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      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/ui/gtk/infobars/extension_infobar_gtk.h"
      6 
      7 #include "chrome/browser/extensions/extension_host.h"
      8 #include "chrome/common/extensions/extension.h"
      9 #include "chrome/common/extensions/extension_icon_set.h"
     10 #include "chrome/common/extensions/extension_resource.h"
     11 #include "content/browser/renderer_host/render_view_host.h"
     12 #include "content/browser/renderer_host/render_widget_host_view.h"
     13 #include "grit/theme_resources.h"
     14 #include "ui/base/resource/resource_bundle.h"
     15 #include "ui/gfx/gtk_util.h"
     16 
     17 ExtensionInfoBarGtk::ExtensionInfoBarGtk(ExtensionInfoBarDelegate* delegate)
     18     : InfoBar(delegate),
     19       tracker_(this),
     20       delegate_(delegate),
     21       view_(NULL) {
     22   delegate_->extension_host()->view()->SetContainer(this);
     23   BuildWidgets();
     24 }
     25 
     26 ExtensionInfoBarGtk::~ExtensionInfoBarGtk() {
     27   // This view is not owned by us, so unparent.
     28   gtk_widget_unparent(view_->native_view());
     29 }
     30 
     31 void ExtensionInfoBarGtk::OnImageLoaded(
     32     SkBitmap* image, const ExtensionResource& resource, int index) {
     33   if (!delegate_)
     34     return;  // The delegate can go away while we asynchronously load images.
     35 
     36   // ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     37   //
     38   // SkBitmap* icon;
     39   // if (!image || image->empty())
     40   //  icon = rb.GetBitmapNamed(IDR_EXTENSIONS_SECTION);
     41   // else
     42   //  icon = image;
     43   // TODO(finnur): Use the above code.
     44   // We now have the icon for the menu button, show the menu button and layout.
     45 }
     46 
     47 void ExtensionInfoBarGtk::BuildWidgets() {
     48   // Start loading the image for the menu button.
     49   const Extension* extension = delegate_->extension_host()->extension();
     50   ExtensionResource icon_resource = extension->GetIconResource(
     51       Extension::EXTENSION_ICON_BITTY, ExtensionIconSet::MATCH_EXACTLY);
     52   if (!icon_resource.relative_path().empty()) {
     53     // Create a tracker to load the image. It will report back on OnImageLoaded.
     54     tracker_.LoadImage(extension, icon_resource,
     55                        gfx::Size(Extension::EXTENSION_ICON_BITTY,
     56                                  Extension::EXTENSION_ICON_BITTY),
     57                        ImageLoadingTracker::DONT_CACHE);
     58   } else {
     59     OnImageLoaded(NULL, icon_resource, 0);  // |image|, |index|.
     60   }
     61 
     62   ExtensionHost* extension_host = delegate_->extension_host();
     63   view_ = extension_host->view();
     64   if (gtk_widget_get_parent(view_->native_view())) {
     65     gtk_widget_reparent(view_->native_view(), hbox_);
     66     gtk_box_set_child_packing(GTK_BOX(hbox_), view_->native_view(),
     67                               TRUE, TRUE, 0, GTK_PACK_START);
     68   } else {
     69     gtk_box_pack_start(GTK_BOX(hbox_), view_->native_view(), TRUE, TRUE, 0);
     70   }
     71 
     72   g_signal_connect(view_->native_view(), "size_allocate",
     73                    G_CALLBACK(&OnSizeAllocateThunk), this);
     74 }
     75 
     76 void ExtensionInfoBarGtk::OnSizeAllocate(GtkWidget* widget,
     77                                          GtkAllocation* allocation) {
     78   gfx::Size new_size(allocation->width, allocation->height);
     79 
     80   delegate_->extension_host()->view()->render_view_host()->view()
     81       ->SetSize(new_size);
     82 }
     83 
     84 void ExtensionInfoBarGtk::OnExtensionPreferredSizeChanged(
     85     ExtensionViewGtk* view,
     86     const gfx::Size& new_size) {
     87   // TODO(rafaelw) - Size the InfobarGtk vertically based on the preferred size
     88   // of the content.
     89 }
     90 
     91 InfoBar* ExtensionInfoBarDelegate::CreateInfoBar() {
     92   return new ExtensionInfoBarGtk(this);
     93 }
     94