| // 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. |
| |
| #include "ui/accelerated_widget_mac/accelerated_widget_mac.h" |
| |
| #include <map> |
| |
| #include "base/lazy_instance.h" |
| #include "base/mac/mac_util.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/mac/sdk_forward_declarations.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/trace_event/trace_event.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "ui/accelerated_widget_mac/fullscreen_low_power_coordinator.h" |
| #include "ui/base/cocoa/animation_utils.h" |
| #include "ui/gfx/geometry/dip_util.h" |
| #include "ui/gl/scoped_cgl.h" |
| |
| @interface CALayer (PrivateAPI) |
| - (void)setContentsChanged; |
| @end |
| |
| namespace ui { |
| namespace { |
| |
| typedef std::map<gfx::AcceleratedWidget,AcceleratedWidgetMac*> |
| WidgetToHelperMap; |
| base::LazyInstance<WidgetToHelperMap> g_widget_to_helper_map; |
| |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // AcceleratedWidgetMac |
| |
| AcceleratedWidgetMac::AcceleratedWidgetMac() : view_(nullptr) { |
| // Disable the fade-in animation as the layers are added. |
| ScopedCAActionDisabler disabler; |
| |
| // Add a flipped transparent layer as a child, so that we don't need to |
| // fiddle with the position of sub-layers -- they will always be at the |
| // origin. |
| flipped_layer_.reset([[CALayer alloc] init]); |
| [flipped_layer_ setGeometryFlipped:YES]; |
| [flipped_layer_ setAnchorPoint:CGPointMake(0, 0)]; |
| [flipped_layer_ |
| setAutoresizingMask:kCALayerWidthSizable|kCALayerHeightSizable]; |
| |
| fslp_flipped_layer_.reset([[CALayer alloc] init]); |
| [fslp_flipped_layer_ setGeometryFlipped:YES]; |
| [fslp_flipped_layer_ setAnchorPoint:CGPointMake(0, 0)]; |
| [fslp_flipped_layer_ |
| setAutoresizingMask:kCALayerWidthSizable|kCALayerHeightSizable]; |
| |
| // Use a sequence number as the accelerated widget handle that we can use |
| // to look up the internals structure. |
| static intptr_t last_sequence_number = 0; |
| last_sequence_number += 1; |
| native_widget_ = reinterpret_cast<gfx::AcceleratedWidget>( |
| last_sequence_number); |
| g_widget_to_helper_map.Pointer()->insert( |
| std::make_pair(native_widget_, this)); |
| } |
| |
| AcceleratedWidgetMac::~AcceleratedWidgetMac() { |
| DCHECK(!view_); |
| g_widget_to_helper_map.Pointer()->erase(native_widget_); |
| } |
| |
| void AcceleratedWidgetMac::SetNSView(AcceleratedWidgetMacNSView* view) { |
| // Disable the fade-in animation as the view is added. |
| ScopedCAActionDisabler disabler; |
| |
| DCHECK(!fslp_coordinator_); |
| DCHECK(view && !view_); |
| view_ = view; |
| |
| CALayer* background_layer = [view_->AcceleratedWidgetGetNSView() layer]; |
| DCHECK(background_layer); |
| [flipped_layer_ setBounds:[background_layer bounds]]; |
| [fslp_flipped_layer_ setBounds:[background_layer bounds]]; |
| [background_layer addSublayer:flipped_layer_]; |
| } |
| |
| void AcceleratedWidgetMac::ResetNSView() { |
| if (!view_) |
| return; |
| |
| if (fslp_coordinator_) { |
| fslp_coordinator_->WillLoseAcceleratedWidget(); |
| DCHECK(!fslp_coordinator_); |
| } |
| |
| // Disable the fade-out animation as the view is removed. |
| ScopedCAActionDisabler disabler; |
| |
| [flipped_layer_ removeFromSuperlayer]; |
| [content_layer_ removeFromSuperlayer]; |
| [io_surface_layer_ removeFromSuperlayer]; |
| content_layer_.reset(); |
| io_surface_layer_.reset(); |
| |
| last_swap_size_dip_ = gfx::Size(); |
| view_ = NULL; |
| } |
| |
| void AcceleratedWidgetMac::SetFullscreenLowPowerCoordinator( |
| FullscreenLowPowerCoordinator* coordinator) { |
| DCHECK(coordinator); |
| DCHECK(!fslp_coordinator_); |
| fslp_coordinator_ = coordinator; |
| } |
| |
| void AcceleratedWidgetMac::ResetFullscreenLowPowerCoordinator() { |
| DCHECK(fslp_coordinator_); |
| fslp_coordinator_ = nullptr; |
| } |
| |
| CALayer* AcceleratedWidgetMac::GetFullscreenLowPowerLayer() const { |
| return fslp_flipped_layer_; |
| } |
| |
| bool AcceleratedWidgetMac::MightBeInFullscreenLowPowerMode() const { |
| return fslp_coordinator_; |
| } |
| |
| bool AcceleratedWidgetMac::HasFrameOfSize( |
| const gfx::Size& dip_size) const { |
| return last_swap_size_dip_ == dip_size; |
| } |
| |
| void AcceleratedWidgetMac::GetVSyncParameters( |
| base::TimeTicks* timebase, base::TimeDelta* interval) const { |
| if (view_) { |
| view_->AcceleratedWidgetGetVSyncParameters(timebase, interval); |
| } else { |
| *timebase = base::TimeTicks(); |
| *interval = base::TimeDelta(); |
| } |
| } |
| |
| AcceleratedWidgetMac* AcceleratedWidgetMac::Get(gfx::AcceleratedWidget widget) { |
| WidgetToHelperMap::const_iterator found = |
| g_widget_to_helper_map.Pointer()->find(widget); |
| // This can end up being accessed after the underlying widget has been |
| // destroyed, but while the ui::Compositor is still being destroyed. |
| // Return NULL in these cases. |
| if (found == g_widget_to_helper_map.Pointer()->end()) |
| return nullptr; |
| return found->second; |
| } |
| |
| void AcceleratedWidgetMac::GotCALayerFrame( |
| base::scoped_nsobject<CALayer> content_layer, |
| bool fullscreen_low_power_layer_valid, |
| base::scoped_nsobject<CALayer> fullscreen_low_power_layer, |
| const gfx::Size& pixel_size, |
| float scale_factor) { |
| TRACE_EVENT0("ui", "AcceleratedWidgetMac::GotCAContextFrame"); |
| if (!view_) { |
| TRACE_EVENT0("ui", "No associated NSView"); |
| return; |
| } |
| ScopedCAActionDisabler disabler; |
| last_swap_size_dip_ = gfx::ConvertSizeToDIP(scale_factor, pixel_size); |
| if (fullscreen_low_power_layer_valid) |
| [fslp_flipped_layer_ setFrame:gfx::Rect(last_swap_size_dip_).ToCGRect()]; |
| |
| // Ensure that the content is in the CALayer hierarchy, and update fullscreen |
| // low power state. |
| if (content_layer_ != content_layer) { |
| [flipped_layer_ addSublayer:content_layer]; |
| [content_layer_ removeFromSuperlayer]; |
| content_layer_ = content_layer; |
| } |
| if (fullscreen_low_power_layer_ != fullscreen_low_power_layer) { |
| if (fslp_coordinator_) { |
| fslp_coordinator_->WillLoseAcceleratedWidget(); |
| DCHECK(!fslp_coordinator_); |
| } |
| [fslp_flipped_layer_ addSublayer:fullscreen_low_power_layer]; |
| [fullscreen_low_power_layer_ removeFromSuperlayer]; |
| fullscreen_low_power_layer_ = fullscreen_low_power_layer; |
| } |
| if (fslp_coordinator_) |
| fslp_coordinator_->SetLowPowerLayerValid(fullscreen_low_power_layer_valid); |
| |
| // Ensure the IOSurface is removed. |
| if (io_surface_layer_) { |
| [io_surface_layer_ removeFromSuperlayer]; |
| io_surface_layer_.reset(); |
| } |
| view_->AcceleratedWidgetSwapCompleted(); |
| } |
| |
| void AcceleratedWidgetMac::GotIOSurfaceFrame( |
| base::ScopedCFTypeRef<IOSurfaceRef> io_surface, |
| const gfx::Size& pixel_size, |
| float scale_factor) { |
| TRACE_EVENT0("ui", "AcceleratedWidgetMac::GotIOSurfaceFrame"); |
| if (!view_) { |
| TRACE_EVENT0("ui", "No associated NSView"); |
| return; |
| } |
| ScopedCAActionDisabler disabler; |
| last_swap_size_dip_ = gfx::ConvertSizeToDIP(scale_factor, pixel_size); |
| |
| // Create (if needed) and update the IOSurface layer with new content. |
| if (!io_surface_layer_) { |
| io_surface_layer_.reset([[CALayer alloc] init]); |
| [io_surface_layer_ setContentsGravity:kCAGravityTopLeft]; |
| [io_surface_layer_ setAnchorPoint:CGPointMake(0, 0)]; |
| [flipped_layer_ addSublayer:io_surface_layer_]; |
| } |
| id new_contents = static_cast<id>(io_surface.get()); |
| if (new_contents && new_contents == [io_surface_layer_ contents]) |
| [io_surface_layer_ setContentsChanged]; |
| else |
| [io_surface_layer_ setContents:new_contents]; |
| [io_surface_layer_ setBounds:CGRectMake(0, 0, last_swap_size_dip_.width(), |
| last_swap_size_dip_.height())]; |
| if ([io_surface_layer_ contentsScale] != scale_factor) |
| [io_surface_layer_ setContentsScale:scale_factor]; |
| |
| // Ensure that the content layer is removed. |
| if (content_layer_) { |
| [content_layer_ removeFromSuperlayer]; |
| content_layer_.reset(); |
| } |
| view_->AcceleratedWidgetSwapCompleted(); |
| } |
| |
| } // namespace ui |