Home | History | Annotate | Download | only in status 
      1 // Copyright (c) 2011 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/chromeos/status/status_area_view.h"
      6 
      7 #include <algorithm>
      8 
      9 #include "chrome/browser/chromeos/status/clock_menu_button.h"
     10 #include "chrome/browser/chromeos/status/input_method_menu_button.h"
     11 #include "chrome/browser/chromeos/status/network_menu_button.h"
     12 #include "chrome/browser/chromeos/status/power_menu_button.h"
     13 #include "chrome/browser/chromeos/status/status_area_host.h"
     14 #include "chrome/browser/chromeos/status/window_switcher_button.h"
     15 #include "grit/theme_resources.h"
     16 #include "ui/base/resource/resource_bundle.h"
     17 #include "ui/gfx/canvas.h"
     18 #include "views/border.h"
     19 #include "views/controls/image_view.h"
     20 
     21 namespace chromeos {
     22 
     23 // Number of pixels to separate each icon.
     24 const int kSeparation = 5;
     25 
     26 StatusAreaView::StatusAreaView(StatusAreaHost* host)
     27     : host_(host),
     28       clock_view_(NULL),
     29       input_method_view_(NULL),
     30       network_view_(NULL),
     31       power_view_(NULL),
     32       window_switcher_view_(NULL) {
     33 }
     34 
     35 void StatusAreaView::Init() {
     36   // Clock.
     37   clock_view_ = new ClockMenuButton(host_);
     38   clock_view_->set_border(views::Border::CreateEmptyBorder(0, 1, 0, 0));
     39   AddChildView(clock_view_);
     40 
     41   // InputMethod.
     42   input_method_view_ = new InputMethodMenuButton(host_);
     43   AddChildView(input_method_view_);
     44 
     45   // Network.
     46   network_view_ = new NetworkMenuButton(host_);
     47   AddChildView(network_view_);
     48 
     49   // Power.
     50   power_view_ = new PowerMenuButton(host_);
     51   AddChildView(power_view_);
     52 
     53   // Window Switcher.
     54   window_switcher_view_ = new WindowSwitcherButton(host_);
     55   AddChildView(window_switcher_view_);
     56 }
     57 
     58 gfx::Size StatusAreaView::GetPreferredSize() {
     59   int result_w = kSeparation;
     60   int result_h = 0;
     61   int visible_count = 0;
     62   for (int i = 0; i < child_count(); i++) {
     63     views::View* cur = GetChildViewAt(i);
     64     if (cur->IsVisible()) {
     65       visible_count++;
     66       gfx::Size cur_size = cur->GetPreferredSize();
     67       // Add each width.
     68       result_w += cur_size.width() + kSeparation;
     69       // Use max height.
     70       result_h = std::max(result_h, cur_size.height());
     71     }
     72   }
     73   if (visible_count > 0)
     74     result_w -= kSeparation;
     75   return gfx::Size(result_w, result_h);
     76 }
     77 
     78 void StatusAreaView::Layout() {
     79   int cur_x = kSeparation;
     80   for (int i = 0; i < child_count(); i++) {
     81     views::View* cur = GetChildViewAt(i);
     82     if (cur->IsVisible()) {
     83       gfx::Size cur_size = cur->GetPreferredSize();
     84       int cur_y = (height() - cur_size.height()) / 2;
     85 
     86       // Handle odd number of pixels.
     87       cur_y += (height() - cur_size.height()) % 2;
     88 
     89       // Put next in row horizontally, and center vertically.
     90       cur->SetBounds(cur_x, cur_y, cur_size.width(), cur_size.height());
     91 
     92       if (cur_size.width() > 0)
     93         cur_x += cur_size.width() + kSeparation;
     94     }
     95   }
     96 }
     97 
     98 void StatusAreaView::ChildPreferredSizeChanged(View* child) {
     99   // When something like the clock menu button's size changes, we need to
    100   // relayout. Also mark that this view's size has changed. This will let
    101   // BrowserView know to relayout, which will reset the bounds of this view.
    102   Layout();
    103   PreferredSizeChanged();
    104 }
    105 
    106 void StatusAreaView::MakeButtonsActive(bool active) {
    107   clock_view()->set_active(active);
    108   input_method_view()->set_active(active);
    109   network_view()->set_active(active);
    110   power_view()->set_active(active);
    111 }
    112 
    113 }  // namespace chromeos
    114