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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "extensions/renderer/extension_frame_helper.h" | 5 #include "extensions/renderer/extension_frame_helper.h" |
6 | 6 |
7 #include "base/strings/string_util.h" | 7 #include "base/strings/string_util.h" |
8 #include "content/public/renderer/render_frame.h" | 8 #include "content/public/renderer/render_frame.h" |
9 #include "extensions/common/api/messaging/message.h" | 9 #include "extensions/common/api/messaging/message.h" |
10 #include "extensions/common/constants.h" | 10 #include "extensions/common/constants.h" |
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116 void ExtensionFrameHelper::DidCreateDocumentElement() { | 116 void ExtensionFrameHelper::DidCreateDocumentElement() { |
117 did_create_current_document_element_ = true; | 117 did_create_current_document_element_ = true; |
118 extension_dispatcher_->DidCreateDocumentElement( | 118 extension_dispatcher_->DidCreateDocumentElement( |
119 render_frame()->GetWebFrame()); | 119 render_frame()->GetWebFrame()); |
120 } | 120 } |
121 | 121 |
122 void ExtensionFrameHelper::DidCreateNewDocument() { | 122 void ExtensionFrameHelper::DidCreateNewDocument() { |
123 did_create_current_document_element_ = false; | 123 did_create_current_document_element_ = false; |
124 } | 124 } |
125 | 125 |
126 void ExtensionFrameHelper::AfterDidCreateDocumentElement( | |
127 const base::WeakPtr<content::RenderFrame>& render_frame_weak) { | |
128 DCHECK_EQ(render_frame(), render_frame_weak.get()); | |
129 DCHECK(did_create_current_document_element_); | |
130 | |
131 // The JavaScript code can cause re-entrancy. To avoid a deadlock, don't run | |
132 // callbacks that are added during the iteration. | |
133 std::vector<base::Closure> callbacks; | |
134 document_element_created_callbacks_.swap(callbacks); | |
135 for (auto& callback : callbacks) { | |
136 callback.Run(); | |
137 if (!render_frame_weak.get()) | |
138 return; // Frame invalidated by callback. | |
ncarter (slow)
2016/02/11 22:47:32
That also means that |this| was deleted (right?).
robwu
2016/02/11 23:36:51
Yes.
| |
139 } | |
140 } | |
141 | |
142 void ExtensionFrameHelper::ScheduleAfterDidCreateDocumentElement( | |
143 const base::Closure& callback) { | |
144 document_element_created_callbacks_.push_back(callback); | |
145 } | |
146 | |
126 void ExtensionFrameHelper::DidMatchCSS( | 147 void ExtensionFrameHelper::DidMatchCSS( |
127 const blink::WebVector<blink::WebString>& newly_matching_selectors, | 148 const blink::WebVector<blink::WebString>& newly_matching_selectors, |
128 const blink::WebVector<blink::WebString>& stopped_matching_selectors) { | 149 const blink::WebVector<blink::WebString>& stopped_matching_selectors) { |
129 extension_dispatcher_->content_watcher()->DidMatchCSS( | 150 extension_dispatcher_->content_watcher()->DidMatchCSS( |
130 render_frame()->GetWebFrame(), newly_matching_selectors, | 151 render_frame()->GetWebFrame(), newly_matching_selectors, |
131 stopped_matching_selectors); | 152 stopped_matching_selectors); |
132 } | 153 } |
133 | 154 |
134 void ExtensionFrameHelper::DidCreateScriptContext( | 155 void ExtensionFrameHelper::DidCreateScriptContext( |
135 v8::Local<v8::Context> context, | 156 v8::Local<v8::Context> context, |
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228 const std::string& module_name, | 249 const std::string& module_name, |
229 const std::string& function_name, | 250 const std::string& function_name, |
230 const base::ListValue& args, | 251 const base::ListValue& args, |
231 bool user_gesture) { | 252 bool user_gesture) { |
232 extension_dispatcher_->InvokeModuleSystemMethod(render_frame(), extension_id, | 253 extension_dispatcher_->InvokeModuleSystemMethod(render_frame(), extension_id, |
233 module_name, function_name, | 254 module_name, function_name, |
234 args, user_gesture); | 255 args, user_gesture); |
235 } | 256 } |
236 | 257 |
237 } // namespace extensions | 258 } // namespace extensions |
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