Add common palette tray implementation.

ash/common/system/chromeos/palette/common_palette_tool.cc

Index: ash/common/system/chromeos/palette/common_palette_tool.cc
diff --git a/ash/common/system/chromeos/palette/common_palette_tool.cc b/ash/common/system/chromeos/palette/common_palette_tool.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8156aa633634d4b880b9e585e88de2dd167a62db
--- /dev/null
+++ b/ash/common/system/chromeos/palette/common_palette_tool.cc
@@ -0,0 +1,80 @@
+// Copyright 2016 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/system/chromeos/palette/common_palette_tool.h"
+
+#include "ash/common/shelf/shelf_constants.h"
+#include "ash/common/system/chromeos/palette/palette_ids.h"
+#include "ash/common/system/chromeos/palette/palette_tool_manager.h"
+#include "ash/common/system/tray/hover_highlight_view.h"
+#include "ash/common/system/tray/view_click_listener.h"
+#include "base/logging.h"
+#include "base/strings/utf_string_conversions.h"
+#include "grit/ash_resources.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/color_palette.h"
+#include "ui/gfx/paint_vector_icon.h"
+
+namespace ash {
+
+CommonPaletteTool::CommonPaletteTool(Delegate* delegate)
+    : PaletteTool(delegate) {}
+
+CommonPaletteTool::~CommonPaletteTool() {}
+
+views::View* CommonPaletteTool::CreateView() {
+  // TODO(jdufault): Use real strings.
+  return CreateDefaultView(
+      base::ASCIIToUTF16("[TODO] " + PaletteToolIdToString(GetToolId())));
+}
+
+void CommonPaletteTool::OnViewDestroyed() {
+  highlight_view_ = nullptr;
+}
+
+void CommonPaletteTool::OnEnable() {
+  PaletteTool::OnEnable();
+
+  if (highlight_view_) {
+    highlight_view_->SetHighlight(true);
+    highlight_view_->SetRightIconVisible(true);
+  }
+}
+
+void CommonPaletteTool::OnDisable() {
+  PaletteTool::OnDisable();
+
+  if (highlight_view_) {
+    highlight_view_->SetHighlight(false);
+    highlight_view_->SetRightIconVisible(false);
+  }
+}
+
+void CommonPaletteTool::OnViewClicked(views::View* sender) {
+  if (enabled())
+    delegate()->DisableTool(GetToolId());
+  else
+    delegate()->EnableTool(GetToolId());
+}
+
+views::View* CommonPaletteTool::CreateDefaultView(const base::string16& name) {
+  highlight_view_ = new HoverHighlightView(this);
+
+  // TODO(jdufault): Use real colors (SK_ColorBLACK?)
+  gfx::ImageSkia image = CreateVectorIcon(GetPaletteIconId(), SK_ColorBLACK);
+  gfx::ImageSkia checkbox =
+      CreateVectorIcon(gfx::VectorIconId::CHECK_CIRCLE, gfx::kGoogleGreen700);
+
+  highlight_view_->AddIndentedIconAndLabel(image, name, false);
+  highlight_view_->AddRightIcon(checkbox);
+
+  if (enabled())
+    highlight_view_->SetHighlight(true);
+  else
+    highlight_view_->SetRightIconVisible(false);
+
+  return highlight_view_;
+}
+
+}  // namespace ash