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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/frame/FrameHost.h"
     33 
     34 #include "core/frame/EventHandlerRegistry.h"
     35 #include "core/page/Chrome.h"
     36 #include "core/page/ChromeClient.h"
     37 #include "core/page/Page.h"
     38 
     39 namespace blink {
     40 
     41 PassOwnPtrWillBeRawPtr<FrameHost> FrameHost::create(Page& page)
     42 {
     43     return adoptPtrWillBeNoop(new FrameHost(page));
     44 }
     45 
     46 FrameHost::FrameHost(Page& page)
     47     : m_page(&page)
     48     , m_pinchViewport(adoptPtr(new PinchViewport(*this)))
     49     , m_eventHandlerRegistry(adoptPtrWillBeNoop(new EventHandlerRegistry(*this)))
     50 {
     51 }
     52 
     53 // Explicitly in the .cpp to avoid default constructor in .h
     54 FrameHost::~FrameHost()
     55 {
     56 }
     57 
     58 Settings& FrameHost::settings() const
     59 {
     60     return m_page->settings();
     61 }
     62 
     63 Chrome& FrameHost::chrome() const
     64 {
     65     return m_page->chrome();
     66 }
     67 
     68 UseCounter& FrameHost::useCounter() const
     69 {
     70     return m_page->useCounter();
     71 }
     72 
     73 float FrameHost::deviceScaleFactor() const
     74 {
     75     return m_page->deviceScaleFactor();
     76 }
     77 
     78 PinchViewport& FrameHost::pinchViewport() const
     79 {
     80     return *m_pinchViewport;
     81 }
     82 
     83 EventHandlerRegistry& FrameHost::eventHandlerRegistry() const
     84 {
     85     return *m_eventHandlerRegistry;
     86 }
     87 
     88 void FrameHost::trace(Visitor* visitor)
     89 {
     90     visitor->trace(m_page);
     91     visitor->trace(m_eventHandlerRegistry);
     92 }
     93 
     94 }
     95