Virtual Cloud Print Driver for Mac.

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index b1e69241a059ef89a2bbc2758b5c40aac4a3cc82..ab0753f42843cb33adb85bd0e241065f5159fc7f 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -20,8 +20,11 @@
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/instant/instant_confirm_dialog.h"
 #include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/printing/print_dialog_cloud.h"
 #include "chrome/browser/printing/print_job_manager.h"
+#include "chrome/browser/printing/cloud_print/virtual_driver_install_helper.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/service/service_process_control.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sessions/session_service_factory.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
@@ -50,10 +53,12 @@
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/service_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/user_metrics.h"
+#include "content/common/cloud_print_class_mac.h"
 #include "content/common/content_notification_types.h"
 #include "content/common/notification_service.h"
 #include "grit/chromium_strings.h"
@@ -153,6 +158,10 @@ void RecordLastRunAppBundlePath() {
 
 }  // anonymous namespace
 
+const AEEventClass cloudPrintInstallClass = 'GCPi';
+const AEEventClass cloudPrintUninstallClass = 'GCPu';
+
+
 @interface AppController (Private)
 - (void)initMenuState;
 - (void)initProfileMenu;
@@ -161,6 +170,8 @@ void RecordLastRunAppBundlePath() {
 - (void)openUrls:(const std::vector<GURL>&)urls;
 - (void)getUrl:(NSAppleEventDescriptor*)event
      withReply:(NSAppleEventDescriptor*)reply;
+- (void)submitPrint:(NSAppleEventDescriptor*)event;
+- (void)installCloudPrint:(NSAppleEventDescriptor*)event;
 - (void)windowLayeringDidChange:(NSNotification*)inNotification;
 - (void)windowChangedToProfile:(Profile*)profile;
 - (void)checkForAnyKeyWindows;
@@ -173,6 +184,37 @@ void RecordLastRunAppBundlePath() {
 
 @synthesize startupComplete = startupComplete_;
 
+// Apple Event handler that receives print event from service
+// process, gets the required data and launches Print dialog

[Nico, 2011/07/22 16:53:55]

trailing .

+- (void)submitPrint:(NSAppleEventDescriptor*)event {
+  // Pull parameter list out of Apple Event.
+  NSAppleEventDescriptor *paramList =
+    [event paramDescriptorForKeyword:cloudPrintClass];

[Nico, 2011/07/22 16:53:55]

Indent 2 more

+
+  if (paramList != NULL) {
+    // Pull required fields out of parameter list.
+    NSString* mime = [[paramList descriptorAtIndex:1] stringValue];
+    NSString* inputPath = [[paramList descriptorAtIndex:2] stringValue];
+    NSString* printTitle = [[paramList descriptorAtIndex:3] stringValue];
+    // Convert the title to UTF 16 as required.
+    string16 title16 = UTF8ToUTF16([printTitle UTF8String]);

[Nico, 2011/07/22 16:53:55]

Use SysNSStringToUTF16() from base/sys_string_conversions.h instead

+    print_dialog_cloud::CreatePrintDialogForFile(
+          FilePath([inputPath UTF8String]),title16, [mime UTF8String], false);
+  }
+}
+
+// Calls the helper class to install the virtual driver to the
+// service process.
+- (void)installCloudPrint:(NSAppleEventDescriptor*)event {
+  cloud_print::VirtualDriverInstallHelper::SetUpInstall();
+}
+
+// Calls the helper class to uninstall the virtual driver to the
+// service process.
+- (void)uninstallCloudPrint:(NSAppleEventDescriptor*)event {
+  cloud_print::VirtualDriverInstallHelper::SetUpUninstall();
+}
+
 // This method is called very early in application startup (ie, before
 // the profile is loaded or any preferences have been registered). Defer any
 // user-data initialization until -applicationDidFinishLaunching:.
@@ -184,6 +226,19 @@ void RecordLastRunAppBundlePath() {
         forEventClass:kInternetEventClass
            andEventID:kAEGetURL];
   [em setEventHandler:self
+          andSelector:@selector(submitPrint:)
+        forEventClass:cloudPrintClass
+           andEventID:cloudPrintClass]; // Event handler for cloud print.
+  // Install and uninstall handlers for virtual drivers.
+  [em setEventHandler:self
+          andSelector:@selector(installCloudPrint:)
+        forEventClass:cloudPrintInstallClass
+           andEventID:cloudPrintInstallClass];
+  [em setEventHandler:self
+          andSelector:@selector(uninstallCloudPrint:)
+        forEventClass:cloudPrintUninstallClass
+           andEventID:cloudPrintUninstallClass];
+  [em setEventHandler:self
           andSelector:@selector(getUrl:withReply:)
         forEventClass:'WWW!'    // A particularly ancient AppleEvent that dates
            andEventID:'OURL'];  // back to the Spyglass days.