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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 "PageWidgetDelegate.h"
     35 #include "WebPagePopup.h"
     36 #include "core/page/PagePopup.h"
     37 #include "wtf/OwnPtr.h"
     38 #include "wtf/RefCounted.h"
     39 
     40 namespace WebCore {
     41 class Page;
     42 class PagePopupClient;
     43 class PlatformKeyboardEvent;
     44 }
     45 
     46 namespace blink {
     47 
     48 class PagePopupChromeClient;
     49 class WebViewImpl;
     50 
     51 class WebPagePopupImpl : public WebPagePopup,
     52                          public PageWidgetEventHandler,
     53                          public WebCore::PagePopup,
     54                          public RefCounted<WebPagePopupImpl> {
     55     WTF_MAKE_NONCOPYABLE(WebPagePopupImpl);
     56     WTF_MAKE_FAST_ALLOCATED;
     57 
     58 public:
     59     virtual ~WebPagePopupImpl();
     60     bool initialize(WebViewImpl*, WebCore::PagePopupClient*, const WebCore::IntRect& originBoundsInRootView);
     61     bool handleKeyEvent(const WebCore::PlatformKeyboardEvent&);
     62     void closePopup();
     63     WebWidgetClient* widgetClient() const { return m_widgetClient; }
     64     bool hasSamePopupClient(WebPagePopupImpl* other) { return other && m_popupClient == other->m_popupClient; }
     65 
     66 private:
     67     // WebWidget functions
     68     virtual WebSize size() OVERRIDE;
     69     virtual void animate(double) OVERRIDE;
     70     virtual void layout() OVERRIDE;
     71     virtual void paint(WebCanvas*, const WebRect&, PaintOptions = ReadbackFromCompositorIfAvailable) OVERRIDE;
     72     virtual void resize(const WebSize&) OVERRIDE;
     73     virtual void close() OVERRIDE;
     74     virtual bool handleInputEvent(const WebInputEvent&) OVERRIDE;
     75     virtual void setFocus(bool) OVERRIDE;
     76     virtual bool isPagePopup() const OVERRIDE { return true; }
     77 
     78     // PageWidgetEventHandler functions
     79     virtual bool handleKeyEvent(const WebKeyboardEvent&) OVERRIDE;
     80     virtual bool handleCharEvent(const WebKeyboardEvent&) OVERRIDE;
     81     virtual bool handleGestureEvent(const WebGestureEvent&) OVERRIDE;
     82 
     83     explicit WebPagePopupImpl(WebWidgetClient*);
     84     bool initializePage();
     85     void destroyPage();
     86 
     87     WebWidgetClient* m_widgetClient;
     88     WebRect m_windowRectInScreen;
     89     WebViewImpl* m_webView;
     90     OwnPtr<WebCore::Page> m_page;
     91     OwnPtr<PagePopupChromeClient> m_chromeClient;
     92     WebCore::PagePopupClient* m_popupClient;
     93     bool m_closing;
     94 
     95     friend class WebPagePopup;
     96     friend class PagePopupChromeClient;
     97 };
     98 
     99 inline WebPagePopupImpl* toWebPagePopupImpl(WebWidget* widget)
    100 {
    101     ASSERT_WITH_SECURITY_IMPLICATION(!widget || widget->isPagePopup());
    102     return static_cast<WebPagePopupImpl*>(widget);
    103 }
    104 
    105 inline WebPagePopupImpl* toWebPagePopupImpl(WebCore::PagePopup* popup)
    106 {
    107     // WebPagePopupImpl is the only implementation of WebCore::PagePopup, so
    108     // no further checking required.
    109     return static_cast<WebPagePopupImpl*>(popup);
    110 }
    111 
    112 } // namespace blink
    113 #endif // WebPagePopupImpl_h
    114