chrome/browser/task_management/providers/web_contents/extension_task.cc

   1 // Copyright 2015 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/task_management/providers/web_contents/extension_task.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "content/public/browser/browser_context.h"
   9 #include "content/public/browser/web_contents.h"
  10 #include "extensions/browser/view_type_utils.h"
  11 #include "extensions/common/constants.h"
  12 #include "extensions/common/extension.h"
  13 #include "extensions/common/manifest_handlers/icons_handler.h"
  14 #include "extensions/common/view_type.h"
  15 #include "grit/theme_resources.h"
  16 #include "ui/base/resource/resource_bundle.h"
  17
  18 namespace task_management {
  19
  20 namespace {
  21
  22 gfx::ImageSkia* g_default_icon = nullptr;
  23
  24 gfx::ImageSkia* GetDefaultIcon() {
  25   if (!ResourceBundle::HasSharedInstance())
  26     return nullptr;
  27
  28   if (!g_default_icon) {
  29     g_default_icon = ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
  30         IDR_EXTENSIONS_FAVICON);
  31   }
  32
  33   return g_default_icon;
  34 }
  35
  36 }  // namespace
  37
  38 ExtensionTask::ExtensionTask(content::WebContents* web_contents,
  39                              const extensions::Extension* extension,
  40                              extensions::ViewType view_type)
  41     : RendererTask(GetExtensionTitle(web_contents, extension, view_type),
  42                    GetDefaultIcon(),
  43                    web_contents,
  44                    web_contents->GetRenderProcessHost()) {
  45   LoadExtensionIcon(extension);
  46 }
  47
  48 ExtensionTask::~ExtensionTask() {
  49 }
  50
  51 void ExtensionTask::UpdateTitle() {
  52   // The title of the extension should not change as a result of title change
  53   // in its WebContents, so we ignore this.
  54 }
  55
  56 void ExtensionTask::UpdateFavicon() {
  57   // We don't care about the favicon of the WebContents but rather of the
  58   // extension.
  59 }
  60
  61 Task::Type ExtensionTask::GetType() const {
  62   return Task::EXTENSION;
  63 }
  64
  65 void ExtensionTask::OnExtensionIconImageChanged(extensions::IconImage* image) {
  66   DCHECK_EQ(extension_icon_.get(), image);
  67
  68   if (!image->image_skia().isNull())
  69     set_icon(image->image_skia());
  70 }
  71
  72 base::string16 ExtensionTask::GetExtensionTitle(
  73     content::WebContents* web_contents,
  74     const extensions::Extension* extension,
  75     extensions::ViewType view_type) const {
  76   DCHECK(web_contents);
  77
  78   base::string16 title = extension ?
  79       base::UTF8ToUTF16(extension->name()) :
  80       RendererTask::GetTitleFromWebContents(web_contents);
  81
  82   bool is_background =
  83       view_type == extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE;
  84
  85   return RendererTask::PrefixRendererTitle(
  86       title,
  87       extension && extension->is_app(),
  88       true,  // is_extension
  89       web_contents->GetBrowserContext()->IsOffTheRecord(),
  90       is_background);
  91 }
  92
  93 void ExtensionTask::LoadExtensionIcon(const extensions::Extension* extension) {
  94   if (!extension)
  95     return;
  96
  97   extension_icon_.reset(
  98       new extensions::IconImage(web_contents()->GetBrowserContext(),
  99                                 extension,
 100                                 extensions::IconsInfo::GetIcons(extension),
 101                                 extension_misc::EXTENSION_ICON_SMALL,
 102                                 icon(),
 103                                 this));
 104
 105   // Triggers actual image loading with 1x resources.
 106   extension_icon_->image_skia().GetRepresentation(1.0f);
 107   set_icon(extension_icon_->image_skia());
 108 }
 109
 110 }  // namespace task_management