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https://bitbucket.org/chromiumembedded/cef
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Linux: Pass CefBrowser to CefPrintHandler callbacks (issue #2196)
This commit is contained in:
Marshall Greenblatt
@@ -7,10 +7,15 @@
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#include <vector>
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#include <gtk/gtk.h>
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#include <gtk/gtkunixprint.h>
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#include "include/base/cef_logging.h"
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#include "include/base/cef_macros.h"
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#include "include/wrapper/cef_helpers.h"
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#include "tests/cefclient/browser/root_window.h"
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namespace client {
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namespace {
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@@ -267,161 +272,328 @@ void InitPrintSettings(GtkPrintSettings* settings,
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} // namespace
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ClientPrintHandlerGtk::ClientPrintHandlerGtk()
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: dialog_(NULL), gtk_settings_(NULL), page_setup_(NULL), printer_(NULL) {}
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struct ClientPrintHandlerGtk::PrintHandler {
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PrintHandler(CefRefPtr<CefBrowser> browser)
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: browser_(browser),
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dialog_(NULL),
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gtk_settings_(NULL),
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page_setup_(NULL),
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printer_(NULL) {}
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void ClientPrintHandlerGtk::OnPrintStart(CefRefPtr<CefBrowser> browser) {}
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void ClientPrintHandlerGtk::OnPrintSettings(
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CefRefPtr<CefPrintSettings> settings,
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bool get_defaults) {
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if (get_defaults) {
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DCHECK(!page_setup_);
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DCHECK(!printer_);
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// |gtk_settings_| is a new copy.
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gtk_settings_ = gtk_print_settings_copy(GetLastUsedSettings()->settings());
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page_setup_ = gtk_page_setup_new();
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} else {
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if (!gtk_settings_) {
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gtk_settings_ =
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gtk_print_settings_copy(GetLastUsedSettings()->settings());
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~PrintHandler() {
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if (dialog_) {
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gtk_widget_destroy(dialog_);
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dialog_ = NULL;
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}
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if (gtk_settings_) {
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g_object_unref(gtk_settings_);
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gtk_settings_ = NULL;
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}
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if (page_setup_) {
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g_object_unref(page_setup_);
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page_setup_ = NULL;
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}
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GtkPrinterList* printer_list = new GtkPrinterList;
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printer_ = printer_list->GetPrinterWithName(settings->GetDeviceName());
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if (printer_) {
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g_object_ref(printer_);
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gtk_print_settings_set_printer(gtk_settings_,
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gtk_printer_get_name(printer_));
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if (!page_setup_) {
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page_setup_ = gtk_printer_get_default_page_size(printer_);
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}
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g_object_unref(printer_);
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printer_ = NULL;
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}
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gtk_print_settings_set_n_copies(gtk_settings_, settings->GetCopies());
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gtk_print_settings_set_collate(gtk_settings_, settings->WillCollate());
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std::string color_value;
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std::string color_setting_name;
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GetColorModelForMode(settings->GetColorModel(), &color_setting_name,
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&color_value);
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gtk_print_settings_set(gtk_settings_, color_setting_name.c_str(),
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color_value.c_str());
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if (settings->GetDuplexMode() != DUPLEX_MODE_UNKNOWN) {
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const char* cups_duplex_mode = NULL;
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switch (settings->GetDuplexMode()) {
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case DUPLEX_MODE_LONG_EDGE:
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cups_duplex_mode = kDuplexNoTumble;
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break;
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case DUPLEX_MODE_SHORT_EDGE:
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cups_duplex_mode = kDuplexTumble;
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break;
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case DUPLEX_MODE_SIMPLEX:
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cups_duplex_mode = kDuplexNone;
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break;
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default: // UNKNOWN_DUPLEX_MODE
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NOTREACHED();
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break;
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}
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gtk_print_settings_set(gtk_settings_, kCUPSDuplex, cups_duplex_mode);
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}
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if (!page_setup_)
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page_setup_ = gtk_page_setup_new();
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gtk_print_settings_set_orientation(
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gtk_settings_, settings->IsLandscape() ? GTK_PAGE_ORIENTATION_LANDSCAPE
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: GTK_PAGE_ORIENTATION_PORTRAIT);
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delete printer_list;
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}
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InitPrintSettings(gtk_settings_, page_setup_, settings);
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void OnPrintSettings(CefRefPtr<CefPrintSettings> settings,
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bool get_defaults) {
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if (get_defaults) {
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DCHECK(!page_setup_);
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DCHECK(!printer_);
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// |gtk_settings_| is a new copy.
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gtk_settings_ =
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gtk_print_settings_copy(GetLastUsedSettings()->settings());
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page_setup_ = gtk_page_setup_new();
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} else {
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if (!gtk_settings_) {
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gtk_settings_ =
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gtk_print_settings_copy(GetLastUsedSettings()->settings());
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}
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GtkPrinterList* printer_list = new GtkPrinterList;
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printer_ = printer_list->GetPrinterWithName(settings->GetDeviceName());
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if (printer_) {
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g_object_ref(printer_);
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gtk_print_settings_set_printer(gtk_settings_,
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gtk_printer_get_name(printer_));
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if (!page_setup_) {
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page_setup_ = gtk_printer_get_default_page_size(printer_);
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}
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}
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gtk_print_settings_set_n_copies(gtk_settings_, settings->GetCopies());
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gtk_print_settings_set_collate(gtk_settings_, settings->WillCollate());
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std::string color_value;
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std::string color_setting_name;
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GetColorModelForMode(settings->GetColorModel(), &color_setting_name,
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&color_value);
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gtk_print_settings_set(gtk_settings_, color_setting_name.c_str(),
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color_value.c_str());
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if (settings->GetDuplexMode() != DUPLEX_MODE_UNKNOWN) {
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const char* cups_duplex_mode = NULL;
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switch (settings->GetDuplexMode()) {
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case DUPLEX_MODE_LONG_EDGE:
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cups_duplex_mode = kDuplexNoTumble;
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break;
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case DUPLEX_MODE_SHORT_EDGE:
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cups_duplex_mode = kDuplexTumble;
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break;
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case DUPLEX_MODE_SIMPLEX:
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cups_duplex_mode = kDuplexNone;
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break;
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default: // UNKNOWN_DUPLEX_MODE
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NOTREACHED();
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break;
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}
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gtk_print_settings_set(gtk_settings_, kCUPSDuplex, cups_duplex_mode);
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}
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if (!page_setup_)
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page_setup_ = gtk_page_setup_new();
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gtk_print_settings_set_orientation(gtk_settings_,
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settings->IsLandscape()
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? GTK_PAGE_ORIENTATION_LANDSCAPE
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: GTK_PAGE_ORIENTATION_PORTRAIT);
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delete printer_list;
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}
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InitPrintSettings(gtk_settings_, page_setup_, settings);
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}
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bool OnPrintDialog(bool has_selection,
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CefRefPtr<CefPrintDialogCallback> callback) {
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dialog_callback_ = callback;
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GtkWindow* parent = GetWindow();
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// TODO(estade): We need a window title here.
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dialog_ = gtk_print_unix_dialog_new(NULL, parent);
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g_signal_connect(dialog_, "delete-event",
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G_CALLBACK(gtk_widget_hide_on_delete), NULL);
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// Set modal so user cannot focus the same tab and press print again.
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gtk_window_set_modal(GTK_WINDOW(dialog_), TRUE);
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// Since we only generate PDF, only show printers that support PDF.
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// TODO(thestig) Add more capabilities to support?
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GtkPrintCapabilities cap = static_cast<GtkPrintCapabilities>(
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GTK_PRINT_CAPABILITY_GENERATE_PDF | GTK_PRINT_CAPABILITY_PAGE_SET |
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GTK_PRINT_CAPABILITY_COPIES | GTK_PRINT_CAPABILITY_COLLATE |
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GTK_PRINT_CAPABILITY_REVERSE);
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gtk_print_unix_dialog_set_manual_capabilities(
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GTK_PRINT_UNIX_DIALOG(dialog_), cap);
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gtk_print_unix_dialog_set_embed_page_setup(GTK_PRINT_UNIX_DIALOG(dialog_),
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TRUE);
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gtk_print_unix_dialog_set_support_selection(GTK_PRINT_UNIX_DIALOG(dialog_),
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TRUE);
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gtk_print_unix_dialog_set_has_selection(GTK_PRINT_UNIX_DIALOG(dialog_),
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has_selection);
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gtk_print_unix_dialog_set_settings(GTK_PRINT_UNIX_DIALOG(dialog_),
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gtk_settings_);
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g_signal_connect(dialog_, "response", G_CALLBACK(OnDialogResponseThunk),
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this);
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gtk_widget_show(dialog_);
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return true;
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}
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bool OnPrintJob(const CefString& document_name,
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const CefString& pdf_file_path,
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CefRefPtr<CefPrintJobCallback> callback) {
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// If |printer_| is NULL then somehow the GTK printer list changed out under
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// us. In which case, just bail out.
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if (!printer_)
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return false;
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job_callback_ = callback;
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// Save the settings for next time.
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GetLastUsedSettings()->SetLastUsedSettings(gtk_settings_);
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GtkPrintJob* print_job = gtk_print_job_new(
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document_name.ToString().c_str(), printer_, gtk_settings_, page_setup_);
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gtk_print_job_set_source_file(print_job, pdf_file_path.ToString().c_str(),
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NULL);
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gtk_print_job_send(print_job, OnJobCompletedThunk, this, NULL);
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return true;
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}
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private:
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// Returns the GtkWindow* for the browser. Will return NULL when using the
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// Views framework.
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GtkWindow* GetWindow() {
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scoped_refptr<RootWindow> root_window =
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RootWindow::GetForBrowser(browser_->GetIdentifier());
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if (root_window)
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return GTK_WINDOW(root_window->GetWindowHandle());
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return NULL;
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}
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void OnDialogResponse(GtkDialog* dialog, gint response_id) {
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int num_matched_handlers = g_signal_handlers_disconnect_by_func(
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dialog_, reinterpret_cast<gpointer>(&OnDialogResponseThunk), this);
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DCHECK_EQ(1, num_matched_handlers);
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gtk_widget_hide(dialog_);
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switch (response_id) {
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case GTK_RESPONSE_OK: {
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if (gtk_settings_)
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g_object_unref(gtk_settings_);
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gtk_settings_ =
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gtk_print_unix_dialog_get_settings(GTK_PRINT_UNIX_DIALOG(dialog_));
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if (printer_)
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g_object_unref(printer_);
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printer_ = gtk_print_unix_dialog_get_selected_printer(
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GTK_PRINT_UNIX_DIALOG(dialog_));
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g_object_ref(printer_);
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if (page_setup_)
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g_object_unref(page_setup_);
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page_setup_ = gtk_print_unix_dialog_get_page_setup(
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GTK_PRINT_UNIX_DIALOG(dialog_));
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g_object_ref(page_setup_);
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// Handle page ranges.
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CefPrintSettings::PageRangeList ranges_vector;
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gint num_ranges;
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bool print_selection_only = false;
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switch (gtk_print_settings_get_print_pages(gtk_settings_)) {
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case GTK_PRINT_PAGES_RANGES: {
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GtkPageRange* gtk_range =
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gtk_print_settings_get_page_ranges(gtk_settings_, &num_ranges);
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if (gtk_range) {
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for (int i = 0; i < num_ranges; ++i) {
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ranges_vector.push_back(
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CefRange(gtk_range[i].start, gtk_range[i].end));
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}
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g_free(gtk_range);
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}
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break;
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}
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case GTK_PRINT_PAGES_SELECTION:
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print_selection_only = true;
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break;
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case GTK_PRINT_PAGES_ALL:
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// Leave |ranges_vector| empty to indicate print all pages.
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break;
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case GTK_PRINT_PAGES_CURRENT:
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default:
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NOTREACHED();
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break;
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}
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CefRefPtr<CefPrintSettings> settings = CefPrintSettings::Create();
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settings->SetPageRanges(ranges_vector);
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settings->SetSelectionOnly(print_selection_only);
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InitPrintSettings(gtk_settings_, page_setup_, settings);
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dialog_callback_->Continue(settings);
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dialog_callback_ = NULL;
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return;
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}
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case GTK_RESPONSE_DELETE_EVENT: // Fall through.
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case GTK_RESPONSE_CANCEL: {
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dialog_callback_->Cancel();
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dialog_callback_ = NULL;
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return;
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}
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case GTK_RESPONSE_APPLY:
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default: { NOTREACHED(); }
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}
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}
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void OnJobCompleted(GtkPrintJob* print_job, GError* error) {
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job_callback_->Continue();
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job_callback_ = NULL;
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}
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static void OnDialogResponseThunk(GtkDialog* dialog,
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gint response_id,
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PrintHandler* handler) {
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handler->OnDialogResponse(dialog, response_id);
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}
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static void OnJobCompletedThunk(GtkPrintJob* print_job,
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void* handler,
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GError* error) {
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static_cast<PrintHandler*>(handler)->OnJobCompleted(print_job, error);
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}
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CefRefPtr<CefBrowser> browser_;
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GtkWidget* dialog_; // Owned.
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GtkPrintSettings* gtk_settings_; // Referenced.
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GtkPageSetup* page_setup_; // Referenced.
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GtkPrinter* printer_; // Referenced.
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CefRefPtr<CefPrintDialogCallback> dialog_callback_;
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CefRefPtr<CefPrintJobCallback> job_callback_;
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};
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ClientPrintHandlerGtk::ClientPrintHandlerGtk() {}
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ClientPrintHandlerGtk::~ClientPrintHandlerGtk() {
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DCHECK(print_handler_map_.empty());
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}
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void ClientPrintHandlerGtk::OnPrintStart(CefRefPtr<CefBrowser> browser) {
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const int browser_id = browser->GetIdentifier();
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#ifndef _NDEBUG
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// Print handler should not already exist for the browser.
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PrintHandlerMap::const_iterator it = print_handler_map_.find(browser_id);
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DCHECK(it == print_handler_map_.end());
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#endif
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// Create a new print handler.
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PrintHandler* ph = new PrintHandler(browser);
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print_handler_map_.insert(std::make_pair(browser_id, ph));
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}
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void ClientPrintHandlerGtk::OnPrintSettings(
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CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefPrintSettings> settings,
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bool get_defaults) {
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GetPrintHandler(browser)->OnPrintSettings(settings, get_defaults);
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}
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bool ClientPrintHandlerGtk::OnPrintDialog(
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CefRefPtr<CefBrowser> browser,
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bool has_selection,
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CefRefPtr<CefPrintDialogCallback> callback) {
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dialog_callback_ = callback;
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// TODO(cef): Identify the correct parent window.
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GtkWindow* parent = NULL;
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// TODO(estade): We need a window title here.
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dialog_ = gtk_print_unix_dialog_new(NULL, parent);
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g_signal_connect(dialog_, "delete-event",
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G_CALLBACK(gtk_widget_hide_on_delete), NULL);
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// Set modal so user cannot focus the same tab and press print again.
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gtk_window_set_modal(GTK_WINDOW(dialog_), TRUE);
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// Since we only generate PDF, only show printers that support PDF.
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// TODO(thestig) Add more capabilities to support?
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GtkPrintCapabilities cap = static_cast<GtkPrintCapabilities>(
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GTK_PRINT_CAPABILITY_GENERATE_PDF | GTK_PRINT_CAPABILITY_PAGE_SET |
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GTK_PRINT_CAPABILITY_COPIES | GTK_PRINT_CAPABILITY_COLLATE |
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GTK_PRINT_CAPABILITY_REVERSE);
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gtk_print_unix_dialog_set_manual_capabilities(GTK_PRINT_UNIX_DIALOG(dialog_),
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cap);
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gtk_print_unix_dialog_set_embed_page_setup(GTK_PRINT_UNIX_DIALOG(dialog_),
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TRUE);
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gtk_print_unix_dialog_set_support_selection(GTK_PRINT_UNIX_DIALOG(dialog_),
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TRUE);
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gtk_print_unix_dialog_set_has_selection(GTK_PRINT_UNIX_DIALOG(dialog_),
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has_selection);
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gtk_print_unix_dialog_set_settings(GTK_PRINT_UNIX_DIALOG(dialog_),
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gtk_settings_);
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g_signal_connect(dialog_, "response", G_CALLBACK(OnDialogResponseThunk),
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this);
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gtk_widget_show(dialog_);
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return true;
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return GetPrintHandler(browser)->OnPrintDialog(has_selection, callback);
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}
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bool ClientPrintHandlerGtk::OnPrintJob(
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CefRefPtr<CefBrowser> browser,
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const CefString& document_name,
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const CefString& pdf_file_path,
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CefRefPtr<CefPrintJobCallback> callback) {
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// If |printer_| is NULL then somehow the GTK printer list changed out under
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// us. In which case, just bail out.
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if (!printer_)
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return false;
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job_callback_ = callback;
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// Save the settings for next time.
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GetLastUsedSettings()->SetLastUsedSettings(gtk_settings_);
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GtkPrintJob* print_job = gtk_print_job_new(
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document_name.ToString().c_str(), printer_, gtk_settings_, page_setup_);
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gtk_print_job_set_source_file(print_job, pdf_file_path.ToString().c_str(),
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NULL);
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gtk_print_job_send(print_job, OnJobCompletedThunk, this, NULL);
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return true;
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return GetPrintHandler(browser)->OnPrintJob(document_name, pdf_file_path,
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callback);
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}
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void ClientPrintHandlerGtk::OnPrintReset() {
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if (dialog_) {
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gtk_widget_destroy(dialog_);
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dialog_ = NULL;
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}
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if (gtk_settings_) {
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g_object_unref(gtk_settings_);
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gtk_settings_ = NULL;
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}
|
||||
if (page_setup_) {
|
||||
g_object_unref(page_setup_);
|
||||
page_setup_ = NULL;
|
||||
}
|
||||
if (printer_) {
|
||||
g_object_unref(printer_);
|
||||
printer_ = NULL;
|
||||
}
|
||||
void ClientPrintHandlerGtk::OnPrintReset(CefRefPtr<CefBrowser> browser) {
|
||||
// Delete the print handler.
|
||||
PrintHandlerMap::iterator it =
|
||||
print_handler_map_.find(browser->GetIdentifier());
|
||||
DCHECK(it != print_handler_map_.end());
|
||||
delete it->second;
|
||||
print_handler_map_.erase(it);
|
||||
}
|
||||
|
||||
CefSize ClientPrintHandlerGtk::GetPdfPaperSize(int device_units_per_inch) {
|
||||
CefSize ClientPrintHandlerGtk::GetPdfPaperSize(CefRefPtr<CefBrowser> browser,
|
||||
int device_units_per_inch) {
|
||||
GtkPageSetup* page_setup = gtk_page_setup_new();
|
||||
|
||||
float width = gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH);
|
||||
@@ -432,85 +604,12 @@ CefSize ClientPrintHandlerGtk::GetPdfPaperSize(int device_units_per_inch) {
|
||||
return CefSize(width * device_units_per_inch, height * device_units_per_inch);
|
||||
}
|
||||
|
||||
void ClientPrintHandlerGtk::OnDialogResponse(GtkDialog* dialog,
|
||||
gint response_id) {
|
||||
int num_matched_handlers = g_signal_handlers_disconnect_by_func(
|
||||
dialog_, reinterpret_cast<gpointer>(&OnDialogResponseThunk), this);
|
||||
DCHECK_EQ(1, num_matched_handlers);
|
||||
|
||||
gtk_widget_hide(dialog_);
|
||||
|
||||
switch (response_id) {
|
||||
case GTK_RESPONSE_OK: {
|
||||
if (gtk_settings_)
|
||||
g_object_unref(gtk_settings_);
|
||||
gtk_settings_ =
|
||||
gtk_print_unix_dialog_get_settings(GTK_PRINT_UNIX_DIALOG(dialog_));
|
||||
|
||||
if (printer_)
|
||||
g_object_unref(printer_);
|
||||
printer_ = gtk_print_unix_dialog_get_selected_printer(
|
||||
GTK_PRINT_UNIX_DIALOG(dialog_));
|
||||
g_object_ref(printer_);
|
||||
|
||||
if (page_setup_)
|
||||
g_object_unref(page_setup_);
|
||||
page_setup_ =
|
||||
gtk_print_unix_dialog_get_page_setup(GTK_PRINT_UNIX_DIALOG(dialog_));
|
||||
g_object_ref(page_setup_);
|
||||
|
||||
// Handle page ranges.
|
||||
CefPrintSettings::PageRangeList ranges_vector;
|
||||
gint num_ranges;
|
||||
bool print_selection_only = false;
|
||||
switch (gtk_print_settings_get_print_pages(gtk_settings_)) {
|
||||
case GTK_PRINT_PAGES_RANGES: {
|
||||
GtkPageRange* gtk_range =
|
||||
gtk_print_settings_get_page_ranges(gtk_settings_, &num_ranges);
|
||||
if (gtk_range) {
|
||||
for (int i = 0; i < num_ranges; ++i) {
|
||||
ranges_vector.push_back(
|
||||
CefRange(gtk_range[i].start, gtk_range[i].end));
|
||||
}
|
||||
g_free(gtk_range);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case GTK_PRINT_PAGES_SELECTION:
|
||||
print_selection_only = true;
|
||||
break;
|
||||
case GTK_PRINT_PAGES_ALL:
|
||||
// Leave |ranges_vector| empty to indicate print all pages.
|
||||
break;
|
||||
case GTK_PRINT_PAGES_CURRENT:
|
||||
default:
|
||||
NOTREACHED();
|
||||
break;
|
||||
}
|
||||
|
||||
CefRefPtr<CefPrintSettings> settings = CefPrintSettings::Create();
|
||||
settings->SetPageRanges(ranges_vector);
|
||||
settings->SetSelectionOnly(print_selection_only);
|
||||
InitPrintSettings(gtk_settings_, page_setup_, settings);
|
||||
dialog_callback_->Continue(settings);
|
||||
dialog_callback_ = NULL;
|
||||
return;
|
||||
}
|
||||
case GTK_RESPONSE_DELETE_EVENT: // Fall through.
|
||||
case GTK_RESPONSE_CANCEL: {
|
||||
dialog_callback_->Cancel();
|
||||
dialog_callback_ = NULL;
|
||||
return;
|
||||
}
|
||||
case GTK_RESPONSE_APPLY:
|
||||
default: { NOTREACHED(); }
|
||||
}
|
||||
}
|
||||
|
||||
void ClientPrintHandlerGtk::OnJobCompleted(GtkPrintJob* print_job,
|
||||
GError* error) {
|
||||
job_callback_->Continue();
|
||||
job_callback_ = NULL;
|
||||
ClientPrintHandlerGtk::PrintHandler* ClientPrintHandlerGtk::GetPrintHandler(
|
||||
CefRefPtr<CefBrowser> browser) {
|
||||
PrintHandlerMap::const_iterator it =
|
||||
print_handler_map_.find(browser->GetIdentifier());
|
||||
DCHECK(it != print_handler_map_.end());
|
||||
return it->second;
|
||||
}
|
||||
|
||||
} // namespace client
|
||||
|
||||
Reference in New Issue
Block a user