| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "V8BindingState.h" |
| |
| #include "Frame.h" |
| #include "ScriptController.h" |
| #include "V8Proxy.h" |
| #include <wtf/StdLibExtras.h> |
| |
| namespace WebCore { |
| |
| State<V8Binding>* State<V8Binding>::Only() |
| { |
| DEFINE_STATIC_LOCAL(State, globalV8BindingState, ()); |
| return &globalV8BindingState; |
| } |
| |
| DOMWindow* State<V8Binding>::activeWindow() |
| { |
| v8::Local<v8::Context> activeContext = v8::Context::GetCalling(); |
| if (activeContext.IsEmpty()) { |
| // There is a single activation record on the stack, so that must |
| // be the activeContext. |
| activeContext = v8::Context::GetCurrent(); |
| } |
| return V8Proxy::retrieveWindow(activeContext); |
| } |
| |
| DOMWindow* State<V8Binding>::firstWindow() |
| { |
| return V8Proxy::retrieveWindow(v8::Context::GetEntered()); |
| } |
| |
| Frame* State<V8Binding>::activeFrame() |
| { |
| Frame* frame = V8Proxy::retrieveFrameForCallingContext(); |
| if (!frame) { |
| // Unfortunately, when processing script from a plug-in, we might not |
| // have a calling context. In those cases, we fall back to the |
| // entered context for security checks. |
| // FIXME: We need a better API for retrieving frames that abstracts |
| // away this concern. |
| frame = V8Proxy::retrieveFrameForEnteredContext(); |
| } |
| return frame; |
| } |
| |
| Frame* State<V8Binding>::firstFrame() |
| { |
| return V8Proxy::retrieveFrameForEnteredContext(); |
| } |
| |
| void State<V8Binding>::immediatelyReportUnsafeAccessTo(Frame* target) |
| { |
| V8Proxy::reportUnsafeAccessTo(target); |
| } |
| |
| bool State<V8Binding>::processingUserGesture() |
| { |
| return ScriptController::processingUserGesture(); |
| } |
| |
| bool State<V8Binding>::allowsAccessFromFrame(Frame* frame) |
| { |
| return ScriptController::isSafeScript(frame); |
| } |
| |
| } // namespace WebCore |