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native_window_mac.mm
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native_window_mac.mm
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// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/native_window_mac.h"
#include <AvailabilityMacros.h>
#include <objc/objc-runtime.h>
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/mac/mac_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/strings/sys_string_conversions.h"
#include "components/remote_cocoa/app_shim/native_widget_ns_window_bridge.h"
#include "components/remote_cocoa/browser/scoped_cg_window_id.h"
#include "content/public/browser/browser_accessibility_state.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/desktop_media_id.h"
#include "shell/browser/browser.h"
#include "shell/browser/javascript_environment.h"
#include "shell/browser/native_browser_view_mac.h"
#include "shell/browser/ui/cocoa/electron_native_widget_mac.h"
#include "shell/browser/ui/cocoa/electron_ns_window.h"
#include "shell/browser/ui/cocoa/electron_ns_window_delegate.h"
#include "shell/browser/ui/cocoa/electron_preview_item.h"
#include "shell/browser/ui/cocoa/electron_touch_bar.h"
#include "shell/browser/ui/cocoa/root_view_mac.h"
#include "shell/browser/ui/cocoa/window_buttons_proxy.h"
#include "shell/browser/ui/drag_util.h"
#include "shell/browser/ui/inspectable_web_contents.h"
#include "shell/browser/window_list.h"
#include "shell/common/gin_converters/gfx_converter.h"
#include "shell/common/gin_helper/dictionary.h"
#include "shell/common/node_includes.h"
#include "shell/common/options_switches.h"
#include "shell/common/process_util.h"
#include "skia/ext/skia_utils_mac.h"
#include "third_party/skia/include/core/SkRegion.h"
#include "third_party/webrtc/modules/desktop_capture/mac/window_list_utils.h"
#include "ui/base/hit_test.h"
#include "ui/display/screen.h"
#include "ui/gfx/skia_util.h"
#include "ui/gl/gpu_switching_manager.h"
#include "ui/views/background.h"
#include "ui/views/cocoa/native_widget_mac_ns_window_host.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/native_frame_view_mac.h"
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
@interface ElectronProgressBar : NSProgressIndicator
@end
@implementation ElectronProgressBar
- (void)drawRect:(NSRect)dirtyRect {
if (self.style != NSProgressIndicatorStyleBar)
return;
// Draw edges of rounded rect.
NSRect rect = NSInsetRect([self bounds], 1.0, 1.0);
CGFloat radius = rect.size.height / 2;
NSBezierPath* bezier_path = [NSBezierPath bezierPathWithRoundedRect:rect
xRadius:radius
yRadius:radius];
[bezier_path setLineWidth:2.0];
[[NSColor grayColor] set];
[bezier_path stroke];
// Fill the rounded rect.
rect = NSInsetRect(rect, 2.0, 2.0);
radius = rect.size.height / 2;
bezier_path = [NSBezierPath bezierPathWithRoundedRect:rect
xRadius:radius
yRadius:radius];
[bezier_path setLineWidth:1.0];
[bezier_path addClip];
// Calculate the progress width.
rect.size.width =
floor(rect.size.width * ([self doubleValue] / [self maxValue]));
// Fill the progress bar with color blue.
[[NSColor colorWithSRGBRed:0.2 green:0.6 blue:1 alpha:1] set];
NSRectFill(rect);
}
@end
namespace gin {
template <>
struct Converter<electron::NativeWindowMac::VisualEffectState> {
static bool FromV8(v8::Isolate* isolate,
v8::Handle<v8::Value> val,
electron::NativeWindowMac::VisualEffectState* out) {
using VisualEffectState = electron::NativeWindowMac::VisualEffectState;
std::string visual_effect_state;
if (!ConvertFromV8(isolate, val, &visual_effect_state))
return false;
if (visual_effect_state == "followWindow") {
*out = VisualEffectState::kFollowWindow;
} else if (visual_effect_state == "active") {
*out = VisualEffectState::kActive;
} else if (visual_effect_state == "inactive") {
*out = VisualEffectState::kInactive;
} else {
return false;
}
return true;
}
};
} // namespace gin
namespace electron {
namespace {
bool IsFramelessWindow(NSView* view) {
NSWindow* nswindow = [view window];
if (![nswindow respondsToSelector:@selector(shell)])
return false;
NativeWindow* window = [static_cast<ElectronNSWindow*>(nswindow) shell];
return window && !window->has_frame();
}
IMP original_set_frame_size = nullptr;
IMP original_view_did_move_to_superview = nullptr;
// This method is directly called by NSWindow during a window resize on OSX
// 10.10.0, beta 2. We must override it to prevent the content view from
// shrinking.
void SetFrameSize(NSView* self, SEL _cmd, NSSize size) {
if (!IsFramelessWindow(self)) {
auto original =
reinterpret_cast<decltype(&SetFrameSize)>(original_set_frame_size);
return original(self, _cmd, size);
}
// For frameless window, resize the view to cover full window.
if ([self superview])
size = [[self superview] bounds].size;
auto super_impl = reinterpret_cast<decltype(&SetFrameSize)>(
[[self superclass] instanceMethodForSelector:_cmd]);
super_impl(self, _cmd, size);
}
// The contentView gets moved around during certain full-screen operations.
// This is less than ideal, and should eventually be removed.
void ViewDidMoveToSuperview(NSView* self, SEL _cmd) {
if (!IsFramelessWindow(self)) {
// [BridgedContentView viewDidMoveToSuperview];
auto original = reinterpret_cast<decltype(&ViewDidMoveToSuperview)>(
original_view_did_move_to_superview);
if (original)
original(self, _cmd);
return;
}
[self setFrame:[[self superview] bounds]];
}
// -[NSWindow orderWindow] does not handle reordering for children
// windows. Their order is fixed to the attachment order (the last attached
// window is on the top). Therefore, work around it by re-parenting in our
// desired order.
void ReorderChildWindowAbove(NSWindow* child_window, NSWindow* other_window) {
NSWindow* parent = [child_window parentWindow];
DCHECK(parent);
// `ordered_children` sorts children windows back to front.
NSArray<NSWindow*>* children = [[child_window parentWindow] childWindows];
std::vector<std::pair<NSInteger, NSWindow*>> ordered_children;
for (NSWindow* child in children)
ordered_children.push_back({[child orderedIndex], child});
std::sort(ordered_children.begin(), ordered_children.end(), std::greater<>());
// If `other_window` is nullptr, place `child_window` in front of
// all other children windows.
if (other_window == nullptr)
other_window = ordered_children.back().second;
if (child_window == other_window)
return;
for (NSWindow* child in children)
[parent removeChildWindow:child];
const bool relative_to_parent = parent == other_window;
if (relative_to_parent)
[parent addChildWindow:child_window ordered:NSWindowAbove];
// Re-parent children windows in the desired order.
for (auto [ordered_index, child] : ordered_children) {
if (child != child_window && child != other_window) {
[parent addChildWindow:child ordered:NSWindowAbove];
} else if (child == other_window && !relative_to_parent) {
[parent addChildWindow:other_window ordered:NSWindowAbove];
[parent addChildWindow:child_window ordered:NSWindowAbove];
}
}
}
} // namespace
NativeWindowMac::NativeWindowMac(const gin_helper::Dictionary& options,
NativeWindow* parent)
: NativeWindow(options, parent), root_view_(new RootViewMac(this)) {
ui::NativeTheme::GetInstanceForNativeUi()->AddObserver(this);
display::Screen::GetScreen()->AddObserver(this);
int width = 800, height = 600;
options.Get(options::kWidth, &width);
options.Get(options::kHeight, &height);
NSRect main_screen_rect = [[[NSScreen screens] firstObject] frame];
gfx::Rect bounds(round((NSWidth(main_screen_rect) - width) / 2),
round((NSHeight(main_screen_rect) - height) / 2), width,
height);
bool resizable = true;
options.Get(options::kResizable, &resizable);
options.Get(options::kZoomToPageWidth, &zoom_to_page_width_);
options.Get(options::kSimpleFullScreen, &always_simple_fullscreen_);
options.GetOptional(options::kTrafficLightPosition, &traffic_light_position_);
options.Get(options::kVisualEffectState, &visual_effect_state_);
if (options.Has(options::kFullscreenWindowTitle)) {
EmitWarning(
node::Environment::GetCurrent(JavascriptEnvironment::GetIsolate()),
"\"fullscreenWindowTitle\" option has been deprecated and is "
"no-op now.",
"electron");
}
bool minimizable = true;
options.Get(options::kMinimizable, &minimizable);
bool maximizable = true;
options.Get(options::kMaximizable, &maximizable);
bool closable = true;
options.Get(options::kClosable, &closable);
std::string tabbingIdentifier;
options.Get(options::kTabbingIdentifier, &tabbingIdentifier);
std::string windowType;
options.Get(options::kType, &windowType);
bool hiddenInMissionControl = false;
options.Get(options::kHiddenInMissionControl, &hiddenInMissionControl);
bool useStandardWindow = true;
// eventually deprecate separate "standardWindow" option in favor of
// standard / textured window types
options.Get(options::kStandardWindow, &useStandardWindow);
if (windowType == "textured") {
useStandardWindow = false;
}
// The window without titlebar is treated the same with frameless window.
if (title_bar_style_ != TitleBarStyle::kNormal)
set_has_frame(false);
NSUInteger styleMask = NSWindowStyleMaskTitled;
// The NSWindowStyleMaskFullSizeContentView style removes rounded corners
// for frameless window.
bool rounded_corner = true;
options.Get(options::kRoundedCorners, &rounded_corner);
if (!rounded_corner && !has_frame())
styleMask = NSWindowStyleMaskBorderless;
if (minimizable)
styleMask |= NSWindowStyleMaskMiniaturizable;
if (closable)
styleMask |= NSWindowStyleMaskClosable;
if (resizable)
styleMask |= NSWindowStyleMaskResizable;
if (!useStandardWindow || transparent() || !has_frame())
styleMask |= NSWindowStyleMaskTexturedBackground;
// Create views::Widget and assign window_ with it.
// TODO(zcbenz): Get rid of the window_ in future.
views::Widget::InitParams params;
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.bounds = bounds;
params.delegate = this;
params.type = views::Widget::InitParams::TYPE_WINDOW;
params.native_widget =
new ElectronNativeWidgetMac(this, windowType, styleMask, widget());
widget()->Init(std::move(params));
SetCanResize(resizable);
window_ = static_cast<ElectronNSWindow*>(
widget()->GetNativeWindow().GetNativeNSWindow());
RegisterDeleteDelegateCallback(base::BindOnce(
[](NativeWindowMac* window) {
if (window->window_)
window->window_ = nil;
if (window->buttons_proxy_)
window->buttons_proxy_ = nil;
},
this));
[window_ setEnableLargerThanScreen:enable_larger_than_screen()];
window_delegate_ = [[ElectronNSWindowDelegate alloc] initWithShell:this];
[window_ setDelegate:window_delegate_];
// Only use native parent window for non-modal windows.
if (parent && !is_modal()) {
SetParentWindow(parent);
}
if (transparent()) {
// Setting the background color to clear will also hide the shadow.
[window_ setBackgroundColor:[NSColor clearColor]];
}
if (windowType == "desktop") {
[window_ setLevel:kCGDesktopWindowLevel - 1];
[window_ setDisableKeyOrMainWindow:YES];
[window_ setCollectionBehavior:(NSWindowCollectionBehaviorCanJoinAllSpaces |
NSWindowCollectionBehaviorStationary |
NSWindowCollectionBehaviorIgnoresCycle)];
}
if (windowType == "panel") {
[window_ setLevel:NSFloatingWindowLevel];
}
bool focusable;
if (options.Get(options::kFocusable, &focusable) && !focusable)
[window_ setDisableKeyOrMainWindow:YES];
if (transparent() || !has_frame()) {
// Don't show title bar.
[window_ setTitlebarAppearsTransparent:YES];
[window_ setTitleVisibility:NSWindowTitleHidden];
// Remove non-transparent corners, see
// https://github.com/electron/electron/issues/517.
[window_ setOpaque:NO];
// Show window buttons if titleBarStyle is not "normal".
if (title_bar_style_ == TitleBarStyle::kNormal) {
InternalSetWindowButtonVisibility(false);
} else {
buttons_proxy_ = [[WindowButtonsProxy alloc] initWithWindow:window_];
[buttons_proxy_ setHeight:titlebar_overlay_height()];
if (traffic_light_position_) {
[buttons_proxy_ setMargin:*traffic_light_position_];
} else if (title_bar_style_ == TitleBarStyle::kHiddenInset) {
// For macOS >= 11, while this value does not match official macOS apps
// like Safari or Notes, it matches titleBarStyle's old implementation
// before Electron <= 12.
[buttons_proxy_ setMargin:gfx::Point(12, 11)];
}
if (title_bar_style_ == TitleBarStyle::kCustomButtonsOnHover) {
[buttons_proxy_ setShowOnHover:YES];
} else {
// customButtonsOnHover does not show buttons initially.
InternalSetWindowButtonVisibility(true);
}
}
}
// Create a tab only if tabbing identifier is specified and window has
// a native title bar.
if (tabbingIdentifier.empty() || transparent() || !has_frame()) {
[window_ setTabbingMode:NSWindowTabbingModeDisallowed];
} else {
[window_ setTabbingIdentifier:base::SysUTF8ToNSString(tabbingIdentifier)];
}
// Resize to content bounds.
bool use_content_size = false;
options.Get(options::kUseContentSize, &use_content_size);
if (!has_frame() || use_content_size)
SetContentSize(gfx::Size(width, height));
// Enable the NSView to accept first mouse event.
bool acceptsFirstMouse = false;
options.Get(options::kAcceptFirstMouse, &acceptsFirstMouse);
[window_ setAcceptsFirstMouse:acceptsFirstMouse];
// Disable auto-hiding cursor.
bool disableAutoHideCursor = false;
options.Get(options::kDisableAutoHideCursor, &disableAutoHideCursor);
[window_ setDisableAutoHideCursor:disableAutoHideCursor];
SetHiddenInMissionControl(hiddenInMissionControl);
// Set maximizable state last to ensure zoom button does not get reset
// by calls to other APIs.
SetMaximizable(maximizable);
// Default content view.
SetContentView(new views::View());
AddContentViewLayers();
UpdateWindowOriginalFrame();
original_level_ = [window_ level];
}
NativeWindowMac::~NativeWindowMac() = default;
void NativeWindowMac::SetContentView(views::View* view) {
views::View* root_view = GetContentsView();
if (content_view())
root_view->RemoveChildView(content_view());
set_content_view(view);
root_view->AddChildView(content_view());
root_view->Layout();
}
void NativeWindowMac::Close() {
if (!IsClosable()) {
WindowList::WindowCloseCancelled(this);
return;
}
if (fullscreen_transition_state() != FullScreenTransitionState::kNone) {
SetHasDeferredWindowClose(true);
return;
}
// Ensure we're detached from the parent window before closing.
RemoveChildFromParentWindow();
while (!child_windows_.empty()) {
auto* child = child_windows_.back();
child->RemoveChildFromParentWindow();
}
// If a sheet is attached to the window when we call
// [window_ performClose:nil], the window won't close properly
// even after the user has ended the sheet.
// Ensure it's closed before calling [window_ performClose:nil].
if ([window_ attachedSheet])
[window_ endSheet:[window_ attachedSheet]];
[window_ performClose:nil];
// Closing a sheet doesn't trigger windowShouldClose,
// so we need to manually call it ourselves here.
if (is_modal() && parent() && IsVisible()) {
NotifyWindowCloseButtonClicked();
}
}
void NativeWindowMac::CloseImmediately() {
// Ensure we're detached from the parent window before closing.
RemoveChildFromParentWindow();
while (!child_windows_.empty()) {
auto* child = child_windows_.back();
child->RemoveChildFromParentWindow();
}
[window_ close];
}
void NativeWindowMac::Focus(bool focus) {
if (!IsVisible())
return;
if (focus) {
[[NSApplication sharedApplication] activateIgnoringOtherApps:NO];
[window_ makeKeyAndOrderFront:nil];
} else {
[window_ orderOut:nil];
[window_ orderBack:nil];
}
}
bool NativeWindowMac::IsFocused() {
return [window_ isKeyWindow];
}
void NativeWindowMac::Show() {
if (is_modal() && parent()) {
NSWindow* window = parent()->GetNativeWindow().GetNativeNSWindow();
if ([window_ sheetParent] == nil)
[window beginSheet:window_
completionHandler:^(NSModalResponse){
}];
return;
}
// Reattach the window to the parent to actually show it.
if (parent())
InternalSetParentWindow(parent(), true);
// This method is supposed to put focus on window, however if the app does not
// have focus then "makeKeyAndOrderFront" will only show the window.
[NSApp activateIgnoringOtherApps:YES];
[window_ makeKeyAndOrderFront:nil];
}
void NativeWindowMac::ShowInactive() {
// Reattach the window to the parent to actually show it.
if (parent())
InternalSetParentWindow(parent(), true);
[window_ orderFrontRegardless];
}
void NativeWindowMac::Hide() {
// If a sheet is attached to the window when we call [window_ orderOut:nil],
// the sheet won't be able to show again on the same window.
// Ensure it's closed before calling [window_ orderOut:nil].
if ([window_ attachedSheet])
[window_ endSheet:[window_ attachedSheet]];
if (is_modal() && parent()) {
[window_ orderOut:nil];
[parent()->GetNativeWindow().GetNativeNSWindow() endSheet:window_];
return;
}
DetachChildren();
// Detach the window from the parent before.
if (parent())
InternalSetParentWindow(parent(), false);
[window_ orderOut:nil];
}
bool NativeWindowMac::IsVisible() {
bool occluded = [window_ occlusionState] == NSWindowOcclusionStateVisible;
return [window_ isVisible] && !occluded && !IsMinimized();
}
bool NativeWindowMac::IsEnabled() {
return [window_ attachedSheet] == nil;
}
void NativeWindowMac::SetEnabled(bool enable) {
if (!enable) {
NSRect frame = [window_ frame];
NSWindow* window =
[[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, frame.size.width,
frame.size.height)
styleMask:NSWindowStyleMaskTitled
backing:NSBackingStoreBuffered
defer:NO];
[window setAlphaValue:0.5];
[window_ beginSheet:window
completionHandler:^(NSModalResponse returnCode) {
NSLog(@"main window disabled");
return;
}];
} else if ([window_ attachedSheet]) {
[window_ endSheet:[window_ attachedSheet]];
}
}
void NativeWindowMac::Maximize() {
const bool is_visible = [window_ isVisible];
if (IsMaximized()) {
if (!is_visible)
ShowInactive();
return;
}
// Take note of the current window size
if (IsNormal())
UpdateWindowOriginalFrame();
[window_ zoom:nil];
if (!is_visible) {
ShowInactive();
NotifyWindowMaximize();
}
}
void NativeWindowMac::Unmaximize() {
// Bail if the last user set bounds were the same size as the window
// screen (e.g. the user set the window to maximized via setBounds)
//
// Per docs during zoom:
// > If there’s no saved user state because there has been no previous
// > zoom,the size and location of the window don’t change.
//
// However, in classic Apple fashion, this is not the case in practice,
// and the frame inexplicably becomes very tiny. We should prevent
// zoom from being called if the window is being unmaximized and its
// unmaximized window bounds are themselves functionally maximized.
if (!IsMaximized() || user_set_bounds_maximized_)
return;
[window_ zoom:nil];
}
bool NativeWindowMac::IsMaximized() {
// It's possible for [window_ isZoomed] to be true
// when the window is minimized or fullscreened.
if (IsMinimized() || IsFullscreen())
return false;
if (HasStyleMask(NSWindowStyleMaskResizable) != 0)
return [window_ isZoomed];
NSRect rectScreen = GetAspectRatio() > 0.0
? default_frame_for_zoom()
: [[NSScreen mainScreen] visibleFrame];
return NSEqualRects([window_ frame], rectScreen);
}
void NativeWindowMac::Minimize() {
if (IsMinimized())
return;
// Take note of the current window size
if (IsNormal())
UpdateWindowOriginalFrame();
[window_ miniaturize:nil];
}
void NativeWindowMac::Restore() {
[window_ deminiaturize:nil];
}
bool NativeWindowMac::IsMinimized() {
return [window_ isMiniaturized];
}
bool NativeWindowMac::HandleDeferredClose() {
if (has_deferred_window_close_) {
SetHasDeferredWindowClose(false);
Close();
return true;
}
return false;
}
void NativeWindowMac::RemoveChildWindow(NativeWindow* child) {
child_windows_.remove_if([&child](NativeWindow* w) { return (w == child); });
[window_ removeChildWindow:child->GetNativeWindow().GetNativeNSWindow()];
}
void NativeWindowMac::RemoveChildFromParentWindow() {
if (parent() && !is_modal()) {
parent()->RemoveChildWindow(this);
NativeWindow::SetParentWindow(nullptr);
}
}
void NativeWindowMac::AttachChildren() {
for (auto* child : child_windows_) {
auto* child_nswindow = child->GetNativeWindow().GetNativeNSWindow();
if ([child_nswindow parentWindow] == window_)
continue;
// Attaching a window as a child window resets its window level, so
// save and restore it afterwards.
NSInteger level = window_.level;
[window_ addChildWindow:child_nswindow ordered:NSWindowAbove];
[window_ setLevel:level];
}
}
void NativeWindowMac::DetachChildren() {
DCHECK(child_windows_.size() == [[window_ childWindows] count]);
// Hide all children before hiding/minimizing the window.
// NativeWidgetNSWindowBridge::NotifyVisibilityChangeDown()
// will DCHECK otherwise.
for (auto* child : child_windows_) {
[child->GetNativeWindow().GetNativeNSWindow() orderOut:nil];
}
}
void NativeWindowMac::SetFullScreen(bool fullscreen) {
if (!has_frame() && !HasStyleMask(NSWindowStyleMaskTitled))
return;
// [NSWindow -toggleFullScreen] is an asynchronous operation, which means
// that it's possible to call it while a fullscreen transition is currently
// in process. This can create weird behavior (incl. phantom windows),
// so we want to schedule a transition for when the current one has completed.
if (fullscreen_transition_state() != FullScreenTransitionState::kNone) {
if (!pending_transitions_.empty()) {
bool last_pending = pending_transitions_.back();
// Only push new transitions if they're different than the last transition
// in the queue.
if (last_pending != fullscreen)
pending_transitions_.push(fullscreen);
} else {
pending_transitions_.push(fullscreen);
}
return;
}
if (fullscreen == IsFullscreen() || !IsFullScreenable())
return;
// Take note of the current window size
if (IsNormal())
UpdateWindowOriginalFrame();
// This needs to be set here because it can be the case that
// SetFullScreen is called by a user before windowWillEnterFullScreen
// or windowWillExitFullScreen are invoked, and so a potential transition
// could be dropped.
fullscreen_transition_state_ = fullscreen
? FullScreenTransitionState::kEntering
: FullScreenTransitionState::kExiting;
[window_ toggleFullScreenMode:nil];
}
bool NativeWindowMac::IsFullscreen() const {
return HasStyleMask(NSWindowStyleMaskFullScreen);
}
void NativeWindowMac::SetBounds(const gfx::Rect& bounds, bool animate) {
// Do nothing if in fullscreen mode.
if (IsFullscreen())
return;
// Check size constraints since setFrame does not check it.
gfx::Size size = bounds.size();
size.SetToMax(GetMinimumSize());
gfx::Size max_size = GetMaximumSize();
if (!max_size.IsEmpty())
size.SetToMin(max_size);
NSRect cocoa_bounds = NSMakeRect(bounds.x(), 0, size.width(), size.height());
// Flip coordinates based on the primary screen.
NSScreen* screen = [[NSScreen screens] firstObject];
cocoa_bounds.origin.y = NSHeight([screen frame]) - size.height() - bounds.y();
[window_ setFrame:cocoa_bounds display:YES animate:animate];
user_set_bounds_maximized_ = IsMaximized() ? true : false;
UpdateWindowOriginalFrame();
}
gfx::Rect NativeWindowMac::GetBounds() {
NSRect frame = [window_ frame];
gfx::Rect bounds(frame.origin.x, 0, NSWidth(frame), NSHeight(frame));
NSScreen* screen = [[NSScreen screens] firstObject];
bounds.set_y(NSHeight([screen frame]) - NSMaxY(frame));
return bounds;
}
bool NativeWindowMac::IsNormal() {
return NativeWindow::IsNormal() && !IsSimpleFullScreen();
}
gfx::Rect NativeWindowMac::GetNormalBounds() {
if (IsNormal()) {
return GetBounds();
}
NSRect frame = original_frame_;
gfx::Rect bounds(frame.origin.x, 0, NSWidth(frame), NSHeight(frame));
NSScreen* screen = [[NSScreen screens] firstObject];
bounds.set_y(NSHeight([screen frame]) - NSMaxY(frame));
return bounds;
// Works on OS_WIN !
// return widget()->GetRestoredBounds();
}
void NativeWindowMac::SetContentSizeConstraints(
const extensions::SizeConstraints& size_constraints) {
auto convertSize = [this](const gfx::Size& size) {
// Our frameless window still has titlebar attached, so setting contentSize
// will result in actual content size being larger.
if (!has_frame()) {
NSRect frame = NSMakeRect(0, 0, size.width(), size.height());
NSRect content = [window_ originalContentRectForFrameRect:frame];
return content.size;
} else {
return NSMakeSize(size.width(), size.height());
}
};
NSView* content = [window_ contentView];
if (size_constraints.HasMinimumSize()) {
NSSize min_size = convertSize(size_constraints.GetMinimumSize());
[window_ setContentMinSize:[content convertSize:min_size toView:nil]];
}
if (size_constraints.HasMaximumSize()) {
NSSize max_size = convertSize(size_constraints.GetMaximumSize());
[window_ setContentMaxSize:[content convertSize:max_size toView:nil]];
}
NativeWindow::SetContentSizeConstraints(size_constraints);
}
bool NativeWindowMac::MoveAbove(const std::string& sourceId) {
const content::DesktopMediaID id = content::DesktopMediaID::Parse(sourceId);
if (id.type != content::DesktopMediaID::TYPE_WINDOW)
return false;
// Check if the window source is valid.
const CGWindowID window_id = id.id;
if (!webrtc::GetWindowOwnerPid(window_id))
return false;
if (!parent() || is_modal()) {
[window_ orderWindow:NSWindowAbove relativeTo:window_id];
} else {
NSWindow* other_window = [NSApp windowWithWindowNumber:window_id];
ReorderChildWindowAbove(window_, other_window);
}
return true;
}
void NativeWindowMac::MoveTop() {
if (!parent() || is_modal()) {
[window_ orderWindow:NSWindowAbove relativeTo:0];
} else {
ReorderChildWindowAbove(window_, nullptr);
}
}
void NativeWindowMac::SetResizable(bool resizable) {
ScopedDisableResize disable_resize;
SetStyleMask(resizable, NSWindowStyleMaskResizable);
bool was_fullscreenable = IsFullScreenable();
// Right now, resizable and fullscreenable are decoupled in
// documentation and on Windows/Linux. Chromium disables
// fullscreen collection behavior as well as the maximize traffic
// light in SetCanResize if resizability is false on macOS unless
// the window is both resizable and maximizable. We want consistent
// cross-platform behavior, so if resizability is disabled we disable
// the maximize button and ensure fullscreenability matches user setting.
SetCanResize(resizable);
SetFullScreenable(was_fullscreenable);
[[window_ standardWindowButton:NSWindowZoomButton]
setEnabled:resizable ? was_fullscreenable : false];
}
bool NativeWindowMac::IsResizable() {
bool in_fs_transition =
fullscreen_transition_state() != FullScreenTransitionState::kNone;
bool has_rs_mask = HasStyleMask(NSWindowStyleMaskResizable);
return has_rs_mask && !IsFullscreen() && !in_fs_transition;
}
void NativeWindowMac::SetMovable(bool movable) {
[window_ setMovable:movable];
}
bool NativeWindowMac::IsMovable() {
return [window_ isMovable];
}
void NativeWindowMac::SetMinimizable(bool minimizable) {
SetStyleMask(minimizable, NSWindowStyleMaskMiniaturizable);
}
bool NativeWindowMac::IsMinimizable() {
return HasStyleMask(NSWindowStyleMaskMiniaturizable);
}
void NativeWindowMac::SetMaximizable(bool maximizable) {
maximizable_ = maximizable;
[[window_ standardWindowButton:NSWindowZoomButton] setEnabled:maximizable];
}
bool NativeWindowMac::IsMaximizable() {
return [[window_ standardWindowButton:NSWindowZoomButton] isEnabled];
}
void NativeWindowMac::SetFullScreenable(bool fullscreenable) {
SetCollectionBehavior(fullscreenable,
NSWindowCollectionBehaviorFullScreenPrimary);
// On EL Capitan this flag is required to hide fullscreen button.
SetCollectionBehavior(!fullscreenable,
NSWindowCollectionBehaviorFullScreenAuxiliary);
}
bool NativeWindowMac::IsFullScreenable() {
NSUInteger collectionBehavior = [window_ collectionBehavior];
return collectionBehavior & NSWindowCollectionBehaviorFullScreenPrimary;
}
void NativeWindowMac::SetClosable(bool closable) {
SetStyleMask(closable, NSWindowStyleMaskClosable);
}
bool NativeWindowMac::IsClosable() {
return HasStyleMask(NSWindowStyleMaskClosable);
}
void NativeWindowMac::SetAlwaysOnTop(ui::ZOrderLevel z_order,
const std::string& level_name,
int relative_level) {
if (z_order == ui::ZOrderLevel::kNormal) {
SetWindowLevel(NSNormalWindowLevel);
return;
}
int level = NSNormalWindowLevel;
if (level_name == "floating") {
level = NSFloatingWindowLevel;
} else if (level_name == "torn-off-menu") {
level = NSTornOffMenuWindowLevel;
} else if (level_name == "modal-panel") {
level = NSModalPanelWindowLevel;
} else if (level_name == "main-menu") {
level = NSMainMenuWindowLevel;
} else if (level_name == "status") {
level = NSStatusWindowLevel;
} else if (level_name == "pop-up-menu") {
level = NSPopUpMenuWindowLevel;
} else if (level_name == "screen-saver") {
level = NSScreenSaverWindowLevel;
}
SetWindowLevel(level + relative_level);
}
std::string NativeWindowMac::GetAlwaysOnTopLevel() {
std::string level_name = "normal";
int level = [window_ level];
if (level == NSFloatingWindowLevel) {
level_name = "floating";
} else if (level == NSTornOffMenuWindowLevel) {
level_name = "torn-off-menu";
} else if (level == NSModalPanelWindowLevel) {
level_name = "modal-panel";
} else if (level == NSMainMenuWindowLevel) {
level_name = "main-menu";
} else if (level == NSStatusWindowLevel) {
level_name = "status";
} else if (level == NSPopUpMenuWindowLevel) {
level_name = "pop-up-menu";
} else if (level == NSScreenSaverWindowLevel) {
level_name = "screen-saver";
}
return level_name;
}
void NativeWindowMac::SetWindowLevel(int unbounded_level) {
int level = std::min(
std::max(unbounded_level, CGWindowLevelForKey(kCGMinimumWindowLevelKey)),
CGWindowLevelForKey(kCGMaximumWindowLevelKey));
ui::ZOrderLevel z_order_level = level == NSNormalWindowLevel
? ui::ZOrderLevel::kNormal
: ui::ZOrderLevel::kFloatingWindow;
bool did_z_order_level_change = z_order_level != GetZOrderLevel();
was_maximizable_ = IsMaximizable();
// We need to explicitly keep the NativeWidget up to date, since it stores the
// window level in a local variable, rather than reading it from the NSWindow.
// Unfortunately, it results in a second setLevel call. It's not ideal, but we
// don't expect this to cause any user-visible jank.
widget()->SetZOrderLevel(z_order_level);
[window_ setLevel:level];
// Set level will make the zoom button revert to default, probably
// a bug of Cocoa or macOS.
SetMaximizable(was_maximizable_);
// This must be notified at the very end or IsAlwaysOnTop
// will not yet have been updated to reflect the new status
if (did_z_order_level_change)
NativeWindow::NotifyWindowAlwaysOnTopChanged();
}
ui::ZOrderLevel NativeWindowMac::GetZOrderLevel() {
return widget()->GetZOrderLevel();
}
void NativeWindowMac::Center() {
[window_ center];
}
void NativeWindowMac::Invalidate() {
[[window_ contentView] setNeedsDisplay:YES];
}
void NativeWindowMac::SetTitle(const std::string& title) {
[window_ setTitle:base::SysUTF8ToNSString(title)];
if (buttons_proxy_)
[buttons_proxy_ redraw];
}