[AppList] Add a Suggestions Provider to applist.

chrome/browser/ui/app_list/search/suggestions/url_suggestion_result.cc

Index: chrome/browser/ui/app_list/search/suggestions/url_suggestion_result.cc
diff --git a/chrome/browser/ui/app_list/search/suggestions/url_suggestion_result.cc b/chrome/browser/ui/app_list/search/suggestions/url_suggestion_result.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ffcb92947e68ec410823cfe016dee4ed62eeaf38
--- /dev/null
+++ b/chrome/browser/ui/app_list/search/suggestions/url_suggestion_result.cc
@@ -0,0 +1,71 @@
+// Copyright 2014 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/suggestions/url_suggestion_result.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
+#include "chrome/browser/ui/app_list/search/search_util.h"
+#include "components/suggestions/suggestions_service.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/base/page_transition_types.h"
+#include "ui/gfx/image/image_skia.h"
+#include "url/gurl.h"
+
+namespace app_list {
+
+URLSuggestionResult::URLSuggestionResult(
+    Profile* profile, AppListControllerDelegate* list_controller,
+    suggestions::SuggestionsService* suggestions_service,
+    const suggestions::ChromeSuggestion& suggestion)
+    : profile_(profile),
+      list_controller_(list_controller),
+      suggestions_service_(suggestions_service),
+      suggestion_(suggestion),
+      weak_ptr_factory_(this) {
+  set_id(suggestion_.url());
+  set_title(base::UTF8ToUTF16(suggestion_.title()));
+  set_display_type(DISPLAY_TILE);
+
+  UpdateIcon();
+}
+
+URLSuggestionResult::~URLSuggestionResult() {}
+
+void URLSuggestionResult::Open(int event_flags) {
+  RecordHistogram(SUGGESTIONS_SEARCH_RESULT);
+  list_controller_->OpenURL(profile_, GURL(suggestion_.url()),
+                            ui::PageTransition::PAGE_TRANSITION_LINK,
+                            ui::DispositionFromEventFlags(event_flags));
+}
+
+scoped_ptr<SearchResult> URLSuggestionResult::Duplicate() {
+  URLSuggestionResult* new_result = new URLSuggestionResult(
+      profile_, list_controller_, suggestions_service_, suggestion_);
+  new_result->set_relevance(relevance());
+  return scoped_ptr<SearchResult>(new_result);
+}
+
+void URLSuggestionResult::UpdateIcon() {
+  if (suggestions_service_) {
+    suggestions_service_->GetPageThumbnail(
+        GURL(suggestion_.url()),
+        base::Bind(&URLSuggestionResult::OnSuggestionsThumbnailAvailable,
+                   weak_ptr_factory_.GetWeakPtr()));
+  }
+}
+
+void URLSuggestionResult::OnSuggestionsThumbnailAvailable(
+    const GURL& url, const SkBitmap* bitmap) {
+  if (bitmap) {
+    SetIcon(gfx::ImageSkia::CreateFrom1xBitmap(*bitmap));
+  } else {
+    // There is no image for this suggestion. Disable being shown on the start
+    // screen.
+    set_display_type(DISPLAY_NONE);
+  }
+}
+
+}  // namespace app_list