| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| // Magic pretend-to-be-a-chromium-build flags |
| #undef WEBKIT_IMPLEMENTATION |
| #undef LOG |
| |
| #include "content/content_detector.h" |
| |
| #include "public/android/WebDOMTextContentWalker.h" |
| #include "public/android/WebHitTestInfo.h" |
| |
| #include "Document.h" |
| #include "Node.h" |
| #include "Page.h" |
| #include "Settings.h" |
| |
| using WebKit::WebDOMTextContentWalker; |
| using WebKit::WebRange; |
| |
| ContentDetector::Result ContentDetector::FindTappedContent( |
| const WebKit::WebHitTestInfo& hit_test) { |
| if (!IsEnabled(hit_test)) |
| return Result(); |
| WebKit::WebRange range = FindContentRange(hit_test); |
| if (range.isNull()) |
| return Result(); |
| |
| std::string text = GetContentText(range); |
| GURL intent_url = GetIntentURL(text); |
| return Result(range, text, intent_url); |
| } |
| |
| WebRange ContentDetector::FindContentRange( |
| const WebKit::WebHitTestInfo& hit_test) { |
| WebDOMTextContentWalker content_walker(hit_test, GetMaximumContentLength()); |
| string16 content = content_walker.content(); |
| if (content.empty()) |
| return WebRange(); |
| |
| size_t selected_offset = content_walker.hitOffsetInContent(); |
| for (size_t start_offset = 0; start_offset < content.length();) { |
| size_t relative_start, relative_end; |
| if (!FindContent(content.begin() + start_offset, |
| content.end(), &relative_start, &relative_end)) { |
| break; |
| } else { |
| size_t content_start = start_offset + relative_start; |
| size_t content_end = start_offset + relative_end; |
| DCHECK(content_end <= content.length()); |
| |
| if (selected_offset >= content_start && selected_offset < content_end) { |
| WebRange range = content_walker.contentOffsetsToRange( |
| content_start, content_end); |
| DCHECK(!range.isNull()); |
| return range; |
| } else { |
| start_offset += relative_end; |
| } |
| } |
| } |
| |
| return WebRange(); |
| } |
| |
| WebCore::Settings* ContentDetector::GetSettings(const WebKit::WebHitTestInfo& hit_test) { |
| if (!hit_test.node() || !hit_test.node()->document()) |
| return 0; |
| return hit_test.node()->document()->page()->settings(); |
| } |