app_list: Add web store search.

chrome/browser/ui/app_list/search/webstore_result.cc

+// Copyright 2013 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/app_list/search/webstore_result.h"
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/search/webstore_result_icon_source.h"
+#include "chrome/browser/ui/browser_navigator.h"
+#include "chrome/common/extensions/extension.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace app_list {
+
+WebstoreResult::WebstoreResult(Profile* profile,
+                               const std::string& app_id,
+                               const std::string& localized_name,
+                               const GURL& icon_url)
+    : profile_(profile),
+      app_id_(app_id),
+      localized_name_(localized_name),
+      icon_url_(icon_url),
+      icon_changed_factory_(this) {
+  set_id(extensions::Extension::GetBaseURLFromExtensionId(app_id_).spec());
+  set_relevance(0.0);  // What is the right value to use?
+
+  set_title(UTF8ToUTF16(localized_name_));
+  SetDefaultDetails();
+
+  const int kIconSize = 32;
+  icon_ = gfx::ImageSkia(
+      new WebstoreResultIconSource(
+          base::Bind(&WebstoreResult::OnIconLoaded,
+                     icon_changed_factory_.GetWeakPtr()),

[koz (OOO until 15th September), 2013/05/20 01:14:16]

nit: I think it's more common to just name this variable weak_factory_.

[xiyuan, 2013/05/20 16:56:31]

Done.

+          profile_->GetRequestContext(),
+          icon_url_,
+          kIconSize),
+      gfx::Size(kIconSize, kIconSize));
+  SetIcon(icon_);
+}
+
+WebstoreResult::~WebstoreResult() {}
+
+void WebstoreResult::Open(int event_flags) {
+  const GURL store_url(extension_urls::GetWebstoreItemDetailURLPrefix() +
+                       app_id_);
+  chrome::NavigateParams params(profile_,
+                                store_url,
+                                content::PAGE_TRANSITION_LINK);
+  params.disposition = ui::DispositionFromEventFlags(event_flags);
+  chrome::Navigate(&params);
+}
+
+void WebstoreResult::InvokeAction(int action_index, int event_flags) {}
+
+scoped_ptr<ChromeSearchResult> WebstoreResult::Duplicate() {
+  return scoped_ptr<ChromeSearchResult>(
+      new WebstoreResult(profile_, app_id_, localized_name_, icon_url_)).Pass();
+}
+
+void WebstoreResult::SetDefaultDetails() {
+  const base::string16 details =
+      l10n_util::GetStringUTF16(IDS_EXTENSION_WEB_STORE_TITLE);
+  Tags details_tags;
+  details_tags.push_back(Tag(SearchResult::Tag::DIM, 0, details.length()));
+
+  set_details(details);
+  set_details_tags(details_tags);
+}
+
+void WebstoreResult::OnIconLoaded() {
+  // Remove the existing image reps since the icon data is loaded and they
+  // need to be re-created.
+  const std::vector<gfx::ImageSkiaRep>& image_reps = icon_.image_reps();
+  for (size_t i = 0; i < image_reps.size(); ++i)
+    icon_.RemoveRepresentation(image_reps[i].scale_factor());
+
+  SetIcon(icon_);
+}
+
+}  // namespace app_list