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Mac SCR: Add a test to directly determine when a graphics application window obscures our moving logo animation; if so, stop showing moving logo to avoid wasting CPU cycles. 

svn path=/trunk/boinc/; revision=14806
This commit is contained in:
Charlie Fenton 2008-02-27 07:50:58 +00:00
parent db06f506dd
commit e447bb17df
2 changed files with 18 additions and 5 deletions
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5
clientscr/Mac_Saver_ModuleView.m
View File

@ -220,8 +220,9 @@ int signof(float x) {
newFrequency = getSSMessage(&msg, &coveredFreq);
// NOTE: My tests seem to confirm that the first window returned by NSWindowList
// is always the top window. However, Apple's documentation is unclear whether
// we can depend on this. So I am adding some safety by doing two things:
// is always the top window under OS 10.5, but not under earlier systems. However,
// Apple's documentation is unclear whether we can depend on this. So I have added
// some safety by doing two things:
// [1] Only use the NSWindowList test when we have started project graphics.
// [2] Assume that our window is covered 45 seconds after starting project
// graphics even if the NSWindowList test did not indicate that is so.

18
clientscr/mac_saver_module.cpp
View File

@ -78,6 +78,8 @@ extern CFStringRef gPathToBundleResources;
static SaverState saverState = SaverState_Idle;
// int gQuitCounter = 0;
static long gSystemVersion = 0;
const char * CantLaunchCCMsg = "Unable to launch BOINC application.";
const char * LaunchingCCMsg = "Launching BOINC application.";
@ -119,6 +121,7 @@ void closeBOINCSaver() {
}
CScreensaver::CScreensaver() {
OSStatus err;
m_dwBlankScreen = 0;
m_dwBlankTime = 0;
@ -144,6 +147,11 @@ CScreensaver::CScreensaver() {
m_hGraphicsApplication = NULL;
m_bResetCoreState = TRUE;
rpc = 0;
err = Gestalt(gestaltSystemVersion, &gSystemVersion);
if (err != noErr) {
gSystemVersion = 0;
}
}
@ -342,8 +350,9 @@ int CScreensaver::getSSMessage(char **theMessage, int* coveredFreq) {
case SCRAPPERR_SCREENSAVERRUNNING:
#if ! ALWAYS_DISPLAY_PROGRESS_TEXT
// NOTE: My tests seem to confirm that the first window returned by NSWindowList
// is always the top window. However, Apple's documentation is unclear whether
// we can depend on this. So I am adding some safety by doing two things:
// is always the top window under OS 10.5, but not under earlier systems. However,
// Apple's documentation is unclear whether we can depend on this. So I have added
// some safety by doing two things:
// [1] Only use the NSWindowList test when we have started project graphics.
// [2] Assume that our window is covered 45 seconds after starting project
// graphics even if the NSWindowList test did not indicate that is so.
@ -353,7 +362,10 @@ int CScreensaver::getSSMessage(char **theMessage, int* coveredFreq) {
//
// Tell the calling routine to set the frame rate to NOTEXTLOGOFREQUENCY if
// NSWindowList indicates that science app graphics window has covered our window.
*coveredFreq = NOTEXTLOGOFREQUENCY;
if (gSystemVersion >= 0x1050) {
*coveredFreq = NOTEXTLOGOFREQUENCY;
}
if (m_iGraphicsStartingMsgCounter > 0) {
// Show ScreenSaverAppStartingMsg for GFX_STARTING_MSG_DURATION seconds or until
// NSWindowList indicates that science app graphics window has covered our window