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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
#import "Utility.h"
@implementation Utility
+ (BOOL)isPad {
return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
}
+ (BOOL)isInLandscapeMode {
UIInterfaceOrientation orientation =
[UIApplication sharedApplication].statusBarOrientation;
if ((orientation == UIInterfaceOrientationLandscapeLeft) ||
(orientation == UIInterfaceOrientationLandscapeRight)) {
return YES;
}
return NO;
}
+ (CGSize)getOrientatedSize:(CGSize)size
shouldWidthBeLongestSide:(BOOL)shouldWidthBeLongestSide {
if (shouldWidthBeLongestSide && (size.height > size.width)) {
return CGSizeMake(size.height, size.width);
}
return size;
}
+ (void)showAlert:(NSString*)title message:(NSString*)message {
UIAlertView* alert;
alert = [[UIAlertView alloc] init];
alert.title = title;
alert.message = message;
alert.delegate = nil;
[alert addButtonWithTitle:@"OK"];
[alert show];
}
+ (NSString*)appVersionNumberDisplayString {
NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* majorVersion =
[infoDictionary objectForKey:@"CFBundleShortVersionString"];
NSString* minorVersion = [infoDictionary objectForKey:@"CFBundleVersion"];
return [NSString
stringWithFormat:@"Version %@ (%@)", majorVersion, minorVersion];
}
+ (void)bindTextureForIOS:(GLuint)glName {
glBindTexture(GL_TEXTURE_2D, glName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
+ (void)logGLErrorCode:(NSString*)funcName {
GLenum errorCode = 1;
while (errorCode != 0) {
errorCode = glGetError(); // I don't know why this is returning an error
// on the first call to this function, but if I
// don't read it, then stuff doesn't work...
#if DEBUG
if (errorCode != 0) {
NSLog(@"glerror in %@: %X", funcName, errorCode);
}
#endif // DEBUG
}
}
+ (void)drawSubRectToGLFromRectOfSize:(const webrtc::DesktopSize&)rectSize
subRect:(const webrtc::DesktopRect&)subRect
data:(const uint8_t*)data {
DCHECK(rectSize.width() >= subRect.width());
DCHECK(rectSize.height() >= subRect.height());
DCHECK(rectSize.width() >= (subRect.left() + subRect.width()));
DCHECK(rectSize.height() >= (subRect.top() + subRect.height()));
DCHECK(data);
glTexSubImage2D(GL_TEXTURE_2D,
0,
subRect.left(),
subRect.top(),
subRect.width(),
subRect.height(),
GL_RGBA,
GL_UNSIGNED_BYTE,
data);
}
+ (void)moveMouse:(HostProxy*)controller
at:(const webrtc::DesktopVector&)point {
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:0
buttonDown:NO];
}
+ (void)leftClickOn:(HostProxy*)controller
at:(const webrtc::DesktopVector&)point {
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:1
buttonDown:YES];
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:1
buttonDown:NO];
}
+ (void)middleClickOn:(HostProxy*)controller
at:(const webrtc::DesktopVector&)point {
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:2
buttonDown:YES];
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:2
buttonDown:NO];
}
+ (void)rightClickOn:(HostProxy*)controller
at:(const webrtc::DesktopVector&)point {
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:3
buttonDown:YES];
[controller mouseAction:point
wheelDelta:webrtc::DesktopVector(0, 0)
whichButton:3
buttonDown:NO];
}
+ (void)mouseScroll:(HostProxy*)controller
at:(const webrtc::DesktopVector&)point
delta:(const webrtc::DesktopVector&)delta {
[controller mouseAction:point wheelDelta:delta whichButton:0 buttonDown:NO];
}
@end
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