1 files changed, 99 insertions, 0 deletions
diff --git a/chromium/components/media_message_center/media_notification_background_ash_impl.cc b/chromium/components/media_message_center/media_notification_background_ash_impl.cc
new file mode 100644
index 00000000000..091d78fe26c
--- /dev/null
+++ b/chromium/components/media_message_center/media_notification_background_ash_impl.cc
@@ -0,0 +1,99 @@
+// Copyright 2020 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 "components/media_message_center/media_notification_background_ash_impl.h"
+
+#include "ui/gfx/canvas.h"
+#include "ui/gfx/image/image_skia_operations.h"
+#include "ui/gfx/skia_util.h"
+#include "ui/views/view.h"
+
+namespace media_message_center {
+
+namespace {
+
+constexpr SkColor kBackgroundColor = SK_ColorTRANSPARENT;
+constexpr SkColor kForegroundColor = SK_ColorWHITE;
+
+constexpr gfx::Size kArtworkSize(80, 80);
+constexpr int kArtworkBottomMargin = 16;
+constexpr int kArtworkRightMargin = 16;
+constexpr int kArtworkCornerRadius = 4;
+
+gfx::Size ScaleToFitSize(const gfx::Size& image_size) {
+  if ((image_size.width() > kArtworkSize.width() ||
+       image_size.height() > kArtworkSize.height()) ||
+      (image_size.width() < kArtworkSize.width() &&
+       image_size.height() < kArtworkSize.height())) {
+    const float scale = std::min(
+        kArtworkSize.width() / static_cast<float>(image_size.width()),
+        kArtworkSize.height() / static_cast<float>(image_size.height()));
+    return gfx::ScaleToFlooredSize(image_size, scale);
+  }
+
+  return image_size;
+}
+
+}  // namespace
+
+gfx::Rect MediaNotificationBackgroundAshImpl::GetArtworkBounds(
+    const gfx::Rect& view_bounds) const {
+  gfx::Size target_size = ScaleToFitSize(artwork_.size());
+
+  int vertical_offset = (kArtworkSize.height() - target_size.height()) / 2;
+  int horizontal_offset = (kArtworkSize.width() - target_size.width()) / 2;
+
+  return gfx::Rect(view_bounds.right() - kArtworkRightMargin -
+                       kArtworkSize.width() + horizontal_offset,
+                   view_bounds.bottom() - kArtworkBottomMargin -
+                       kArtworkSize.height() + vertical_offset,
+                   target_size.width(), target_size.height());
+}
+
+void MediaNotificationBackgroundAshImpl::Paint(gfx::Canvas* canvas,
+                                               views::View* view) const {
+  gfx::Rect source_bounds(0, 0, artwork_.width(), artwork_.height());
+  gfx::Rect target_bounds = GetArtworkBounds(view->GetContentsBounds());
+
+  SkPath path;
+  path.addRoundRect(gfx::RectToSkRect(target_bounds), kArtworkCornerRadius,
+                    kArtworkCornerRadius);
+
+  canvas->ClipPath(path, true);
+
+  canvas->DrawImageInt(
+      artwork_, source_bounds.x(), source_bounds.y(), source_bounds.width(),
+      source_bounds.height(), target_bounds.x(), target_bounds.y(),
+      target_bounds.width(), target_bounds.height(), false /* filter */);
+}
+
+void MediaNotificationBackgroundAshImpl::UpdateArtwork(
+    const gfx::ImageSkia& image) {
+  if (artwork_.BackedBySameObjectAs(image))
+    return;
+
+  artwork_ = image;
+}
+
+bool MediaNotificationBackgroundAshImpl::UpdateCornerRadius(int top_radius,
+                                                            int bottom_radius) {
+  return false;
+}
+
+bool MediaNotificationBackgroundAshImpl::UpdateArtworkMaxWidthPct(
+    double max_width_pct) {
+  return false;
+}
+
+SkColor MediaNotificationBackgroundAshImpl::GetBackgroundColor(
+    const views::View& owner) const {
+  return kBackgroundColor;
+}
+
+SkColor MediaNotificationBackgroundAshImpl::GetForegroundColor(
+    const views::View& owner) const {
+  return kForegroundColor;
+}
+
+}  // namespace media_message_center