mash: Migrate wallpaper controllers to ash/common.

ash/common/accelerators/debug_commands.cc

 // Copyright 2013 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/common/accelerators/debug_commands.h"
 
 #include "ash/common/accelerators/accelerator_commands.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/system/toast/toast_data.h"
 #include "ash/common/system/toast/toast_manager.h"
+#include "ash/common/wallpaper/wallpaper_controller.h"
+#include "ash/common/wallpaper/wallpaper_delegate.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm_root_window_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "base/command_line.h"
 #include "base/metrics/user_metrics.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/compositor/debug_utils.h"
+#include "ui/gfx/canvas.h"
+#include "ui/gfx/image/image_skia.h"
 #include "ui/views/debug_utils.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace debug {
 namespace {
 
 void HandlePrintLayerHierarchy() {
   for (WmWindow* root : WmShell::Get()->GetAllRootWindows()) {
     ui::Layer* layer = root->GetLayer();
@@ skipping 36 matching lines @@
   WmWindow::Windows roots = WmShell::Get()->GetAllRootWindows();
   for (size_t i = 0; i < roots.size(); ++i) {
     std::ostringstream out;
     out << "RootWindow " << i << ":\n";
     PrintWindowHierarchy(active_window, roots[i], 0, &out);
     // Error so logs can be collected from end-users.
     LOG(ERROR) << out.str();
   }
 }
 
+gfx::ImageSkia CreateWallpaperImage(SkColor fill, SkColor rect) {
+  // TODO(oshima): Consider adding a command line option to control wallpaper
+  // images for testing. The size is randomly picked.
+  gfx::Size image_size(1366, 768);
+  gfx::Canvas canvas(image_size, 1.0f, true);
+  canvas.DrawColor(fill);
+  SkPaint paint;
+  paint.setColor(rect);
+  paint.setStrokeWidth(10);
+  paint.setStyle(SkPaint::kStroke_Style);
+  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
+  canvas.DrawRoundRect(gfx::Rect(image_size), 100, paint);
+  return gfx::ImageSkia(canvas.ExtractImageRep());
+}
+
+void HandleToggleWallpaperMode() {
+  static int index = 0;
+  WallpaperController* wallpaper_controller =
+      WmShell::Get()->wallpaper_controller();
+  switch (++index % 4) {
+    case 0:
+      ash::WmShell::Get()->wallpaper_delegate()->InitializeWallpaper();
+      break;
+    case 1:
+      wallpaper_controller->SetWallpaperImage(
+          CreateWallpaperImage(SK_ColorRED, SK_ColorBLUE),
+          wallpaper::WALLPAPER_LAYOUT_STRETCH);
+      break;
+    case 2:
+      wallpaper_controller->SetWallpaperImage(
+          CreateWallpaperImage(SK_ColorBLUE, SK_ColorGREEN),
+          wallpaper::WALLPAPER_LAYOUT_CENTER);
+      break;
+    case 3:
+      wallpaper_controller->SetWallpaperImage(
+          CreateWallpaperImage(SK_ColorGREEN, SK_ColorRED),
+          wallpaper::WALLPAPER_LAYOUT_CENTER_CROPPED);
+      break;
+  }
+}
+
 #if defined(OS_CHROMEOS)
 
 void HandleToggleTouchpad() {
   base::RecordAction(base::UserMetricsAction("Accel_Toggle_Touchpad"));
   ash::WmShell::Get()->delegate()->ToggleTouchpad();
 }
 
 void HandleToggleTouchscreen() {
   base::RecordAction(base::UserMetricsAction("Accel_Toggle_Touchscreen"));
   ash::WmShell::Get()->delegate()->ToggleTouchscreen();
@@ skipping 38 matching lines @@
     case DEBUG_TOGGLE_TOUCH_PAD:
       HandleToggleTouchpad();
       break;
     case DEBUG_TOGGLE_TOUCH_SCREEN:
       HandleToggleTouchscreen();
       break;
     case DEBUG_TOGGLE_TOUCH_VIEW:
       HandleToggleToggleTouchView();
       break;
 #endif
+    case DEBUG_TOGGLE_WALLPAPER_MODE:
+      HandleToggleWallpaperMode();
+      break;
     case DEBUG_PRINT_LAYER_HIERARCHY:
       HandlePrintLayerHierarchy();
       break;
     case DEBUG_PRINT_VIEW_HIERARCHY:
       HandlePrintViewHierarchy();
       break;
     case DEBUG_PRINT_WINDOW_HIERARCHY:
       HandlePrintWindowHierarchy();
       break;
     default:
       break;
   }
 }
 
 }  // namespace debug
 }  // namespace ash