Extension Toolbar redesign, part 1 (overflow)

chrome/browser/ui/views/toolbar/extension_toolbar_menu_view.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/ui/views/toolbar/extension_toolbar_menu_view.h"
+
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
+#include "chrome/browser/ui/views/toolbar/toolbar_view.h"
+
+namespace {
+
+// Padding to the left of the menu to make sure the icons are in line with the
+// rest of the menu.
+const int kLeftEdgePadding = 33;
+
+// Vertical padding to make sure the icons are centered vertically within the
+// menu.
+const int kVerticalPadding = 8;
+
+}  // namespace
+
+ExtensionToolbarMenuView::ExtensionToolbarMenuView(Browser* browser)
+    : browser_(browser) {
+  BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser);
+  container_ = new BrowserActionsContainer(
+      browser_,
+      NULL,  // No owner view, means no extra keybindings are registered.
+      browser_view->GetToolbarView()->browser_actions());
+  container_->Init();
+  AddChildView(container_);
+}
+
+ExtensionToolbarMenuView::~ExtensionToolbarMenuView() {
+}
+
+gfx::Size ExtensionToolbarMenuView::GetPreferredSize() const {
+  gfx::Size sz = container_->GetPreferredSize();
+  if (sz.height() == 0)
+    return sz;
+  // If we go above 6 icons, make sure the seventh is in line with the right
+  // edge of the Paste button further down the menu.
+  if (sz.width() > 200)
+    sz.set_width(std::max(sz.width(), 280));
+
+  sz.Enlarge(0, kVerticalPadding);
+  return sz;
+}
+
+void ExtensionToolbarMenuView::Layout() {
+  // All buttons are given the same width.
+  gfx::Size sz = container_->GetPreferredSize();
+  container_->SetBounds(
+      kLeftEdgePadding, 0, sz.width(), sz.height() + (kVerticalPadding / 2));
+}