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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_idle_scheduler.h" | 5 #include "chrome/renderer/extensions/user_script_idle_scheduler.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/message_loop.h" | 8 #include "base/message_loop.h" |
9 #include "chrome/common/extensions/extension_error_utils.h" | 9 #include "chrome/common/extensions/extension_error_utils.h" |
10 #include "chrome/common/extensions/extension_messages.h" | 10 #include "chrome/common/extensions/extension_messages.h" |
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100 const ExtensionMsg_ExecuteCode_Params& params) { | 100 const ExtensionMsg_ExecuteCode_Params& params) { |
101 const Extension* extension = extension_dispatcher_->extensions()->GetByID( | 101 const Extension* extension = extension_dispatcher_->extensions()->GetByID( |
102 params.extension_id); | 102 params.extension_id); |
103 content::RenderView* render_view = | 103 content::RenderView* render_view = |
104 content::RenderView::FromWebView(frame_->view()); | 104 content::RenderView::FromWebView(frame_->view()); |
105 | 105 |
106 // Since extension info is sent separately from user script info, they can | 106 // Since extension info is sent separately from user script info, they can |
107 // be out of sync. We just ignore this situation. | 107 // be out of sync. We just ignore this situation. |
108 if (!extension) { | 108 if (!extension) { |
109 render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished( | 109 render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished( |
110 render_view->GetRoutingId(), params.request_id, true, "")); | 110 render_view->GetRoutingID(), params.request_id, true, "")); |
111 return; | 111 return; |
112 } | 112 } |
113 | 113 |
114 std::vector<WebFrame*> frame_vector; | 114 std::vector<WebFrame*> frame_vector; |
115 frame_vector.push_back(frame_); | 115 frame_vector.push_back(frame_); |
116 if (params.all_frames) | 116 if (params.all_frames) |
117 GetAllChildFrames(frame_, &frame_vector); | 117 GetAllChildFrames(frame_, &frame_vector); |
118 | 118 |
119 for (std::vector<WebFrame*>::iterator frame_it = frame_vector.begin(); | 119 for (std::vector<WebFrame*>::iterator frame_it = frame_vector.begin(); |
120 frame_it != frame_vector.end(); ++frame_it) { | 120 frame_it != frame_vector.end(); ++frame_it) { |
121 WebFrame* frame = *frame_it; | 121 WebFrame* frame = *frame_it; |
122 if (params.is_javascript) { | 122 if (params.is_javascript) { |
123 // We recheck access here in the renderer for extra safety against races | 123 // We recheck access here in the renderer for extra safety against races |
124 // with navigation. | 124 // with navigation. |
125 // | 125 // |
126 // But different frames can have different URLs, and the extension might | 126 // But different frames can have different URLs, and the extension might |
127 // only have access to a subset of them. For the top frame, we can | 127 // only have access to a subset of them. For the top frame, we can |
128 // immediately send an error and stop because the browser process | 128 // immediately send an error and stop because the browser process |
129 // considers that an error too. | 129 // considers that an error too. |
130 // | 130 // |
131 // For child frames, we just skip ones the extension doesn't have access | 131 // For child frames, we just skip ones the extension doesn't have access |
132 // to and carry on. | 132 // to and carry on. |
133 if (!extension->CanExecuteScriptOnPage(frame->document().url(), | 133 if (!extension->CanExecuteScriptOnPage(frame->document().url(), |
134 NULL, NULL)) { | 134 NULL, NULL)) { |
135 if (frame->parent()) { | 135 if (frame->parent()) { |
136 continue; | 136 continue; |
137 } else { | 137 } else { |
138 render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished( | 138 render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished( |
139 render_view->GetRoutingId(), params.request_id, false, | 139 render_view->GetRoutingID(), params.request_id, false, |
140 ExtensionErrorUtils::FormatErrorMessage( | 140 ExtensionErrorUtils::FormatErrorMessage( |
141 extension_manifest_errors::kCannotAccessPage, | 141 extension_manifest_errors::kCannotAccessPage, |
142 frame->document().url().spec()))); | 142 frame->document().url().spec()))); |
143 return; | 143 return; |
144 } | 144 } |
145 } | 145 } |
146 | 146 |
147 WebScriptSource source(WebString::fromUTF8(params.code)); | 147 WebScriptSource source(WebString::fromUTF8(params.code)); |
148 if (params.in_main_world) { | 148 if (params.in_main_world) { |
149 frame->executeScript(source); | 149 frame->executeScript(source); |
150 } else { | 150 } else { |
151 std::vector<WebScriptSource> sources; | 151 std::vector<WebScriptSource> sources; |
152 sources.push_back(source); | 152 sources.push_back(source); |
153 frame->executeScriptInIsolatedWorld( | 153 frame->executeScriptInIsolatedWorld( |
154 extension_dispatcher_->user_script_slave()-> | 154 extension_dispatcher_->user_script_slave()-> |
155 GetIsolatedWorldIdForExtension(extension, frame), | 155 GetIsolatedWorldIdForExtension(extension, frame), |
156 &sources.front(), sources.size(), EXTENSION_GROUP_CONTENT_SCRIPTS); | 156 &sources.front(), sources.size(), EXTENSION_GROUP_CONTENT_SCRIPTS); |
157 } | 157 } |
158 } else { | 158 } else { |
159 frame->document().insertUserStyleSheet( | 159 frame->document().insertUserStyleSheet( |
160 WebString::fromUTF8(params.code), | 160 WebString::fromUTF8(params.code), |
161 // Author level is consistent with WebView::addUserStyleSheet. | 161 // Author level is consistent with WebView::addUserStyleSheet. |
162 WebDocument::UserStyleAuthorLevel); | 162 WebDocument::UserStyleAuthorLevel); |
163 } | 163 } |
164 } | 164 } |
165 | 165 |
166 render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished( | 166 render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished( |
167 render_view->GetRoutingId(), params.request_id, true, "")); | 167 render_view->GetRoutingID(), params.request_id, true, "")); |
168 } | 168 } |
169 | 169 |
170 bool UserScriptIdleScheduler::GetAllChildFrames( | 170 bool UserScriptIdleScheduler::GetAllChildFrames( |
171 WebFrame* parent_frame, | 171 WebFrame* parent_frame, |
172 std::vector<WebFrame*>* frames_vector) const { | 172 std::vector<WebFrame*>* frames_vector) const { |
173 if (!parent_frame) | 173 if (!parent_frame) |
174 return false; | 174 return false; |
175 | 175 |
176 for (WebFrame* child_frame = parent_frame->firstChild(); child_frame; | 176 for (WebFrame* child_frame = parent_frame->firstChild(); child_frame; |
177 child_frame = child_frame->nextSibling()) { | 177 child_frame = child_frame->nextSibling()) { |
178 frames_vector->push_back(child_frame); | 178 frames_vector->push_back(child_frame); |
179 GetAllChildFrames(child_frame, frames_vector); | 179 GetAllChildFrames(child_frame, frames_vector); |
180 } | 180 } |
181 return true; | 181 return true; |
182 } | 182 } |
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