ios/chrome/browser/memory/memory_debugger.mm - Issue 2917193002: [ObjC ARC] Converts ios/chrome/browser/memory:memory to ARC.

Unified Diff: ios/chrome/browser/memory/memory_debugger.mm

Issue 2917193002: [ObjC ARC] Converts ios/chrome/browser/memory:memory to ARC. (Closed)

Patch Set: Use __weak Created 3 years, 6 months ago

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Index: ios/chrome/browser/memory/memory_debugger.mm

diff --git a/ios/chrome/browser/memory/memory_debugger.mm b/ios/chrome/browser/memory/memory_debugger.mm

index 6d41fbe54034c476dd4a852e6d4e5fe394e62f19..35b880e054517319fc98dd082a76eab0c1adcbe6 100644

--- a/ios/chrome/browser/memory/memory_debugger.mm

+++ b/ios/chrome/browser/memory/memory_debugger.mm

@@ -8,11 +8,14 @@

#include <memory>

-#import "base/mac/scoped_nsobject.h"

#import "ios/chrome/browser/memory/memory_metrics.h"

#include "ios/chrome/browser/ui/ui_util.h"

#import "ios/chrome/browser/ui/uikit_ui_util.h"

+#if !defined(__has_feature) || !__has_feature(objc_arc)

+#error "This file requires ARC support."

+#endif

namespace {

// The number of bytes in a megabyte.

const CGFloat kNumBytesInMB = 1024 * 1024;

@@ -22,24 +25,24 @@ const CGFloat kPadding = 10;

@implementation MemoryDebugger {

// A timer to trigger refreshes.

- base::scoped_nsobject<NSTimer> _refreshTimer;

+ NSTimer* _refreshTimer;

// A timer to trigger continuous memory warnings.

- base::scoped_nsobject<NSTimer> _memoryWarningTimer;

+ NSTimer* _memoryWarningTimer;

// The font to use.

- base::scoped_nsobject<UIFont> _font;

+ UIFont* _font;

// Labels for memory metrics.

- base::scoped_nsobject<UILabel> _physicalFreeMemoryLabel;

- base::scoped_nsobject<UILabel> _realMemoryUsedLabel;

- base::scoped_nsobject<UILabel> _xcodeGaugeLabel;

- base::scoped_nsobject<UILabel> _dirtyVirtualMemoryLabel;

+ UILabel* _physicalFreeMemoryLabel;

+ UILabel* _realMemoryUsedLabel;

+ UILabel* _xcodeGaugeLabel;

+ UILabel* _dirtyVirtualMemoryLabel;

// Inputs for memory commands.

- base::scoped_nsobject<UITextField> _bloatField;

- base::scoped_nsobject<UITextField> _refreshField;

- base::scoped_nsobject<UITextField> _continuousMemoryWarningField;

+ UITextField* _bloatField;

+ UITextField* _refreshField;

+ UITextField* _continuousMemoryWarningField;

// A place to store the artifical memory bloat.

std::unique_ptr<uint8_t> _bloat;

@@ -54,7 +57,7 @@ const CGFloat kPadding = 10;

- (instancetype)init {

self = [super initWithFrame:CGRectZero];

if (self) {

- _font.reset([[UIFont systemFontOfSize:14] retain]);

+ _font = [UIFont systemFontOfSize:14];

self.backgroundColor = [UIColor colorWithWhite:0.8f alpha:0.9f];

self.opaque = NO;

@@ -74,7 +77,6 @@ const CGFloat kPadding = 10;

- (void)dealloc {

[[NSNotificationCenter defaultCenter] removeObserver:self];

- [super dealloc];

}

#pragma mark UIView methods

@@ -97,19 +99,19 @@ const CGFloat kPadding = 10;

NSUInteger index = 0;

// Display some metrics.

- _physicalFreeMemoryLabel.reset([[UILabel alloc] initWithFrame:CGRectZero]);

+ _physicalFreeMemoryLabel = [[UILabel alloc] initWithFrame:CGRectZero];

[self addMetricWithName:@"Physical Free"

atIndex:index++

usingLabel:_physicalFreeMemoryLabel];

- _realMemoryUsedLabel.reset([[UILabel alloc] initWithFrame:CGRectZero]);

+ _realMemoryUsedLabel = [[UILabel alloc] initWithFrame:CGRectZero];

[self addMetricWithName:@"Real Memory Used"

atIndex:index++

usingLabel:_realMemoryUsedLabel];

- _xcodeGaugeLabel.reset([[UILabel alloc] initWithFrame:CGRectZero]);

+ _xcodeGaugeLabel = [[UILabel alloc] initWithFrame:CGRectZero];

[self addMetricWithName:@"Xcode Gauge"

atIndex:index++

usingLabel:_xcodeGaugeLabel];

- _dirtyVirtualMemoryLabel.reset([[UILabel alloc] initWithFrame:CGRectZero]);

+ _dirtyVirtualMemoryLabel = [[UILabel alloc] initWithFrame:CGRectZero];

[self addMetricWithName:@"Dirty VM"

atIndex:index++

usingLabel:_dirtyVirtualMemoryLabel];

@@ -130,7 +132,7 @@ const CGFloat kPadding = 10;

// Display a text input to set the amount of artificial memory bloat and a

// button to reset the bloat to zero.

- _bloatField.reset([[UITextField alloc] initWithFrame:CGRectZero]);

+ _bloatField = [[UITextField alloc] initWithFrame:CGRectZero];

[self addLabelWithText:@"Set bloat (MB)"

input:_bloatField

inputTarget:self

@@ -148,8 +150,8 @@ const CGFloat kPadding = 10;

// like them) in official builds.

#if CHROMIUM_BUILD

// Display a text input to control the rate of continuous memory warnings.

- _continuousMemoryWarningField.reset(

- [[UITextField alloc] initWithFrame:CGRectZero]);

+ _continuousMemoryWarningField =

+ [[UITextField alloc] initWithFrame:CGRectZero];

[self addLabelWithText:@"Set memory warning interval (secs)"

input:_continuousMemoryWarningField

inputTarget:self

@@ -159,7 +161,7 @@ const CGFloat kPadding = 10;

#endif // CHROMIUM_BUILD

// Display a text input to control the refresh rate of the memory debugger.

- _refreshField.reset([[UITextField alloc] initWithFrame:CGRectZero]);

+ _refreshField = [[UITextField alloc] initWithFrame:CGRectZero];

[self addLabelWithText:@"Set refresh interval (secs)"

input:_refreshField

inputTarget:self

@@ -204,8 +206,7 @@ const CGFloat kPadding = 10;

CGPoint nameOrigin = [self originForSubviewAtIndex:index];

CGRect nameFrame =

CGRectMake(nameOrigin.x, nameOrigin.y, kNameWidth, [_font lineHeight]);

- base::scoped_nsobject<UILabel> nameLabel(

- [[UILabel alloc] initWithFrame:nameFrame]);

+ UILabel* nameLabel = [[UILabel alloc] initWithFrame:nameFrame];

[nameLabel setText:[NSString stringWithFormat:@"%@: ", name]];

[nameLabel setFont:_font];

[self addSubview:nameLabel];

@@ -221,8 +222,7 @@ const CGFloat kPadding = 10;

target:(id)target

action:(SEL)action

withOrigin:(CGPoint)origin {

- base::scoped_nsobject<UIButton> button(

- [[UIButton buttonWithType:UIButtonTypeSystem] retain]);

+ UIButton* button = [UIButton buttonWithType:UIButtonTypeSystem];

[button setTitle:title forState:UIControlStateNormal];

[button titleLabel].font = _font;

[[button titleLabel] setTextAlignment:NSTextAlignmentCenter];

@@ -274,8 +274,7 @@ const CGFloat kPadding = 10;

buttonTarget:(id)buttonTarget

buttonAction:(SEL)buttonAction

atIndex:(NSUInteger)index {

- base::scoped_nsobject<UILabel> label(

- [[UILabel alloc] initWithFrame:CGRectZero]);

+ UILabel* label = [[UILabel alloc] initWithFrame:CGRectZero];

if (labelText) {

[label setText:[NSString stringWithFormat:@"%@: ", labelText]];

}

@@ -467,12 +466,11 @@ const CGFloat kPadding = 10;

return;

}

[_refreshTimer invalidate];

- _refreshTimer.reset(

- [[NSTimer scheduledTimerWithTimeInterval:refreshTimerValue

- target:self

- selector:@selector(refresh:)

- userInfo:nil

- repeats:YES] retain]);

+ _refreshTimer = [NSTimer scheduledTimerWithTimeInterval:refreshTimerValue

+ target:self

+ selector:@selector(refresh:)

+ userInfo:nil

+ repeats:YES];

}

#pragma mark Memory warning interval methods

@@ -509,12 +507,12 @@ const CGFloat kPadding = 10;

// memory warnings.

#pragma clang diagnostic push

#pragma clang diagnostic ignored "-Wundeclared-selector"

- _memoryWarningTimer.reset(

- [[NSTimer scheduledTimerWithTimeInterval:timerValue

- target:[UIApplication sharedApplication]

- selector:@selector(_performMemoryWarning)

- userInfo:nil

- repeats:YES] retain]);

+ _memoryWarningTimer =

+ [NSTimer scheduledTimerWithTimeInterval:timerValue

+ target:[UIApplication sharedApplication]

+ selector:@selector(_performMemoryWarning)

+ userInfo:nil

+ repeats:YES];

#pragma clang diagnostic push

}

#endif // CHROMIUM_BUILD

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