MACOSX: Create screenshot on Desktop

This is consistent with the OS shortcut (Crtl+Shift+3) to take a
screenshot.

4 files changed, 27 insertions, 0 deletions

diff --git a/backends/platform/sdl/macosx/macosx.cpp b/backends/platform/sdl/macosx/macosx.cpp
index e90d459e67..500e438ec0 100644
--- a/backends/platform/sdl/macosx/macosx.cpp
+++ b/backends/platform/sdl/macosx/macosx.cpp
@@ -187,6 +187,13 @@ Common::String OSystem_MacOSX::getSystemLanguage() const {
 #endif // USE_DETECTLANG
 }
 
+Common::String OSystem_MacOSX::getScreenshotsPath() {
+	Common::String path = getDesktopPathMacOSX();
+	if (!path.empty() && !path.hasSuffix("/"))
+		path += "/";
+	return path;
+}
+
 AudioCDManager *OSystem_MacOSX::createAudioCDManager() {
 	return createMacOSXAudioCDManager();
 }
diff --git a/backends/platform/sdl/macosx/macosx.h b/backends/platform/sdl/macosx/macosx.h
index 72bb4a4787..ba07364681 100644
--- a/backends/platform/sdl/macosx/macosx.h
+++ b/backends/platform/sdl/macosx/macosx.h
@@ -44,6 +44,9 @@ public:
 	virtual void initBackend();
 	virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0);
 
+	//Screenshots
+	virtual Common::String getScreenshotsPath();
+
 protected:
 	// Override createAudioCDManager() to get our Mac-specific
 	// version.
diff --git a/backends/platform/sdl/macosx/macosx_wrapper.h b/backends/platform/sdl/macosx/macosx_wrapper.h
index 3b346fc486..84f0c1b2ba 100644
--- a/backends/platform/sdl/macosx/macosx_wrapper.h
+++ b/backends/platform/sdl/macosx/macosx_wrapper.h
@@ -27,5 +27,6 @@
 
 bool hasTextInClipboardMacOSX();
 Common::String getTextFromClipboardMacOSX();
+Common::String getDesktopPathMacOSX();
 
 #endif
diff --git a/backends/platform/sdl/macosx/macosx_wrapper.mm b/backends/platform/sdl/macosx/macosx_wrapper.mm
index 8ec9eac5ac..5de3eb6bac 100644
--- a/backends/platform/sdl/macosx/macosx_wrapper.mm
+++ b/backends/platform/sdl/macosx/macosx_wrapper.mm
@@ -27,6 +27,8 @@
 
 #include <AppKit/NSPasteboard.h>
 #include <Foundation/NSArray.h>
+#include <Foundation/NSPathUtilities.h>
+#include <AvailabilityMacros.h>
 
 bool hasTextInClipboardMacOSX() {
 	return [[NSPasteboard generalPasteboard] availableTypeFromArray:[NSArray arrayWithObject:NSStringPboardType]] != nil;
@@ -46,3 +48,17 @@ Common::String getTextFromClipboardMacOSX() {
 	// we should use NSISOLatin1StringEncoding?).
 	return Common::String([str cStringUsingEncoding:NSASCIIStringEncoding]);
 }
+
+Common::String getDesktopPathMacOSX() {
+	// The recommanded method is to use NSFileManager.
+	// NSUrl *url = [[[NSFileManager defaultManager] URLsForDirectory:NSDesktopDirectory inDomains:NSUserDomainMask] firstObject];
+	// However it is only available in OS X 10.6+. So use NSSearchPathForDirectoriesInDomains instead (available since OS X 10.0)
+	// [NSArray firstObject] is also only available in OS X 10.6+. So we need to use [NSArray count] and [NSArray objectAtIndex:]
+	NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDesktopDirectory, NSUserDomainMask, NO);
+	if ([paths count] == 0)
+		return Common::String();
+	NSString *path = [paths objectAtIndex:0];
+	if (path == nil)
+		return Common::String();
+	return Common::String([path cStringUsingEncoding:NSASCIIStringEncoding]);
+}
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