[Extensions] Remove the Infobar API

chrome/browser/ui/views/infobars/extension_infobar.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/ui/views/infobars/extension_infobar.h"
-
-#include "chrome/browser/extensions/extension_context_menu_model.h"
-#include "chrome/browser/extensions/extension_infobar_delegate.h"
-#include "chrome/browser/extensions/extension_view_host.h"
-#include "chrome/browser/platform_util.h"
-#include "chrome/browser/ui/infobar_container_delegate.h"
-#include "chrome/browser/ui/views/extensions/extension_view_views.h"
-#include "chrome/browser/ui/views/frame/browser_view.h"
-#include "extensions/browser/image_loader.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/extension_icon_set.h"
-#include "extensions/common/extension_resource.h"
-#include "extensions/common/manifest_handlers/icons_handler.h"
-#include "grit/theme_resources.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/animation/slide_animation.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/image/canvas_image_source.h"
-#include "ui/gfx/image/image.h"
-#include "ui/views/controls/button/menu_button.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/widget/widget.h"
-
-
-// ExtensionInfoBarDelegate ----------------------------------------------------
-
-// static
-scoped_ptr<infobars::InfoBar> ExtensionInfoBarDelegate::CreateInfoBar(
-    scoped_ptr<ExtensionInfoBarDelegate> delegate) {
-  Browser* browser = delegate->browser_;
-  return scoped_ptr<infobars::InfoBar>(
-      new ExtensionInfoBar(delegate.Pass(), browser));
-}
-
-
-// ExtensionInfoBar ------------------------------------------------------------
-
-namespace {
-// The horizontal margin between the infobar icon and the Extension (HTML) view.
-const int kIconHorizontalMargin = 1;
-
-class MenuImageSource: public gfx::CanvasImageSource {
- public:
-  MenuImageSource(const gfx::ImageSkia& icon, const gfx::ImageSkia& drop_image)
-      : gfx::CanvasImageSource(ComputeSize(drop_image), false),
-        icon_(icon),
-        drop_image_(drop_image) {
-  }
-
-  ~MenuImageSource() override {}
-
-  // Overridden from gfx::CanvasImageSource
-  void Draw(gfx::Canvas* canvas) override {
-    int image_size = extension_misc::EXTENSION_ICON_BITTY;
-    canvas->DrawImageInt(icon_, 0, 0, icon_.width(), icon_.height(), 0, 0,
-                         image_size, image_size, false);
-    canvas->DrawImageInt(drop_image_, image_size + kDropArrowLeftMargin,
-                         image_size / 2);
-  }
-
- private:
-  gfx::Size ComputeSize(const gfx::ImageSkia& drop_image) const {
-    int image_size = extension_misc::EXTENSION_ICON_BITTY;
-    return gfx::Size(image_size + kDropArrowLeftMargin + drop_image.width(),
-                     image_size);
-  }
-
-  // The margin between the extension icon and the drop-down arrow image.
-  static const int kDropArrowLeftMargin = 3;
-
-  const gfx::ImageSkia icon_;
-  const gfx::ImageSkia drop_image_;
-
-  DISALLOW_COPY_AND_ASSIGN(MenuImageSource);
-};
-
-}  // namespace
-
-ExtensionInfoBar::ExtensionInfoBar(
-    scoped_ptr<ExtensionInfoBarDelegate> delegate,
-    Browser* browser)
-    : InfoBarView(delegate.Pass()),
-      browser_(browser),
-      infobar_icon_(NULL),
-      icon_as_menu_(NULL),
-      icon_as_image_(NULL),
-      weak_ptr_factory_(this) {
-}
-
-ExtensionInfoBar::~ExtensionInfoBar() {
-}
-
-void ExtensionInfoBar::Layout() {
-  InfoBarView::Layout();
-
-  infobar_icon_->SetPosition(gfx::Point(StartX(), OffsetY(infobar_icon_)));
-  ExtensionViewViews* extension_view = GetExtensionView();
-  // TODO(pkasting): We'd like to simply set the extension view's desired height
-  // at creation time and position using OffsetY() like for other infobar items,
-  // but the NativeViewHost inside does not seem to be clipped by the ClipRect()
-  // call in InfoBarView::PaintChildren(), so we have to manually clamp the size
-  // here.
-  extension_view->SetSize(gfx::Size(
-      std::max(0, EndX() - StartX() - NonExtensionViewWidth()),
-      std::min(
-          height() - InfoBarContainerDelegate::kSeparatorLineHeight -
-              arrow_height(),
-          GetDelegate()->height())));
-  // We do SetPosition() separately after SetSize() so OffsetY() will work.
-  extension_view->SetPosition(
-      gfx::Point(infobar_icon_->bounds().right() + kIconHorizontalMargin,
-                 std::max(arrow_height(), OffsetY(extension_view))));
-}
-
-void ExtensionInfoBar::ViewHierarchyChanged(
-    const ViewHierarchyChangedDetails& details) {
-  if (!details.is_add || (details.child != this) || (infobar_icon_ != NULL)) {
-    InfoBarView::ViewHierarchyChanged(details);
-    return;
-  }
-
-  extensions::ExtensionViewHost* extension_view_host =
-      GetDelegate()->extension_view_host();
-
-  if (extension_view_host->extension()->ShowConfigureContextMenus()) {
-    icon_as_menu_ = new views::MenuButton(NULL, base::string16(), this, false);
-    icon_as_menu_->SetFocusable(true);
-    infobar_icon_ = icon_as_menu_;
-  } else {
-    icon_as_image_ = new views::ImageView();
-    infobar_icon_ = icon_as_image_;
-  }
-
-  // Wait until the icon image is loaded before showing it.
-  infobar_icon_->SetVisible(false);
-  AddChildView(infobar_icon_);
-
-  // Set the desired height of the ExtensionViewViews, so that when the
-  // AddChildView() call triggers InfoBarView::ViewHierarchyChanged(), it can
-  // read the correct height off this object in order to calculate the overall
-  // desired infobar height.
-  GetExtensionView()->SetSize(gfx::Size(0, GetDelegate()->height()));
-  AddChildView(GetExtensionView());
-
-  // This must happen after adding all other children so InfoBarView can ensure
-  // the close button is the last child.
-  InfoBarView::ViewHierarchyChanged(details);
-
-  // This must happen after adding all children because it can trigger layout,
-  // which assumes that particular children (e.g. the close button) have already
-  // been added.
-  const extensions::Extension* extension = extension_view_host->extension();
-  extension_misc::ExtensionIcons image_size =
-      extension_misc::EXTENSION_ICON_BITTY;
-  extensions::ExtensionResource icon_resource =
-      extensions::IconsInfo::GetIconResource(
-          extension, image_size, ExtensionIconSet::MATCH_EXACTLY);
-  extensions::ImageLoader* loader =
-      extensions::ImageLoader::Get(extension_view_host->browser_context());
-  loader->LoadImageAsync(
-      extension,
-      icon_resource,
-      gfx::Size(image_size, image_size),
-      base::Bind(&ExtensionInfoBar::OnImageLoaded,
-                 weak_ptr_factory_.GetWeakPtr()));
-}
-
-int ExtensionInfoBar::ContentMinimumWidth() const {
-  return NonExtensionViewWidth() + static_cast<const ExtensionViewViews*>(
-      GetDelegate()->extension_view_host()->view())->GetMinimumSize().width();
-}
-
-void ExtensionInfoBar::OnMenuButtonClicked(views::View* source,
-                                           const gfx::Point& point) {
-  if (!owner())
-    return;  // We're closing; don't call anything, it might access the owner.
-  const extensions::Extension* extension =
-      GetDelegate()->extension_view_host()->extension();
-  DCHECK(icon_as_menu_);
-
-  scoped_refptr<ExtensionContextMenuModel> options_menu_contents =
-      new ExtensionContextMenuModel(extension, browser_);
-  DCHECK_EQ(icon_as_menu_, source);
-  RunMenuAt(
-      options_menu_contents.get(), icon_as_menu_, views::MENU_ANCHOR_TOPLEFT);
-}
-
-void ExtensionInfoBar::OnImageLoaded(const gfx::Image& image) {
-  if (!GetDelegate())
-    return;  // The delegate can go away while we asynchronously load images.
-
-  const gfx::ImageSkia* icon = NULL;
-  // Fall back on the default extension icon on failure.
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-  if (image.IsEmpty())
-    icon = rb.GetImageNamed(IDR_EXTENSIONS_SECTION).ToImageSkia();
-  else
-    icon = image.ToImageSkia();
-
-  if (icon_as_menu_) {
-    const gfx::ImageSkia* drop_image =
-        rb.GetImageNamed(IDR_APP_DROPARROW).ToImageSkia();
-
-    gfx::CanvasImageSource* source = new MenuImageSource(*icon, *drop_image);
-    gfx::ImageSkia menu_image = gfx::ImageSkia(source, source->size());
-    icon_as_menu_->SetImage(views::Button::STATE_NORMAL, menu_image);
-  } else {
-    icon_as_image_->SetImage(*icon);
-  }
-
-  infobar_icon_->SizeToPreferredSize();
-  infobar_icon_->SetVisible(true);
-
-  Layout();
-}
-
-ExtensionInfoBarDelegate* ExtensionInfoBar::GetDelegate() {
-  return delegate()->AsExtensionInfoBarDelegate();
-}
-
-const ExtensionInfoBarDelegate* ExtensionInfoBar::GetDelegate() const {
-  return delegate()->AsExtensionInfoBarDelegate();
-}
-
-ExtensionViewViews* ExtensionInfoBar::GetExtensionView() {
-  return static_cast<ExtensionViewViews*>(
-      GetDelegate()->extension_view_host()->view());
-}
-
-int ExtensionInfoBar::NonExtensionViewWidth() const {
-  return infobar_icon_->width() + kIconHorizontalMargin;
-}