Hook up API for pin button in HoldingSpaceItemChipView

This CL makes the pin button that shows up on item chips
on hover functional.

Bug: 1130086
Change-Id: Ibe8857d746c6cdc406ecf1dd1b75264b722d3d70
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2419634
Commit-Queue: Ahmed Mehfooz <amehfooz@chromium.org>
Reviewed-by: David Black <dmblack@google.com>
Cr-Commit-Position: refs/heads/master@{#808773}

ash/system/holding_space/holding_space_item_chip_view.cc

@@ -4,8 +4,11 @@
 
 #include "ash/system/holding_space/holding_space_item_chip_view.h"
 
+#include "ash/public/cpp/holding_space/holding_space_client.h"
 #include "ash/public/cpp/holding_space/holding_space_constants.h"
+#include "ash/public/cpp/holding_space/holding_space_controller.h"
 #include "ash/public/cpp/holding_space/holding_space_item.h"
+#include "ash/public/cpp/holding_space/holding_space_model.h"
 #include "ash/public/cpp/shelf_config.h"
 #include "ash/style/ash_color_provider.h"
 #include "ash/system/holding_space/holding_space_item_view.h"
@@ -73,10 +76,8 @@ HoldingSpaceItemChipView::~HoldingSpaceItemChipView() = default;
 void HoldingSpaceItemChipView::OnMouseEvent(ui::MouseEvent* event) {
   switch (event->type()) {
     case ui::ET_MOUSE_ENTERED:
-      pin_->SetVisible(IsMouseHovered());
-      break;
     case ui::ET_MOUSE_EXITED:
-      pin_->SetVisible(IsMouseHovered());
+      UpdatePin();
       break;
     default:
       break;
@@ -86,10 +87,18 @@ void HoldingSpaceItemChipView::OnMouseEvent(ui::MouseEvent* event) {
 
 void HoldingSpaceItemChipView::ButtonPressed(views::Button* sender,
                                              const ui::Event& event) {
-  if (sender == pin_) {
-    pin_->SetToggled(!pin_->toggled());
-    // TODO(amehfooz): Toggle pin
-  }
+  DCHECK_EQ(sender, pin_);
+  bool is_item_pinned = HoldingSpaceController::Get()->model()->GetItem(
+      HoldingSpaceItem::GetFileBackedItemId(HoldingSpaceItem::Type::kPinnedFile,
+                                            item()->file_path()));
+  pin_->SetToggled(!is_item_pinned);
+
+  if (is_item_pinned)
+    HoldingSpaceController::Get()->client()->UnpinItem(*item());
+  else
+    HoldingSpaceController::Get()->client()->PinItem(*item());
+
+  UpdatePin();
 }
 
 void HoldingSpaceItemChipView::AddPinButton() {
@@ -114,6 +123,20 @@ void HoldingSpaceItemChipView::Update() {
       gfx::Size(kHoldingSpaceChipIconSize, kHoldingSpaceChipIconSize));
 }
 
+void HoldingSpaceItemChipView::UpdatePin() {
+  if (!IsMouseHovered()) {
+    pin_->SetVisible(false);
+    return;
+  }
+
+  bool is_item_pinned = HoldingSpaceController::Get()->model()->GetItem(
+      HoldingSpaceItem::GetFileBackedItemId(HoldingSpaceItem::Type::kPinnedFile,
+                                            item()->file_path()));
+
+  pin_->SetToggled(!is_item_pinned);
+  pin_->SetVisible(true);
+}
+
 BEGIN_METADATA(HoldingSpaceItemChipView, HoldingSpaceItemView)
 END_METADATA
 

ash/system/holding_space/holding_space_item_chip_view.h

@@ -47,6 +47,7 @@ class ASH_EXPORT HoldingSpaceItemChipView : public HoldingSpaceItemView,
  private:
   void AddPinButton();
   void Update();
+  void UpdatePin();
 
   tray::RoundedImageView* image_ = nullptr;
   views::Label* label_ = nullptr;