Block keyboard and mouse input when maximize mode is activated by accelerometer.

ash/desktop_background/desktop_background_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 "ash/desktop_background/desktop_background_controller.h"
 
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_controller_observer.h"
 #include "ash/desktop_background/desktop_background_view.h"
 #include "ash/desktop_background/desktop_background_widget_controller.h"
@@ skipping 30 matching lines @@
 // changed?
 const int kWallpaperReloadDelayMs = 2000;
 
 }  // namespace
 
 DesktopBackgroundController::DesktopBackgroundController()
     : locked_(false),
       desktop_background_mode_(BACKGROUND_NONE),
       wallpaper_reload_delay_(kWallpaperReloadDelayMs) {
   Shell::GetInstance()->display_controller()->AddObserver(this);
+  Shell::GetInstance()->AddShellObserver(this);
 }
 
 DesktopBackgroundController::~DesktopBackgroundController() {
   Shell::GetInstance()->display_controller()->RemoveObserver(this);
+  Shell::GetInstance()->RemoveShellObserver(this);
 }
 
 gfx::ImageSkia DesktopBackgroundController::GetWallpaper() const {
   if (current_wallpaper_)
     return current_wallpaper_->image();
   return gfx::ImageSkia();
 }
 
 void DesktopBackgroundController::AddObserver(
     DesktopBackgroundControllerObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void DesktopBackgroundController::RemoveObserver(
     DesktopBackgroundControllerObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 WallpaperLayout DesktopBackgroundController::GetWallpaperLayout() const {
   if (current_wallpaper_)
     return current_wallpaper_->layout();
   return WALLPAPER_LAYOUT_CENTER_CROPPED;
 }
 
-void DesktopBackgroundController::OnRootWindowAdded(aura::Window* root_window) {
-  // The background hasn't been set yet.
-  if (desktop_background_mode_ == BACKGROUND_NONE)
-    return;
-
-  // Handle resolution change for "built-in" images.
-  gfx::Size max_display_size = GetMaxDisplaySizeInNative();
-  if (current_max_display_size_ != max_display_size) {
-    current_max_display_size_ = max_display_size;
-    if (desktop_background_mode_ == BACKGROUND_IMAGE &&
-        current_wallpaper_.get())
-      UpdateWallpaper();
-  }
-
-  InstallDesktopController(root_window);
-}
-
 bool DesktopBackgroundController::SetWallpaperImage(const gfx::ImageSkia& image,
                                                     WallpaperLayout layout) {
   VLOG(1) << "SetWallpaper: image_id=" << WallpaperResizer::GetImageId(image)
           << " layout=" << layout;
 
   if (WallpaperIsAlreadyLoaded(&image, kInvalidResourceID, layout)) {
     VLOG(1) << "Wallpaper is already loaded";
     return false;
   }
 
@@ skipping 56 matching lines @@
         current_wallpaper_.get()) {
       timer_.Stop();
       timer_.Start(FROM_HERE,
                    base::TimeDelta::FromMilliseconds(wallpaper_reload_delay_),
                    this,
                    &DesktopBackgroundController::UpdateWallpaper);
     }
   }
 }
 
+void DesktopBackgroundController::OnRootWindowAdded(aura::Window* root_window) {
+  // The background hasn't been set yet.
+  if (desktop_background_mode_ == BACKGROUND_NONE)
+    return;
+
+  // Handle resolution change for "built-in" images.
+  gfx::Size max_display_size = GetMaxDisplaySizeInNative();
+  if (current_max_display_size_ != max_display_size) {
+    current_max_display_size_ = max_display_size;
+    if (desktop_background_mode_ == BACKGROUND_IMAGE &&
+        current_wallpaper_.get())
+      UpdateWallpaper();
+  }
+
+  InstallDesktopController(root_window);
+}
+
 // static
 gfx::Size DesktopBackgroundController::GetMaxDisplaySizeInNative() {
   int width = 0;
   int height = 0;
   std::vector<gfx::Display> displays = Shell::GetScreen()->GetAllDisplays();
   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 
   for (std::vector<gfx::Display>::iterator iter = displays.begin();
        iter != displays.end(); ++iter) {
     // Don't use size_in_pixel because we want to use the native pixel size.
@@ skipping 106 matching lines @@
                 : kShellWindowId_DesktopBackgroundContainer;
 }
 
 void DesktopBackgroundController::UpdateWallpaper() {
   current_wallpaper_.reset(NULL);
   ash::Shell::GetInstance()->user_wallpaper_delegate()->
       UpdateWallpaper(true /* clear cache */);
 }
 
 }  // namespace ash