15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/renderer/extensions/chrome_v8_context_set.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 89ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/message_loop/message_loop.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/tracked_objects.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/extensions/extension.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/url_constants.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/renderer/extensions/chrome_v8_context.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/renderer/render_thread.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/renderer/render_view.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "extensions/common/constants.h" 17868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "third_party/WebKit/public/platform/WebURL.h" 18868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "third_party/WebKit/public/platform/WebURLRequest.h" 197d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "third_party/WebKit/public/web/WebDocument.h" 207d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "third_party/WebKit/public/web/WebFrame.h" 217d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "third_party/WebKit/public/web/WebView.h" 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "v8/include/v8.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::RenderThread; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace extensions { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ChromeV8ContextSet::ChromeV8ContextSet() { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ChromeV8ContextSet::~ChromeV8ContextSet() { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ChromeV8ContextSet::size() const { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int>(contexts_.size()); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ChromeV8ContextSet::Add(ChromeV8Context* context) { 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (DCHECK_IS_ON()) { 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // It's OK to insert the same context twice, but we should only ever have 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // one ChromeV8Context per v8::Context. 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (ContextSet::iterator iter = contexts_.begin(); iter != contexts_.end(); 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++iter) { 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ChromeV8Context* candidate = *iter; 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (candidate != context) 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(candidate->v8_context() != context->v8_context()); 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) contexts_.insert(context); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ChromeV8ContextSet::Remove(ChromeV8Context* context) { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (contexts_.erase(context)) { 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) context->Invalidate(); 54a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) base::MessageLoop::current()->DeleteSoon(FROM_HERE, context); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)ChromeV8ContextSet::ContextSet ChromeV8ContextSet::GetAll() const { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return contexts_; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ChromeV8Context* ChromeV8ContextSet::GetCurrent() const { 63eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return v8::Context::InContext() ? 64eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch GetByV8Context(v8::Context::GetCurrent()) : NULL; 65eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 66eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 67eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochChromeV8Context* ChromeV8ContextSet::GetCalling() const { 68eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch v8::Local<v8::Context> calling = v8::Context::GetCalling(); 69eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return calling.IsEmpty() ? NULL : GetByV8Context(calling); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ChromeV8Context* ChromeV8ContextSet::GetByV8Context( 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Handle<v8::Context> v8_context) const { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (ContextSet::const_iterator iter = contexts_.begin(); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) iter != contexts_.end(); ++iter) { 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((*iter)->v8_context() == v8_context) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return *iter; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 83868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)void ChromeV8ContextSet::ForEach( 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extension_id, 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::RenderView* render_view, 86868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const base::Callback<void(ChromeV8Context*)>& callback) const { 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We copy the context list, because calling into javascript may modify it 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // out from under us. 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ContextSet contexts = GetAll(); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (ContextSet::iterator it = contexts.begin(); it != contexts.end(); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++it) { 93868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ChromeV8Context* context = *it; 94868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 95868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // For the same reason as above, contexts may become invalid while we run. 96868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!context->is_valid()) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!extension_id.empty()) { 100868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const Extension* extension = context->extension(); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!extension || (extension_id != extension->id())) 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) content::RenderView* context_render_view = context->GetRenderView(); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!context_render_view) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (render_view && render_view != context_render_view) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 112868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) callback.Run(context); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 116c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)ChromeV8ContextSet::ContextSet ChromeV8ContextSet::OnExtensionUnloaded( 117c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const std::string& extension_id) { 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ContextSet contexts = GetAll(); 119c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ContextSet removed; 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Clean up contexts belonging to the unloaded extension. This is done so 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that content scripts (which remain injected into the page) don't continue 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // receiving events and sending messages. 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (ContextSet::iterator it = contexts.begin(); it != contexts.end(); 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++it) { 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if ((*it)->extension() && (*it)->extension()->id() == extension_id) { 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (*it)->DispatchOnUnloadEvent(); 128c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) removed.insert(*it); 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Remove(*it); 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 133c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return removed; 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace extensions 137