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      1 /*
      2  * Copyright (C) 2010 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "StdAfx.h"
     27 #include "BrowserView.h"
     28 
     29 #include "BrowserWindow.h"
     30 #include <WebKit2/WKContextPrivate.h>
     31 #include <WebKit2/WKURLCF.h>
     32 
     33 static const unsigned short HIGH_BIT_MASK_SHORT = 0x8000;
     34 
     35 BrowserView::BrowserView()
     36     : m_webView(0)
     37 {
     38 }
     39 
     40 // UI Client Callbacks
     41 
     42 static WKPageRef createNewPage(WKPageRef page, WKDictionaryRef features, WKEventModifiers modifiers, WKEventMouseButton mouseButton, const void* clientInfo)
     43 {
     44     BrowserWindow* browserWindow = BrowserWindow::create();
     45     browserWindow->createWindow(0, 0, 800, 600);
     46 
     47     return WKViewGetPage(browserWindow->view().webView());
     48 }
     49 
     50 static void showPage(WKPageRef page, const void *clientInfo)
     51 {
     52     static_cast<BrowserWindow*>(const_cast<void*>(clientInfo))->showWindow();
     53 }
     54 
     55 static void closePage(WKPageRef page, const void *clientInfo)
     56 {
     57 }
     58 
     59 static void runJavaScriptAlert(WKPageRef page, WKStringRef alertText, WKFrameRef frame, const void* clientInfo)
     60 {
     61 }
     62 
     63 static bool runJavaScriptConfirm(WKPageRef page, WKStringRef message, WKFrameRef frame, const void* clientInfo)
     64 {
     65     return false;
     66 }
     67 
     68 static WKStringRef runJavaScriptPrompt(WKPageRef page, WKStringRef message, WKStringRef defaultValue, WKFrameRef frame, const void* clientInfo)
     69 {
     70     return 0;
     71 }
     72 
     73 static void setStatusText(WKPageRef page, WKStringRef text, const void* clientInfo)
     74 {
     75 }
     76 
     77 static void mouseDidMoveOverElement(WKPageRef page, WKEventModifiers modifiers, WKTypeRef userData, const void *clientInfo)
     78 {
     79 }
     80 
     81 void BrowserView::create(RECT webViewRect, BrowserWindow* parentWindow)
     82 {
     83     assert(!m_webView);
     84 
     85     bool isShiftKeyDown = ::GetKeyState(VK_SHIFT) & HIGH_BIT_MASK_SHORT;
     86 
     87     WKContextRef context;
     88     if (isShiftKeyDown)
     89         context = WKContextGetSharedThreadContext();
     90     else
     91         context = WKContextGetSharedProcessContext();
     92 
     93     m_webView = WKViewCreate(webViewRect, context, 0, parentWindow->window());
     94 
     95     WKPageUIClient uiClient = {
     96         0,              /* version */
     97         parentWindow,   /* clientInfo */
     98         createNewPage,
     99         showPage,
    100         closePage,
    101         0,          /* takeFocus */
    102         0,          /* focus */
    103         0,          /* unfocus */
    104         runJavaScriptAlert,
    105         runJavaScriptConfirm,
    106         runJavaScriptPrompt,
    107         setStatusText,
    108         mouseDidMoveOverElement,
    109         0,          /* didNotHandleKeyEvent */
    110         0,          /* toolbarsAreVisible */
    111         0,          /* setToolbarsAreVisible */
    112         0,          /* menuBarIsVisible */
    113         0,          /* setMenuBarIsVisible */
    114         0,          /* statusBarIsVisible */
    115         0,          /* setStatusBarIsVisible */
    116         0,          /* isResizable */
    117         0,          /* setIsResizable */
    118         0,          /* getWindowFrame */
    119         0,          /* setWindowFrame */
    120         0,          /* runBeforeUnloadConfirmPanel */
    121         0,          /* didDraw */
    122         0,          /* pageDidScroll */
    123         0,          /* exceededDatabaseQuota */
    124         0,          /* runOpenPanel */
    125         0,          /* decidePolicyForGeolocationPermissionRequest */
    126     };
    127 
    128     WKPageSetPageUIClient(WKViewGetPage(m_webView), &uiClient);
    129 
    130     WKViewSetIsInWindow(m_webView, true);
    131 }
    132 
    133 void BrowserView::setFrame(RECT rect)
    134 {
    135     HWND webViewWindow = WKViewGetWindow(m_webView);
    136     ::SetWindowPos(webViewWindow, 0, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOCOPYBITS);
    137 }
    138 
    139 void BrowserView::goToURL(const std::wstring& urlString)
    140 {
    141     CFStringRef string = CFStringCreateWithCharacters(0, (const UniChar*)urlString.data(), urlString.size());
    142     CFURLRef cfURL = CFURLCreateWithString(0, string, 0);
    143     CFRelease(string);
    144 
    145     WKURLRef url = WKURLCreateWithCFURL(cfURL);
    146     CFRelease(cfURL);
    147 
    148     WKPageRef page = WKViewGetPage(m_webView);
    149     WKPageLoadURL(page, url);
    150     WKRelease(url);
    151 }
    152