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Bug 765079: Text selection in HTML input elements. [r=margaret]

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--HG--
extra : rebase_source : b975954af7f903d9543227970101437a21b21310
This commit is contained in:
Sriram Ramasubramanian 2012-08-03 12:38:40 -07:00
parent 8149453cd7
commit c584a7162b
1 changed files with 45 additions and 15 deletions
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60
mobile/android/chrome/content/browser.js
View File

@ -1379,7 +1379,7 @@ var NativeWindow = {
}
// only send the contextmenu event to content if we are planning to show a context menu (i.e. not on every long tap)
if (this.menuitems) {
if (!this.textContext.matches(element) && this.menuitems) {
let event = rootElement.ownerDocument.createEvent("MouseEvent");
event.initMouseEvent("contextmenu", true, true, content,
0, aX, aY, aX, aY, false, false, false, false,
@ -1522,6 +1522,17 @@ var SelectionHandler = {
this._viewRef = Cu.getWeakReference(aView);
},
// The target can be a window or an input element
get _target() {
if (this._targetRef)
return this._targetRef.get();
return null;
},
set _target(aTarget) {
this._targetRef = Cu.getWeakReference(aTarget);
},
get _cwu() {
return BrowserApp.selectedBrowser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIDOMWindowUtils);
@ -1645,23 +1656,25 @@ var SelectionHandler = {
// Get the element's view
this._view = aElement.ownerDocument.defaultView;
if (aElement instanceof Ci.nsIDOMNSEditableElement)
this._target = aElement;
else
this._target = this._view;
this._view.addEventListener("pagehide", this, false);
this._isRTL = (this._view.getComputedStyle(aElement, "").direction == "rtl");
// Remove any previous selected or created ranges. Tapping anywhere on a
// page will create an empty range.
let selection = this._view.getSelection();
let selection = this.getSelection();
selection.removeAllRanges();
// Position the caret using a fake mouse click sent to the top-level window
this._sendMouseEvents(aX, aY, false);
try {
let selectionController = this._view.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebNavigation).
QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsISelectionDisplay).
QueryInterface(Ci.nsISelectionController);
let selectionController = this.getSelectionController();
// Select the word nearest the caret
selectionController.wordMove(false, false);
@ -1691,6 +1704,24 @@ var SelectionHandler = {
this._active = true;
},
getSelection: function sh_getSelection() {
if (this._target instanceof Ci.nsIDOMNSEditableElement)
return this._target.QueryInterface(Ci.nsIDOMNSEditableElement).editor.selection;
else
return this._target.getSelection();
},
getSelectionController: function sh_getSelectionController() {
if (this._target instanceof Ci.nsIDOMNSEditableElement)
return this._target.QueryInterface(Ci.nsIDOMNSEditableElement).editor.selectionController;
else
return this._target.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebNavigation).
QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsISelectionDisplay).
QueryInterface(Ci.nsISelectionController);
},
showContextMenu: function sh_showContextMenu(aX, aY) {
let [SELECT_ALL, COPY, SHARE] = [0, 1, 2];
let listitems = [
@ -1710,11 +1741,7 @@ var SelectionHandler = {
switch (id) {
case SELECT_ALL: {
let selectionController = this._view.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebNavigation).
QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsISelectionDisplay).
QueryInterface(Ci.nsISelectionController);
let selectionController = this.getSelectionController();
selectionController.selectAll();
this.updateCacheForSelection();
this.positionHandles();
@ -1786,7 +1813,7 @@ var SelectionHandler = {
let selectedText = "";
let pointInSelection = false;
if (this._view) {
let selection = this._view.getSelection();
let selection = this.getSelection();
if (selection) {
// Get the text before we clear the selection!
selectedText = selection.toString().trim();
@ -1813,6 +1840,7 @@ var SelectionHandler = {
this._view.removeEventListener("pagehide", this, false);
this._view = null;
this._target = null;
this._isRTL = false;
this.cache = null;
@ -1837,7 +1865,7 @@ var SelectionHandler = {
_pointInSelection: function sh_pointInSelection(aX, aY) {
let offset = this._getViewOffset();
let rangeRect = this._view.getSelection().getRangeAt(0).getBoundingClientRect();
let rangeRect = this.getSelection().getRangeAt(0).getBoundingClientRect();
let radius = ElementTouchHelper.getTouchRadius();
return (aX - offset.x > rangeRect.left - radius.left &&
aX - offset.x < rangeRect.right + radius.right &&
@ -1848,7 +1876,8 @@ var SelectionHandler = {
// Returns true if the selection has been reversed. Takes optional aIsStartHandle
// param to decide whether the selection has been reversed.
updateCacheForSelection: function sh_updateCacheForSelection(aIsStartHandle) {
let rects = this._view.getSelection().getRangeAt(0).getClientRects();
let selection = this.getSelection();
let rects = selection.getRangeAt(0).getClientRects();
let start = { x: rects[0].left, y: rects[0].bottom };
let end = { x: rects[rects.length - 1].right, y: rects[rects.length - 1].bottom };
@ -1871,6 +1900,7 @@ var SelectionHandler = {
let offset = this._getViewOffset();
let scrollX = {}, scrollY = {};
this._view.top.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).getScrollXY(false, scrollX, scrollY);
sendMessageToJava({
gecko: {
type: "TextSelection:PositionHandles",