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      1 /*
      2  * Copyright (C) 2007 Kevin Ollivier  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 COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  *
     25  * This class provides a default new window implementation for wxWebView clients
     26  * who don't want/need to roll their own browser frame UI.
     27  */
     28 
     29 #include "config.h"
     30 
     31 #include "wx/wxprec.h"
     32 #ifndef WX_PRECOMP
     33     #include "wx/wx.h"
     34 #endif
     35 
     36 #include "wx/artprov.h"
     37 
     38 #include "WebBrowserShell.h"
     39 #include "WebFrame.h"
     40 #include "WebView.h"
     41 #include "WebViewPrivate.h"
     42 
     43 wxPageSourceViewFrame::wxPageSourceViewFrame(const wxString& source)
     44         : wxFrame(NULL, wxID_ANY, _("Page Source View"), wxDefaultPosition, wxSize(600, 500))
     45 {
     46     wxTextCtrl* control = new wxTextCtrl(this, -1, source, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE);
     47 }
     48 
     49 enum {
     50     ID_LOADFILE = wxID_HIGHEST + 1,
     51     ID_TEXTCTRL = wxID_HIGHEST + 2,
     52     ID_BACK = wxID_HIGHEST + 3,
     53     ID_FORWARD = wxID_HIGHEST + 4,
     54     ID_TOGGLE_BEFORE_LOAD = wxID_HIGHEST + 5,
     55     ID_MAKE_TEXT_LARGER = wxID_HIGHEST + 6,
     56     ID_MAKE_TEXT_SMALLER = wxID_HIGHEST + 7,
     57     ID_STOP = wxID_HIGHEST + 8,
     58     ID_RELOAD = wxID_HIGHEST + 9,
     59     ID_GET_SOURCE = wxID_HIGHEST + 10,
     60     ID_SET_SOURCE = wxID_HIGHEST + 11,
     61     ID_SEARCHCTRL = wxID_HIGHEST + 12,
     62     ID_LOADURL = wxID_HIGHEST + 13,
     63     ID_NEW_WINDOW = wxID_HIGHEST + 14,
     64     ID_BROWSE = wxID_HIGHEST + 15,
     65     ID_EDIT = wxID_HIGHEST + 16,
     66     ID_RUN_SCRIPT = wxID_HIGHEST + 17,
     67     ID_WEBVIEW = wxID_HIGHEST + 18,
     68     ID_EDIT_COMMAND = wxID_HIGHEST + 19,
     69     ID_GET_EDIT_COMMAND_STATE = wxID_HIGHEST + 20
     70 };
     71 
     72 BEGIN_EVENT_TABLE(wxWebBrowserShell, wxFrame)
     73     EVT_MENU(wxID_CUT, wxWebBrowserShell::OnCut)
     74     EVT_MENU(wxID_COPY, wxWebBrowserShell::OnCopy)
     75     EVT_MENU(wxID_PASTE, wxWebBrowserShell::OnPaste)
     76     EVT_MENU(wxID_EXIT,  wxWebBrowserShell::OnQuit)
     77     EVT_MENU(wxID_ABOUT, wxWebBrowserShell::OnAbout)
     78     EVT_MENU(ID_LOADFILE, wxWebBrowserShell::OnLoadFile)
     79     EVT_TEXT_ENTER(ID_TEXTCTRL, wxWebBrowserShell::OnAddressBarEnter)
     80     EVT_TEXT_ENTER(ID_SEARCHCTRL, wxWebBrowserShell::OnSearchCtrlEnter)
     81     EVT_WEBVIEW_LOAD(ID_WEBVIEW, wxWebBrowserShell::OnLoadEvent)
     82     EVT_WEBVIEW_BEFORE_LOAD(ID_WEBVIEW, wxWebBrowserShell::OnBeforeLoad)
     83     EVT_MENU(ID_BACK, wxWebBrowserShell::OnBack)
     84     EVT_MENU(ID_FORWARD, wxWebBrowserShell::OnForward)
     85     EVT_MENU(ID_STOP, wxWebBrowserShell::OnStop)
     86     EVT_MENU(ID_RELOAD, wxWebBrowserShell::OnReload)
     87     EVT_MENU(ID_MAKE_TEXT_LARGER, wxWebBrowserShell::OnMakeTextLarger)
     88     EVT_MENU(ID_MAKE_TEXT_SMALLER, wxWebBrowserShell::OnMakeTextSmaller)
     89     EVT_MENU(ID_GET_SOURCE, wxWebBrowserShell::OnGetSource)
     90     EVT_MENU(ID_SET_SOURCE, wxWebBrowserShell::OnSetSource)
     91     EVT_MENU(ID_BROWSE, wxWebBrowserShell::OnBrowse)
     92     EVT_MENU(ID_EDIT, wxWebBrowserShell::OnEdit)
     93     EVT_MENU(ID_RUN_SCRIPT, wxWebBrowserShell::OnRunScript)
     94     EVT_MENU(ID_EDIT_COMMAND, wxWebBrowserShell::OnEditCommand)
     95     EVT_MENU(ID_GET_EDIT_COMMAND_STATE, wxWebBrowserShell::OnGetEditCommandState)
     96 END_EVENT_TABLE()
     97 
     98 
     99 wxWebBrowserShell::wxWebBrowserShell(const wxString& title) :
    100         wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(600, 500)),
    101         m_checkBeforeLoad(false)
    102 {
    103 
    104     // create a menu bar
    105     wxMenu *fileMenu = new wxMenu;
    106     fileMenu->Append(ID_NEW_WINDOW, _T("New Window\tCTRL+N"));
    107     fileMenu->Append(ID_LOADFILE, _T("Open File...\tCTRL+O"));
    108     fileMenu->Append(ID_LOADURL, _("Open Location...\tCTRL+L"));
    109     fileMenu->Append(wxID_EXIT, _T("E&xit\tAlt-X"), _T("Quit this program"));
    110 
    111     wxMenu *editMenu = new wxMenu;
    112     editMenu->Append(wxID_CUT, _T("Cut\tCTRL+X"));
    113     editMenu->Append(wxID_COPY, _T("Copy\tCTRL+C"));
    114     editMenu->Append(wxID_PASTE, _T("Paste\tCTRL+V"));
    115 
    116     wxMenu* viewMenu = new wxMenu;
    117     viewMenu->AppendRadioItem(ID_BROWSE, _("Browse"));
    118     viewMenu->AppendRadioItem(ID_EDIT, _("Edit"));
    119     viewMenu->AppendSeparator();
    120     viewMenu->Append(ID_STOP, _("Stop"));
    121     viewMenu->Append(ID_RELOAD, _("Reload Page"));
    122     viewMenu->Append(ID_MAKE_TEXT_SMALLER, _("Make Text Smaller\tCTRL+-"));
    123     viewMenu->Append(ID_MAKE_TEXT_LARGER, _("Make Text Bigger\tCTRL++"));
    124     viewMenu->AppendSeparator();
    125     viewMenu->Append(ID_GET_SOURCE, _("View Page Source"));
    126     viewMenu->AppendSeparator();
    127 
    128     m_debugMenu = new wxMenu;
    129     m_debugMenu->Append(ID_SET_SOURCE, _("Test SetPageSource"));
    130     m_debugMenu->Append(ID_RUN_SCRIPT, _("Test RunScript"));
    131     m_debugMenu->Append(ID_EDIT_COMMAND, _("Test EditCommand::Execute"));
    132     m_debugMenu->Append(ID_GET_EDIT_COMMAND_STATE, _("Test EditCommand::GetState"));
    133 
    134     // the "About" item should be in the help menu
    135     wxMenu *helpMenu = new wxMenu;
    136     helpMenu->Append(wxID_ABOUT, _T("&About...\tF1"), _T("Show about dialog"));
    137 
    138     // now append the freshly created menu to the menu bar...
    139     wxMenuBar *menuBar = new wxMenuBar();
    140     menuBar->Append(fileMenu, _T("&File"));
    141     menuBar->Append(editMenu, _T("&Edit"));
    142     menuBar->Append(viewMenu, _T("&View"));
    143     menuBar->Append(helpMenu, _T("&Help"));
    144 
    145     // ... and attach this menu bar to the frame
    146     SetMenuBar(menuBar);
    147 
    148     wxToolBar* toolbar = CreateToolBar();
    149     toolbar->SetToolBitmapSize(wxSize(32, 32));
    150 
    151     wxBitmap back = wxArtProvider::GetBitmap(wxART_GO_BACK, wxART_TOOLBAR, wxSize(32,32));
    152     toolbar->AddTool(ID_BACK, back, wxT("Back"));
    153 
    154     wxBitmap forward = wxArtProvider::GetBitmap(wxART_GO_FORWARD, wxART_TOOLBAR, wxSize(32,32));
    155     toolbar->AddTool(ID_FORWARD, forward, wxT("Next"));
    156 
    157     addressBar = new wxTextCtrl(toolbar, ID_TEXTCTRL, _T(""), wxDefaultPosition, wxSize(400, -1), wxTE_PROCESS_ENTER);
    158     toolbar->AddControl(addressBar);
    159 
    160     searchCtrl = new wxSearchCtrl(toolbar, ID_SEARCHCTRL, _("Search"), wxDefaultPosition, wxSize(200, -1), wxTE_PROCESS_ENTER);
    161     toolbar->AddControl(searchCtrl);
    162     toolbar->Realize();
    163 
    164     SetToolBar(toolbar);
    165 
    166     // Create the wxWebView Window
    167     webview = new wxWebView((wxWindow*)this, ID_WEBVIEW, wxDefaultPosition, wxSize(200, 200));
    168     webview->SetBackgroundColour(*wxWHITE);
    169 
    170     // create a status bar just for fun (by default with 1 pane only)
    171     CreateStatusBar(2);
    172 }
    173 
    174 wxWebBrowserShell::~wxWebBrowserShell()
    175 {
    176     if (m_debugMenu && GetMenuBar()->FindMenu(_("&Debug")) == wxNOT_FOUND)
    177         delete m_debugMenu;
    178 }
    179 
    180 void wxWebBrowserShell::ShowDebugMenu(bool show)
    181 {
    182     int debugMenu = GetMenuBar()->FindMenu(_("&Debug"));
    183     if (show && debugMenu == wxNOT_FOUND) {
    184         int prevMenu = GetMenuBar()->FindMenu(_("&View"));
    185         if (prevMenu != wxNOT_FOUND)
    186             GetMenuBar()->Insert((size_t)prevMenu+1, m_debugMenu, _("&Debug"));
    187     }
    188     else if (!show && debugMenu != wxNOT_FOUND) {
    189         GetMenuBar()->Remove(debugMenu);
    190     }
    191 }
    192 
    193 // event handlers
    194 
    195 void wxWebBrowserShell::OnQuit(wxCommandEvent& WXUNUSED(event))
    196 {
    197     // true is to force the frame to close
    198     Close(true);
    199 }
    200 
    201 void wxWebBrowserShell::OnAbout(wxCommandEvent& WXUNUSED(event))
    202 {
    203     wxString msg;
    204     msg.Printf(_T("This is the About dialog of the wxWebKit sample.\n")
    205                _T("Welcome to %s"), wxVERSION_STRING);
    206 
    207     wxMessageBox(msg, _T("About wxWebKit Sample"), wxOK | wxICON_INFORMATION, this);
    208 
    209 }
    210 
    211 void wxWebBrowserShell::OnLoadFile(wxCommandEvent& WXUNUSED(event))
    212 {
    213     wxFileDialog* dialog = new wxFileDialog(this, wxT("Choose a file"));
    214     if (dialog->ShowModal() == wxID_OK) {
    215         wxString path = dialog->GetPath().Prepend(wxT("file://"));
    216 
    217         if (webview)
    218             webview->LoadURL(path);
    219     }
    220 }
    221 
    222 void wxWebBrowserShell::OnLoadEvent(wxWebViewLoadEvent& event)
    223 {
    224     if (GetStatusBar() != NULL){
    225         if (event.GetState() == wxWEBVIEW_LOAD_NEGOTIATING) {
    226             GetStatusBar()->SetStatusText(_("Contacting ") + event.GetURL());
    227         }
    228         else if (event.GetState() == wxWEBVIEW_LOAD_TRANSFERRING) {
    229             GetStatusBar()->SetStatusText(_("Loading ") + event.GetURL());
    230         }
    231         else if (event.GetState() == wxWEBVIEW_LOAD_ONLOAD_HANDLED) {
    232             GetStatusBar()->SetStatusText(_("Load complete."));
    233             addressBar->SetValue(event.GetURL());
    234             SetTitle(webview->GetPageTitle());
    235         }
    236         else if (event.GetState() == wxWEBVIEW_LOAD_FAILED) {
    237             GetStatusBar()->SetStatusText(_("Failed to load ") + event.GetURL());
    238         }
    239     }
    240 }
    241 
    242 void wxWebBrowserShell::OnBeforeLoad(wxWebViewBeforeLoadEvent& myEvent)
    243 {
    244     if (m_checkBeforeLoad) {
    245         int reply = wxMessageBox(_("Would you like to continue loading ") + myEvent.GetURL() + wxT("?"), _("Continue Loading?"), wxYES_NO);
    246         if (reply == wxNO) {
    247             myEvent.Cancel();
    248         }
    249     }
    250 }
    251 
    252 void wxWebBrowserShell::OnAddressBarEnter(wxCommandEvent& event)
    253 {
    254     if (webview)
    255         webview->LoadURL(addressBar->GetValue());
    256 }
    257 
    258 void wxWebBrowserShell::OnSearchCtrlEnter(wxCommandEvent& event)
    259 {
    260     if (webview) {
    261         webview->LoadURL(wxString::Format(wxT("http://www.google.com/search?rls=en&q=%s&ie=UTF-8&oe=UTF-8"), searchCtrl->GetValue().wc_str()));
    262     }
    263 }
    264 
    265 void wxWebBrowserShell::OnCut(wxCommandEvent& event)
    266 {
    267     if (webview && webview->CanCut())
    268         webview->Cut();
    269 }
    270 
    271 void wxWebBrowserShell::OnCopy(wxCommandEvent& event)
    272 {
    273     if (webview && webview->CanCopy())
    274         webview->Copy();
    275 }
    276 
    277 void wxWebBrowserShell::OnPaste(wxCommandEvent& event)
    278 {
    279     if (webview && webview->CanPaste())
    280         webview->Paste();
    281 }
    282 
    283 void wxWebBrowserShell::OnBack(wxCommandEvent& event)
    284 {
    285     if (webview)
    286         webview->GoBack();
    287 }
    288 
    289 void wxWebBrowserShell::OnForward(wxCommandEvent& event)
    290 {
    291     if (webview)
    292         webview->GoForward();
    293 }
    294 
    295 void wxWebBrowserShell::OnStop(wxCommandEvent& myEvent)
    296 {
    297     if (webview)
    298         webview->Stop();
    299 }
    300 
    301 void wxWebBrowserShell::OnReload(wxCommandEvent& myEvent)
    302 {
    303     if (webview)
    304         webview->Reload();
    305 }
    306 
    307 void wxWebBrowserShell::OnMakeTextLarger(wxCommandEvent& myEvent)
    308 {
    309     if (webview) {
    310         if (webview->CanIncreaseTextSize())
    311             webview->IncreaseTextSize();
    312     }
    313 }
    314 
    315 void wxWebBrowserShell::OnMakeTextSmaller(wxCommandEvent& myEvent)
    316 {
    317     if (webview) {
    318         if (webview->CanDecreaseTextSize())
    319             webview->DecreaseTextSize();
    320     }
    321 }
    322 
    323 void wxWebBrowserShell::OnGetSource(wxCommandEvent& myEvent)
    324 {
    325     if (webview) {
    326         wxPageSourceViewFrame* pageSourceFrame = new wxPageSourceViewFrame(webview->GetPageSource());
    327         pageSourceFrame->Show();
    328     }
    329 }
    330 
    331 void wxWebBrowserShell::OnSetSource(wxCommandEvent& event)
    332 {
    333     if (webview)
    334         webview->SetPageSource(wxString(wxT("<p>Hello World!</p>")));
    335 }
    336 
    337 void wxWebBrowserShell::OnBrowse(wxCommandEvent& event)
    338 {
    339     if (webview)
    340         webview->MakeEditable(!event.IsChecked());
    341 }
    342 
    343 void wxWebBrowserShell::OnEdit(wxCommandEvent& event)
    344 {
    345     if (webview)
    346         webview->MakeEditable(event.IsChecked());
    347 }
    348 
    349 void wxWebBrowserShell::OnRunScript(wxCommandEvent& myEvent)
    350 {
    351     if (webview) {
    352         wxTextEntryDialog* dialog = new wxTextEntryDialog(this, _("Type in a JavaScript to exectute."));
    353         if (dialog->ShowModal() == wxID_OK)
    354             wxMessageBox(wxT("Result is: ") + webview->RunScript(dialog->GetValue()));
    355 
    356         dialog->Destroy();
    357     }
    358 }
    359 
    360 void wxWebBrowserShell::OnEditCommand(wxCommandEvent& myEvent)
    361 {
    362     if (webview) {
    363         if (!webview->IsEditable()) {
    364             wxMessageBox(wxT("Please enable editing before running editing commands."));
    365             return;
    366         }
    367 
    368         wxTextEntryDialog* dialog = new wxTextEntryDialog(this, _("Type in a editing command to exectute."));
    369         if (dialog->ShowModal() == wxID_OK) {
    370             bool result = webview->ExecuteEditCommand(dialog->GetValue());
    371             if (!result)
    372                 wxMessageBox(wxT("Editing command failed."));
    373         }
    374         dialog->Destroy();
    375     }
    376 }
    377 
    378 void wxWebBrowserShell::OnGetEditCommandState(wxCommandEvent& myEvent)
    379 {
    380     if (webview) {
    381         if (!webview->IsEditable()) {
    382             wxMessageBox(wxT("Please enable editing before running editing commands."));
    383             return;
    384         }
    385 
    386         wxTextEntryDialog* dialog = new wxTextEntryDialog(this, _("Type in a editing command whose state you want to get."));
    387         if (dialog->ShowModal() == wxID_OK) {
    388             EditState result = webview->GetEditCommandState(dialog->GetValue());
    389             if (result == EditStateTrue)
    390                 wxMessageBox(wxT("State is true."));
    391             else if (result == EditStateFalse)
    392                 wxMessageBox(wxT("State is false."));
    393             else if (result == EditStateMixed)
    394                 wxMessageBox(wxT("State is mixed."));
    395         }
    396         dialog->Destroy();
    397     }
    398 }
    399