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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/renderer/extensions/chrome_v8_context_set.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/message_loop/message_loop.h" | |
| 9 #include "base/tracked_objects.h" | |
| 10 #include "base/values.h" | |
| 11 #include "chrome/common/url_constants.h" | |
| 12 #include "chrome/renderer/extensions/chrome_v8_context.h" | |
| 13 #include "content/public/renderer/render_thread.h" | |
| 14 #include "content/public/renderer/render_view.h" | |
| 15 #include "extensions/common/constants.h" | |
| 16 #include "extensions/common/extension.h" | |
| 17 #include "third_party/WebKit/public/platform/WebURL.h" | |
| 18 #include "third_party/WebKit/public/platform/WebURLRequest.h" | |
| 19 #include "third_party/WebKit/public/web/WebDocument.h" | |
| 20 #include "third_party/WebKit/public/web/WebFrame.h" | |
| 21 #include "third_party/WebKit/public/web/WebView.h" | |
| 22 #include "v8/include/v8.h" | |
| 23 | |
| 24 using content::RenderThread; | |
| 25 | |
| 26 namespace extensions { | |
| 27 | |
| 28 ChromeV8ContextSet::ChromeV8ContextSet() { | |
| 29 } | |
| 30 ChromeV8ContextSet::~ChromeV8ContextSet() { | |
| 31 } | |
| 32 | |
| 33 int ChromeV8ContextSet::size() const { | |
| 34 return static_cast<int>(contexts_.size()); | |
| 35 } | |
| 36 | |
| 37 void ChromeV8ContextSet::Add(ChromeV8Context* context) { | |
| 38 #if DCHECK_IS_ON | |
| 39 // It's OK to insert the same context twice, but we should only ever have | |
| 40 // one ChromeV8Context per v8::Context. | |
| 41 for (ContextSet::iterator iter = contexts_.begin(); iter != contexts_.end(); | |
| 42 ++iter) { | |
| 43 ChromeV8Context* candidate = *iter; | |
| 44 if (candidate != context) | |
| 45 DCHECK(candidate->v8_context() != context->v8_context()); | |
| 46 } | |
| 47 #endif | |
| 48 contexts_.insert(context); | |
| 49 } | |
| 50 | |
| 51 void ChromeV8ContextSet::Remove(ChromeV8Context* context) { | |
| 52 if (contexts_.erase(context)) { | |
| 53 context->Invalidate(); | |
| 54 base::MessageLoop::current()->DeleteSoon(FROM_HERE, context); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 ChromeV8ContextSet::ContextSet ChromeV8ContextSet::GetAll() const { | |
| 59 return contexts_; | |
| 60 } | |
| 61 | |
| 62 ChromeV8Context* ChromeV8ContextSet::GetCurrent() const { | |
| 63 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 64 return isolate->InContext() ? GetByV8Context(isolate->GetCurrentContext()) | |
| 65 : NULL; | |
| 66 } | |
| 67 | |
| 68 ChromeV8Context* ChromeV8ContextSet::GetCalling() const { | |
| 69 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 70 v8::Local<v8::Context> calling = isolate->GetCallingContext(); | |
| 71 return calling.IsEmpty() ? NULL : GetByV8Context(calling); | |
| 72 } | |
| 73 | |
| 74 ChromeV8Context* ChromeV8ContextSet::GetByV8Context( | |
| 75 v8::Handle<v8::Context> v8_context) const { | |
| 76 for (ContextSet::const_iterator iter = contexts_.begin(); | |
| 77 iter != contexts_.end(); ++iter) { | |
| 78 if ((*iter)->v8_context() == v8_context) | |
| 79 return *iter; | |
| 80 } | |
| 81 | |
| 82 return NULL; | |
| 83 } | |
| 84 | |
| 85 void ChromeV8ContextSet::ForEach( | |
| 86 const std::string& extension_id, | |
| 87 content::RenderView* render_view, | |
| 88 const base::Callback<void(ChromeV8Context*)>& callback) const { | |
| 89 // We copy the context list, because calling into javascript may modify it | |
| 90 // out from under us. | |
| 91 ContextSet contexts = GetAll(); | |
| 92 | |
| 93 for (ContextSet::iterator it = contexts.begin(); it != contexts.end(); | |
| 94 ++it) { | |
| 95 ChromeV8Context* context = *it; | |
| 96 | |
| 97 // For the same reason as above, contexts may become invalid while we run. | |
| 98 if (!context->is_valid()) | |
| 99 continue; | |
| 100 | |
| 101 if (!extension_id.empty()) { | |
| 102 const Extension* extension = context->extension(); | |
| 103 if (!extension || (extension_id != extension->id())) | |
| 104 continue; | |
| 105 } | |
| 106 | |
| 107 content::RenderView* context_render_view = context->GetRenderView(); | |
| 108 if (!context_render_view) | |
| 109 continue; | |
| 110 | |
| 111 if (render_view && render_view != context_render_view) | |
| 112 continue; | |
| 113 | |
| 114 callback.Run(context); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 ChromeV8ContextSet::ContextSet ChromeV8ContextSet::OnExtensionUnloaded( | |
| 119 const std::string& extension_id) { | |
| 120 ContextSet contexts = GetAll(); | |
| 121 ContextSet removed; | |
| 122 | |
| 123 // Clean up contexts belonging to the unloaded extension. This is done so | |
| 124 // that content scripts (which remain injected into the page) don't continue | |
| 125 // receiving events and sending messages. | |
| 126 for (ContextSet::iterator it = contexts.begin(); it != contexts.end(); | |
| 127 ++it) { | |
| 128 if ((*it)->extension() && (*it)->extension()->id() == extension_id) { | |
| 129 (*it)->DispatchOnUnloadEvent(); | |
| 130 removed.insert(*it); | |
| 131 Remove(*it); | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 return removed; | |
| 136 } | |
| 137 | |
| 138 } // namespace extensions | |
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Chromium Code Reviews
Issue 240603003:
Remove ChromeV8Extension & most of ChromeV8Context (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src