text: /*
   * Copyright (C) 2010 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 "web/WebDevToolsFrontendImpl.h"
  
  #include "bindings/core/v8/ScriptController.h"
  #include "bindings/core/v8/V8DevToolsHost.h"
  #include "core/frame/FrameHost.h"
  #include "core/frame/LocalFrame.h"
  #include "core/inspector/DevToolsHost.h"
  #include "public/platform/WebSecurityOrigin.h"
  #include "public/platform/WebString.h"
  #include "public/web/WebDevToolsFrontendClient.h"
  #include "web/WebLocalFrameImpl.h"
  #include "web/WebViewImpl.h"
  
  namespace blink {
  
  WebDevToolsFrontend* WebDevToolsFrontend::create(
      WebLocalFrame* frame,
      WebDevToolsFrontendClient* client) {
    return new WebDevToolsFrontendImpl(toWebLocalFrameImpl(frame), client);
  }
  
  WebDevToolsFrontendImpl::WebDevToolsFrontendImpl(
      WebLocalFrameImpl* webFrame,
      WebDevToolsFrontendClient* client)
      : m_webFrame(webFrame), m_client(client) {
    m_webFrame->setDevToolsFrontend(this);
    m_webFrame->frame()->host()->setDefaultPageScaleLimits(1.f, 1.f);
  }
  
  WebDevToolsFrontendImpl::~WebDevToolsFrontendImpl() {
    if (m_devtoolsHost)
      m_devtoolsHost->disconnectClient();
  }
  
  void WebDevToolsFrontendImpl::didClearWindowObject(WebLocalFrameImpl* frame) {
    if (m_webFrame == frame) {
      v8::Isolate* isolate = v8::Isolate::GetCurrent();
      // Use higher limit for DevTools isolate so that it does not OOM when
      // profiling large heaps.
      isolate->IncreaseHeapLimitForDebugging();
      ScriptState* scriptState = ScriptState::forMainWorld(m_webFrame->frame());
      DCHECK(scriptState);
      ScriptState::Scope scope(scriptState);
  
      if (m_devtoolsHost)
        m_devtoolsHost->disconnectClient();
      m_devtoolsHost = DevToolsHost::create(this, m_webFrame->frame());
      v8::Local<v8::Object> global = scriptState->context()->Global();
      v8::Local<v8::Value> devtoolsHostObj =
          ToV8(m_devtoolsHost.get(), global, scriptState->isolate());
      DCHECK(!devtoolsHostObj.IsEmpty());
      global->Set(v8AtomicString(isolate, "DevToolsHost"), devtoolsHostObj);
    }
  
    if (m_injectedScriptForOrigin.isEmpty())
      return;
  
    String origin = frame->getSecurityOrigin().toString();
    String script = m_injectedScriptForOrigin.get(origin);
    if (script.isEmpty())
      return;
    static int s_lastScriptId = 0;
    StringBuilder scriptWithId;
    scriptWithId.append(script);
    scriptWithId.append('(');
    scriptWithId.appendNumber(++s_lastScriptId);
    scriptWithId.append(')');
    frame->frame()->script().executeScriptInMainWorld(scriptWithId.toString());
  }
  
  void WebDevToolsFrontendImpl::sendMessageToEmbedder(const String& message) {
    if (m_client)
      m_client->sendMessageToEmbedder(message);
  }
  
  bool WebDevToolsFrontendImpl::isUnderTest() {
    return m_client ? m_client->isUnderTest() : false;
  }
  
  void WebDevToolsFrontendImpl::showContextMenu(
      LocalFrame* targetFrame,
      float x,
      float y,
      ContextMenuProvider* menuProvider) {
    WebLocalFrameImpl::fromFrame(targetFrame)
        ->viewImpl()
        ->showContextMenuAtPoint(x, y, menuProvider);
  }
  
  void WebDevToolsFrontendImpl::setInjectedScriptForOrigin(const String& origin,
                                                           const String& source) {
    m_injectedScriptForOrigin.set(origin, source);
  }
  
  }  // namespace blink
  