linux下粘贴, 多次. 原因:pasteImage会触发paste事件, 导致多次复制

https://github.com/leanote/desktop-app/issues/56

public/js/common.js

@@ -435,6 +435,7 @@ function pasteImage(e) {
 	    FileService.pasteImage2(dataUrl, function(url) {
 			insertImage(url);
 		});
+		e && e.preventDefault();
 	}
 	return;
 
@@ -1481,7 +1482,7 @@ function switchAccount() {
 		var win = new BrowserWindow({ width: 278, height: 326, show: true, frame: false, resizable: false });
 		win.loadUrl('file://' + __dirname + '/login.html');
 	} else {
-		var win = new BrowserWindow({ width: 278, height: 426, show: true, frame: true, resizable: false });
+		var win = new BrowserWindow({ width: 278, height: 400, show: true, frame: true, resizable: false });
 		win.loadUrl('file://' + __dirname + '/login.html');
 	}
 	gui.getCurrentWindow().close();

public/tinymce/plugins/paste/plugin.js

@@ -523,11 +523,23 @@ define("tinymce/pasteplugin/Clipboard", [
 			document.body.appendChild(img);
 		}
 
+		var ever;
 		editor.on('paste', function(e) {
 			if(inAcePrevent()) {
 				return;
 			}
 
+			// start
+			// 以下只是linux需要
+			// -----
+			// 为什么要这个, 因为linux的原因, pasteImage会触发paste事件, 导致多次复制
+			if (ever && new Date().getTime() - ever < 100) {
+				e.preventDefault();
+				return;
+			}
+			ever = new Date().getTime();
+			// end
+
 			var clipboardContent = getClipboardContent(e);
 			var isKeyBoardPaste = new Date().getTime() - keyboardPasteTimeStamp < 100;
 			var plainTextMode = self.pasteFormat == "text" || keyboardPastePlainTextState;
@@ -583,7 +595,7 @@ define("tinymce/pasteplugin/Clipboard", [
 			// paste image
 			try {
 				// common.js
-				pasteImage();
+				pasteImage(e);
 				return;
 				/*
 				if(pasteImage(e)) {