Home | History | Annotate | Download | only in toolbar 
      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/ui/views/toolbar/extension_toolbar_menu_view.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/message_loop/message_loop.h"
      9 #include "base/time/time.h"
     10 #include "chrome/browser/ui/views/frame/browser_view.h"
     11 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
     12 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
     13 #include "chrome/browser/ui/views/toolbar/wrench_menu.h"
     14 #include "ui/views/controls/menu/menu_item_view.h"
     15 #include "ui/views/controls/menu/submenu_view.h"
     16 
     17 namespace {
     18 
     19 // Returns the padding before the BrowserActionsContainer in the menu.
     20 int start_padding() {
     21   // We pad enough on the left so that the first icon starts at the same point
     22   // as the labels. We need to subtract 1 because we want the pixel *before*
     23   // the label, and we subtract kItemSpacing because there needs to be padding
     24   // so we can see the drop indicator.
     25   return views::MenuItemView::label_start() - 1 -
     26       BrowserActionsContainer::kItemSpacing;
     27 }
     28 
     29 }  // namespace
     30 
     31 ExtensionToolbarMenuView::ExtensionToolbarMenuView(Browser* browser,
     32                                                    WrenchMenu* wrench_menu)
     33     : browser_(browser),
     34       wrench_menu_(wrench_menu),
     35       container_(NULL),
     36       browser_actions_container_observer_(this),
     37       weak_factory_(this) {
     38   BrowserActionsContainer* main =
     39       BrowserView::GetBrowserViewForBrowser(browser_)
     40           ->toolbar()->browser_actions();
     41   container_ = new BrowserActionsContainer(
     42       browser_,
     43       NULL,  // No owner view, means no extra keybindings are registered.
     44       main);
     45   container_->Init();
     46   AddChildView(container_);
     47   // We Layout() the container here so that we know the number of actions
     48   // that will be visible in ShouldShow().
     49   container_->Layout();
     50 
     51   // If we were opened for a drop command, we have to wait for the drop to
     52   // finish so we can close the wrench menu.
     53   if (wrench_menu_->for_drop()) {
     54     browser_actions_container_observer_.Add(container_);
     55     browser_actions_container_observer_.Add(main);
     56   }
     57 }
     58 
     59 ExtensionToolbarMenuView::~ExtensionToolbarMenuView() {
     60 }
     61 
     62 bool ExtensionToolbarMenuView::ShouldShow() {
     63   return wrench_menu_->for_drop() ||
     64       container_->VisibleBrowserActionsAfterAnimation();
     65 }
     66 
     67 gfx::Size ExtensionToolbarMenuView::GetPreferredSize() const {
     68   return container_->GetPreferredSize();
     69 }
     70 
     71 int ExtensionToolbarMenuView::GetHeightForWidth(int width) const {
     72   const views::MenuConfig& menu_config =
     73       static_cast<const views::MenuItemView*>(parent())->GetMenuConfig();
     74   int end_padding = menu_config.arrow_to_edge_padding -
     75                     BrowserActionsContainer::kItemSpacing;
     76   width -= start_padding() + end_padding;
     77 
     78   int height = container_->GetHeightForWidth(width);
     79   return height;
     80 }
     81 
     82 void ExtensionToolbarMenuView::Layout() {
     83   gfx::Size sz = GetPreferredSize();
     84   SetBounds(start_padding() + 1, 0, sz.width(), sz.height());
     85   container_->SetBounds(0, 0, sz.width(), sz.height());
     86 }
     87 
     88 void ExtensionToolbarMenuView::OnBrowserActionDragDone() {
     89   // The delay before we close the wrench menu if this was opened for a drop so
     90   // that the user can see a browser action if one was moved.
     91   static const int kCloseMenuDelay = 300;
     92 
     93   DCHECK(wrench_menu_->for_drop());
     94   base::MessageLoop::current()->PostDelayedTask(
     95       FROM_HERE,
     96       base::Bind(&ExtensionToolbarMenuView::CloseWrenchMenu,
     97                  weak_factory_.GetWeakPtr()),
     98       base::TimeDelta::FromMilliseconds(kCloseMenuDelay));
     99 }
    100 
    101 void ExtensionToolbarMenuView::CloseWrenchMenu() {
    102   wrench_menu_->CloseMenu();
    103 }
    104