/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nsISupports.idl" interface nsIDocShell; interface nsIURI; interface nsIFrame; interface nsIMessageSender; interface nsIVariant; interface nsIDOMElement; typedef unsigned long long nsContentViewId; /** * These interfaces do *not* scroll or scale the content document; * instead they set a "goal" scroll/scale wrt the current content * view. When the content document is painted, the scroll* * attributes are used to set a compensating transform. If the * metrics of the content document's current pixels don't match the * view config, the transform matrix may need to translate * content pixels and/or perform a "fuzzy-scale" that doesn't * re-rasterize fonts or intelligently resample images. * * The attrs are allowed to transform content pixels in * such a way that the 's visible rect encloses pixels that * the content document does not (yet) define. * * The view scroll values are in units of chrome-document CSS * pixels. * * These APIs are designed to be used with nsIDOMWindowUtils * setDisplayPort() and setResolution(). */ [scriptable, uuid(c04c5c40-fa2a-4e9c-94f5-b362a10a86cb)] interface nsIContentView : nsISupports { /** * Scroll view to or by the given chrome-document CSS pixels. * Fails if the view is no longer valid. */ void scrollTo(in float xPx, in float yPx); void scrollBy(in float dxPx, in float dyPx); void setScale(in float xScale, in float yScale); /** * Scroll offset in chrome-document CSS pixels. * * When this view is active (i.e. it is being painted because it's in the * visible region of the screen), this value is at first lined up with the * content's scroll offset. * * Note that when this view becomes inactive, the new content view will have * scroll values that are reset to the default! */ readonly attribute float scrollX; readonly attribute float scrollY; /** * Dimensions of the viewport in chrome-document CSS pixels. */ readonly attribute float viewportWidth; readonly attribute float viewportHeight; /** * Dimensions of scrolled content in chrome-document CSS pixels. */ readonly attribute float contentWidth; readonly attribute float contentHeight; /** * ID that can be used in conjunction with nsIDOMWindowUtils to change * the actual document, instead of just how it is transformed. */ readonly attribute nsContentViewId id; }; [scriptable, uuid(ba5af90d-ece5-40b2-9a1d-a0154128db1c)] interface nsIContentViewManager : nsISupports { /** * Retrieve view scrolling/scaling interfaces in a given area, * used to support asynchronous re-paints of content pixels. * These interfaces are only meaningful for . * * Pixels are in chrome device pixels and are relative to the browser * element. * * @param aX x coordinate that will be in target rectangle * @param aY y coordinate that will be in target rectangle * @param aTopSize How much to expand up the rectangle * @param aRightSize How much to expand right the rectangle * @param aBottomSize How much to expand down the rectangle * @param aLeftSize How much to expand left the rectangle */ void getContentViewsIn(in float aXPx, in float aYPx, in float aTopSize, in float aRightSize, in float aBottomSize, in float aLeftSize, [optional] out unsigned long aLength, [retval, array, size_is(aLength)] out nsIContentView aResult); /** * The root content view. */ readonly attribute nsIContentView rootContentView; }; [scriptable, uuid(f234c232-bb17-4450-b324-bf1ef5ccfd34)] interface nsIFrameLoader : nsISupports { /** * Get the docshell from the frame loader. */ readonly attribute nsIDocShell docShell; /** * Start loading the frame. This method figures out what to load * from the owner content in the frame loader. */ void loadFrame(); /** * Loads the specified URI in this frame. Behaves identically to loadFrame, * except that this method allows specifying the URI to load. */ void loadURI(in nsIURI aURI); /** * Destroy the frame loader and everything inside it. This will * clear the weak owner content reference. */ void destroy(); /** * Find out whether the loader's frame is at too great a depth in * the frame tree. This can be used to decide what operations may * or may not be allowed on the loader's docshell. */ readonly attribute boolean depthTooGreat; /** * Updates the position and size of the subdocument loaded by this frameloader. * * @param aIFrame The nsIFrame for the content node that owns this frameloader */ [noscript] void updatePositionAndSize(in nsIFrame aIFrame); /** * Activate remote frame. * Throws an exception with non-remote frames. */ void activateRemoteFrame(); /** * Deactivate remote frame. * Throws an exception with non-remote frames. */ void deactivateRemoteFrame(); /** * @see nsIDOMWindowUtils sendMouseEvent. */ void sendCrossProcessMouseEvent(in AString aType, in float aX, in float aY, in long aButton, in long aClickCount, in long aModifiers, [optional] in boolean aIgnoreRootScrollFrame); /** * Activate event forwarding from client (remote frame) to parent. */ void activateFrameEvent(in AString aType, in boolean capture); // Note, when frameloaders are swapped, also messageManagers are swapped. readonly attribute nsIMessageSender messageManager; /** * @see nsIDOMWindowUtils sendKeyEvent. */ void sendCrossProcessKeyEvent(in AString aType, in long aKeyCode, in long aCharCode, in long aModifiers, [optional] in boolean aPreventDefault); attribute boolean delayRemoteDialogs; /** * The default rendering mode is synchronous scrolling. In this * mode, it's an error to try to set a target viewport. */ const unsigned long RENDER_MODE_DEFAULT = 0x00000000; /** * When asynchronous scrolling is enabled, a target viewport can be * set to transform content pixels wrt its CSS viewport. * * NB: when async scrolling is enabled, it's the *user's* * responsibility to update the target scroll offset. In effect, * the platform hands over control of scroll offset to the user. */ const unsigned long RENDER_MODE_ASYNC_SCROLL = 0x00000001; attribute unsigned long renderMode; /** * The default event mode automatically forwards the events * handled in nsEventStateManager::HandleCrossProcessEvent to * the child content process when these events are targeted to * the remote browser element. * * Used primarly for input events (mouse, keyboard) */ const unsigned long EVENT_MODE_NORMAL_DISPATCH = 0x00000000; /** * With this event mode, it's the application's responsability to * convert and forward events to the content process */ const unsigned long EVENT_MODE_DONT_FORWARD_TO_CHILD = 0x00000001; attribute unsigned long eventMode; /** * If false, then the subdocument is not clipped to its CSS viewport, and the * subdocument's viewport scrollbar(s) are not rendered. * Defaults to true. */ attribute boolean clipSubdocument; /** * If false, then the subdocument's scroll coordinates will not be clamped * to their scroll boundaries. * Defaults to true. */ attribute boolean clampScrollPosition; /** * The element which owns this frame loader. * * For example, if this is a frame loader for an