Bug 1413314 - Change precise increment to Ctrl instead of Alt for Linux compat; r=jryans

MozReview-Commit-ID: ErTw1XnmWV5

--HG--
extra : rebase_source : 536e23ebbe54a4d5649c26d703b8b7f86a956af9

devtools/client/inspector/rules/test/browser_rules_edit-property-increments.js

@@ -10,6 +10,8 @@
 // Bug 1275446 - This test happen to hit the default timeout on linux32
 requestLongerTimeout(2);
 
+loader.lazyRequireGetter(this, "system", "devtools/shared/system");
+
 const TEST_URI = `
   <style>
     #test {
@@ -50,10 +52,11 @@ function* testMarginIncrements(view) {
   let marginPropEditor = idRuleEditor.rule.textProps[0].editor;
 
   yield runIncrementTest(marginPropEditor, view, {
-    1: {alt: true, start: "0px", end: "0.1px", selectAll: true},
+    1: { ...getSmallIncrementKey(), start: "0px", end: "0.1px", selectAll: true},
     2: {start: "0px", end: "1px", selectAll: true},
     3: {shift: true, start: "0px", end: "10px", selectAll: true},
-    4: {down: true, alt: true, start: "0.1px", end: "0px", selectAll: true},
+    4: {down: true, ...getSmallIncrementKey(), start: "0.1px",
+        end: "0px", selectAll: true},
     5: {down: true, start: "0px", end: "-1px", selectAll: true},
     6: {down: true, shift: true, start: "0px", end: "-10px", selectAll: true},
     7: {pageUp: true, shift: true, start: "0px", end: "100px", selectAll: true},
@@ -157,7 +160,7 @@ function* testShorthandIncrements(view) {
         end: "-10px 0px 0px 0px", selectAll: true},
     7: {up: true, start: "0.1em .1em 0em 0em", end: "0.1em 1.1em 0em 0em",
         selection: [6, 9]},
-    8: {up: true, alt: true, start: "0.1em .9em 0em 0em",
+    8: {up: true, ...getSmallIncrementKey(), start: "0.1em .9em 0em 0em",
         end: "0.1em 1em 0em 0em", selection: [6, 9]},
     9: {up: true, shift: true, start: "0.2em .2em 0em 0em",
         end: "0.2em 10.2em 0em 0em", selection: [6, 9]}
@@ -172,7 +175,7 @@ function* testOddCases(view) {
 
   yield runIncrementTest(marginPropEditor, view, {
     1: {start: "98.7%", end: "99.7%", selection: [3, 3]},
-    2: {alt: true, start: "98.7%", end: "98.8%", selection: [3, 3]},
+    2: {...getSmallIncrementKey(), start: "98.7%", end: "98.8%", selection: [3, 3]},
     3: {start: "0", end: "1px"},
     4: {down: true, start: "0", end: "-1px"},
     5: {start: "'a=-1'", end: "'a=0'", selection: [4, 4]},
@@ -187,10 +190,10 @@ function* testOddCases(view) {
          selection: [9, 11]},
     12: {start: "url('test1.1.png')", end: "url('test1.2.png')",
          selection: [11, 12]},
-    13: {down: true, alt: true, start: "url('test-0.png')",
+    13: {down: true, ...getSmallIncrementKey(), start: "url('test-0.png')",
          end: "url('test--0.1.png')", selection: [10, 11]},
-    14: {alt: true, start: "url('test--0.1.png')", end: "url('test-0.png')",
-         selection: [10, 14]}
+    14: {...getSmallIncrementKey(), start: "url('test--0.1.png')",
+         end: "url('test-0.png')", selection: [10, 14]}
   });
 }
 
@@ -236,10 +239,11 @@ function* testOpacityIncrements(view) {
   let opacityPropEditor = idRuleEditor.rule.textProps[7].editor;
 
   yield runIncrementTest(opacityPropEditor, view, {
-    1: {alt: true, start: "0.5", end: "0.51", selectAll: true},
+    1: {...getSmallIncrementKey(), start: "0.5", end: "0.51", selectAll: true},
     2: {start: "0", end: "0.1", selectAll: true},
     3: {shift: true, start: "0", end: "1", selectAll: true},
-    4: {down: true, alt: true, start: "0.1", end: "0.09", selectAll: true},
+    4: {down: true, ...getSmallIncrementKey(), start: "0.1",
+        end: "0.09", selectAll: true},
     5: {down: true, start: "0", end: "-0.1", selectAll: true},
     6: {down: true, shift: true, start: "0", end: "-1", selectAll: true},
     7: {pageUp: true, shift: true, start: "0", end: "10", selectAll: true},
@@ -289,7 +293,12 @@ function* testIncrement(editor, options, view) {
     key = "VK_PAGE_UP";
   }
 
-  EventUtils.synthesizeKey(key, {altKey: options.alt, shiftKey: options.shift},
+  let smallIncrementKey = {ctrlKey: options.ctrl};
+  if (system.constants.platform === "macosx") {
+    smallIncrementKey = {altKey: options.alt};
+  }
+
+  EventUtils.synthesizeKey(key, {...smallIncrementKey, shiftKey: options.shift},
     view.styleWindow);
 
   yield onKeyUp;
@@ -302,3 +311,10 @@ function* testIncrement(editor, options, view) {
 
   is(input.value, options.end, "Value changed to " + options.end);
 }
+
+function getSmallIncrementKey() {
+  if (system.constants.platform === "macosx") {
+    return { alt: true };
+  }
+  return { ctrl: true };
+}

devtools/client/shared/inplace-editor.js

@@ -27,6 +27,8 @@ const Services = require("Services");
 const focusManager = Services.focus;
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 
+loader.lazyRequireGetter(this, "system", "devtools/shared/system");
+
 const HTML_NS = "http://www.w3.org/1999/xhtml";
 const CONTENT_TYPES = {
   PLAIN_TEXT: 0,
@@ -1206,6 +1208,13 @@ InplaceEditor.prototype = {
    * Get the increment/decrement step to use for the provided key event.
    */
   _getIncrement: function (event) {
+    const getSmallIncrementKey = (evt) => {
+      if (system.constants.platform === "macosx") {
+        return evt.altKey;
+      }
+      return evt.ctrlKey;
+    };
+
     const largeIncrement = 100;
     const mediumIncrement = 10;
     const smallIncrement = 0.1;
@@ -1219,13 +1228,13 @@ InplaceEditor.prototype = {
       increment = -1 * this.defaultIncrement;
     }
 
-    if (event.shiftKey && !event.altKey) {
+    if (event.shiftKey && !getSmallIncrementKey(event)) {
       if (isKeyIn(key, "PAGE_UP", "PAGE_DOWN")) {
         increment *= largeIncrement;
       } else {
         increment *= mediumIncrement;
       }
-    } else if (event.altKey && !event.shiftKey) {
+    } else if (getSmallIncrementKey(event) && !event.shiftKey) {
       increment *= smallIncrement;
     }