| // 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 "ui/gfx/geometry/dip_util.h" |
| |
| namespace ui { |
| namespace { |
| |
| typedef std::map<gfx::AcceleratedWidget,AcceleratedWidgetMac*> |
| WidgetToHelperMap; |
| base::LazyInstance<WidgetToHelperMap>::DestructorAtExit g_widget_to_helper_map; |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // AcceleratedWidgetMac |
| |
| AcceleratedWidgetMac::AcceleratedWidgetMac() : view_(nullptr) { |
| // Use a sequence number as the accelerated widget handle that we can use |
| // to look up the internals structure. |
| static uint64_t last_sequence_number = 0; |
| native_widget_ = ++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) { |
| DCHECK(view && !view_); |
| view_ = view; |
| } |
| |
| void AcceleratedWidgetMac::ResetNSView() { |
| last_ca_layer_params_valid_ = false; |
| view_ = NULL; |
| } |
| |
| const gfx::CALayerParams* AcceleratedWidgetMac::GetCALayerParams() const { |
| if (!last_ca_layer_params_valid_) |
| return nullptr; |
| return &last_ca_layer_params_; |
| } |
| |
| bool AcceleratedWidgetMac::HasFrameOfSize( |
| const gfx::Size& dip_size) const { |
| if (!last_ca_layer_params_valid_) |
| return false; |
| gfx::Size last_swap_size_dip = gfx::ConvertSizeToDIP( |
| last_ca_layer_params_.scale_factor, last_ca_layer_params_.pixel_size); |
| return last_swap_size_dip == dip_size; |
| } |
| |
| // static |
| 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; |
| } |
| |
| // static |
| NSView* AcceleratedWidgetMac::GetNSView(gfx::AcceleratedWidget widget) { |
| AcceleratedWidgetMac* widget_mac = Get(widget); |
| if (!widget_mac || !widget_mac->view_) |
| return nil; |
| return widget_mac->view_->AcceleratedWidgetGetNSView(); |
| } |
| |
| void AcceleratedWidgetMac::SetSuspended(bool is_suspended) { |
| is_suspended_ = is_suspended; |
| } |
| |
| void AcceleratedWidgetMac::UpdateCALayerTree( |
| const gfx::CALayerParams& ca_layer_params) { |
| if (is_suspended_) |
| return; |
| |
| last_ca_layer_params_valid_ = true; |
| last_ca_layer_params_ = ca_layer_params; |
| if (view_) |
| view_->AcceleratedWidgetCALayerParamsUpdated(); |
| } |
| |
| |
| } // namespace ui |