| // Copyright 2013 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 "ash/wm/boot_splash_screen_chromeos.h" |
| |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_tree_host.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/compositor/layer_type.h" |
| #include "ui/compositor/paint_recorder.h" |
| #include "ui/compositor/scoped_layer_animation_settings.h" |
| #include "ui/gfx/canvas.h" |
| |
| #if defined(USE_X11) |
| #include "ui/base/x/x11_util.h" // nogncheck |
| #endif |
| |
| namespace ash { |
| |
| // ui::LayerDelegate that copies the aura host window's content to a ui::Layer. |
| class BootSplashScreen::CopyHostContentLayerDelegate |
| : public ui::LayerDelegate { |
| public: |
| explicit CopyHostContentLayerDelegate(aura::WindowTreeHost* host) |
| #if defined(USE_X11) |
| : host_(host) |
| #endif |
| { |
| } |
| |
| ~CopyHostContentLayerDelegate() override {} |
| |
| // ui::LayerDelegate overrides: |
| void OnPaintLayer(const ui::PaintContext& context) override { |
| // It'd be safer to copy the area to a canvas in the constructor and then |
| // copy from that canvas to this one here, but this appears to work (i.e. we |
| // only call this before we draw our first frame) and it saves us an extra |
| // copy. |
| // TODO(derat): Instead of copying the data, use GLX_EXT_texture_from_pixmap |
| // to create a zero-copy texture (when possible): |
| // https://codereview.chromium.org/10543125 |
| #if defined(USE_X11) |
| ui::PaintRecorder recorder(context, host_->GetBoundsInPixels().size()); |
| ui::CopyAreaToCanvas(host_->GetAcceleratedWidget(), |
| host_->GetBoundsInPixels(), gfx::Point(), |
| recorder.canvas()); |
| #else |
| // TODO(spang): Figure out what to do here. |
| NOTIMPLEMENTED(); |
| #endif |
| } |
| |
| void OnDelegatedFrameDamage(const gfx::Rect& damage_rect_in_dip) override {} |
| |
| void OnDeviceScaleFactorChanged(float device_scale_factor) override {} |
| |
| private: |
| #if defined(USE_X11) |
| aura::WindowTreeHost* host_; // not owned |
| #endif |
| |
| DISALLOW_COPY_AND_ASSIGN(CopyHostContentLayerDelegate); |
| }; |
| |
| BootSplashScreen::BootSplashScreen(aura::WindowTreeHost* host) |
| : layer_delegate_(new CopyHostContentLayerDelegate(host)), |
| layer_(new ui::Layer(ui::LAYER_TEXTURED)) { |
| layer_->set_delegate(layer_delegate_.get()); |
| |
| ui::Layer* root_layer = host->window()->layer(); |
| layer_->SetBounds(gfx::Rect(host->window()->bounds().size())); |
| root_layer->Add(layer_.get()); |
| root_layer->StackAtTop(layer_.get()); |
| } |
| |
| BootSplashScreen::~BootSplashScreen() {} |
| |
| void BootSplashScreen::StartHideAnimation(base::TimeDelta duration) { |
| ui::ScopedLayerAnimationSettings settings(layer_->GetAnimator()); |
| settings.SetTransitionDuration(duration); |
| settings.SetPreemptionStrategy(ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS); |
| layer_->SetOpacity(0.0f); |
| } |
| |
| } // namespace ash |