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      1 /*
      2  * Copyright (C) 2012 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 #ifndef WebPagePopupImpl_h
     32 #define WebPagePopupImpl_h
     33 
     34 #include "core/page/PagePopup.h"
     35 #include "public/web/WebPagePopup.h"
     36 #include "web/PageWidgetDelegate.h"
     37 #include "wtf/OwnPtr.h"
     38 #include "wtf/RefCounted.h"
     39 
     40 namespace blink {
     41 
     42 class GraphicsLayer;
     43 class Page;
     44 class PagePopupChromeClient;
     45 class PagePopupClient;
     46 class PlatformKeyboardEvent;
     47 class WebLayerTreeView;
     48 class WebLayer;
     49 class WebViewImpl;
     50 
     51 class WebPagePopupImpl FINAL
     52     : public WebPagePopup
     53     , public PageWidgetEventHandler
     54     , public PagePopup
     55     , public RefCounted<WebPagePopupImpl> {
     56     WTF_MAKE_NONCOPYABLE(WebPagePopupImpl);
     57     WTF_MAKE_FAST_ALLOCATED;
     58 
     59 public:
     60     virtual ~WebPagePopupImpl();
     61     bool initialize(WebViewImpl*, PagePopupClient*, const IntRect& originBoundsInRootView);
     62     bool handleKeyEvent(const PlatformKeyboardEvent&);
     63     void closePopup();
     64     WebWidgetClient* widgetClient() const { return m_widgetClient; }
     65     bool hasSamePopupClient(WebPagePopupImpl* other) { return other && m_popupClient == other->m_popupClient; }
     66     virtual void compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback*) OVERRIDE;
     67     virtual WebPoint positionRelativeToOwner() OVERRIDE;
     68 
     69 private:
     70     // WebWidget functions
     71     virtual WebSize size() OVERRIDE;
     72     virtual void beginFrame(const WebBeginFrameArgs&) OVERRIDE;
     73     virtual void layout() OVERRIDE;
     74     virtual void willCloseLayerTreeView() OVERRIDE;
     75     virtual void paint(WebCanvas*, const WebRect&) OVERRIDE;
     76     virtual void resize(const WebSize&) OVERRIDE;
     77     virtual void close() OVERRIDE;
     78     virtual bool handleInputEvent(const WebInputEvent&) OVERRIDE;
     79     virtual void setFocus(bool) OVERRIDE;
     80     virtual bool isPagePopup() const OVERRIDE { return true; }
     81     virtual bool isAcceleratedCompositingActive() const OVERRIDE { return m_isAcceleratedCompositingActive; }
     82 
     83     // PageWidgetEventHandler functions
     84     virtual bool handleKeyEvent(const WebKeyboardEvent&) OVERRIDE;
     85     virtual bool handleCharEvent(const WebKeyboardEvent&) OVERRIDE;
     86     virtual bool handleGestureEvent(const WebGestureEvent&) OVERRIDE;
     87 
     88     // PagePopup function
     89     virtual AXObject* rootAXObject() OVERRIDE;
     90 
     91     explicit WebPagePopupImpl(WebWidgetClient*);
     92     bool initializePage();
     93     void destroyPage();
     94     void setRootGraphicsLayer(GraphicsLayer*);
     95     void setIsAcceleratedCompositingActive(bool enter);
     96 
     97     WebWidgetClient* m_widgetClient;
     98     WebRect m_windowRectInScreen;
     99     WebViewImpl* m_webView;
    100     OwnPtrWillBePersistent<Page> m_page;
    101     OwnPtr<PagePopupChromeClient> m_chromeClient;
    102     PagePopupClient* m_popupClient;
    103     bool m_closing;
    104 
    105     WebLayerTreeView* m_layerTreeView;
    106     WebLayer* m_rootLayer;
    107     GraphicsLayer* m_rootGraphicsLayer;
    108     bool m_isAcceleratedCompositingActive;
    109 
    110     friend class WebPagePopup;
    111     friend class PagePopupChromeClient;
    112 };
    113 
    114 DEFINE_TYPE_CASTS(WebPagePopupImpl, WebWidget, widget, widget->isPagePopup(), widget.isPagePopup());
    115 // WebPagePopupImpl is the only implementation of PagePopup, so no
    116 // further checking required.
    117 DEFINE_TYPE_CASTS(WebPagePopupImpl, PagePopup, popup, true, true);
    118 
    119 } // namespace blink
    120 #endif // WebPagePopupImpl_h
    121