diff options
Diffstat (limited to 'embed/mozilla/GeckoPrintSession.cpp')
| -rw-r--r-- | embed/mozilla/GeckoPrintSession.cpp | 622 |
1 files changed, 622 insertions, 0 deletions
diff --git a/embed/mozilla/GeckoPrintSession.cpp b/embed/mozilla/GeckoPrintSession.cpp new file mode 100644 index 000000000..4d184eb9f --- /dev/null +++ b/embed/mozilla/GeckoPrintSession.cpp @@ -0,0 +1,622 @@ +/* + * Copyright (C) 2006 Christian Persch + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Id$ + */ + +#include "mozilla-config.h" +#include "config.h" + +#include <unistd.h> + +#include <glib/gi18n.h> +#include <gtk/gtk.h> + +#include <nsStringAPI.h> + +#include <nsIDOMWindow.h> +#include <nsIDOMWindowInternal.h> +#include <nsIPrintSettings.h> + +#include "ephy-debug.h" +#include "ephy-embed-shell.h" +#include "ephy-file-helpers.h" + +#include "EphyUtils.h" + +#include "GeckoPrintSession.h" + +#define MAX_STRING_LENGTH 512 + +GeckoPrintSession::GeckoPrintSession () +: mSettings(NULL) +, mPageSetup(NULL) +, mPrinter(NULL) +, mJob(NULL) +, mProgressDialog(NULL) +, mTitleLabel(NULL) +, mProgressBar(NULL) +, mStartPrintIdleID(0) +, mSourceFileIsTemp(PR_FALSE) +, mDone(PR_FALSE) +, mCancelled(PR_FALSE) +{ + LOG ("GeckoPrintSession ctor [%p]", (void*) this); + + /* FIXME: connect to "prepare-close" ? */ + g_object_ref (ephy_embed_shell_get_default ()); +} + +GeckoPrintSession::~GeckoPrintSession () +{ + LOG ("GeckoPrintSession dtor [%p]", (void*) this); + + NS_ASSERTION (mStartPrintIdleID == 0, "Impossible"); + + if (!mDone && !mCancelled) { + Cancel (); + } + DestroyJob (); + + if (mSettings) { + g_object_unref (mSettings); + } + if (mPageSetup) { + g_object_unref (mPageSetup); + } + if (mPrinter) { + g_object_unref (mPrinter); + } + if (mProgressDialog) { + gtk_widget_destroy (mProgressDialog); + } + if (mSourceFileIsTemp) { + unlink (mSourceFile.get ()); + } + + g_object_unref (ephy_embed_shell_get_default ()); +} + +void +GeckoPrintSession::GetSourceFile (nsACString &aSource) +{ + aSource.Assign (mSourceFile); +} + +nsresult +GeckoPrintSession::SetSettings (GtkPrintSettings *aSettings, + GtkPageSetup *aPageSetup, + GtkPrinter *aPrinter) +{ + NS_ASSERTION (!mSettings && !mPageSetup && !mPrinter, "Already have settings!"); + + NS_ENSURE_ARG (aSettings); + mSettings = aSettings; /* this one is adopted */ + + NS_ENSURE_ARG (aPageSetup); + NS_ENSURE_ARG (aPrinter); + + mPageSetup = (GtkPageSetup *) g_object_ref (aPageSetup); + mPrinter = (GtkPrinter *) g_object_ref (aPrinter); + + /* Compute the source file name */ + if (gtk_print_settings_get_print_to_file (mSettings)) { + /* FIXME: support gnome-VFS uris here! */ + const char *fileURI = gtk_print_settings_get (aSettings, "export-uri"); + NS_ENSURE_TRUE (fileURI, NS_ERROR_FAILURE); + + char *fileName = g_filename_from_uri (fileURI, NULL, NULL); + NS_ENSURE_TRUE (fileURI, NS_ERROR_FAILURE); + + mSourceFile.Assign (fileName); + g_free (fileName); + } else { + char *base, *tmpName; + + /* FIXME: use pure glib here! */ + base = g_build_filename (ephy_file_tmp_dir (), "print-XXXXXX", (const char *) NULL); + tmpName = ephy_file_tmp_filename (base, "ps"); + g_free (base); + + NS_ENSURE_TRUE (tmpName, NS_ERROR_FAILURE); + mSourceFile.Assign (tmpName); + g_free (tmpName); + + mSourceFileIsTemp = PR_TRUE; + } + + return NS_OK; +} + +/* static methods */ + +/* static */ GeckoPrintSession * +GeckoPrintSession::FromSettings (nsIPrintSettings *aSettings) +{ + nsresult rv; + nsCOMPtr<nsIPrintSession> session; + rv = aSettings->GetPrintSession (getter_AddRefs (session)); + NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && session, nsnull); + + /* this is ok since the caller holds a ref to the settings which hold a ref to the session */ + nsIPrintSession *sessionPtr = session.get(); + return NS_STATIC_CAST (GeckoPrintSession*, sessionPtr); +} + +/* static functions */ + +static void +ReleaseSession (GeckoPrintSession *aSession) +{ + NS_RELEASE (aSession); +} + +static gboolean +ProgressDeleteCallback (GtkDialog *aDialog) +{ + gtk_dialog_response (aDialog, GTK_RESPONSE_DELETE_EVENT); + return TRUE; +} + +static void +ProgressResponseCallback (GtkDialog *aDialog, + int aResponse, + GeckoPrintSession *aSession) +{ + aSession->Cancel (); +} + +static gboolean +StartPrintIdleCallback (GeckoPrintSession *aSession) +{ + aSession->StartPrinting (); + + return FALSE; +} + +static void +JobStatusChangedCallback (GtkPrintJob *aJob, + GeckoPrintSession *aSession) +{ + aSession->JobStatusChanged (); +} + +static void +JobCompletedCallback (GtkPrintJob *aJob, + GeckoPrintSession *aSession, + GError *aError) +{ + aSession->JobDone (); + + if (aError) { + aSession->JobError (aError->message); + } +} + +/* Private methods */ + +void +GeckoPrintSession::SetProgress (PRInt32 aCurrent, + PRInt32 aMaximum) +{ + NS_ENSURE_TRUE (mProgressDialog, ); + + if (mCancelled) return; + + /* Mozilla is weird */ + if (aCurrent > aMaximum || (aCurrent == 100 && aMaximum == 100)) return; + + double fraction = 0.0; + if (aMaximum > 0 && aCurrent >= 0) { + char *text = g_strdup_printf (_("Page %d of %d"), aCurrent, aMaximum); + gtk_progress_bar_set_text (GTK_PROGRESS_BAR (mProgressBar), text); + g_free (text); + + fraction = (double) aCurrent / (double) aMaximum; + } + + gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (mProgressBar), CLAMP (fraction, 0.0, 1.0)); +} + +void +GeckoPrintSession::SetProgressText (const char *aText) +{ + NS_ENSURE_TRUE (mProgressDialog, ); + + gtk_progress_bar_set_text (GTK_PROGRESS_BAR (mProgressBar), aText); +} + +void +GeckoPrintSession::Cancel () +{ + SetProcessCanceledByUser (PR_TRUE); + + if (mProgressDialog) { + gtk_dialog_set_response_sensitive (GTK_DIALOG (mProgressDialog), + GTK_RESPONSE_CANCEL, FALSE); + + SetProgress (0, 0); + SetProgressText (_("Cancelling print")); + } + + if (mJob) { + /* FIXME: There's no way to cancel mJob! Bug #339323 */ + } +} + +void +GeckoPrintSession::StartPrinting () +{ + mStartPrintIdleID = 0; + + GError *error = NULL; + + /* FIXME: this could also be a print job to a file which was + * printed to a temp file and now needs to be uploaded to its + * final location with gnome-vfs. + */ + if (gtk_print_settings_get_print_to_file (mSettings)) return; + + NS_ENSURE_TRUE (mSettings && mPageSetup && mPrinter, ); + + mJob = gtk_print_job_new (mTitle.get (), + mPrinter, + mSettings, + mPageSetup); + if (!gtk_print_job_set_source_file (mJob, mSourceFile.get (), &error)) { + g_warning ("Couldn't set print job source: %s", error->message); + g_error_free (error); + + g_object_unref (mJob); + mJob = NULL; + + return; + } + + /* Keep us alive until the job is done! */ + NS_ADDREF_THIS (); + if (!gtk_print_job_send (mJob, + (GtkPrintJobCompleteFunc) JobCompletedCallback, + this, + (GDestroyNotify) ReleaseSession, + &error)) { + g_warning ("Couldn't start print job: %s", error->message); + g_error_free (error); + + g_object_unref (mJob); + mJob = NULL; + + NS_RELEASE_THIS (); + return; + }; + + g_signal_connect (mJob, "status-changed", + G_CALLBACK (JobStatusChangedCallback), this); +} + +void +GeckoPrintSession::JobStatusChanged () +{ + NS_ENSURE_TRUE (mProgressDialog, ); + + LOG ("print session %p status changed %d\n", this, gtk_print_job_get_status (mJob)); + + if (gtk_print_job_get_status (mJob) == GTK_PRINT_STATUS_SENDING_DATA) { + gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (mProgressBar), 0.75); + SetProgressText (_("Spooling...")); + } +} + +void +GeckoPrintSession::JobError (const char *aErrorMessage) +{ + LOG ("print job error: %s", aErrorMessage); + + /* FIXME better text */ + GtkWidget *dialog = gtk_message_dialog_new (NULL, + GtkDialogFlags (0), + GTK_MESSAGE_ERROR, + GTK_BUTTONS_OK, + _("Print error")); + gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), + "%s", aErrorMessage); + g_signal_connect (dialog, "response", + G_CALLBACK (gtk_widget_destroy), NULL); + + gtk_widget_show (dialog); +} + +void +GeckoPrintSession::JobDone () +{ + NS_ENSURE_TRUE (mProgressDialog, ); + + mDone = PR_TRUE; + + gtk_widget_hide (mProgressDialog); + + DestroyJob (); +} + +void +GeckoPrintSession::DestroyJob () +{ + NS_ENSURE_TRUE (mJob, ); + + g_signal_handlers_disconnect_by_func (mJob, (void*) JobStatusChangedCallback, this); + g_object_unref (mJob); + mJob = NULL; +} + +void +GeckoPrintSession::LaunchJobOnIdle () +{ + NS_ASSERTION (!mStartPrintIdleID, "Already started printing!"); + + /* Don't send the job to the printer if the user cancelled the print */ + if (mCancelled) return; + + /* Keep us alive until the idle handler runs! */ + NS_ADDREF_THIS (); + mStartPrintIdleID = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, + (GSourceFunc) StartPrintIdleCallback, + this, + (GDestroyNotify) ReleaseSession); +} + +/* XPCOM interfaces */ + +NS_IMPL_THREADSAFE_ISUPPORTS5 (GeckoPrintSession, + nsIPrintSession, + nsIWebProgressListener, + nsIPrintProgress, + nsIPrintProgressParams, + nsISupportsWeakReference) + +/* nsIPrintSession implementation */ + +/* nsIWebProgressListener implementation */ + +/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long aStateFlags, in nsresult aStatus); */ +NS_IMETHODIMP +GeckoPrintSession::OnStateChange (nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + PRUint32 aStateFlags, + nsresult aStatus) +{ + if (NS_SUCCEEDED (aStatus) && + aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT) { + if (aStateFlags & nsIWebProgressListener::STATE_START) { + /* Printing starts now */ + SetProgress (0, 0); + } else if ((aStateFlags & nsIWebProgressListener::STATE_STOP)) { + /* Printing done, upload to printer */ + LaunchJobOnIdle (); + } + } + + return NS_OK; +} + +/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */ +NS_IMETHODIMP +GeckoPrintSession::OnProgressChange (nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + PRInt32 aCurSelfProgress, + PRInt32 aMaxSelfProgress, + PRInt32 aCurTotalProgress, + PRInt32 aMaxTotalProgress) +{ + SetProgress (aCurTotalProgress, aMaxTotalProgress); + + return NS_OK; +} + +/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI aLocation); */ +NS_IMETHODIMP +GeckoPrintSession::OnLocationChange (nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + nsIURI *aLocation) +{ + NS_ASSERTION (0, "OnLocationChange reached!"); + return NS_OK; +} + +/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */ +NS_IMETHODIMP +GeckoPrintSession::OnStatusChange (nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + nsresult aStatus, + const PRUnichar *aMessage) +{ + NS_ASSERTION (0, "OnStatusChange reached!"); + return NS_OK; +} + +/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long aState); */ +NS_IMETHODIMP +GeckoPrintSession::OnSecurityChange (nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + PRUint32 aState) +{ + NS_ASSERTION (0, "OnSecurityChange reached!"); + return NS_OK; +} + +/* nsIPrintProgress implementation */ + +/* void openProgressDialog (in nsIDOMWindowInternal parent, in string dialogURL, in nsISupports parameters, in nsIObserver openDialogObserver, out boolean notifyOnOpen); */ +NS_IMETHODIMP +GeckoPrintSession::OpenProgressDialog (nsIDOMWindowInternal *aParent, + const char *aDialogURL, + nsISupports *aParameters, + nsIObserver *aOpenDialogObserver, + PRBool *_notifyOnOpen) +{ + NS_ENSURE_STATE (!mProgressDialog); + + nsCOMPtr<nsIDOMWindow> domWindow (do_QueryInterface (aParent)); + GtkWidget *parent = EphyUtils::FindGtkParent (domWindow); + + GtkWidget *vbox, *hbox, *image; + + mProgressDialog = gtk_dialog_new (); + GtkDialog *dialog = GTK_DIALOG (mProgressDialog); + + gtk_dialog_add_button (dialog, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL); + + g_signal_connect (dialog, "delete-event", + G_CALLBACK (ProgressDeleteCallback), NULL); + g_signal_connect (dialog, "response", + G_CALLBACK (ProgressResponseCallback), this); + + /* FIXME do we need transient? initially on top should suffice */ + gtk_window_set_transient_for (GTK_WINDOW (dialog), + GTK_WINDOW (parent)); + + gtk_dialog_set_has_separator (dialog, FALSE); + gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE); + gtk_container_set_border_width (GTK_CONTAINER (dialog), 5); + gtk_box_set_spacing (GTK_BOX (dialog->vbox), 14); /* 2 * 5 + 14 = 24 */ + gtk_box_set_spacing (GTK_BOX (dialog->action_area), 6); + + hbox = gtk_hbox_new (FALSE, 12); + gtk_container_set_border_width (GTK_CONTAINER (hbox), 5); + gtk_container_add (GTK_CONTAINER (dialog->vbox), hbox); + + image = gtk_image_new_from_stock (GTK_STOCK_PRINT, GTK_ICON_SIZE_DIALOG); + gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0); + gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0); + + vbox = gtk_vbox_new (FALSE, 12); + gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0); + + mTitleLabel = gtk_label_new (NULL); + gtk_label_set_line_wrap (GTK_LABEL (mTitleLabel), TRUE); + gtk_misc_set_alignment (GTK_MISC (mTitleLabel), 0.0, 0.0); + gtk_box_pack_start (GTK_BOX (vbox), mTitleLabel, FALSE, FALSE, 0); + + mProgressBar = gtk_progress_bar_new (); + gtk_box_pack_start (GTK_BOX (vbox), mProgressBar, FALSE, FALSE, 0); + + gtk_widget_show_all (hbox); + gtk_window_present (GTK_WINDOW (dialog)); + + *_notifyOnOpen = PR_FALSE; + + return NS_OK; +} + +/* void closeProgressDialog (in boolean forceClose); */ +NS_IMETHODIMP +GeckoPrintSession::CloseProgressDialog (PRBool forceClose) +{ + return NS_OK; +} + +/* void registerListener (in nsIWebProgressListener listener); */ +NS_IMETHODIMP +GeckoPrintSession::RegisterListener (nsIWebProgressListener *listener) +{ + return NS_OK; +} + +/* void unregisterListener (in nsIWebProgressListener listener); */ +NS_IMETHODIMP +GeckoPrintSession::UnregisterListener (nsIWebProgressListener *listener) +{ + return NS_OK; +} + +/* void doneIniting (); */ +NS_IMETHODIMP +GeckoPrintSession::DoneIniting() +{ + return NS_OK; +} + +/* nsIPrompt getPrompter (); */ +NS_IMETHODIMP +GeckoPrintSession::GetPrompter (nsIPrompt **_retval) +{ + g_return_val_if_reached (NS_ERROR_NOT_IMPLEMENTED); + return NS_ERROR_NOT_IMPLEMENTED; +} + +/* attribute boolean processCanceledByUser; */ +NS_IMETHODIMP +GeckoPrintSession::GetProcessCanceledByUser (PRBool *aProcessCanceledByUser) +{ + *aProcessCanceledByUser = mCancelled; + return NS_OK; +} +NS_IMETHODIMP +GeckoPrintSession::SetProcessCanceledByUser (PRBool aProcessCanceledByUser) +{ + mCancelled = aProcessCanceledByUser; + return NS_OK; +} + +/* nsIPrintProgressParams implementation */ + +/* attribute wstring docTitle; */ +NS_IMETHODIMP +GeckoPrintSession::GetDocTitle (PRUnichar * *aDocTitle) +{ + g_return_val_if_reached (NS_ERROR_NOT_IMPLEMENTED); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +GeckoPrintSession::SetDocTitle (const PRUnichar * aDocTitle) +{ + NS_ENSURE_STATE (mProgressDialog); + + char *converted = EphyUtils::ConvertUTF16toUTF8 (aDocTitle, MAX_STRING_LENGTH); + if (converted) { + mTitle.Assign (converted); + + char *title = g_strdup_printf (_("Printing “%s”"), converted); + gtk_window_set_title (GTK_WINDOW (mProgressDialog), title); + gtk_label_set_text (GTK_LABEL (mTitleLabel), title); + g_free (converted); + g_free (title); + } + return NS_OK; +} + +/* attribute wstring docURL; */ +NS_IMETHODIMP +GeckoPrintSession::GetDocURL (PRUnichar * *aDocURL) +{ + g_return_val_if_reached (NS_ERROR_NOT_IMPLEMENTED); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +GeckoPrintSession::SetDocURL (const PRUnichar * aDocURL) +{ +#if 0 + NS_ENSURE_STATE (mJob); + + char *converted = EphyUtils::ConvertUTF16toUTF8 (aDocTitle, MAX_STRING_LENGTH); + if (converted) { + g_free (converted); + } +#endif + return NS_OK; +} |