| // Copyright 2017 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 "ios/chrome/browser/ui/activity_services/share_to_data_builder.h" |
| |
| #include "base/logging.h" |
| #include "ios/chrome/browser/tabs/tab.h" |
| #include "ios/chrome/browser/ui/activity_services/chrome_activity_item_thumbnail_generator.h" |
| #include "ios/chrome/browser/ui/activity_services/share_to_data.h" |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| namespace activity_services { |
| |
| ShareToData* ShareToDataForTab(Tab* tab) { |
| // For crash documented in crbug.com/503955, tab.url which is being passed |
| // as a reference parameter caused a crash due to invalid address which |
| // which suggests that |tab| may be deallocated along the way. Check that |
| // tab is still valid by checking webState which would be deallocated if |
| // tab is being closed. |
| if (!tab.webState) |
| return nil; |
| DCHECK(tab); |
| // If the original page title exists, it is expected to match the tab title. |
| // If this ever changes, then a decision has to be made on which one should |
| // be used for sharing. |
| DCHECK(!tab.originalTitle || [tab.originalTitle isEqualToString:tab.title]); |
| BOOL isPagePrintable = [tab viewForPrinting] != nil; |
| ThumbnailGeneratorBlock thumbnailGenerator = |
| activity_services::ThumbnailGeneratorForTab(tab); |
| return [[ShareToData alloc] initWithURL:tab.url |
| title:tab.title |
| isOriginalTitle:(tab.originalTitle != nil) |
| isPagePrintable:isPagePrintable |
| thumbnailGenerator:thumbnailGenerator]; |
| } |
| |
| } // namespace activity_services |
