Index: chrome/browser/resources/chromeos/select_to_speak/select_to_speak.js |
diff --git a/chrome/browser/resources/chromeos/select_to_speak/select_to_speak.js b/chrome/browser/resources/chromeos/select_to_speak/select_to_speak.js |
index 21d3c20143460cc10d370b89c63822d445b6715f..3a8fdcd127b9e61e6824fb691a141d1285083ec6 100644 |
--- a/chrome/browser/resources/chromeos/select_to_speak/select_to_speak.js |
+++ b/chrome/browser/resources/chromeos/select_to_speak/select_to_speak.js |
@@ -53,20 +53,36 @@ var SelectToSpeak = function() { |
this.node_ = null; |
/** @private { boolean } */ |
- this.down_ = false; |
+ this.trackingMouse_ = false; |
+ |
+ /** @private { boolean } */ |
+ this.didTrackMouse_ = false; |
+ |
+ /** @private { boolean } */ |
+ this.searchKeyDown_ = false; |
David Tseng
2017/05/16 15:54:39
nit: isSearchKeyDown_
dmazzoni
2017/05/16 18:23:48
Done.
|
+ |
+ /** @private { Set } */ |
David Tseng
2017/05/16 15:54:42
nit: !Set<number>
dmazzoni
2017/05/16 18:23:48
Done.
|
+ this.keysCurrentlyDown_ = new Set(); |
+ |
+ /** @private { Set } */ |
+ this.keysPressedTogether_ = new Set(); |
/** @private {{x: number, y: number}} */ |
this.mouseStart_ = {x: 0, y: 0}; |
+ /** @private {{x: number, y: number}} */ |
+ this.mouseEnd_ = {x: 0, y: 0}; |
+ |
+ /** @private {AutomationRootNode} */ |
chrome.automation.getDesktop(function(desktop) { |
+ this.desktop_ = desktop; |
+ |
+ // After the user selects a region of the screen, we do a hit test at |
+ // the center of that box using the automation API. The result of the |
+ // hit test is a MOUSE_RELEASED accessibility event. |
desktop.addEventListener( |
- EventType.MOUSE_PRESSED, this.onMousePressed_.bind(this), true); |
- desktop.addEventListener( |
- EventType.MOUSE_DRAGGED, this.onMouseDragged_.bind(this), true); |
- desktop.addEventListener( |
- EventType.MOUSE_RELEASED, this.onMouseReleased_.bind(this), true); |
- desktop.addEventListener( |
- EventType.MOUSE_CANCELED, this.onMouseCanceled_.bind(this), true); |
+ EventType.MOUSE_RELEASED, this.onAutomationHitTest_.bind(this), |
+ true); |
}.bind(this)); |
/** @private { ?string } */ |
@@ -85,22 +101,39 @@ var SelectToSpeak = function() { |
this.color_ = "#f73a98"; |
this.initPreferences_(); |
+ |
+ this.setUpEventListeners_(); |
}; |
+/** @const {number} */ |
+SelectToSpeak.SEARCH_KEY_CODE = 91; |
+ |
+/** @const {number} */ |
+SelectToSpeak.CONTROL_KEY_CODE = 17; |
+ |
SelectToSpeak.prototype = { |
/** |
* Called when the mouse is pressed and the user is in a mode where |
* select-to-speak is capturing mouse events (for example holding down |
* Search). |
* |
- * @param {!AutomationEvent} evt |
+ * @param {!Event} evt The DOM event |
+ * @return {boolean} True if the default action should be performed. |
*/ |
- onMousePressed_: function(evt) { |
- this.down_ = true; |
- this.mouseStart_ = {x: evt.mouseX, y: evt.mouseY}; |
- this.startNode_ = evt.target; |
+ onMouseDown_: function(evt) { |
+ if (!this.searchKeyDown_) |
+ return false; |
David Tseng
2017/05/16 15:54:43
return true
dmazzoni
2017/05/16 18:23:48
Leaving as false since we're not reinjecting
|
+ |
+ this.trackingMouse_ = true; |
+ this.didTrackMouse_ = true; |
+ this.mouseStart_ = {x: evt.screenX, y: evt.screenY}; |
chrome.tts.stop(); |
- this.onMouseDragged_(evt); |
+ |
+ // Fire a hit test event on click to warm up the cache. |
+ this.desktop_.hitTest(evt.screenX, evt.screenY, EventType.MOUSE_PRESSED); |
+ |
+ this.onMouseMove_(evt); |
+ return false; |
}, |
/** |
@@ -108,16 +141,18 @@ SelectToSpeak.prototype = { |
* mode where select-to-speak is capturing mouse events (for example |
* holding down Search). |
* |
- * @param {!AutomationEvent} evt |
+ * @param {!Event} evt The DOM event |
+ * @return {boolean} True if the default action should be performed. |
*/ |
- onMouseDragged_: function(evt) { |
- if (!this.down_) |
- return; |
+ onMouseMove_: function(evt) { |
+ if (!this.trackingMouse_) |
+ return false; |
David Tseng
2017/05/16 15:54:39
return true
|
var rect = rectFromPoints( |
this.mouseStart_.x, this.mouseStart_.y, |
- evt.mouseX, evt.mouseY); |
+ evt.screenX, evt.screenY); |
chrome.accessibilityPrivate.setFocusRing([rect], this.color_); |
+ return false; |
}, |
/** |
@@ -125,45 +160,120 @@ SelectToSpeak.prototype = { |
* mode where select-to-speak is capturing mouse events (for example |
* holding down Search). |
* |
- * @param {!AutomationEvent} evt |
+ * @param {!Event} evt |
+ * @return {boolean} True if the default action should be performed. |
*/ |
- onMouseReleased_: function(evt) { |
- this.onMouseDragged_(evt); |
- this.down_ = false; |
+ onMouseUp_: function(evt) { |
+ this.onMouseMove_(evt); |
+ this.trackingMouse_ = false; |
chrome.accessibilityPrivate.setFocusRing([]); |
- // Walk up to the nearest window, web area, or dialog that the |
+ this.mouseEnd_ = {x: evt.screenX, y: evt.screenY}; |
+ var ctrX = Math.floor((this.mouseStart_.x + this.mouseEnd_.x) / 2); |
+ var ctrY = Math.floor((this.mouseStart_.y + this.mouseEnd_.y) / 2); |
+ |
+ // Do a hit test at the center of the area the user dragged over. |
+ // This will give us some context when searching the accessibility tree. |
+ // The hit test will result in a EventType.MOUSE_RELEASED event being |
+ // fired on the result of that hit test, which will trigger |
+ // onAutomationHitTest_. |
+ this.desktop_.hitTest(ctrX, ctrY, EventType.MOUSE_RELEASED); |
+ return false; |
+ }, |
+ |
+ /** |
+ * Called in response to our hit test after the mouse is released, |
+ * when the user is in a mode where select-to-speak is capturing |
+ * mouse events (for example holding down Search). |
+ * |
+ * @param {!AutomationEvent} evt The automation event. |
+ */ |
+ onAutomationHitTest_: function(evt) { |
+ // Walk up to the nearest window, web area, toolbar, or dialog that the |
// hit node is contained inside. Only speak objects within that |
// container. In the future we might include other container-like |
// roles here. |
- var root = this.startNode_; |
+ var root = evt.target; |
while (root.parent && |
root.role != RoleType.WINDOW && |
root.role != RoleType.ROOT_WEB_AREA && |
root.role != RoleType.DESKTOP && |
- root.role != RoleType.DIALOG) { |
+ root.role != RoleType.DIALOG && |
+ root.role != RoleType.ALERT_DIALOG && |
+ root.role != RoleType.TOOLBAR) { |
root = root.parent; |
} |
var rect = rectFromPoints( |
this.mouseStart_.x, this.mouseStart_.y, |
- evt.mouseX, evt.mouseY); |
+ this.mouseEnd_.x, this.mouseEnd_.y); |
var nodes = []; |
this.findAllMatching_(root, rect, nodes); |
this.startSpeechQueue_(nodes); |
}, |
/** |
- * Called when the user cancels select-to-speak's capturing of mouse |
- * events (for example by releasing Search while the mouse is still down). |
- * |
- * @param {!AutomationEvent} evt |
+ * @param {!Event} evt |
*/ |
- onMouseCanceled_: function(evt) { |
- this.down_ = false; |
- chrome.accessibilityPrivate.setFocusRing([]); |
- chrome.tts.stop(); |
+ onKeyDown_: function(evt) { |
+ if (this.keysPressedTogether_.size == 0 && |
+ evt.keyCode == SelectToSpeak.SEARCH_KEY_CODE) { |
+ this.searchKeyDown_ = true; |
+ } else if (!this.trackingMouse_) { |
+ this.searchKeyDown_ = false; |
+ } |
+ |
+ this.keysCurrentlyDown_.add(evt.keyCode); |
+ this.keysPressedTogether_.add(evt.keyCode); |
+ }, |
+ |
+ /** |
+ * @param {!Event} evt |
+ */ |
+ onKeyUp_: function(evt) { |
+ if (evt.keyCode == SelectToSpeak.SEARCH_KEY_CODE) { |
+ this.searchKeyDown_ = false; |
+ |
+ // If we were in the middle of tracking the mouse, cancel it. |
+ if (this.trackingMouse_) { |
+ this.trackingMouse_ = false; |
+ chrome.accessibilityPrivate.setFocusRing([]); |
+ chrome.tts.stop(); |
+ } |
+ } |
+ |
+ // Stop speech when the user taps and releases Control or Search |
+ // without using the mouse or pressing any other keys along the way. |
+ if (!this.didTrackMouse_ && |
+ (evt.keyCode == SelectToSpeak.SEARCH_KEY_CODE || |
+ evt.keyCode == SelectToSpeak.CONTROL_KEY_CODE) && |
+ this.keysPressedTogether_.has(evt.keyCode) && |
+ this.keysPressedTogether_.size == 1) { |
+ this.trackingMouse_ = false; |
+ chrome.accessibilityPrivate.setFocusRing([]); |
+ chrome.tts.stop(); |
+ } |
+ |
+ this.keysCurrentlyDown_.delete(evt.keyCode); |
+ if (this.keysCurrentlyDown_.size == 0) { |
+ this.keysPressedTogether_.clear(); |
+ this.didTrackMouse_ = false; |
+ } |
+ }, |
+ |
+ /** |
+ * Set up event listeners for mouse ane keyboard events. These are |
David Tseng
2017/05/16 15:54:41
s/ane/and
dmazzoni
2017/05/16 18:23:48
Done.
|
+ * forwarded to us from the SelectToSpeakEventHandler so they should |
+ * be interpreted as global events on the whole screen, not local to |
+ * any particular window. |
+ */ |
+ setUpEventListeners_: function() { |
+ document.addEventListener('keydown', this.onKeyDown_.bind(this)); |
+ document.addEventListener('keyup', this.onKeyUp_.bind(this)); |
+ document.addEventListener('mousedown', this.onMouseDown_.bind(this)); |
+ document.addEventListener('mousemove', this.onMouseMove_.bind(this)); |
+ document.addEventListener('mouseup', this.onMouseUp_.bind(this)); |
}, |
/** |
@@ -283,7 +393,6 @@ SelectToSpeak.prototype = { |
* Get the list of TTS voices, and set the default voice if not already set. |
*/ |
updateDefaultVoice_: function() { |
- console.log('updateDefaultVoice_ ' + this.down_); |
var uiLocale = chrome.i18n.getMessage('@@ui_locale'); |
uiLocale = uiLocale.replace('_', '-').toLowerCase(); |
David Tseng
2017/05/16 15:54:40
For future cl. An extjs test would be appropriate
dmazzoni
2017/05/16 18:23:48
Sounds good
|