зеркало из https://github.com/mozilla/gecko-dev.git
Bug 854605 - (Part 1) Rename SelectionHandler properties to better match metro's SelectionHandler. r=bnicholson
This commit is contained in:
Margaret Leibovic
Родитель
89cc8073b2
Коммит
08fcf90495
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@ -13,33 +13,32 @@ var SelectionHandler = {
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TYPE_SELECTION: 2,
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// Keeps track of data about the dimensions of the selection. Coordinates
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// stored here are relative to the _view window.
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cache: null,
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// stored here are relative to the _contentWindow window.
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_cache: null,
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_activeType: 0, // TYPE_NONE
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// The window that holds the selection (can be a sub-frame)
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get _view() {
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if (this._viewRef)
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return this._viewRef.get();
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get _contentWindow() {
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if (this._contentWindowRef)
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return this._contentWindowRef.get();
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return null;
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},
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set _view(aView) {
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this._viewRef = Cu.getWeakReference(aView);
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set _contentWindow(aContentWindow) {
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this._contentWindowRef = Cu.getWeakReference(aContentWindow);
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},
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// The target can be a window or an input element
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get _target() {
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if (this._targetRef)
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return this._targetRef.get();
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get _targetElement() {
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if (this._targetElementRef)
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return this._targetElementRef.get();
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return null;
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},
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set _target(aTarget) {
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this._targetRef = Cu.getWeakReference(aTarget);
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set _targetElement(aTargetElement) {
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this._targetElementRef = Cu.getWeakReference(aTargetElement);
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},
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get _cwu() {
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get _domWinUtils() {
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return BrowserApp.selectedBrowser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIDOMWindowUtils);
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},
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@ -119,11 +118,11 @@ var SelectionHandler = {
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if (selectionReversed) {
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// Re-send mouse events to update the selection corresponding to the new handles.
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if (this._isRTL) {
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this._sendMouseEvents(this.cache.end.x, this.cache.end.y, false);
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this._sendMouseEvents(this.cache.start.x, this.cache.start.y, true);
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this._sendMouseEvents(this._cache.end.x, this._cache.end.y, false);
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this._sendMouseEvents(this._cache.start.x, this._cache.start.y, true);
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} else {
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this._sendMouseEvents(this.cache.start.x, this.cache.start.y, false);
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this._sendMouseEvents(this.cache.end.x, this.cache.end.y, true);
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this._sendMouseEvents(this._cache.start.x, this._cache.start.y, false);
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this._sendMouseEvents(this._cache.end.x, this._cache.end.y, true);
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}
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}
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@ -190,17 +189,12 @@ var SelectionHandler = {
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// Clear out any existing selection
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this._closeSelection();
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// Get the element's view
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this._view = aElement.ownerDocument.defaultView;
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if (aElement instanceof Ci.nsIDOMNSEditableElement)
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this._target = aElement;
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else
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this._target = this._view;
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this._contentWindow = aElement.ownerDocument.defaultView;
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this._targetElement = aElement;
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this._addObservers();
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this._view.addEventListener("pagehide", this, false);
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this._isRTL = (this._view.getComputedStyle(aElement, "").direction == "rtl");
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this._contentWindow.addEventListener("pagehide", this, false);
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this._isRTL = (this._contentWindow.getComputedStyle(aElement, "").direction == "rtl");
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// Remove any previous selected or created ranges. Tapping anywhere on a
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// page will create an empty range.
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@ -235,7 +229,7 @@ var SelectionHandler = {
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selection.QueryInterface(Ci.nsISelectionPrivate).addSelectionListener(this);
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// Initialize the cache
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this.cache = { start: {}, end: {}};
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this._cache = { start: {}, end: {}};
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this.updateCacheForSelection();
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this._activeType = this.TYPE_SELECTION;
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@ -251,10 +245,10 @@ var SelectionHandler = {
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},
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getSelection: function sh_getSelection() {
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if (this._target instanceof Ci.nsIDOMNSEditableElement)
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return this._target.QueryInterface(Ci.nsIDOMNSEditableElement).editor.selection;
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if (this._targetElement instanceof Ci.nsIDOMNSEditableElement)
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return this._targetElement.QueryInterface(Ci.nsIDOMNSEditableElement).editor.selection;
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else
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return this._target.getSelection();
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return this._contentWindow.getSelection();
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},
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_getSelectedText: function sh_getSelectedText() {
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@ -265,10 +259,10 @@ var SelectionHandler = {
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},
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getSelectionController: function sh_getSelectionController() {
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if (this._target instanceof Ci.nsIDOMNSEditableElement)
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return this._target.QueryInterface(Ci.nsIDOMNSEditableElement).editor.selectionController;
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if (this._targetElement instanceof Ci.nsIDOMNSEditableElement)
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return this._targetElement.QueryInterface(Ci.nsIDOMNSEditableElement).editor.selectionController;
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else
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return this._target.QueryInterface(Ci.nsIInterfaceRequestor).
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return this._contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIWebNavigation).
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QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsISelectionDisplay).
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@ -295,11 +289,11 @@ var SelectionHandler = {
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moveSelection: function sh_moveSelection(aIsStartHandle, aX, aY) {
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// Update the handle position as it's dragged.
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if (aIsStartHandle) {
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this.cache.start.x = aX;
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this.cache.start.y = aY;
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this._cache.start.x = aX;
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this._cache.start.y = aY;
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} else {
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this.cache.end.x = aX;
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this.cache.end.y = aY;
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this._cache.end.x = aX;
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this._cache.end.y = aY;
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}
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// The handles work the same on both LTR and RTL pages, but the underlying selection
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@ -307,17 +301,17 @@ var SelectionHandler = {
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if (this._isRTL) {
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// Position the caret at the end handle using a fake mouse click
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if (!aIsStartHandle)
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this._sendMouseEvents(this.cache.end.x, this.cache.end.y, false);
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this._sendMouseEvents(this._cache.end.x, this._cache.end.y, false);
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// Selects text between the carat and the start handle using a fake shift+click
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this._sendMouseEvents(this.cache.start.x, this.cache.start.y, true);
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this._sendMouseEvents(this._cache.start.x, this._cache.start.y, true);
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} else {
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// Position the caret at the start handle using a fake mouse click
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if (aIsStartHandle)
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this._sendMouseEvents(this.cache.start.x, this.cache.start.y, false);
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this._sendMouseEvents(this._cache.start.x, this._cache.start.y, false);
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// Selects text between the carat and the end handle using a fake shift+click
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this._sendMouseEvents( this.cache.end.x, this.cache.end.y, true);
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this._sendMouseEvents( this._cache.end.x, this._cache.end.y, true);
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}
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},
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@ -327,11 +321,11 @@ var SelectionHandler = {
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if (this._activeType == this.TYPE_CURSOR) {
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// Get rect of text inside element
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let range = document.createRange();
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range.selectNodeContents(this._target.QueryInterface(Ci.nsIDOMNSEditableElement).editor.rootElement);
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range.selectNodeContents(this._targetElement.QueryInterface(Ci.nsIDOMNSEditableElement).editor.rootElement);
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let textBounds = range.getBoundingClientRect();
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// Get rect of editor
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let editorBounds = this._cwu.sendQueryContentEvent(this._cwu.QUERY_EDITOR_RECT, 0, 0, 0, 0);
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let editorBounds = this._domWinUtils.sendQueryContentEvent(this._domWinUtils.QUERY_EDITOR_RECT, 0, 0, 0, 0);
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let editorRect = new Rect(editorBounds.left, editorBounds.top, editorBounds.width, editorBounds.height);
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// Use intersection of the text rect and the editor rect
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@ -363,15 +357,15 @@ var SelectionHandler = {
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aY -= 1;
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}
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this._cwu.sendMouseEventToWindow("mousedown", aX, aY, 0, 0, useShift ? Ci.nsIDOMNSEvent.SHIFT_MASK : 0, true);
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this._cwu.sendMouseEventToWindow("mouseup", aX, aY, 0, 0, useShift ? Ci.nsIDOMNSEvent.SHIFT_MASK : 0, true);
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this._domWinUtils.sendMouseEventToWindow("mousedown", aX, aY, 0, 0, useShift ? Ci.nsIDOMNSEvent.SHIFT_MASK : 0, true);
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this._domWinUtils.sendMouseEventToWindow("mouseup", aX, aY, 0, 0, useShift ? Ci.nsIDOMNSEvent.SHIFT_MASK : 0, true);
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},
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copySelection: function sh_copySelection() {
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let selectedText = this._getSelectedText();
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if (selectedText.length) {
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let clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].getService(Ci.nsIClipboardHelper);
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clipboard.copyString(selectedText, this._view.document);
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clipboard.copyString(selectedText, this._contentWindow.document);
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NativeWindow.toast.show(Strings.browser.GetStringFromName("selectionHelper.textCopied"), "short");
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}
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this._closeSelection();
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@ -411,18 +405,18 @@ var SelectionHandler = {
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sendMessageToJava({ type: "TextSelection:HideHandles" });
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this._removeObservers();
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this._view.removeEventListener("pagehide", this, false);
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this._view.removeEventListener("keydown", this, false);
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this._view.removeEventListener("blur", this, true);
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this._view = null;
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this._target = null;
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this._contentWindow.removeEventListener("pagehide", this, false);
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this._contentWindow.removeEventListener("keydown", this, false);
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this._contentWindow.removeEventListener("blur", this, true);
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this._contentWindow = null;
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this._targetElement = null;
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this._isRTL = false;
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this.cache = null;
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this._cache = null;
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},
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_getViewOffset: function sh_getViewOffset() {
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let offset = { x: 0, y: 0 };
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let win = this._view;
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let win = this._contentWindow;
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// Recursively look through frames to compute the total position offset.
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while (win.frameElement) {
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@ -455,14 +449,14 @@ var SelectionHandler = {
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let end = { x: this._isRTL ? rects[rects.length - 1].left : rects[rects.length - 1].right, y: rects[rects.length - 1].bottom };
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let selectionReversed = false;
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if (this.cache.start) {
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if (this._cache.start) {
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// If the end moved past the old end, but we're dragging the start handle, then that handle should become the end handle (and vice versa)
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selectionReversed = (aIsStartHandle && (end.y > this.cache.end.y || (end.y == this.cache.end.y && end.x > this.cache.end.x))) ||
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(!aIsStartHandle && (start.y < this.cache.start.y || (start.y == this.cache.start.y && start.x < this.cache.start.x)));
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selectionReversed = (aIsStartHandle && (end.y > this._cache.end.y || (end.y == this._cache.end.y && end.x > this._cache.end.x))) ||
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(!aIsStartHandle && (start.y < this._cache.start.y || (start.y == this._cache.start.y && start.x < this._cache.start.x)));
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}
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this.cache.start = start;
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this.cache.end = end;
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this._cache.start = start;
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this._cache.end = end;
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return selectionReversed;
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},
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@ -472,13 +466,13 @@ var SelectionHandler = {
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return;
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// Get the element's view
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this._view = aElement.ownerDocument.defaultView;
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this._target = aElement;
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this._contentWindow = aElement.ownerDocument.defaultView;
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this._targetElement = aElement;
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this._addObservers();
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this._view.addEventListener("pagehide", this, false);
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this._view.addEventListener("keydown", this, false);
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this._view.addEventListener("blur", this, true);
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this._contentWindow.addEventListener("pagehide", this, false);
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this._contentWindow.addEventListener("keydown", this, false);
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this._contentWindow.addEventListener("blur", this, true);
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this._activeType = this.TYPE_CURSOR;
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this.positionHandles();
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@ -491,7 +485,8 @@ var SelectionHandler = {
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positionHandles: function sh_positionHandles() {
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let scrollX = {}, scrollY = {};
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this._view.top.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).getScrollXY(false, scrollX, scrollY);
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this._contentWindow.top.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIDOMWindowUtils).getScrollXY(false, scrollX, scrollY);
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// the checkHidden function tests to see if the given point is hidden inside an
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// iframe/subdocument. this is so that if we select some text inside an iframe and
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@ -500,8 +495,8 @@ var SelectionHandler = {
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let checkHidden = function(x, y) {
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return false;
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};
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if (this._view.frameElement) {
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let bounds = this._view.frameElement.getBoundingClientRect();
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if (this._contentWindow.frameElement) {
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let bounds = this._contentWindow.frameElement.getBoundingClientRect();
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checkHidden = function(x, y) {
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return x < 0 || y < 0 || x > bounds.width || y > bounds.height;
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}
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@ -511,7 +506,7 @@ var SelectionHandler = {
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if (this._activeType == this.TYPE_CURSOR) {
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// The left and top properties returned are relative to the client area
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// of the window, so we don't need to account for a sub-frame offset.
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let cursor = this._cwu.sendQueryContentEvent(this._cwu.QUERY_CARET_RECT, this._target.selectionEnd, 0, 0, 0);
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let cursor = this._domWinUtils.sendQueryContentEvent(this._domWinUtils.QUERY_CARET_RECT, this._targetElement.selectionEnd, 0, 0, 0);
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let x = cursor.left;
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let y = cursor.top + cursor.height;
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positions = [{ handle: this.HANDLE_TYPE_MIDDLE,
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@ -519,10 +514,10 @@ var SelectionHandler = {
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top: y + scrollY.value,
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hidden: checkHidden(x, y) }];
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} else {
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let sx = this.cache.start.x;
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let sy = this.cache.start.y;
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let ex = this.cache.end.x;
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let ey = this.cache.end.y;
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let sx = this._cache.start.x;
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let sy = this._cache.start.y;
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let ex = this._cache.end.x;
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let ey = this._cache.end.y;
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// Translate coordinates to account for selections in sub-frames. We can't cache
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// this because the top-level page may have scrolled since selection started.
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@ -550,7 +545,7 @@ var SelectionHandler = {
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return;
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}
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let scrollView = aElement.ownerDocument.defaultView;
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let view = this._view;
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let view = this._contentWindow;
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while (true) {
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if (view == scrollView) {
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// The selection is in a view (or sub-view) of the view that scrolled.
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