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86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=4 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_GeckoContentController_h
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#define mozilla_layers_GeckoContentController_h
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#include "FrameMetrics.h" // for FrameMetrics, etc
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#include "Units.h" // for CSSIntPoint, CSSRect, etc
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#include "mozilla/Assertions.h" // for MOZ_ASSERT_HELPER2
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#include "nsISupportsImpl.h"
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class Task;
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namespace mozilla {
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namespace layers {
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class GeckoContentController
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{
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GeckoContentController)
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/**
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* Requests a paint of the given FrameMetrics |aFrameMetrics| from Gecko.
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* Implementations per-platform are responsible for actually handling this.
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*/
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virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics) = 0;
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/**
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* Requests handling of a double tap. |aPoint| is in CSS pixels, relative to
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* the current scroll offset. This should eventually round-trip back to
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* AsyncPanZoomController::ZoomToRect with the dimensions that we want to zoom
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* to.
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*/
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virtual void HandleDoubleTap(const CSSIntPoint& aPoint) = 0;
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/**
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* Requests handling a single tap. |aPoint| is in CSS pixels, relative to the
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* current scroll offset. This should simulate and send to content a mouse
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* button down, then mouse button up at |aPoint|.
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*/
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virtual void HandleSingleTap(const CSSIntPoint& aPoint) = 0;
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/**
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* Requests handling a long tap. |aPoint| is in CSS pixels, relative to the
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* current scroll offset.
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*/
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virtual void HandleLongTap(const CSSIntPoint& aPoint) = 0;
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/**
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* Requests sending a mozbrowserasyncscroll domevent to embedder.
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* |aContentRect| is in CSS pixels, relative to the current cssPage.
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* |aScrollableSize| is the current content width/height in CSS pixels.
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*/
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virtual void SendAsyncScrollDOMEvent(FrameMetrics::ViewID aScrollId,
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const CSSRect &aContentRect,
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const CSSSize &aScrollableSize) = 0;
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/**
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* Schedules a runnable to run on the controller/UI thread at some time
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* in the future.
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*/
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virtual void PostDelayedTask(Task* aTask, int aDelayMs) = 0;
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/**
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* Request any special actions be performed when panning starts
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*/
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virtual void HandlePanBegin() {}
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/**
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* Request any special actions be performed when panning ends
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*/
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virtual void HandlePanEnd() {}
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GeckoContentController() {}
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virtual ~GeckoContentController() {}
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};
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}
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}
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#endif // mozilla_layers_GeckoContentController_h
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