X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=wrt%2Fzouba%2FWRTKit%2FUI%2FActionControl.js;fp=wrt%2Fzouba%2FWRTKit%2FUI%2FActionControl.js;h=f97c8e53477560eb8d2fe601053131ff7a6021fd;hb=29fa83d8856e6aedacac394735fea72038630bde;hp=0000000000000000000000000000000000000000;hpb=07b7b456f3e68d859a32f48ecdc0dfbdf2bf7c83;p=ptas

diff --git a/wrt/zouba/WRTKit/UI/ActionControl.js b/wrt/zouba/WRTKit/UI/ActionControl.js
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+/*
+� Copyright 2008 Nokia Corporation. All rights reserved.
+
+IMPORTANT:  The Nokia software ("WRTKit and Example Widget files") is supplied to you by Nokia
+Corporation (�Nokia�) in consideration of your agreement to the following terms. Your use, installation
+and/or redistribution of the WRTKit and Example Widget files constitutes acceptance of these terms. If
+you do not agree with these terms, please do not use, install, or redistribute the WRTKit and Example
+Widget files.
+
+In consideration of your agreement to abide by the following terms, and subject to these terms, Nokia
+grants you a personal, non-exclusive license, under Nokia�s copyrights in the WRTKit and Example
+Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,
+CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60
+Widgets.
+
+If you redistribute the WRTKit and Example files, you must retain this entire notice in all such
+redistributions of the WRTKit and Example files.
+
+You may not use the name, trademarks, service marks or logos of Nokia to endorse or promote products
+that include the WRTKit and Example files without the prior written explicit agreement with Nokia.
+Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by
+Nokia herein, including but not limited to any patent rights that may be infringed by your products that
+incorporate the WRTKit and Example files or by other works in which the WRTKit and Example files
+may be incorporated.
+
+The WRTKit and Example files are provided on an "AS IS" basis.  NOKIA MAKES NO
+WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
+WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE, REGARDING THE EXAMPLES OR ITS USE AND OPERATION
+ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
+
+IN NO EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, AND/OR
+DISTRIBUTION OF THE EXAMPLES, HOWEVER CAUSED AND WHETHER UNDER THEORY
+OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE,
+EVEN IF NOKIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+///////////////////////////////////////////////////////////////////////////////
+// The ActionControl class is an abstract base class for action controls like
+// buttons. Don't use ActionControl directly.
+
+// Constructor.
+function ActionControl(id, caption) {
+    if (id != UI_NO_INIT_ID) {
+        this.init(id, caption);
+    }
+}
+
+// ActionControl inherits from Control.
+ActionControl.prototype = new Control(UI_NO_INIT_ID);
+
+// Reference to the button element.
+ActionControl.prototype.buttonElement = null;
+
+// Reference to the link element.
+ActionControl.prototype.linkElement = null;
+
+// Enabled status.
+ActionControl.prototype.enabled = false;
+
+// Initializer - called from constructor.
+ActionControl.prototype.init = function(id, caption) {
+    uiLogger.debug("ActionControl.init(" + id + ", " + caption + ")");
+    
+    // call superclass initializer
+    Control.prototype.init.call(this, id, caption);
+    
+    // the control defaults to enabled
+    this.enabled = true;
+}
+
+// Common event listeners hookup function called from subclasses.
+ActionControl.prototype.bindActionControlListeners = function() {
+    var self = this;
+    this.linkElement.addEventListener("focus", function() { self.focusStateChanged(true); }, false);
+    this.linkElement.addEventListener("blur", function() { self.focusStateChanged(false); }, false);
+    this.buttonElement.addEventListener("mouseover", function() { self.hoverStateChanged(true); }, false);
+    this.buttonElement.addEventListener("mouseout", function() { self.hoverStateChanged(false); }, false);
+    this.buttonElement.addEventListener("mousedown", function(event) {
+                                                       self.controlClicked(event);
+                                                       event.stopPropagation();
+                                                       event.preventDefault();
+                                                   }, true);
+    this.buttonElement.addEventListener("keydown", function(event) {
+                                                    // center and enter trigger the action
+                                                    if (event.keyCode == 0 || event.keyCode == 13) {
+                                                        self.controlClicked();
+                                                        event.stopPropagation();
+                                                        event.preventDefault();
+                                                    }
+                                                 }, true);
+}
+
+// Returns the enabled state.
+ActionControl.prototype.isEnabled = function() {
+    return this.enabled;
+}
+
+// Sets the enabled state.
+ActionControl.prototype.setEnabled = function(enabled) {
+    uiLogger.debug("ActionControl.setEnabled(" + enabled + ")");
+    // switch the state
+    this.enabled = enabled;
+}
+
+// Sets the focused state for the control.
+// Note: This may not always succeed.
+ActionControl.prototype.setFocused = function(focused) {
+    uiLogger.debug("ActionControl.setFocused(" + focused + ")");
+    if (this.enabled) {
+        if (focused) {
+            this.linkElement.focus();
+        } else {
+            this.linkElement.blur();
+        }
+    }
+}
+
+// Callback for clicks.
+ActionControl.prototype.controlClicked = function(event) {
+    uiLogger.debug("ActionControl.controlClicked()");
+    
+    // if we're enabled then a click results in an action performed event
+    if (this.enabled) {
+        // focus when clicked
+        if (!this.focused) {
+            this.linkElement.focus();
+        }
+        
+        // notify event listeners
+        this.actionPerformed(event);
+    }
+}
+
+// Callback for action performed events.
+ActionControl.prototype.actionPerformed = function(event) {
+    uiLogger.debug("ActionControl.actionPerformed()");
+    // notify event listeners
+    this.fireEvent(this.createEvent("ActionPerformed", event));
+}