third_party/WebKit/Source/web/WebPagePopupImpl.h

   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 class LocalDOMWindow;
  51
  52 class WebPagePopupImpl final
  53     : public WebPagePopup
  54     , public PageWidgetEventHandler
  55     , public PagePopup
  56     , public RefCounted<WebPagePopupImpl> {
  57     WTF_MAKE_NONCOPYABLE(WebPagePopupImpl);
  58     WTF_MAKE_FAST_ALLOCATED(WebPagePopupImpl);
  59
  60 public:
  61     ~WebPagePopupImpl() override;
  62     bool initialize(WebViewImpl*, PagePopupClient*);
  63     bool handleKeyEvent(const PlatformKeyboardEvent&);
  64     void closePopup();
  65     WebWidgetClient* widgetClient() const { return m_widgetClient; }
  66     bool hasSamePopupClient(WebPagePopupImpl* other) { return other && m_popupClient == other->m_popupClient; }
  67     LocalDOMWindow* window();
  68     void layoutAndPaintAsync(WebLayoutAndPaintAsyncCallback*) override;
  69     void compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback*) override;
  70     WebPoint positionRelativeToOwner() override;
  71     void postMessage(const String& message) override;
  72     void cancel();
  73
  74 private:
  75     // WebWidget functions
  76     WebSize size() override;
  77     void beginFrame(const WebBeginFrameArgs&) override;
  78     void layout() override;
  79     void willCloseLayerTreeView() override;
  80     void paint(WebCanvas*, const WebRect&) override;
  81     void resize(const WebSize&) override;
  82     void close() override;
  83     bool handleInputEvent(const WebInputEvent&) override;
  84     void setFocus(bool) override;
  85     bool isPagePopup() const override { return true; }
  86     bool isAcceleratedCompositingActive() const override { return m_isAcceleratedCompositingActive; }
  87
  88     // PageWidgetEventHandler functions
  89     bool handleKeyEvent(const WebKeyboardEvent&) override;
  90     bool handleCharEvent(const WebKeyboardEvent&) override;
  91     bool handleGestureEvent(const WebGestureEvent&) override;
  92     void handleMouseDown(LocalFrame& mainFrame, const WebMouseEvent&) override;
  93     bool handleMouseWheel(LocalFrame& mainFrame, const WebMouseWheelEvent&) override;
  94
  95     bool isMouseEventInWindow(const WebMouseEvent&);
  96     bool isGestureEventInWindow(const WebGestureEvent&);
  97
  98     // PagePopup function
  99     AXObject* rootAXObject() override;
 100     void setWindowRect(const IntRect&) override;
 101
 102     explicit WebPagePopupImpl(WebWidgetClient*);
 103     bool initializePage();
 104     void destroyPage();
 105     void setRootGraphicsLayer(GraphicsLayer*);
 106     void setIsAcceleratedCompositingActive(bool enter);
 107
 108     WebWidgetClient* m_widgetClient;
 109     WebRect m_windowRectInScreen;
 110     WebViewImpl* m_webView;
 111     OwnPtrWillBePersistent<Page> m_page;
 112     OwnPtrWillBePersistent<PagePopupChromeClient> m_chromeClient;
 113     PagePopupClient* m_popupClient;
 114     bool m_closing;
 115
 116     WebLayerTreeView* m_layerTreeView;
 117     WebLayer* m_rootLayer;
 118     GraphicsLayer* m_rootGraphicsLayer;
 119     bool m_isAcceleratedCompositingActive;
 120
 121     friend class WebPagePopup;
 122     friend class PagePopupChromeClient;
 123 };
 124
 125 DEFINE_TYPE_CASTS(WebPagePopupImpl, WebWidget, widget, widget->isPagePopup(), widget.isPagePopup());
 126 // WebPagePopupImpl is the only implementation of PagePopup, so no
 127 // further checking required.
 128 DEFINE_TYPE_CASTS(WebPagePopupImpl, PagePopup, popup, true, true);
 129
 130 } // namespace blink
 131 #endif // WebPagePopupImpl_h