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cef/tests/cefclient/cefclient_gtk.cpp

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// Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
// This value is defined in build/common.gypi and must be undefined here
// in order for gtkglext to compile.
#undef GTK_DISABLE_SINGLE_INCLUDES
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string>
#include "cefclient/cefclient.h"
#include "include/cef_app.h"
#include "include/cef_browser.h"
#include "include/cef_frame.h"
#include "include/cef_runnable.h"
#include "cefclient/cefclient_osr_widget_gtk.h"
#include "cefclient/client_handler.h"
#include "cefclient/client_switches.h"
#include "cefclient/scheme_test.h"
#include "cefclient/string_util.h"
char szWorkingDir[512]; // The current working directory
// The global ClientHandler reference.
extern CefRefPtr<ClientHandler> g_handler;
class MainBrowserProvider : public OSRBrowserProvider {
virtual CefRefPtr<CefBrowser> GetBrowser() {
if (g_handler.get())
return g_handler->GetBrowser();
return NULL;
}
} g_main_browser_provider;
void destroy(GtkWidget* widget, gpointer data) {
// Quitting CEF is handled in ClientHandler::OnBeforeClose().
}
gboolean delete_event(GtkWidget* widget, GdkEvent* event,
GtkWindow* window) {
if (g_handler.get() && !g_handler->IsClosing()) {
CefRefPtr<CefBrowser> browser = g_handler->GetBrowser();
if (browser.get()) {
// Notify the browser window that we would like to close it. This
// will result in a call to ClientHandler::DoClose() if the
// JavaScript 'onbeforeunload' event handler allows it.
browser->GetHost()->CloseBrowser(false);
// Cancel the close.
return TRUE;
}
}
// Allow the close.
return FALSE;
}
void TerminationSignalHandler(int signatl) {
AppQuitMessageLoop();
}
// Callback for Tests > Get Source... menu item.
gboolean GetSourceActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
RunGetSourceTest(g_handler->GetBrowser());
return FALSE; // Don't stop this message.
}
// Callback for Tests > Get Text... menu item.
gboolean GetTextActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
RunGetTextTest(g_handler->GetBrowser());
return FALSE; // Don't stop this message.
}
// Callback for Tests > Popup Window... menu item.
gboolean PopupWindowActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
RunPopupTest(g_handler->GetBrowser());
return FALSE; // Don't stop this message.
}
// Callback for Tests > Request... menu item.
gboolean RequestActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
RunRequestTest(g_handler->GetBrowser());
return FALSE; // Don't stop this message.
}
// Callback for Tests > Plugin Info... menu item.
gboolean PluginInfoActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
RunPluginInfoTest(g_handler->GetBrowser());
return FALSE; // Don't stop this message.
}
// Callback for Tests > Zoom In... menu item.
gboolean ZoomInActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId()) {
CefRefPtr<CefBrowser> browser = g_handler->GetBrowser();
browser->GetHost()->SetZoomLevel(browser->GetHost()->GetZoomLevel() + 0.5);
}
return FALSE; // Don't stop this message.
}
// Callback for Tests > Zoom Out... menu item.
gboolean ZoomOutActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId()) {
CefRefPtr<CefBrowser> browser = g_handler->GetBrowser();
browser->GetHost()->SetZoomLevel(browser->GetHost()->GetZoomLevel() - 0.5);
}
return FALSE; // Don't stop this message.
}
// Callback for Tests > Zoom Reset... menu item.
gboolean ZoomResetActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId()) {
CefRefPtr<CefBrowser> browser = g_handler->GetBrowser();
browser->GetHost()->SetZoomLevel(0.0);
}
return FALSE; // Don't stop this message.
}
// Callback for Tests > Begin Tracing menu item.
gboolean BeginTracingActivated(GtkWidget* widget) {
if (g_handler.get())
g_handler->BeginTracing();
return FALSE; // Don't stop this message.
}
// Callback for Tests > End Tracing menu item.
gboolean EndTracingActivated(GtkWidget* widget) {
if (g_handler.get())
g_handler->EndTracing();
return FALSE; // Don't stop this message.
}
// Callback for Tests > Other Tests... menu item.
gboolean OtherTestsActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
RunOtherTests(g_handler->GetBrowser());
return FALSE; // Don't stop this message.
}
// Callback for when you click the back button.
void BackButtonClicked(GtkButton* button) {
if (g_handler.get() && g_handler->GetBrowserId())
g_handler->GetBrowser()->GoBack();
}
// Callback for when you click the forward button.
void ForwardButtonClicked(GtkButton* button) {
if (g_handler.get() && g_handler->GetBrowserId())
g_handler->GetBrowser()->GoForward();
}
// Callback for when you click the stop button.
void StopButtonClicked(GtkButton* button) {
if (g_handler.get() && g_handler->GetBrowserId())
g_handler->GetBrowser()->StopLoad();
}
// Callback for when you click the reload button.
void ReloadButtonClicked(GtkButton* button) {
if (g_handler.get() && g_handler->GetBrowserId())
g_handler->GetBrowser()->Reload();
}
// Callback for when you press enter in the URL box.
void URLEntryActivate(GtkEntry* entry) {
if (!g_handler.get() || !g_handler->GetBrowserId())
return;
const gchar* url = gtk_entry_get_text(entry);
g_handler->GetBrowser()->GetMainFrame()->LoadURL(std::string(url).c_str());
}
// GTK utility functions ----------------------------------------------
GtkWidget* AddMenuEntry(GtkWidget* menu_widget, const char* text,
GCallback callback) {
GtkWidget* entry = gtk_menu_item_new_with_label(text);
g_signal_connect(entry, "activate", callback, NULL);
gtk_menu_shell_append(GTK_MENU_SHELL(menu_widget), entry);
return entry;
}
GtkWidget* CreateMenu(GtkWidget* menu_bar, const char* text) {
GtkWidget* menu_widget = gtk_menu_new();
GtkWidget* menu_header = gtk_menu_item_new_with_label(text);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_header), menu_widget);
gtk_menu_shell_append(GTK_MENU_SHELL(menu_bar), menu_header);
return menu_widget;
}
GtkWidget* CreateMenuBar() {
GtkWidget* menu_bar = gtk_menu_bar_new();
GtkWidget* debug_menu = CreateMenu(menu_bar, "Tests");
AddMenuEntry(debug_menu, "Get Source",
G_CALLBACK(GetSourceActivated));
AddMenuEntry(debug_menu, "Get Text",
G_CALLBACK(GetTextActivated));
AddMenuEntry(debug_menu, "Popup Window",
G_CALLBACK(PopupWindowActivated));
AddMenuEntry(debug_menu, "Request",
G_CALLBACK(RequestActivated));
AddMenuEntry(debug_menu, "Plugin Info",
G_CALLBACK(PluginInfoActivated));
AddMenuEntry(debug_menu, "Zoom In",
G_CALLBACK(ZoomInActivated));
AddMenuEntry(debug_menu, "Zoom Out",
G_CALLBACK(ZoomOutActivated));
AddMenuEntry(debug_menu, "Zoom Reset",
G_CALLBACK(ZoomResetActivated));
AddMenuEntry(debug_menu, "Begin Tracing",
G_CALLBACK(BeginTracingActivated));
AddMenuEntry(debug_menu, "End Tracing",
G_CALLBACK(EndTracingActivated));
AddMenuEntry(debug_menu, "Other Tests",
G_CALLBACK(OtherTestsActivated));
return menu_bar;
}
// WebViewDelegate::TakeFocus in the test webview delegate.
static gboolean HandleFocus(GtkWidget* widget,
GdkEventFocus* focus) {
if (g_handler.get() && g_handler->GetBrowserId()) {
// Give focus to the browser window.
g_handler->GetBrowser()->GetHost()->SetFocus(true);
}
return TRUE;
}
int main(int argc, char* argv[]) {
CefMainArgs main_args(argc, argv);
CefRefPtr<ClientApp> app(new ClientApp);
// Execute the secondary process, if any.
int exit_code = CefExecuteProcess(main_args, app.get());
if (exit_code >= 0)
return exit_code;
if (!getcwd(szWorkingDir, sizeof (szWorkingDir)))
return -1;
GtkWidget* window;
gtk_init(&argc, &argv);
// Perform gtkglext initialization required by the OSR example.
gtk_gl_init(&argc, &argv);
// Parse command line arguments.
AppInitCommandLine(argc, argv);
CefSettings settings;
// Populate the settings based on command line arguments.
AppGetSettings(settings);
// Initialize CEF.
CefInitialize(main_args, settings, app.get());
// Register the scheme handler.
scheme_test::InitTest();
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
g_signal_connect(window, "focus", G_CALLBACK(&HandleFocus), NULL);
GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
GtkWidget* menu_bar = CreateMenuBar();
gtk_box_pack_start(GTK_BOX(vbox), menu_bar, FALSE, FALSE, 0);
GtkWidget* toolbar = gtk_toolbar_new();
// Turn off the labels on the toolbar buttons.
gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
GtkToolItem* back = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
g_signal_connect(back, "clicked",
G_CALLBACK(BackButtonClicked), NULL);
gtk_toolbar_insert(GTK_TOOLBAR(toolbar), back, -1 /* append */);
GtkToolItem* forward = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
g_signal_connect(forward, "clicked",
G_CALLBACK(ForwardButtonClicked), NULL);
gtk_toolbar_insert(GTK_TOOLBAR(toolbar), forward, -1 /* append */);
GtkToolItem* reload = gtk_tool_button_new_from_stock(GTK_STOCK_REFRESH);
g_signal_connect(reload, "clicked",
G_CALLBACK(ReloadButtonClicked), NULL);
gtk_toolbar_insert(GTK_TOOLBAR(toolbar), reload, -1 /* append */);
GtkToolItem* stop = gtk_tool_button_new_from_stock(GTK_STOCK_STOP);
g_signal_connect(stop, "clicked",
G_CALLBACK(StopButtonClicked), NULL);
gtk_toolbar_insert(GTK_TOOLBAR(toolbar), stop, -1 /* append */);
GtkWidget* m_editWnd = gtk_entry_new();
g_signal_connect(G_OBJECT(m_editWnd), "activate",
G_CALLBACK(URLEntryActivate), NULL);
GtkToolItem* tool_item = gtk_tool_item_new();
gtk_container_add(GTK_CONTAINER(tool_item), m_editWnd);
gtk_tool_item_set_expand(tool_item, TRUE);
gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tool_item, -1); // append
gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(window), "destroy",
G_CALLBACK(destroy), NULL);
g_signal_connect(G_OBJECT(window), "delete_event",
G_CALLBACK(delete_event), window);
// Create the handler.
g_handler = new ClientHandler();
g_handler->SetMainHwnd(vbox);
g_handler->SetEditHwnd(m_editWnd);
g_handler->SetButtonHwnds(GTK_WIDGET(back), GTK_WIDGET(forward),
GTK_WIDGET(reload), GTK_WIDGET(stop));
// Create the browser view.
CefWindowInfo window_info;
CefBrowserSettings browserSettings;
if (AppIsOffScreenRenderingEnabled()) {
CefRefPtr<CefCommandLine> cmd_line = AppGetCommandLine();
bool transparent =
cmd_line->HasSwitch(cefclient::kTransparentPaintingEnabled);
CefRefPtr<OSRWindow> osr_window =
OSRWindow::Create(&g_main_browser_provider, transparent, vbox);
window_info.SetAsOffScreen(osr_window->GetWindowHandle());
window_info.SetTransparentPainting(transparent);
g_handler->SetOSRHandler(osr_window.get());
} else {
window_info.SetAsChild(vbox);
}
CefBrowserHost::CreateBrowserSync(
window_info, g_handler.get(),
g_handler->GetStartupURL(), browserSettings, NULL);
gtk_container_add(GTK_CONTAINER(window), vbox);
gtk_widget_show_all(GTK_WIDGET(window));
// Install an signal handler so we clean up after ourselves.
signal(SIGINT, TerminationSignalHandler);
signal(SIGTERM, TerminationSignalHandler);
CefRunMessageLoop();
CefShutdown();
return 0;
}
// Global functions
std::string AppGetWorkingDirectory() {
return szWorkingDir;
}
void AppQuitMessageLoop() {
CefQuitMessageLoop();
}
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