chrome/browser/icon_loader_auralinux.cc

   1 // Copyright 2013 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/icon_loader.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/nix/mime_util_xdg.h"
  10 #include "ui/views/linux_ui/linux_ui.h"
  11
  12 // static
  13 IconGroupID IconLoader::ReadGroupIDFromFilepath(
  14     const base::FilePath& filepath) {
  15   return base::nix::GetFileMimeType(filepath);
  16 }
  17
  18 // static
  19 bool IconLoader::IsIconMutableFromFilepath(const base::FilePath&) {
  20   return false;
  21 }
  22
  23 // static
  24 content::BrowserThread::ID IconLoader::ReadIconThreadID() {
  25   // ReadIcon() calls into views::LinuxUI and GTK2 code, so it must be on the UI
  26   // thread.
  27   return content::BrowserThread::UI;
  28 }
  29
  30 void IconLoader::ReadIcon() {
  31   int size_pixels = 0;
  32   switch (icon_size_) {
  33     case IconLoader::SMALL:
  34       size_pixels = 16;
  35       break;
  36     case IconLoader::NORMAL:
  37       size_pixels = 32;
  38       break;
  39     case IconLoader::LARGE:
  40       size_pixels = 48;
  41       break;
  42     default:
  43       NOTREACHED();
  44   }
  45
  46   views::LinuxUI* ui = views::LinuxUI::instance();
  47   if (ui) {
  48     gfx::Image image = ui->GetIconForContentType(group_, size_pixels);
  49     if (!image.IsEmpty())
  50       image_.reset(new gfx::Image(image));
  51   }
  52
  53   target_task_runner_->PostTask(
  54       FROM_HERE, base::Bind(&IconLoader::NotifyDelegate, this));
  55 }