Implementation of the UI part of the autofill

webkit/port/platform/chromium/PopupMenuChromium.h

+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PopupMenuChromium_h
+#define PopupMenuChromium_h
+
+#pragma warning(push, 0)
+#include "PopupMenuClient.h"
+
+#include "FramelessScrollView.h"
+#include "IntRect.h"
+#pragma warning(pop)
+
+
+namespace WebCore {
+    
+class PopupListBox;
+
+// TODO(darin): Our FramelessScrollView classes need to implement HostWindow!
+
+// This class holds a PopupListBox (see cpp file).  Its sole purpose is to be
+// able to draw a border around its child.  All its paint/event handling is just
+// forwarded to the child listBox (with the appropriate transforms).
+// NOTE: this class is exposed so it can be instantiated direcly for the
+// autofill popup.  We cannot use the Popup class directly in that case as the
+// autofill popup should not be focused when shown and we want to forward the
+// key events to it (through handleKeyEvent).
+
+class PopupContainer : public FramelessScrollView, public RefCounted<PopupContainer>  {
+public:
+    static PassRefPtr<PopupContainer> create(PopupMenuClient* client,
+                                             bool focusOnShow);
+
+    // Whether a key event should be sent to this popup.
+    virtual bool isInterestedInEventForKey(int key_code);
+
+    // FramelessScrollView
+    virtual void paint(GraphicsContext* gc, const IntRect& rect);
+    virtual void hide();
+    virtual bool handleMouseDownEvent(const PlatformMouseEvent& event);
+    virtual bool handleMouseMoveEvent(const PlatformMouseEvent& event);
+    virtual bool handleMouseReleaseEvent(const PlatformMouseEvent& event);
+    virtual bool handleWheelEvent(const PlatformWheelEvent& event);
+    virtual bool handleKeyEvent(const PlatformKeyboardEvent& event);
+
+    // PopupContainer methods
+
+    // Show the popup
+    void showPopup(FrameView* view);
+
+    // Show the popup in the specified rect for the specified frame.
+    // Note: this code was somehow arbitrarily factored-out of the Popup class
+    // so WebViewImpl can create a PopupContainer.
+    void show(const IntRect& r, FrameView* v, int index);
+
+    // Hide the popup.  Do not call this directly: use client->hidePopup().
+    void hidePopup();
+
+    // Compute size of widget and children.
+    void layout();
+
+    PopupListBox* listBox() const { return m_listBox.get(); }
+
+private:
+    friend class WTF::RefCounted<PopupContainer>;
+
+    PopupContainer(PopupMenuClient* client, bool focusOnShow);
+    ~PopupContainer();
+
+    // Paint the border.
+    void paintBorder(GraphicsContext* gc, const IntRect& rect);
+
+    RefPtr<PopupListBox> m_listBox;
+
+    // Whether the window showing this popup should be focused when shown.
+    bool m_focusOnShow;
+};
+
+}
+
+#endif // PopupMenuChromium_h