Introduce new async IPC message to get file icons

chrome/renderer/render_view.cc

 // Copyright (c) 2010 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/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 68 matching lines @@
 #include "third_party/WebKit/WebKit/chromium/public/WebCString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDataSource.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDevToolsAgent.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDragData.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFileChooserParams.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFormControlElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFormElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebHistoryItem.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIconLoadingCompletion.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebImage.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebInputElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebNode.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebNodeList.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPageSerializer.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPlugin.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPluginDocument.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPoint.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebRange.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
@@ skipping 66 matching lines @@
 using WebKit::WebDragData;
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
 using WebKit::WebEditingAction;
 using WebKit::WebFileChooserCompletion;
 using WebKit::WebFindOptions;
 using WebKit::WebFormControlElement;
 using WebKit::WebFormElement;
 using WebKit::WebFrame;
 using WebKit::WebHistoryItem;
+using WebKit::WebIconLoadingCompletion;
 using WebKit::WebImage;
 using WebKit::WebInputElement;
 using WebKit::WebMediaPlayer;
 using WebKit::WebMediaPlayerAction;
 using WebKit::WebMediaPlayerClient;
 using WebKit::WebNavigationPolicy;
 using WebKit::WebNavigationType;
 using WebKit::WebNode;
 using WebKit::WebPageSerializer;
 using WebKit::WebPageSerializerClient;
@@ skipping 183 matching lines @@
       is_loading_(false),
       navigation_gesture_(NavigationGestureUnknown),
       page_id_(-1),
       last_page_id_sent_to_browser_(-1),
       last_indexed_page_id_(-1),
       opened_by_user_gesture_(true),
       opener_suppressed_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)),
       devtools_agent_(NULL),
       devtools_client_(NULL),
+      choose_icon_for_files_counter_(0),
       history_list_offset_(-1),
       history_list_length_(0),
       has_unload_listener_(false),
       decrement_shared_popup_at_destruction_(false),
       autofill_query_id_(0),
       script_can_close_(true),
       spelling_panel_visible_(false),
       send_content_state_immediately_(false),
       send_preferred_size_changes_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(
@@ skipping 235 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_DragSourceEndedOrMoved,
                         OnDragSourceEndedOrMoved)
     IPC_MESSAGE_HANDLER(ViewMsg_DragSourceSystemDragEnded,
                         OnDragSourceSystemDragEnded)
     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
     IPC_MESSAGE_HANDLER(ViewMsg_SetAltErrorPageURL, OnSetAltErrorPageURL)
     IPC_MESSAGE_HANDLER(ViewMsg_InstallMissingPlugin, OnInstallMissingPlugin)
     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
+    IPC_MESSAGE_HANDLER(ViewMsg_ChooseIconForFilesResponse,
+                        OnChooseIconForFilesResponse)
     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
                         OnGetAllSavableResourceLinksForCurrentPage)
     IPC_MESSAGE_HANDLER(
         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
     IPC_MESSAGE_HANDLER(ViewMsg_GetApplicationInfo, OnGetApplicationInfo)
     IPC_MESSAGE_HANDLER(ViewMsg_GetAccessibilityInfo, OnGetAccessibilityInfo)
     IPC_MESSAGE_HANDLER(ViewMsg_ClearAccessibilityInfo,
                         OnClearAccessibilityInfo)
@@ skipping 1161 matching lines @@
 
 bool RenderView::isShowingSpellingUI() {
   return spelling_panel_visible_;
 }
 
 void RenderView::updateSpellingUIWithMisspelledWord(const WebString& word) {
   Send(new ViewHostMsg_UpdateSpellingPanelWithMisspelledWord(routing_id_,
                                                              word));
 }
 
+bool RenderView::chooseIconForFiles(
+    const WebKit::WebVector<WebKit::WebString>& filenames,
+    WebIconLoadingCompletion* completion) {
+  icon_loading_map_[choose_icon_for_files_counter_] = completion;
+
+  std::vector<FilePath> file_paths;
+  file_paths.reserve(filenames.size());
+  for (unsigned i = 0; i < filenames.size(); ++i)
+    file_paths.push_back(webkit_glue::WebStringToFilePath(filenames[i]));
+  int request_id = choose_icon_for_files_counter_++;
+  Send(new ViewHostMsg_ChooseIconForFiles(routing_id_, request_id, file_paths));
+  return true;
+}
+
 bool RenderView::runFileChooser(
     const WebKit::WebFileChooserParams& params,
     WebFileChooserCompletion* chooser_completion) {
   ViewHostMsg_RunFileChooser_Params ipc_params;
   ipc_params.mode = params.multiSelect ?
       ViewHostMsg_RunFileChooser_Params::OpenMultiple :
       ViewHostMsg_RunFileChooser_Params::Open;
   ipc_params.title = params.title;
   ipc_params.default_file_name =
       webkit_glue::WebStringToFilePath(params.initialValue);
@@ skipping 2002 matching lines @@
 void RenderView::OnRevertTranslation(int page_id) {
   translate_helper_.RevertTranslation(page_id);
 }
 
 void RenderView::OnInstallMissingPlugin() {
   // This could happen when the first default plugin is deleted.
   if (first_default_plugin_)
     first_default_plugin_->InstallMissingPlugin();
 }
 
+void RenderView::OnChooseIconForFilesResponse(
+    int request_id, const std::vector<unsigned char>& icon_data) {
+  IconLoadingMap::iterator it = icon_loading_map_.find(request_id);
+  if (it == icon_loading_map_.end())
+    return;
+  WebIconLoadingCompletion* completion = it->second;
+  icon_loading_map_.erase(it);
+
+  // reinterpret_cast: No need to care signedness of binary data.
+  WebData web_data(reinterpret_cast<const char*>(&icon_data[0]),
+                   icon_data.size());
+  completion->iconLoaded(web_data);
+}
+
 void RenderView::OnFileChooserResponse(const std::vector<FilePath>& paths) {
   // This could happen if we navigated to a different page before the user
   // closed the chooser.
   if (file_chooser_completions_.empty())
     return;
 
   WebVector<WebString> ws_file_names(paths.size());
   for (size_t i = 0; i < paths.size(); ++i)
     ws_file_names[i] = webkit_glue::FilePathToWebString(paths[i]);
 
@@ skipping 1139 matching lines @@
 
     if (last_top_level_navigation_page_id_ != page_id_ &&
         // Not interested in reloads.
         type != WebKit::WebNavigationTypeReload &&
         type != WebKit::WebNavigationTypeFormSubmitted) {
       return true;
     }
   }
   return false;
 }