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-rw-r--r--layout/base/MVMContext.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/layout/base/MVMContext.h b/layout/base/MVMContext.h
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+/* 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/. */
+
+#ifndef MVMContext_h_
+#define MVMContext_h_
+
+#include "Units.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/PresShellForwards.h"
+#include "nsISupportsImpl.h"
+#include "nsStringFwd.h"
+#include "nsViewportInfo.h"
+
+class nsIDOMEventListener;
+class nsIObserver;
+class nsISupports;
+
+namespace mozilla {
+
+/**
+ * The interface MobileViewportManager uses to interface with its surroundings.
+ * This mainly exists to facilitate testing MobileViewportManager in isolation
+ * from the rest of Gecko.
+ */
+class MVMContext {
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MVMContext)
+ protected:
+ virtual ~MVMContext() {}
+
+ public:
+ virtual void AddEventListener(const nsAString& aType,
+ nsIDOMEventListener* aListener,
+ bool aUseCapture) = 0;
+ virtual void RemoveEventListener(const nsAString& aType,
+ nsIDOMEventListener* aListener,
+ bool aUseCapture) = 0;
+ virtual void AddObserver(nsIObserver* aObserver, const char* aTopic,
+ bool aOwnsWeak) = 0;
+ virtual void RemoveObserver(nsIObserver* aObserver, const char* aTopic) = 0;
+ virtual void Destroy() = 0;
+
+ virtual nsViewportInfo GetViewportInfo(
+ const ScreenIntSize& aDisplaySize) const = 0;
+ virtual CSSToLayoutDeviceScale CSSToDevPixelScale() const = 0;
+ virtual float GetResolution() const = 0;
+ virtual bool SubjectMatchesDocument(nsISupports* aSubject) const = 0;
+ virtual Maybe<CSSRect> CalculateScrollableRectForRSF() const = 0;
+ virtual bool IsResolutionUpdatedByApz() const = 0;
+ virtual LayoutDeviceMargin ScrollbarAreaToExcludeFromCompositionBounds()
+ const = 0;
+ virtual Maybe<LayoutDeviceIntSize> GetContentViewerSize() const = 0;
+ virtual bool AllowZoomingForDocument() const = 0;
+ virtual bool IsInReaderMode() const = 0;
+ virtual bool IsDocumentLoading() const = 0;
+
+ virtual void SetResolutionAndScaleTo(float aResolution,
+ ResolutionChangeOrigin aOrigin) = 0;
+ virtual void SetVisualViewportSize(const CSSSize& aSize) = 0;
+ virtual void PostVisualViewportResizeEventByDynamicToolbar() = 0;
+ virtual void UpdateDisplayPortMargins() = 0;
+
+ virtual void Reflow(const CSSSize& aNewSize) = 0;
+};
+
+} // namespace mozilla
+
+#endif // MVMContext_h_