summaryrefslogtreecommitdiffstats
path: root/docshell/base/nsIContentViewer.idl
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--docshell/base/nsIContentViewer.idl318
1 files changed, 318 insertions, 0 deletions
diff --git a/docshell/base/nsIContentViewer.idl b/docshell/base/nsIContentViewer.idl
new file mode 100644
index 0000000000..4f9dab1c35
--- /dev/null
+++ b/docshell/base/nsIContentViewer.idl
@@ -0,0 +1,318 @@
+/* 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 nsISHEntry;
+interface nsIPrintSettings;
+webidl Document;
+webidl Node;
+
+%{ C++
+#include "mozilla/Maybe.h"
+#include "nsTArray.h"
+#include "nsRect.h"
+#include "Units.h"
+
+class nsIWidget;
+class nsPresContext;
+class nsView;
+class nsDOMNavigationTiming;
+namespace mozilla {
+class Encoding;
+class PresShell;
+namespace dom {
+class WindowGlobalChild;
+} // namespace dom
+namespace layout {
+class RemotePrintJobChild;
+} // namespace layout
+} // namespace mozilla
+%}
+
+[ptr] native nsIWidgetPtr(nsIWidget);
+[ref] native nsIntRectRef(nsIntRect);
+[ptr] native nsPresContextPtr(nsPresContext);
+[ptr] native nsViewPtr(nsView);
+[ptr] native nsDOMNavigationTimingPtr(nsDOMNavigationTiming);
+[ptr] native Encoding(const mozilla::Encoding);
+[ptr] native PresShellPtr(mozilla::PresShell);
+[ptr] native RemotePrintJobChildPtr(mozilla::layout::RemotePrintJobChild);
+[ptr] native WindowGlobalChildPtr(mozilla::dom::WindowGlobalChild);
+
+[scriptable, builtinclass, uuid(2da17016-7851-4a45-a7a8-00b360e01595)]
+interface nsIContentViewer : nsISupports
+{
+ [noscript] void init(in nsIWidgetPtr aParentWidget,
+ [const] in nsIntRectRef aBounds,
+ in WindowGlobalChildPtr aWindowActor);
+
+ attribute nsIDocShell container;
+
+ [noscript,notxpcom,nostdcall] void loadStart(in Document aDoc);
+ [can_run_script] void loadComplete(in nsresult aStatus);
+ [notxpcom,nostdcall] readonly attribute boolean loadCompleted;
+
+ [notxpcom,nostdcall] readonly attribute boolean isStopped;
+
+ /**
+ * aAction is passed to PermitUnload to indicate what action to take
+ * if a beforeunload handler wants to prompt the user.
+ *
+ * ePrompt: Prompt and return the user's choice (default).
+ * eDontPromptAndDontUnload: Don't prompt and return false (unload not permitted)
+ * if the document (or its children) asks us to prompt.
+ * eDontPromptAndUnload: Don't prompt and return true (unload permitted) no matter what.
+ *
+ * NOTE: Keep this in sync with PermitUnloadAction in WindowGlobalActors.webidl.
+ */
+ cenum PermitUnloadAction : 8 {
+ ePrompt = 0,
+ eDontPromptAndDontUnload = 1,
+ eDontPromptAndUnload = 2
+ };
+
+ /**
+ * The result of dispatching a "beforeunload" event. If `eAllowNavigation`,
+ * no "beforeunload" listener requested to prevent the navigation, or its
+ * request was ignored. If `eRequestBlockNavigation`, a listener did request
+ * to block the navigation, and the user should be prompted.
+ */
+ cenum PermitUnloadResult : 8 {
+ eAllowNavigation = 0,
+ eRequestBlockNavigation = 1,
+ };
+
+ /**
+ * Overload PermitUnload method for C++ consumers with no aPermitUnloadFlags
+ * argument.
+ */
+ %{C++
+ nsresult PermitUnload(bool* canUnload) {
+ return PermitUnload(ePrompt, canUnload);
+ }
+ %}
+
+ /**
+ * Checks if the document wants to prevent unloading by firing beforeunload on
+ * the document.
+ * The result is returned.
+ */
+ boolean permitUnload([optional] in nsIContentViewer_PermitUnloadAction aAction);
+
+ /**
+ * Exposes whether we're blocked in a call to permitUnload.
+ */
+ readonly attribute boolean inPermitUnload;
+
+ /**
+ * Dispatches the "beforeunload" event and returns the result, as documented
+ * in the `PermitUnloadResult` enum.
+ */
+ [noscript,nostdcall,notxpcom] nsIContentViewer_PermitUnloadResult dispatchBeforeUnload();
+
+ /**
+ * Exposes whether we're in the process of firing the beforeunload event.
+ * In this case, the corresponding docshell will not allow navigation.
+ */
+ readonly attribute boolean beforeUnloadFiring;
+
+ [can_run_script] void pageHide(in boolean isUnload);
+
+ /**
+ * All users of a content viewer are responsible for calling both
+ * close() and destroy(), in that order.
+ *
+ * close() should be called when the load of a new page for the next
+ * content viewer begins, and destroy() should be called when the next
+ * content viewer replaces this one.
+ *
+ * |historyEntry| sets the session history entry for the content viewer. If
+ * this is null, then Destroy() will be called on the document by close().
+ * If it is non-null, the document will not be destroyed, and the following
+ * actions will happen when destroy() is called (*):
+ * - Sanitize() will be called on the viewer's document
+ * - The content viewer will set the contentViewer property on the
+ * history entry, and release its reference (ownership reversal).
+ * - hide() will be called, and no further destruction will happen.
+ *
+ * (*) unless the document is currently being printed, in which case
+ * it will never be saved in session history.
+ *
+ */
+ void close(in nsISHEntry historyEntry);
+ void destroy();
+
+ void stop();
+
+ /**
+ * Returns the same thing as getDocument(), but for use from script
+ * only. C++ consumers should use getDocument().
+ */
+ readonly attribute Document DOMDocument;
+
+ /**
+ * Returns DOMDocument without addrefing.
+ */
+ [noscript,notxpcom,nostdcall] Document getDocument();
+
+ /**
+ * Allows setting the document.
+ */
+ [noscript,nostdcall] void setDocument(in Document aDocument);
+
+ [noscript] void getBounds(in nsIntRectRef aBounds);
+ [noscript] void setBounds([const] in nsIntRectRef aBounds);
+ /**
+ * The 'aFlags' argument to setBoundsWithFlags is a set of these bits.
+ */
+ const unsigned long eDelayResize = 1;
+ [noscript] void setBoundsWithFlags([const] in nsIntRectRef aBounds,
+ in unsigned long aFlags);
+
+ /**
+ * The previous content viewer, which has been |close|d but not
+ * |destroy|ed.
+ */
+ [notxpcom,nostdcall] attribute nsIContentViewer previousViewer;
+
+ void move(in long aX, in long aY);
+
+ void show();
+ void hide();
+
+ attribute boolean sticky;
+
+ /**
+ * Attach the content viewer to its DOM window and docshell.
+ * @param aState A state object that might be useful in attaching the DOM
+ * window.
+ * @param aSHEntry The history entry that the content viewer was stored in.
+ * The entry must have the docshells for all of the child
+ * documents stored in its child shell list.
+ */
+ void open(in nsISupports aState, in nsISHEntry aSHEntry);
+
+ /**
+ * Clears the current history entry. This is used if we need to clear out
+ * the saved presentation state.
+ */
+ void clearHistoryEntry();
+
+ /**
+ * Change the layout to view the document with page layout (like print preview), but
+ * dynamic and editable (like Galley layout).
+ */
+ void setPageModeForTesting(in boolean aPageMode,
+ in nsIPrintSettings aPrintSettings);
+
+ /**
+ * Sets the print settings for print / print-previewing a subdocument.
+ */
+ [can_run_script] void setPrintSettingsForSubdocument(in nsIPrintSettings aPrintSettings,
+ in RemotePrintJobChildPtr aRemotePrintJob);
+
+ /**
+ * Get the history entry that this viewer will save itself into when
+ * destroyed. Can return null
+ */
+ readonly attribute nsISHEntry historyEntry;
+
+ /**
+ * Indicates when we're in a state where content shouldn't be allowed to
+ * trigger a tab-modal prompt (as opposed to a window-modal prompt) because
+ * we're part way through some operation (eg beforeunload) that shouldn't be
+ * rentrant if the user closes the tab while the prompt is showing.
+ * See bug 613800.
+ */
+ readonly attribute boolean isTabModalPromptAllowed;
+
+ /**
+ * Returns whether this content viewer is in a hidden state.
+ *
+ * @note Only Gecko internal code should set the attribute!
+ */
+ attribute boolean isHidden;
+
+ // presShell can be null.
+ [notxpcom,nostdcall] readonly attribute PresShellPtr presShell;
+ // presContext can be null.
+ [notxpcom,nostdcall] readonly attribute nsPresContextPtr presContext;
+ // aDocument must not be null.
+ [noscript] void setDocumentInternal(in Document aDocument,
+ in boolean aForceReuseInnerWindow);
+ /**
+ * Find the view to use as the container view for MakeWindow. Returns
+ * null if this will be the root of a view manager hierarchy. In that
+ * case, if mParentWidget is null then this document should not even
+ * be displayed.
+ */
+ [noscript,notxpcom,nostdcall] nsViewPtr findContainerView();
+ /**
+ * Set collector for navigation timing data (load, unload events).
+ */
+ [noscript,notxpcom,nostdcall] void setNavigationTiming(in nsDOMNavigationTimingPtr aTiming);
+
+ /**
+ * The actual full zoom in effect, as modified by the device context.
+ * For a requested full zoom, the device context may choose a slightly
+ * different effectiveFullZoom to accomodate integer rounding of app units
+ * per dev pixel. This property returns the actual zoom amount in use,
+ * though it may not be good user experience to report that a requested zoom
+ * of 90% is actually 89.1%, for example. This value is provided primarily to
+ * support media queries of dppx values, because those queries are matched
+ * against the actual native device pixel ratio and the actual full zoom.
+ *
+ * You should only need this for testing.
+ */
+ readonly attribute float deviceFullZoomForTest;
+
+ /**
+ * Disable entire author style level (including HTML presentation hints),
+ * for this viewer but not any child viewers.
+ */
+ attribute boolean authorStyleDisabled;
+
+ /**
+ * Returns the preferred width and height of the content, constrained to the
+ * given maximum values. If either maxWidth or maxHeight is less than or
+ * equal to zero, that dimension is not constrained.
+ *
+ * If a pref width is provided, it is max'd with the min-content size.
+ *
+ * All input and output values are in CSS pixels.
+ */
+ void getContentSize(in long maxWidth,
+ in long maxHeight,
+ in long prefWidth,
+ out long width,
+ out long height);
+
+%{C++
+ mozilla::Maybe<mozilla::CSSIntSize> GetContentSize(int32_t aMaxWidth = 0, int32_t aMaxHeight = 0, int32_t aPrefWidth = 0) {
+ int32_t w = 0;
+ int32_t h = 0;
+ if (NS_SUCCEEDED(GetContentSize(aMaxWidth, aMaxHeight, aPrefWidth, &w, &h))) {
+ return mozilla::Some(mozilla::CSSIntSize(w, h));
+ }
+ return mozilla::Nothing();
+ }
+%}
+
+ [noscript, notxpcom] Encoding getReloadEncodingAndSource(out int32_t aSource);
+ [noscript, notxpcom] void setReloadEncodingAndSource(in Encoding aEncoding, in int32_t aSource);
+ [noscript, notxpcom] void forgetReloadEncoding();
+};
+
+%{C++
+namespace mozilla {
+namespace dom {
+
+using XPCOMPermitUnloadAction = nsIContentViewer::PermitUnloadAction;
+using PermitUnloadResult = nsIContentViewer::PermitUnloadResult;
+
+} // namespace dom
+} // namespace mozilla
+%}