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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/tab_contents/context_menu_utils.h" |
| 6 |
| 7 #include "webkit/glue/context_menu.h" |
| 8 #include "webkit/glue/webmenuitem.h" |
| 9 |
| 10 using WebKit::WebContextMenuData; |
| 11 |
| 12 namespace { |
| 13 |
| 14 bool ExtensionContextMatch(const ContextMenuParams& params, |
| 15 ExtensionMenuItem::ContextList contexts) { |
| 16 bool has_link = !params.link_url.is_empty(); |
| 17 bool has_selection = !params.selection_text.empty(); |
| 18 |
| 19 if (contexts.Contains(ExtensionMenuItem::ALL) || |
| 20 (has_selection && contexts.Contains(ExtensionMenuItem::SELECTION)) || |
| 21 (has_link && contexts.Contains(ExtensionMenuItem::LINK)) || |
| 22 (params.src_url.scheme() == "filesystem" && |
| 23 contexts.Contains(ExtensionMenuItem::FILE)) || |
| 24 (params.is_editable && contexts.Contains(ExtensionMenuItem::EDITABLE))) { |
| 25 return true; |
| 26 } |
| 27 |
| 28 switch (params.media_type) { |
| 29 case WebKit::WebContextMenuData::MediaTypeImage: |
| 30 return contexts.Contains(ExtensionMenuItem::IMAGE); |
| 31 |
| 32 case WebKit::WebContextMenuData::MediaTypeVideo: |
| 33 return contexts.Contains(ExtensionMenuItem::VIDEO); |
| 34 |
| 35 case WebKit::WebContextMenuData::MediaTypeAudio: |
| 36 return contexts.Contains(ExtensionMenuItem::AUDIO); |
| 37 |
| 38 default: |
| 39 break; |
| 40 } |
| 41 |
| 42 |
| 43 // PAGE is the least specific context, so we only examine that if none of the |
| 44 // other contexts apply. |
| 45 if (!has_link && !has_selection && !params.is_editable && |
| 46 params.media_type == WebKit::WebContextMenuData::MediaTypeNone && |
| 47 contexts.Contains(ExtensionMenuItem::PAGE)) |
| 48 return true; |
| 49 |
| 50 return false; |
| 51 } |
| 52 |
| 53 bool ExtensionPatternMatch(const ExtensionExtent& patterns, |
| 54 const GURL& url) { |
| 55 // No patterns means no restriction, so that implicitly matches. |
| 56 if (patterns.is_empty()) |
| 57 return true; |
| 58 return patterns.ContainsURL(url); |
| 59 } |
| 60 |
| 61 } |
| 62 |
| 63 const GURL& ContextMenuUtils::GetDocumentURL(const ContextMenuParams& params) { |
| 64 return params.frame_url.is_empty() ? params.page_url : params.frame_url; |
| 65 } |
| 66 |
| 67 // Given a list of items, returns the ones that match given the contents |
| 68 // of |params| and the profile. |
| 69 ExtensionMenuItem::List ContextMenuUtils::GetRelevantExtensionItems( |
| 70 const ExtensionMenuItem::List& items, |
| 71 const ContextMenuParams& params, |
| 72 Profile* profile, |
| 73 bool can_cross_incognito) { |
| 74 ExtensionMenuItem::List result; |
| 75 for (ExtensionMenuItem::List::const_iterator i = items.begin(); |
| 76 i != items.end(); ++i) { |
| 77 const ExtensionMenuItem* item = *i; |
| 78 |
| 79 if (!ExtensionContextMatch(params, item->contexts())) |
| 80 continue; |
| 81 |
| 82 const GURL& document_url = GetDocumentURL(params); |
| 83 if (!ExtensionPatternMatch(item->document_url_patterns(), document_url)) |
| 84 continue; |
| 85 |
| 86 const GURL& target_url = |
| 87 params.src_url.is_empty() ? params.link_url : params.src_url; |
| 88 if (!ExtensionPatternMatch(item->target_url_patterns(), target_url)) |
| 89 continue; |
| 90 |
| 91 if (item->id().profile == profile || can_cross_incognito) |
| 92 result.push_back(*i); |
| 93 } |
| 94 return result; |
| 95 } |
| 96 |
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