electron/atom/browser/native_browser_view_mac.mm
2017-08-09 15:21:58 -07:00

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// Copyright (c) 2017 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/native_browser_view_mac.h"
#include "brightray/browser/inspectable_web_contents_view.h"
#include "skia/ext/skia_utils_mac.h"
#include "ui/gfx/geometry/rect.h"
using base::scoped_nsobject;
// Match view::Views behavior where the view sticks to the top-left origin.
const NSAutoresizingMaskOptions kDefaultAutoResizingMask =
NSViewMaxXMargin | NSViewMinYMargin;
@interface DragRegionView : NSView
@end
@implementation DragRegionView
- (BOOL)mouseDownCanMoveWindow
{
return NO;
}
- (void)mouseDown:(NSEvent *)event
{
[self.window performWindowDragWithEvent:event];
}
// Debugging tips:
// Uncomment the following four lines to color DragRegionViews bright red
- (void)drawRect:(NSRect)aRect
{
[[NSColor redColor] set];
NSRectFill([self bounds]);
}
@end
namespace atom {
NativeBrowserViewMac::NativeBrowserViewMac(
brightray::InspectableWebContentsView* web_contents_view)
: NativeBrowserView(web_contents_view) {
auto* view = GetInspectableWebContentsView()->GetNativeView();
view.autoresizingMask = kDefaultAutoResizingMask;
}
NativeBrowserViewMac::~NativeBrowserViewMac() {}
void NativeBrowserViewMac::SetAutoResizeFlags(uint8_t flags) {
NSAutoresizingMaskOptions autoresizing_mask = kDefaultAutoResizingMask;
if (flags & kAutoResizeWidth) {
autoresizing_mask |= NSViewWidthSizable;
}
if (flags & kAutoResizeHeight) {
autoresizing_mask |= NSViewHeightSizable;
}
auto* view = GetInspectableWebContentsView()->GetNativeView();
view.autoresizingMask = autoresizing_mask;
}
void NativeBrowserViewMac::SetBounds(const gfx::Rect& bounds) {
auto* view = GetInspectableWebContentsView()->GetNativeView();
auto* superview = view.superview;
const auto superview_height = superview ? superview.frame.size.height : 0;
view.frame =
NSMakeRect(bounds.x(), superview_height - bounds.y() - bounds.height(),
bounds.width(), bounds.height());
}
void NativeBrowserViewMac::SetBackgroundColor(SkColor color) {
auto* view = GetInspectableWebContentsView()->GetNativeView();
view.wantsLayer = YES;
view.layer.backgroundColor = skia::CGColorCreateFromSkColor(color);
}
void NativeBrowserViewMac::UpdateDraggableRegions(
const std::vector<DraggableRegion>& regions) {
NSView* webView = GetInspectableWebContentsView()->GetNativeView();
NSInteger webViewHeight = NSHeight([webView bounds]);
// Remove all DraggableRegionViews that are added last time.
// Note that [webView subviews] returns the view's mutable internal array and
// it should be copied to avoid mutating the original array while enumerating
// it.
base::scoped_nsobject<NSArray> subviews([[webView subviews] copy]);
for (NSView* subview in subviews.get())
if ([subview isKindOfClass:[DragRegionView class]])
[subview removeFromSuperview];
for (const DraggableRegion& region : regions) {
base::scoped_nsobject<NSView> dragRegion(
[[DragRegionView alloc] initWithFrame:NSZeroRect]);
[dragRegion setFrame:NSMakeRect(region.bounds.x(),
webViewHeight - region.bounds.bottom(),
region.bounds.width(),
region.bounds.height())];
[webView addSubview:dragRegion];
}
}
// static
NativeBrowserView* NativeBrowserView::Create(
brightray::InspectableWebContentsView* web_contents_view) {
return new NativeBrowserViewMac(web_contents_view);
}
} // namespace atom