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IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef PopupMenuChromium_h #define PopupMenuChromium_h #include "config.h" #include "FramelessScrollView.h" #include "IntRect.h" #include "PlatformString.h" #include "PopupMenu.h" #include "PopupMenuPrivate.h" #include "PopupMenuStyle.h" namespace WebCore { class ChromeClientChromium; class FrameView; class PopupListBox; class PopupMenuClient; // A container for the data for each menu item (e.g. represented by <option> // or <optgroup> in a <select> widget) and is used by PopupListBox. struct PopupItem { enum Type { TypeOption, TypeGroup, TypeSeparator }; PopupItem(const String& label, Type type) : label(label) , type(type) , yOffset(0) { } String label; Type type; int yOffset; // y offset of this item, relative to the top of the popup. TextDirection textDirection; bool hasTextDirectionOverride; bool enabled; }; // FIXME: Our FramelessScrollView classes should probably implement HostWindow! // The PopupContainer 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). struct PopupContainerSettings { // Whether the PopupMenuClient should be told to change its text when a // new item is selected by using the arrow keys. bool setTextOnIndexChange; // Whether the selection should be accepted when the popup menu is // closed (through ESC being pressed or the focus going away). // Note that when TAB is pressed, the selection is always accepted // regardless of this setting. bool acceptOnAbandon; // Whether we should move the selection to the first/last item when // the user presses down/up arrow keys and the last/first item is // selected. bool loopSelectionNavigation; // Whether we should restrict the width of the PopupListBox or not. // Autocomplete popups are restricted, combo-boxes (select tags) aren't. bool restrictWidthOfListBox; }; class PopupContainer : public FramelessScrollView { public: enum PopupType { Select, // HTML select popup. Suggestion, // Autocomplete/autofill popup. }; static PassRefPtr<PopupContainer> create(PopupMenuClient*, PopupType, const PopupContainerSettings&); // Whether a key event should be sent to this popup. virtual bool isInterestedInEventForKey(int keyCode); // FramelessScrollView virtual void paint(GraphicsContext*, const IntRect&); virtual void hide(); virtual bool handleMouseDownEvent(const PlatformMouseEvent&); virtual bool handleMouseMoveEvent(const PlatformMouseEvent&); virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&); virtual bool handleWheelEvent(const PlatformWheelEvent&); virtual bool handleKeyEvent(const PlatformKeyboardEvent&); // PopupContainer methods // Show the popup void showPopup(FrameView*); // 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. This method is used for // displaying auto complete popup menus on Mac Chromium, and for all // popups on other platforms. void showInRect(const IntRect&, FrameView*, int index); // Hides the popup. void hidePopup(); // The popup was hidden. void notifyPopupHidden(); // Compute size of widget and children. Return right offset for RTL. int layoutAndGetRightOffset(); PopupListBox* listBox() const { return m_listBox.get(); } // Gets the index of the item that the user is currently moused-over or // has selected with the keyboard up/down arrows. int selectedIndex() const; // Refresh the popup values from the PopupMenuClient. void refresh(const IntRect& targetControlRect); // The menu per-item data. const WTF::Vector<PopupItem*>& popupData() const; // The height of a row in the menu. int menuItemHeight() const; // The size of the font being used. int menuItemFontSize() const; // The style of the menu being used. PopupMenuStyle menuStyle() const; PopupType popupType() const { return m_popupType; } private: friend class WTF::RefCounted<PopupContainer>; PopupContainer(PopupMenuClient*, PopupType popupType, const PopupContainerSettings&); ~PopupContainer(); // Paint the border. void paintBorder(GraphicsContext*, const IntRect&); // Layout and calculate popup widget size and location and returns it as IntRect. IntRect layoutAndCalculateWidgetRect(int targetControlHeight, const IntPoint& popupInitialCoordinate); // Returns the ChromeClient of the page this popup is associated with. ChromeClientChromium* chromeClientChromium(); RefPtr<PopupListBox> m_listBox; RefPtr<FrameView> m_frameView; PopupContainerSettings m_settings; PopupType m_popupType; // Whether the popup is currently open. bool m_popupOpen; }; class PopupMenuChromium : public PopupMenu { public: PopupMenuChromium(PopupMenuClient*); ~PopupMenuChromium(); virtual void show(const IntRect&, FrameView*, int index); virtual void hide(); virtual void updateFromElement(); virtual void disconnectClient(); private: PopupMenuClient* client() const { return m_popupClient; } PopupMenuClient* m_popupClient; PopupMenuPrivate p; }; } // namespace WebCore #endif