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- // Copyright 2020 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.
- module android_webview.mojom;
- import "mojo/public/mojom/base/string16.mojom";
- import "mojo/public/mojom/base/time.mojom";
- import "skia/public/mojom/skcolor.mojom";
- import "ui/gfx/geometry/mojom/geometry.mojom";
- import "url/mojom/url.mojom";
- enum HitTestDataType{
- // Default type where nothing we are interested in is hit.
- // |extra_data_for_type| will be empty. All other values should be emtpy
- // except the special case described below.
- // For special case of invalid or javascript scheme url that would
- // otherwise be type an LINK type, |href| will contain the javascript
- // string in the href attribute, and |anchor_text| and |img_src| contain
- // their normal values for the respective type.
- kUnknown = 0,
- // Special case urls for kSrcLink below. Each type corresponds to a
- // different prefix in content url_constants. |extra_data_for_type| will
- // contain the url but with the prefix removed. |href| will contain the
- // exact href attribute string. Other fields are the same as kSrcLink.
- kPhone = 2,
- kGeo = 3,
- kEmail = 4,
- // Hit on a pure image (without links). |extra_data_for_type|, |href|,
- // and |anchor_text| will be empty. |img_src| will contain the absolute
- // source url of the image.
- kImage = 5,
- // Hit on a link with valid and non-javascript url and without embedded
- // image. |extra_data_for_type| and |href| will be the valid absolute url
- // of the link. |anchor_text| will contain the anchor text if the link is
- // an anchor tag. |img_src| will be empty.
- // Note 1: If the link url is invalid or javascript scheme, then the type
- // will be UNKNOWN_TYPE.
- // Note 2: Note that this matches SRC_ANCHOR_TYPE in the public WebView
- // Java API, but the actual tag can be something other than <a>, such as
- // <link> or <area>.
- // Note 3: |href| is not the raw attribute string, but the absolute link
- // url.
- kSrcLink = 7,
- // Same as kSrcLink except the link contains an image. |img_src| and
- // |extra_data_for_type| will contain the absolute valid url of the image
- // source. |href| will be the valid absolute url of the link. |anchor_text|
- // will be empty. All notes from kSrcLink apply.
- kSrcImageLink = 8,
- // Hit on an editable text input element. All other values will be empty.
- kEditText = 9,
- };
- // Holds all hit test data needed by public WebView APIs.
- // The Java counter part to this is AwContents.HitTestData.
- struct HitTestData {
- // The type of the hit test.
- HitTestDataType type;
- // The extra type of the hit test.
- string extra_data_for_type;
- // The valid absolute url of the link.
- mojo_base.mojom.String16 href;
- // The anchor text of the link
- mojo_base.mojom.String16 anchor_text;
- // The valid absolute url of the image source.
- url.mojom.Url img_src;
- };
- // Similar to blink::mojom::LocalMainFrame. This interface adds additional
- // things that webview needs from the main frame.
- interface LocalMainFrame {
- // Sets the initial page scale. This overrides initial scale set by
- // the meta viewport tag.
- SetInitialPageScale(double page_scale_factor);
- // Sets the zoom factor for text only. Used in layout modes other than
- // Text Autosizing.
- SetTextZoomFactor(float zoom_factor);
- // Do hit test at the given webview coordinate. "Webview" coordinates are
- // physical pixel values with the 0,0 at the top left of the current displayed
- // view (ie 0,0 is not the top left of the page if the page is scrolled).
- // AwRenderViewHostExt::OnUpdateHitTestData receives the result of the hit
- // test via AwViewHostMsg_UpdateHitTestData IPC message.
- HitTest(gfx.mojom.PointF touch_center, gfx.mojom.SizeF touch_area);
- // Requests for the renderer to determine if the document contains any image
- // elements.
- DocumentHasImage() => (bool has_images);
- // Resets Blink WebView scrolling and scale state. We need to call this
- // method whenever we want to guarantee that page's scale will be recalculated
- // by Blink.
- ResetScrollAndScaleState();
- // Tells Blink to smooth scroll to the specified location within |duration|
- // miliseconds.
- SmoothScroll(
- int32 target_x, int32 target_y, mojo_base.mojom.TimeDelta duration);
- };
- // Similar to blink::mojom::FrameHost. Implemented in Browser, this
- // interface defines frame-specific methods that will be invoked from the
- // renderer process (e.g. AwRenderFrameExt).
- interface FrameHost {
- // Response to AwViewMsg_DoHitTest.
- UpdateHitTestData(HitTestData data);
- // Calls whenever the contents size (as seen by RenderView) is changed.
- ContentsSizeChanged(gfx.mojom.Size contents_size);
- // Calls immediately before a top level navigation is initiated within Blink.
- // There are some exlusions, the most important ones are it is not sent
- // when creating a popup window, and not sent for application initiated
- // navigations. See AwContentRendererClient::HandleNavigation for all
- // cornercases. This is sent before updating the NavigationController state
- // or creating a URLRequest for the main frame resource.
- [Sync]
- ShouldOverrideUrlLoading(mojo_base.mojom.String16 url,
- bool has_user_gesture, bool is_redirect,
- bool is_outermost_main_frame)
- => (bool result);
- };
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