Write a devtools extension to inspect chrome.storage data

chrome/common/extensions/docs/examples/extensions/storage_api_devtools/scripts/devtools.js

Index: chrome/common/extensions/docs/examples/extensions/storage_api_devtools/scripts/devtools.js
===================================================================
--- chrome/common/extensions/docs/examples/extensions/storage_api_devtools/scripts/devtools.js	(revision 0)
+++ chrome/common/extensions/docs/examples/extensions/storage_api_devtools/scripts/devtools.js	(revision 0)
@@ -0,0 +1,130 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// See https://bugs.webkit.org/show_bug.cgi?id=106811.
+var supportContentScriptEval = false;
+var chromeVer = navigator.appVersion.match(/Chrome\/\d+\.\d+\.(\d+)\.\d+/);
+if (chromeVer && parseInt(chromeVer[1]) >= 1448)
+  supportContentScriptEval = true;
+var createdPanels = {};
+
+function cloneContext(context) {
+  var result = {};
+  for (var key in context)
+    if (key != 'initialized')
+      result[key] = context[key];
+  return result;
+}
+
+function indexOfContext(context, contexts) {
+  for (var i = 0; i < contexts.length; ++i)
+    if(contexts[i].type == context.type &&
+        contexts[i].securityOrigin == context.securityOrigin)
+      return i;
+  return -1;
+}
+
+function initContextsForPanel(panelId) {
+  var panel = createdPanels[panelId];
+  if (!panel.window)
+    return;
+
+  panel.contexts.forEach(function(context) {
+    if (!context.initialized) {
+      context.initialized = true;
+      panel.window.onContextAdded([cloneContext(context)]);
+    }
+  });
+}
+
+function initPanels(context)
+{
+  PANELS.forEach(function(panel) {
+    if (panel.supportedContexts.indexOf(context.type) != -1) {
+      var options = {};
+      if (supportContentScriptEval && context.type == 'contentScripts')
+        options = {scriptExecutionContext: context.securityOrigin};
+      evalScript(panel.detectScript, options, null,
+          function(result, isException) {
+        if (!isException && result) {
+          if (createdPanels[panel.id]) {
+            if(indexOfContext(context, createdPanels[panel.id].contexts) == -1)
+              createdPanels[panel.id].contexts.push(context);
+            initContextsForPanel(panel.id);
+          } else {
+            createdPanels[panel.id] = {contexts: [context]};
+            chrome.devtools.panels.create(
+                chrome.i18n.getMessage(panel.title_i18n),
+                panel.icon,
+                panel.page,
+                function(extensionPanel) {
+                  createdPanels[panel.id].extensionPanel = extensionPanel;
+                  extensionPanel.onShown.addListener(function(win) {
+                    createdPanels[panel.id].window = win;
+                    win.devtoolsReload = (function() {
+                      createdPanels[panel.id].contexts = [];
+                      initContexts(initPanels);
+                    });
+
+                    win.onInspectedWindowUnloaded = (function() {
+                      createdPanels[panel.id].contexts = [];
+                    });
+
+                    initContextsForPanel(panel.id);
+                  });
+                }
+            );
+          }
+        }
+      });
+    }
+  });
+}
+
+function initContexts(callback) {
+  var tabId = chrome.devtools.inspectedWindow.tabId;
+  // Normal web pages and extensions UI pages have tab ids.
+  if (tabId)
+    isExtensionTab(tabId, function(result) {
+      if (result)
+        callback({type: 'extensions'});
+      else if (supportContentScriptEval)
+        getExtensionIds(function(ids) {
+          ids.forEach(function(id) {
+            var securityOrigin = 'chrome-extension://' + id;
+            chrome.devtools.inspectedWindow.eval('1',
+                {scriptExecutionContext: securityOrigin},
+                function(result, isException) {
+              if (result === 1 && !isException) {
+                callback({
+                    type: 'contentScripts',
+                    extensionId: id,
+                    securityOrigin: securityOrigin
+                });
+              }
+            });
+          });
+        });
+    });
+  // Extensions background pages and popups do not have tab ids
+  else {
+    chrome.devtools.inspectedWindow.getResources(function(resources) {
+      for (var i = 0; i < resources.length; ++i)
+        if (/^chrome-extension:\/\//.test(resources[i].url))
+        {
+          callback({type: 'extensions'});
+          break;
+        }
+    });
+  }
+}
+
+initContexts(initPanels);
+
+chrome.devtools.inspectedWindow.onResourceAdded.addListener(function(res) {
+  if (res.url.match(/^chrome-extension:\/\//)) {
+    initContexts(initPanels);
+  }
+});
+
Property changes on: chrome/common/extensions/docs/examples/extensions/storage_api_devtools/scripts/devtools.js
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Added: svn:mime-type
   + text/javascript
Added: svn:eol-style
   + LF