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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/renderer/extensions/user_script_slave.h" | 5 #include "chrome/renderer/extensions/user_script_slave.h" |
6 | 6 |
7 #include <map> | 7 #include <map> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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223 script->match_all_frames() ? | 223 script->match_all_frames() ? |
224 WebView::UserContentInjectInAllFrames : | 224 WebView::UserContentInjectInAllFrames : |
225 WebView::UserContentInjectInTopFrameOnly, | 225 WebView::UserContentInjectInTopFrameOnly, |
226 WebView::UserStyleInjectInExistingDocuments); | 226 WebView::UserStyleInjectInExistingDocuments); |
227 } | 227 } |
228 } | 228 } |
229 | 229 |
230 return true; | 230 return true; |
231 } | 231 } |
232 | 232 |
233 GURL UserScriptSlave::GetLatestURLForFrame(WebFrame* frame) { | 233 GURL UserScriptSlave::GetDataSourceURLForFrame(WebFrame* frame) { |
234 // Normally we would use frame->document().url() to determine the document's | 234 // Normally we would use frame->document().url() to determine the document's |
235 // URL, but to decide whether to inject a content script, we use the URL from | 235 // URL, but to decide whether to inject a content script, we use the URL from |
236 // the data source. This "quirk" helps prevents content scripts from | 236 // the data source. This "quirk" helps prevents content scripts from |
237 // inadvertently adding DOM elements to the compose iframe in Gmail because | 237 // inadvertently adding DOM elements to the compose iframe in Gmail because |
238 // the compose iframe's dataSource URL is about:blank, but the document URL | 238 // the compose iframe's dataSource URL is about:blank, but the document URL |
239 // changes to match the parent document after Gmail document.writes into | 239 // changes to match the parent document after Gmail document.writes into |
240 // it to create the editor. | 240 // it to create the editor. |
241 // http://code.google.com/p/chromium/issues/detail?id=86742 | 241 // http://code.google.com/p/chromium/issues/detail?id=86742 |
242 WebKit::WebDataSource* data_source = frame->provisionalDataSource() ? | 242 WebKit::WebDataSource* data_source = frame->provisionalDataSource() ? |
243 frame->provisionalDataSource() : frame->dataSource(); | 243 frame->provisionalDataSource() : frame->dataSource(); |
244 CHECK(data_source); | 244 CHECK(data_source); |
245 return GURL(data_source->request().url()); | 245 return GURL(data_source->request().url()); |
246 } | 246 } |
247 | 247 |
248 void UserScriptSlave::InjectScripts(WebFrame* frame, | 248 void UserScriptSlave::InjectScripts(WebFrame* frame, |
249 UserScript::RunLocation location) { | 249 UserScript::RunLocation location) { |
250 GURL data_source_url = GetLatestURLForFrame(frame); | 250 GURL data_source_url = GetDataSourceURLForFrame(frame); |
251 if (data_source_url.is_empty()) | 251 if (data_source_url.is_empty()) |
252 return; | 252 return; |
253 | 253 |
254 if (frame->isViewSourceModeEnabled()) | 254 if (frame->isViewSourceModeEnabled()) |
255 data_source_url = GURL(chrome::kViewSourceScheme + std::string(":") + | 255 data_source_url = GURL(chrome::kViewSourceScheme + std::string(":") + |
256 data_source_url.spec()); | 256 data_source_url.spec()); |
257 | 257 |
258 PerfTimer timer; | 258 PerfTimer timer; |
259 int num_css = 0; | 259 int num_css = 0; |
260 int num_scripts = 0; | 260 int num_scripts = 0; |
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335 if (num_scripts) | 335 if (num_scripts) |
336 UMA_HISTOGRAM_TIMES("Extensions.InjectEnd_Time", timer.Elapsed()); | 336 UMA_HISTOGRAM_TIMES("Extensions.InjectEnd_Time", timer.Elapsed()); |
337 } else if (location == UserScript::DOCUMENT_IDLE) { | 337 } else if (location == UserScript::DOCUMENT_IDLE) { |
338 UMA_HISTOGRAM_COUNTS_100("Extensions.InjectIdle_ScriptCount", num_scripts); | 338 UMA_HISTOGRAM_COUNTS_100("Extensions.InjectIdle_ScriptCount", num_scripts); |
339 if (num_scripts) | 339 if (num_scripts) |
340 UMA_HISTOGRAM_TIMES("Extensions.InjectIdle_Time", timer.Elapsed()); | 340 UMA_HISTOGRAM_TIMES("Extensions.InjectIdle_Time", timer.Elapsed()); |
341 } else { | 341 } else { |
342 NOTREACHED(); | 342 NOTREACHED(); |
343 } | 343 } |
344 } | 344 } |
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