[Win] Add a fast profile switcher to the Windows taskbar item.

chrome/browser/profiles/profile_avatar_icon_util.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/profiles/profile_avatar_icon_util.h"
 
 #include "base/files/file_util.h"
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/profiles/profile_info_cache.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_paths.h"
 #include "grit/theme_resources.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkScalar.h"
 #include "third_party/skia/include/core/SkXfermode.h"
+#include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/canvas_image_source.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/skia_util.h"
 
 // Helper methods for transforming and drawing avatar icons.
 namespace {
 
@@ skipping 250 matching lines @@
     frame.Inset(scale_factor * 2, 0, scale_factor * 2, 0);
     source_bitmap.extractSubset(&square_bitmap, gfx::RectToSkIRect(frame));
   } else {
     // If not the avatar icon's aspect ratio, the image should be square.
     DCHECK(source_bitmap.width() == source_bitmap.height());
     square_bitmap = source_bitmap;
   }
   return square_bitmap;
 }
 
+void GetTransparentBackgroundProfileAvatar(const base::FilePath& profile_path,

[tapted, 2014/11/03 23:57:06]

nit: move to end of file? (to be consistent with declaration order)

[noms (inactive), 2014/11/04 20:03:09]

Turns out everything was in a whack order, so I reordered all the things.

+                                           gfx::Image* image,
+                                           bool* is_rectangle) {
+  const ProfileInfoCache& cache =
+      g_browser_process->profile_manager()->GetProfileInfoCache();
+  size_t index = cache.GetIndexOfProfileWithPath(profile_path);
+  if (index == std::string::npos) {
+    NOTREACHED();
+    return;
+  }
+
+  // If there is a Gaia image available, try to use that.
+  if (cache.IsUsingGAIAPictureOfProfileAtIndex(index)) {
+    const gfx::Image* gaia_image = cache.GetGAIAPictureOfProfileAtIndex(index);
+    if (gaia_image) {
+      *image = *gaia_image;
+      *is_rectangle = true;
+      return;
+    }
+  }
+
+  // Otherwise, use the default resource, not the downloaded high-res one.
+  const size_t icon_index = cache.GetAvatarIconIndexOfProfileAtIndex(index);
+  const int resource_id =
+      profiles::GetDefaultAvatarIconResourceIDAtIndex(icon_index);
+  *image = ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
+  *is_rectangle = false;
+}
+
 // Helper methods for accessing, transforming and drawing avatar icons.
 size_t GetDefaultAvatarIconCount() {
   return kDefaultAvatarIconsCount;
 }
 
 size_t GetGenericAvatarIconCount() {
   return kGenericAvatarIconsCount;
 }
 
 int GetPlaceholderAvatarIndex() {
@@ skipping 82 matching lines @@
         int_value >= static_cast<int>(kDefaultAvatarIconsCount))
       return false;
     *icon_index = int_value;
     return true;
   }
 
   return false;
 }
 
 }  // namespace profiles