoved(
     const display::Display& display) {
   DisplayConfigurationChanged();
 }
 
-void MaximizeModeWindowManager::OnDisplayRemoved(
-    const display::Display& display) {
-  DisplayConfigurationChanged();
-}
-
-void MaximizeModeWindowManager::OnDisplayMetricsChanged(const display::Display&,
-                                                        uint32_t) {
+void TabletModeWindowManager::OnDisplayMetricsChanged(const display::Display&,
+                                                      uint32_t) {
   // Nothing to do here.
 }
 
-void MaximizeModeWindowManager::SetIgnoreWmEventsForExit() {
+void TabletModeWindowManager::SetIgnoreWmEventsForExit() {
   for (auto& pair : window_state_map_) {
     pair.second->set_ignore_wm_events(true);
   }
 }
 
-MaximizeModeWindowManager::MaximizeModeWindowManager() {
-  // The overview mode needs to be ended before the maximize mode is started. To
+TabletModeWindowManager::TabletModeWindowManager() {
+  // The overview mode needs to be ended before the tablet mode is started. To
   // guarantee the proper order, it will be turned off from here.
   CancelOverview();
 
   MaximizeAllWindows();
   AddWindowCreationObservers();
   EnableBackdropBehindTopWindowOnEachDisplay(true);
   display::Screen::GetScreen()->AddObserver(this);
   Shell::Get()->AddShellObserver(this);
-  event_handler_ = ShellPort::Get()->CreateMaximizeModeEventHandler();
+  event_handler_ = ShellPort::Get()->CreateTabletModeEventHandler();
 }
 
-void MaximizeModeWindowManager::MaximizeAllWindows() {
+void TabletModeWindowManager::MaximizeAllWindows() {
   MruWindowTracker::WindowList windows =
       Shell::Get()->mru_window_tracker()->BuildWindowListIgnoreModal();
   // Add all existing MRU windows.
   for (auto* window : windows)
     MaximizeAndTrackWindow(window);
 }
 
-void MaximizeModeWindowManager::RestoreAllWindows() {
+void TabletModeWindowManager::RestoreAllWindows() {
   while (window_state_map_.size())
     ForgetWindow(window_state_map_.begin()->first);
 }
 
-void MaximizeModeWindowManager::SetDeferBoundsUpdates(
-    bool defer_bounds_updates) {
+void TabletModeWindowManager::SetDeferBoundsUpdates(bool defer_bounds_updates) {
   for (auto& pair : window_state_map_)
     pair.second->SetDeferBoundsUpdates(defer_bounds_updates);
 }
 
-void MaximizeModeWindowManager::MaximizeAndTrackWindow(aura::Window* window) {
+void TabletModeWindowManager::MaximizeAndTrackWindow(aura::Window* window) {
   if (!ShouldHandleWindow(window))
     return;
 
   DCHECK(!base::ContainsKey(window_state_map_, window));
   window->AddObserver(this);
 
-  // We create and remember a maximize mode state which will attach itself to
+  // We create and remember a tablet mode state which will attach itself to
   // the provided state object.
-  window_state_map_[window] = new MaximizeModeWindowState(window, this);
+  window_state_map_[window] = new TabletModeWindowState(window, this);
 }
 
-void MaximizeModeWindowManager::ForgetWindow(aura::Window* window) {
+void TabletModeWindowManager::ForgetWindow(aura::Window* window) {
   WindowToState::iterator it = window_state_map_.find(window);
 
   // The following DCHECK could fail if our window state object was destroyed
   // earlier by someone else. However - at this point there is no other client
   // which replaces the state object and therefore this should not happen.
   DCHECK(it != window_state_map_.end());
   window->RemoveObserver(this);
 
   // By telling the state object to revert, it will switch back the old
   // State object and destroy itself, calling WindowStateDestroyed().
-  it->second->LeaveMaximizeMode(wm::GetWindowState(it->first));
+  it->second->LeaveTabletMode(wm::GetWindowState(it->first));
   DCHECK(!base::ContainsKey(window_state_map_, window));
 }
 
-bool MaximizeModeWindowManager::ShouldHandleWindow(aura::Window* window) {
+bool TabletModeWindowManager::ShouldHandleWindow(aura::Window* window) {
   DCHECK(window);
 
   // Windows with the always-on-top property should be free-floating and thus
   // not managed by us.
   if (window->GetProperty(aura::client::kAlwaysOnTopKey))
     return false;
 
   // If the changing bounds in the maximized/fullscreen is allowed, then
-  // let the client manage it even in maximized mode.
+  // let the client manage it even in tablet mode.
   if (wm::GetWindowState(window)->allow_set_bounds_direct())
     return false;
 
   return window->type() == aura::client::WINDOW_TYPE_NORMAL;
 }
 
-void MaximizeModeWindowManager::AddWindowCreationObservers() {
+void TabletModeWindowManager::AddWindowCreationObservers() {
   DCHECK(observed_container_windows_.empty());
   // Observe window activations/creations in the default containers on all root
   // windows.
   for (aura::Window* root : Shell::GetAllRootWindows()) {
     aura::Window* default_container =
         root->GetChildById(kShellWindowId_DefaultContainer);
     DCHECK(!base::ContainsKey(observed_container_windows_, default_container));
     default_container->AddObserver(this);
     observed_container_windows_.insert(default_container);
   }
 }
 
-void MaximizeModeWindowManager::RemoveWindowCreationObservers() {
+void TabletModeWindowManager::RemoveWindowCreationObservers() {
   for (aura::Window* window : observed_container_windows_)
     window->RemoveObserver(this);
   observed_container_windows_.clear();
 }
 
-void MaximizeModeWindowManager::DisplayConfigurationChanged() {
+void TabletModeWindowManager::DisplayConfigurationChanged() {
   EnableBackdropBehindTopWindowOnEachDisplay(false);
   RemoveWindowCreationObservers();
   AddWindowCreationObservers();
   EnableBackdropBehindTopWindowOnEachDisplay(true);
 }
 
-bool MaximizeModeWindowManager::IsContainerWindow(aura::Window* window) {
+bool TabletModeWindowManager::IsContainerWindow(aura::Window* window) {
   return base::ContainsKey(observed_container_windows_, window);
 }
 
-void MaximizeModeWindowManager::EnableBackdropBehindTopWindowOnEachDisplay(
+void TabletModeWindowManager::EnableBackdropBehindTopWindowOnEachDisplay(
     bool enable) {
   // Inform the WorkspaceLayoutManager that we want to show a backdrop behind
   // the topmost window of its container.
   for (auto* controller : Shell::GetAllRootWindowControllers()) {
     controller->workspace_controller()->SetBackdropDelegate(
-        enable ? base::MakeUnique<MaximizeModeBackdropDelegateImpl>()
-               : nullptr);
+        enable ? base::MakeUnique<TabletModeBackdropDelegateImpl>() : nullptr);
   }
 }
 
 }  // namespace ash