| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. |
| * OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/core/frame/frame_overlay.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/memory/ptr_util.h" |
| #include "cc/input/main_thread_scrolling_reason.h" |
| #include "cc/layers/picture_layer.h" |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/frame/visual_viewport.h" |
| #include "third_party/blink/renderer/core/layout/layout_view.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| #include "third_party/blink/renderer/core/page/scrolling/scrolling_coordinator.h" |
| #include "third_party/blink/renderer/platform/graphics/graphics_context.h" |
| #include "third_party/blink/renderer/platform/graphics/paint/scoped_paint_chunk_properties.h" |
| |
| namespace blink { |
| |
| FrameOverlay::FrameOverlay(LocalFrame* local_frame, |
| std::unique_ptr<FrameOverlay::Delegate> delegate) |
| : frame_(local_frame), delegate_(std::move(delegate)) { |
| DCHECK(frame_); |
| frame_->View()->SetVisualViewportOrOverlayNeedsRepaint(); |
| } |
| |
| FrameOverlay::~FrameOverlay() { |
| #if DCHECK_IS_ON() |
| DCHECK(is_destroyed_); |
| #endif |
| } |
| |
| void FrameOverlay::Destroy() { |
| frame_->View()->SetVisualViewportOrOverlayNeedsRepaint(); |
| |
| delegate_.reset(); |
| #if DCHECK_IS_ON() |
| is_destroyed_ = true; |
| #endif |
| } |
| |
| void FrameOverlay::UpdatePrePaint() { |
| // Invalidate DisplayItemClient. |
| Invalidate(); |
| delegate_->Invalidate(); |
| } |
| |
| gfx::Size FrameOverlay::Size() const { |
| gfx::Size size = frame_->GetPage()->GetVisualViewport().Size(); |
| if (!frame_->IsMainFrame() || frame_->IsInFencedFrameTree()) |
| size.SetToMax(frame_->View()->Size()); |
| return size; |
| } |
| |
| void FrameOverlay::ServiceScriptedAnimations( |
| base::TimeTicks monotonic_frame_begin_time) { |
| delegate_->ServiceScriptedAnimations(monotonic_frame_begin_time); |
| } |
| |
| void FrameOverlay::Trace(Visitor* visitor) const { |
| visitor->Trace(frame_); |
| DisplayItemClient::Trace(visitor); |
| } |
| |
| void FrameOverlay::Paint(GraphicsContext& context) const { |
| ScopedPaintChunkProperties properties(context.GetPaintController(), |
| DefaultPropertyTreeState(), *this, |
| DisplayItem::kFrameOverlay); |
| delegate_->PaintFrameOverlay(*this, context, Size()); |
| } |
| |
| PropertyTreeState FrameOverlay::DefaultPropertyTreeState() const { |
| auto state = PropertyTreeState::Root(); |
| if (frame_->IsMainFrame() && !frame_->IsInFencedFrameTree()) { |
| if (const auto* device_emulation = frame_->GetPage() |
| ->GetVisualViewport() |
| .GetDeviceEmulationTransformNode()) |
| state.SetTransform(*device_emulation); |
| } |
| return state; |
| } |
| |
| } // namespace blink |