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102 lines
3.4 KiB
Plaintext
102 lines
3.4 KiB
Plaintext
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module content.mojom;
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import "services/viz/public/interfaces/compositing/local_surface_id.mojom";
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import "services/viz/public/interfaces/compositing/selection.mojom";
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import "ui/gfx/geometry/mojo/geometry.mojom";
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// See components/viz/service/quads/render_frame_metadata.h
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struct RenderFrameMetadata {
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// The background color of a CompositorFrame. It can be used for filling the
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// content area if the primary surface is unavailable and fallback is not
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// specified.
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uint32 root_background_color;
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// Scroll offset of the root layer. This optional parameter is only sent
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// during tests.
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gfx.mojom.Vector2dF? root_scroll_offset;
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// Indicates whether the scroll offset of the root layer is at top, i.e.,
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// whether scroll_offset.y() == 0.
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bool is_scroll_offset_at_top;
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// Selection region relative to the current viewport. If the selection is
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// empty or otherwise unused, the bound types will indicate such.
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viz.mojom.Selection selection;
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// Determines whether the page is mobile optimized or not, which means at
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// least one of the following has to be true:
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// - page has a width=device-width or narrower viewport.
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// - page prevents zooming in or out (i.e. min and max page scale factors
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// are the same).
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bool is_mobile_optimized;
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// The device scale factor used to generate CompositorFrame.
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float device_scale_factor;
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// The size of the viewport used to generate a CompositorFrame.
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gfx.mojom.Size viewport_size_in_pixels;
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// The last viz::LocalSurfaceId used to submit a CompositorFrame.
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viz.mojom.LocalSurfaceId? local_surface_id;
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// The page scale factor used on the content.
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float page_scale_factor;
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// Used to position the Android location top bar and page content, whose
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// precise position is computed by the renderer compositor.
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[EnableIf=is_android]
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float top_controls_height;
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[EnableIf=is_android]
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float top_controls_shown_ratio;
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// Used to position Android bottom bar, whose position is computed by the
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// renderer compositor.
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[EnableIf=is_android]
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float bottom_controls_height;
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[EnableIf=is_android]
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float bottom_controls_shown_ratio;
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[EnableIf=is_android]
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float min_page_scale_factor;
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[EnableIf=is_android]
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float max_page_scale_factor;
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[EnableIf=is_android]
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bool root_overflow_y_hidden;
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[EnableIf=is_android]
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gfx.mojom.SizeF scrollable_viewport_size;
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[EnableIf=is_android]
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gfx.mojom.SizeF root_layer_size;
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[EnableIf=is_android]
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bool has_transparent_background;
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};
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// This interface is provided by the renderer. It can optionally enable
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// notifications for all frame submissions.
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interface RenderFrameMetadataObserver {
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// When |enabled| is set to true, this will notify the associated client of
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// all frame submissions.
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ReportAllFrameSubmissionsForTesting(bool enabled);
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};
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// This interface is provided by the browser. It is notified of all changes to
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// RenderFrameMetadata. It can be notified of all frame submissions, via
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// RenderFrameMetadataObserver::ReportAllFrameSubmissionsForTesting.
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interface RenderFrameMetadataObserverClient {
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// Notified when RenderFrameMetadata has changed.
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OnRenderFrameMetadataChanged(uint32 frame_token, RenderFrameMetadata metadata);
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// Notified on all frame submissions.
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OnFrameSubmissionForTesting(uint32 frame_token);
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};
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