DLP: Add managed icon to toasts.

According to the mocks, Data Leak Protection toast should
contain a "managed" "building" icon on the left.
Adding this functionality to Toast as well as enforcing it
for DLP notifications.

See mocks: https://docs.google.com/presentation/d/1v0GM-lwHCznFJ6hnZlUH37eBOuAkJMw5Q6UnSkcKOgA/edit?hl=en#slide=id.g8f65759f6a_14_27

Bug: 1124651, 1096461
Change-Id: If815c55a3a9e011ea19f29b6cd95fb7aca2aeccc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2435390
Commit-Queue: Sergey Poromov <poromov@chromium.org>
Reviewed-by: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Aya Elsayed <ayaelattar@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811998}

ash/public/cpp/toast_data.h

@@ -31,6 +31,7 @@ struct ASH_PUBLIC_EXPORT ToastData {
   int32_t duration_ms;
   base::Optional<base::string16> dismiss_text;
   bool visible_on_lock_screen;
+  bool is_managed = false;
 };
 
 }  // namespace ash

ash/system/toast/toast_manager_impl.cc

@@ -92,7 +92,8 @@ void ToastManagerImpl::ShowLatest() {
 
   overlay_ = std::make_unique<ToastOverlay>(
       this, current_toast_data_->text, current_toast_data_->dismiss_text,
-      current_toast_data_->visible_on_lock_screen && locked_);
+      current_toast_data_->visible_on_lock_screen && locked_,
+      current_toast_data_->is_managed);
   overlay_->Show(true);
 
   if (current_toast_data_->duration_ms != ToastData::kInfiniteDuration) {

ash/system/toast/toast_overlay.cc

@@ -7,6 +7,7 @@
 #include "ash/keyboard/ui/keyboard_ui_controller.h"
 #include "ash/public/cpp/ash_typography.h"
 #include "ash/public/cpp/shell_window_ids.h"
+#include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
@@ -22,6 +23,7 @@
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/geometry/insets.h"
+#include "ui/gfx/paint_vector_icon.h"
 #include "ui/views/animation/ink_drop_highlight.h"
 #include "ui/views/background.h"
 #include "ui/views/border.h"
@@ -153,7 +155,8 @@ class ToastOverlayView : public views::View, public views::ButtonListener {
   // This object is not owned by the views hierarchy or by the widget.
   ToastOverlayView(ToastOverlay* overlay,
                    const base::string16& text,
-                   const base::Optional<base::string16>& dismiss_text)
+                   const base::Optional<base::string16>& dismiss_text,
+                   const bool is_managed)
       : overlay_(overlay) {
     SetPaintToLayer();
     SetBackground(
@@ -166,9 +169,24 @@ class ToastOverlayView : public views::View, public views::ButtonListener {
 
     auto* layout = SetLayoutManager(std::make_unique<views::BoxLayout>(
         views::BoxLayout::Orientation::kHorizontal));
+
+    int icon_width = 0;
+    if (is_managed) {
+      auto* icon = new views::ImageView;
+      icon->SetImage(gfx::CreateVectorIcon(
+          kUnifiedMenuManagedIcon,
+          AshColorProvider::Get()->GetContentLayerColor(
+              AshColorProvider::ContentLayerType::kIconColorPrimary)));
+      icon->SetBorder(views::CreateEmptyBorder(
+          gfx::Insets(kToastHorizontalSpacing, kToastHorizontalSpacing,
+                      kToastHorizontalSpacing, /*right=*/0)));
+      AddChildView(icon);
+      icon_width = icon->GetPreferredSize().width() + kToastHorizontalSpacing;
+    }
+
     auto* label = new ToastOverlayLabel(text);
     AddChildView(label);
-    label->SetMaximumWidth(GetMaximumSize().width());
+    label->SetMaximumWidth(GetMaximumSize().width() - icon_width);
     layout->SetFlexForView(label, 1);
 
     if (!dismiss_text.has_value())
@@ -183,7 +201,7 @@ class ToastOverlayView : public views::View, public views::ButtonListener {
         std::min(button_->GetPreferredSize().width(), kToastButtonMaximumWidth);
     button_->SetMaxSize(gfx::Size(button_width, GetMaximumSize().height()));
     label->SetMaximumWidth(GetMaximumSize().width() - button_width -
-                           kToastHorizontalSpacing * 2 -
+                           icon_width - kToastHorizontalSpacing * 2 -
                            kToastHorizontalSpacing * 2);
     AddChildView(button_);
   }
@@ -220,12 +238,13 @@ class ToastOverlayView : public views::View, public views::ButtonListener {
 ToastOverlay::ToastOverlay(Delegate* delegate,
                            const base::string16& text,
                            base::Optional<base::string16> dismiss_text,
-                           bool show_on_lock_screen)
+                           bool show_on_lock_screen,
+                           bool is_managed)
     : delegate_(delegate),
       text_(text),
       dismiss_text_(dismiss_text),
       overlay_widget_(new views::Widget),
-      overlay_view_(new ToastOverlayView(this, text, dismiss_text)),
+      overlay_view_(new ToastOverlayView(this, text, dismiss_text, is_managed)),
       display_observer_(std::make_unique<ToastDisplayObserver>(this)),
       widget_size_(overlay_view_->GetPreferredSize()) {
   views::Widget::InitParams params;

ash/system/toast/toast_overlay.h

@@ -46,11 +46,12 @@ class ASH_EXPORT ToastOverlay : public ui::ImplicitAnimationObserver,
   // |dismiss_text| is the message for the button to dismiss the toast message.
   // If |dismiss_text| is null, no dismiss button will be shown. If
   // |dismiss_text| has a value but the string is empty, the default text is
-  // used.
+  // used. If |is_managed| is true, a managed icon will be added to the toast.
   ToastOverlay(Delegate* delegate,
                const base::string16& text,
                base::Optional<base::string16> dismiss_text,
-               bool show_on_lock_screen = false);
+               bool show_on_lock_screen,
+               bool is_managed);
   ~ToastOverlay() override;
 
   // Shows or hides the overlay.

chrome/browser/chromeos/policy/dlp/dlp_notification_helper.cc

@@ -23,6 +23,7 @@ void ShowDlpPrintDisabledToast() {
   ash::ToastData toast(
       kPrintToastId, l10n_util::GetStringUTF16(IDS_POLICY_DLP_PRINTING_BLOCKED),
       kPrintToastDurationMs, base::nullopt);
+  toast.is_managed = true;
 
   ash::ToastManager::Get()->Show(toast);
 }

chrome/browser/chromeos/policy/dlp/enterprise_clipboard_dlp_controller.cc

@@ -79,8 +79,8 @@ bool EnterpriseClipboardDlpController::IsDataReadAllowed(
 
 void EnterpriseClipboardDlpController::ShowBlockToast(
     const base::string16& text) const {
-  ash::ToastData toast(kToastId, text, kToastDurationMs,
-                       base::Optional<base::string16>());
+  ash::ToastData toast(kToastId, text, kToastDurationMs, base::nullopt);
+  toast.is_managed = true;
 
   ash::ToastManager::Get()->Show(toast);
 }