| // Copyright 2018 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. |
| |
| #ifndef CC_TREES_RENDER_FRAME_METADATA_H_ |
| #define CC_TREES_RENDER_FRAME_METADATA_H_ |
| |
| #include "base/optional.h" |
| #include "build/build_config.h" |
| #include "cc/cc_export.h" |
| #include "components/viz/common/quads/selection.h" |
| #include "components/viz/common/surfaces/local_surface_id.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/geometry/size_f.h" |
| #include "ui/gfx/geometry/vector2d_f.h" |
| #include "ui/gfx/selection_bound.h" |
| |
| namespace cc { |
| |
| class CC_EXPORT RenderFrameMetadata { |
| public: |
| RenderFrameMetadata(); |
| RenderFrameMetadata(const RenderFrameMetadata& other); |
| RenderFrameMetadata(RenderFrameMetadata&& other); |
| ~RenderFrameMetadata(); |
| |
| RenderFrameMetadata& operator=(const RenderFrameMetadata&); |
| RenderFrameMetadata& operator=(RenderFrameMetadata&& other); |
| bool operator==(const RenderFrameMetadata& other) const; |
| bool operator!=(const RenderFrameMetadata& other) const; |
| |
| // Indicates whether the scroll offset of the root layer is at top, i.e., |
| // whether scroll_offset.y() == 0. |
| bool is_scroll_offset_at_top = true; |
| |
| // The background color of a CompositorFrame. It can be used for filling the |
| // content area if the primary surface is unavailable and fallback is not |
| // specified. |
| SkColor root_background_color = SK_ColorWHITE; |
| |
| // Scroll offset of the root layer. This optional parameter is only valid |
| // during tests. |
| base::Optional<gfx::Vector2dF> root_scroll_offset; |
| |
| // Selection region relative to the current viewport. If the selection is |
| // empty or otherwise unused, the bound types will indicate such. |
| viz::Selection<gfx::SelectionBound> selection; |
| |
| // Determines whether the page is mobile optimized or not, which means at |
| // least one of the following has to be true: |
| // - page has a width=device-width or narrower viewport. |
| // - page prevents zooming in or out (i.e. min and max page scale factors |
| // are the same). |
| bool is_mobile_optimized = false; |
| |
| // The device scale factor used to generate a CompositorFrame. |
| float device_scale_factor = 1.f; |
| |
| // The size of the viewport used to generate a CompositorFrame. |
| gfx::Size viewport_size_in_pixels; |
| |
| // The last viz::LocalSurfaceId used to submit a CompositorFrame. |
| base::Optional<viz::LocalSurfaceId> local_surface_id; |
| |
| float page_scale_factor = 1.f; |
| |
| #if defined(OS_ANDROID) |
| // Used to position the Android location top bar and page content, whose |
| // precise position is computed by the renderer compositor. |
| float top_controls_height = 0.f; |
| float top_controls_shown_ratio = 0.f; |
| |
| // Used to position Android bottom bar, whose position is computed by the |
| // renderer compositor. |
| float bottom_controls_height = 0.f; |
| float bottom_controls_shown_ratio = 0.f; |
| |
| // These limits can be used together with the scroll/scale fields above to |
| // determine if scrolling/scaling in a particular direction is possible. |
| float min_page_scale_factor = 0.f; |
| float max_page_scale_factor = 0.f; |
| bool root_overflow_y_hidden = false; |
| |
| gfx::SizeF scrollable_viewport_size; |
| gfx::SizeF root_layer_size; |
| |
| // Returns whether the root RenderPass of the CompositorFrame has a |
| // transparent background color. |
| bool has_transparent_background = false; |
| #endif |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TREES_RENDER_FRAME_METADATA_H_ |