Pass content-type resources to web intents. Goes through download, then invokes the p…

chrome/browser/download/chrome_download_manager_delegate.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/download/chrome_download_manager_delegate.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/rand_util.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_crx_util.h"
 #include "chrome/browser/download/download_extensions.h"
 #include "chrome/browser/download/download_file_picker.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/download/download_status_updater.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/download/save_package_file_picker.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/user_script.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_intents_dispatcher.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "webkit/glue/web_intent_data.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/gdata/gdata_download_observer.h"
 #include "chrome/browser/download/download_file_picker_chromeos.h"
 #endif
@@ skipping 166 matching lines @@
 #if defined(OS_CHROMEOS)
   // If there's a GData upload associated with this download, we wait until that
   // is complete before allowing the download item to complete.
   if (!gdata::GDataDownloadObserver::IsReadyToComplete(item))
     return false;
 #endif
   return true;
 }
 
 bool ChromeDownloadManagerDelegate::ShouldOpenDownload(DownloadItem* item) {
-  if (!IsExtensionDownload(item)) {
+  if (IsExtensionDownload(item)) {
+    scoped_refptr<CrxInstaller> crx_installer =
+        download_crx_util::OpenChromeExtension(profile_, *item);
+
+    // CRX_INSTALLER_DONE will fire when the install completes.  Observe()
+    // will call DelayedDownloadOpened() on this item.  If this DownloadItem is
+    // not around when CRX_INSTALLER_DONE fires, Complete() will not be called.
+    registrar_.Add(this,
+                   chrome::NOTIFICATION_CRX_INSTALLER_DONE,
+                   content::Source<CrxInstaller>(crx_installer.get()));
+
+    crx_installers_[crx_installer.get()] = item->GetId();
+    // The status text and percent complete indicator will change now
+    // that we are installing a CRX.  Update observers so that they pick
+    // up the change.
+    item->UpdateObservers();
+    return false;
+  }
+
+  if (ShouldOpenWithWebIntents(item)) {
+    OpenWithWebIntent(item);
+    item->DelayedDownloadOpened();
+    return false;
+  }
+
+  return true;
+}
+
+bool ChromeDownloadManagerDelegate::ShouldOpenWithWebIntents(
+    const DownloadItem* item) {
+  std::string mime_type = item->GetMimeType();
+  if (mime_type == "application/rss+xml" ||
+      mime_type == "application/atom+xml") {
     return true;
   }
+  return false;
+}
 
-  scoped_refptr<CrxInstaller> crx_installer =
-      download_crx_util::OpenChromeExtension(profile_, *item);
+void ChromeDownloadManagerDelegate::OpenWithWebIntent(
+    const DownloadItem* item) {
+  webkit_glue::WebIntentData intent_data(
+      ASCIIToUTF16("http://webintents.org/view"),
+      ASCIIToUTF16(item->GetMimeType()),
+      item->GetFullPath().AsUTF8Unsafe(),
+      item->GetReceivedBytes());
 
-  // CRX_INSTALLER_DONE will fire when the install completes.  Observe()
-  // will call DelayedDownloadOpened() on this item.  If this DownloadItem is
-  // not around when CRX_INSTALLER_DONE fires, Complete() will not be called.
-  registrar_.Add(this,
-                 chrome::NOTIFICATION_CRX_INSTALLER_DONE,
-                 content::Source<CrxInstaller>(crx_installer.get()));
+  // TODO(gbillock): Should we pass this? RCH specifies that the receiver gets
+  // the url, but with web intents we don't need to pass it.
+  intent_data.extra_data.insert(make_pair(
+      ASCIIToUTF16("url"), ASCIIToUTF16(item->GetURL().spec())));
 
-  crx_installers_[crx_installer.get()] = item->GetId();
-  // The status text and percent complete indicator will change now
-  // that we are installing a CRX.  Update observers so that they pick
-  // up the change.
-  item->UpdateObservers();
-  return false;
+  content::WebIntentsDispatcher* dispatcher =
+      content::WebIntentsDispatcher::Create(intent_data);
+  item->GetWebContents()->GetDelegate()->WebIntentDispatch(
+      item->GetWebContents(), dispatcher);
 }
 
 bool ChromeDownloadManagerDelegate::GenerateFileHash() {
 #if defined(ENABLE_SAFE_BROWSING)
   return profile_->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled) &&
       g_browser_process->safe_browsing_service()->DownloadBinHashNeeded();
 #else
   return false;
 #endif
 }
@@ skipping 376 matching lines @@
     int32 download_id, int64 db_handle) {
   // It's not immediately obvious, but HistoryBackend::CreateDownload() can
   // call this function with an invalid |db_handle|. For instance, this can
   // happen when the history database is offline. We cannot have multiple
   // DownloadItems with the same invalid db_handle, so we need to assign a
   // unique |db_handle| here.
   if (db_handle == DownloadItem::kUninitializedHandle)
     db_handle = download_history_->GetNextFakeDbHandle();
   download_manager_->OnItemAddedToPersistentStore(download_id, db_handle);
 }