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      1 // Copyright (c) 2012 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/gtk/avatar_menu_button_gtk.h"
      6 
      7 #include "base/i18n/rtl.h"
      8 #include "chrome/app/chrome_command_ids.h"
      9 #include "chrome/browser/command_updater.h"
     10 #include "chrome/browser/profiles/profile_metrics.h"
     11 #include "chrome/browser/profiles/profile_info_util.h"
     12 #include "chrome/browser/ui/browser.h"
     13 #include "chrome/browser/ui/browser_commands.h"
     14 #include "chrome/browser/ui/gtk/avatar_menu_bubble_gtk.h"
     15 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
     16 #include "ui/gfx/gtk_util.h"
     17 
     18 AvatarMenuButtonGtk::AvatarMenuButtonGtk(Browser* browser)
     19     : image_(NULL),
     20       browser_(browser),
     21       frame_style_(BubbleGtk::ANCHOR_TOP_LEFT),
     22       is_gaia_picture_(false),
     23       old_height_(0) {
     24   GtkWidget* event_box = gtk_event_box_new();
     25   image_ = gtk_image_new();
     26   gtk_container_add(GTK_CONTAINER(event_box), image_);
     27 
     28   g_signal_connect(event_box, "button-press-event",
     29                    G_CALLBACK(OnButtonPressedThunk), this);
     30   g_signal_connect(event_box, "size-allocate",
     31                    G_CALLBACK(OnSizeAllocateThunk), this);
     32 
     33   gtk_event_box_set_visible_window(GTK_EVENT_BOX(event_box), FALSE);
     34 
     35   widget_.Own(event_box);
     36 }
     37 
     38 AvatarMenuButtonGtk::~AvatarMenuButtonGtk() {
     39 }
     40 
     41 void AvatarMenuButtonGtk::SetIcon(const gfx::Image& image,
     42                                   bool is_gaia_picture) {
     43   icon_.reset(new gfx::Image(image));
     44   is_gaia_picture_ = is_gaia_picture;
     45   UpdateButtonIcon();
     46 }
     47 
     48 gboolean AvatarMenuButtonGtk::OnButtonPressed(GtkWidget* widget,
     49                                               GdkEventButton* event) {
     50   if (event->button != 1)
     51     return FALSE;
     52 
     53   ShowAvatarBubble();
     54   ProfileMetrics::LogProfileOpenMethod(ProfileMetrics::ICON_AVATAR_BUBBLE);
     55   return TRUE;
     56 }
     57 
     58 void AvatarMenuButtonGtk::OnSizeAllocate(GtkWidget* widget,
     59                                          GtkAllocation* allocation) {
     60   if (allocation->height != old_height_)
     61     UpdateButtonIcon();
     62 }
     63 
     64 void AvatarMenuButtonGtk::ShowAvatarBubble() {
     65   DCHECK(chrome::IsCommandEnabled(browser_, IDC_SHOW_AVATAR_MENU));
     66   // Only show the avatar bubble if the avatar button is in the title bar.
     67   if (gtk_widget_get_parent_window(widget_.get()))
     68     new AvatarMenuBubbleGtk(browser_, widget_.get(), frame_style_, NULL);
     69 }
     70 
     71 void AvatarMenuButtonGtk::UpdateButtonIcon() {
     72   if (!icon_.get())
     73     return;
     74 
     75   GtkAllocation allocation;
     76   gtk_widget_get_allocation(widget(), &allocation);
     77   old_height_ = allocation.height;
     78 
     79   // GAIA images are square; use kWidth for both destination height and width
     80   // since old_height_ is often not usable (typically a value of 1 which, after
     81   // subtracting border, tries to resize the profile image to a size of -1).
     82   gfx::Image icon = profiles::GetAvatarIconForTitleBar(
     83       *icon_, is_gaia_picture_,
     84       profiles::kAvatarIconWidth, profiles::kAvatarIconWidth);
     85   gtk_image_set_from_pixbuf(GTK_IMAGE(image_), icon.ToGdkPixbuf());
     86   gtk_misc_set_alignment(GTK_MISC(image_), 0.0, 1.0);
     87   gtk_widget_set_size_request(image_, -1, 0);
     88 }
     89