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Bug 1039493 - Break out B2G DevTools files. r=fabrice
--HG-- rename : b2g/chrome/content/devtools.js => b2g/chrome/content/devtools/hud.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- / | ||
| /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| * You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
|
|
||
| "use strict"; | ||
|
|
||
| // This file is only loaded on Gonk to manage ADB state | ||
|
|
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| let AdbController = { | ||
| DEBUG: false, | ||
| locked: undefined, | ||
| remoteDebuggerEnabled: undefined, | ||
| lockEnabled: undefined, | ||
| disableAdbTimer: null, | ||
| disableAdbTimeoutHours: 12, | ||
| umsActive: false, | ||
|
|
||
| debug: function(str) { | ||
| dump("AdbController: " + str + "\n"); | ||
| }, | ||
|
|
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| setLockscreenEnabled: function(value) { | ||
| this.lockEnabled = value; | ||
| if (this.DEBUG) { | ||
| this.debug("setLockscreenEnabled = " + this.lockEnabled); | ||
| } | ||
| this.updateState(); | ||
| }, | ||
|
|
||
| setLockscreenState: function(value) { | ||
| this.locked = value; | ||
| if (this.DEBUG) { | ||
| this.debug("setLockscreenState = " + this.locked); | ||
| } | ||
| this.updateState(); | ||
| }, | ||
|
|
||
| setRemoteDebuggerState: function(value) { | ||
| this.remoteDebuggerEnabled = value; | ||
| if (this.DEBUG) { | ||
| this.debug("setRemoteDebuggerState = " + this.remoteDebuggerEnabled); | ||
| } | ||
| this.updateState(); | ||
| }, | ||
|
|
||
| startDisableAdbTimer: function() { | ||
| if (this.disableAdbTimer) { | ||
| this.disableAdbTimer.cancel(); | ||
| } else { | ||
| this.disableAdbTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); | ||
| try { | ||
| this.disableAdbTimeoutHours = | ||
| Services.prefs.getIntPref("b2g.adb.timeout-hours"); | ||
| } catch (e) { | ||
| // This happens if the pref doesn't exist, in which case | ||
| // disableAdbTimeoutHours will still be set to the default. | ||
| } | ||
| } | ||
| if (this.disableAdbTimeoutHours <= 0) { | ||
| if (this.DEBUG) { | ||
| this.debug("Timer to disable ADB not started due to zero timeout"); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| if (this.DEBUG) { | ||
| this.debug("Starting timer to disable ADB in " + | ||
| this.disableAdbTimeoutHours + " hours"); | ||
| } | ||
| let timeoutMilliseconds = this.disableAdbTimeoutHours * 60 * 60 * 1000; | ||
| this.disableAdbTimer.initWithCallback(this, timeoutMilliseconds, | ||
| Ci.nsITimer.TYPE_ONE_SHOT); | ||
| }, | ||
|
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||
| stopDisableAdbTimer: function() { | ||
| if (this.DEBUG) { | ||
| this.debug("Stopping timer to disable ADB"); | ||
| } | ||
| if (this.disableAdbTimer) { | ||
| this.disableAdbTimer.cancel(); | ||
| this.disableAdbTimer = null; | ||
| } | ||
| }, | ||
|
|
||
| notify: function(aTimer) { | ||
| if (aTimer == this.disableAdbTimer) { | ||
| this.disableAdbTimer = null; | ||
| // The following dump will be the last thing that shows up in logcat, | ||
| // and will at least give the user a clue about why logcat was | ||
| // disconnected, if the user happens to be using logcat. | ||
| dump("AdbController: ADB timer expired - disabling ADB\n"); | ||
| navigator.mozSettings.createLock().set( | ||
| {'debugger.remote-mode': 'disabled'}); | ||
| } | ||
| }, | ||
|
|
||
| updateState: function() { | ||
| this.umsActive = false; | ||
| this.storages = navigator.getDeviceStorages('sdcard'); | ||
| this.updateStorageState(0); | ||
| }, | ||
|
|
||
| updateStorageState: function(storageIndex) { | ||
| if (storageIndex >= this.storages.length) { | ||
| // We've iterated through all of the storage objects, now we can | ||
| // really do updateStateInternal. | ||
| this.updateStateInternal(); | ||
| return; | ||
| } | ||
| let storage = this.storages[storageIndex]; | ||
| if (this.DEBUG) { | ||
| this.debug("Checking availability of storage: '" + | ||
| storage.storageName); | ||
| } | ||
|
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||
| let req = storage.available(); | ||
| req.onsuccess = function(e) { | ||
| if (this.DEBUG) { | ||
| this.debug("Storage: '" + storage.storageName + "' is '" + | ||
| e.target.result); | ||
| } | ||
| if (e.target.result == 'shared') { | ||
| // We've found a storage area that's being shared with the PC. | ||
| // We can stop looking now. | ||
| this.umsActive = true; | ||
| this.updateStateInternal(); | ||
| return; | ||
| } | ||
| this.updateStorageState(storageIndex + 1); | ||
| }.bind(this); | ||
| req.onerror = function(e) { | ||
| dump("AdbController: error querying storage availability for '" + | ||
| this.storages[storageIndex].storageName + "' (ignoring)\n"); | ||
| this.updateStorageState(storageIndex + 1); | ||
| }.bind(this); | ||
| }, | ||
|
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||
| updateStateInternal: function() { | ||
| if (this.DEBUG) { | ||
| this.debug("updateStateInternal: called"); | ||
| } | ||
|
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||
| if (this.remoteDebuggerEnabled === undefined || | ||
| this.lockEnabled === undefined || | ||
| this.locked === undefined) { | ||
| // Part of initializing the settings database will cause the observers | ||
| // to trigger. We want to wait until both have been initialized before | ||
| // we start changing ther adb state. Without this then we can wind up | ||
| // toggling adb off and back on again (or on and back off again). | ||
| // | ||
| // For completeness, one scenario which toggles adb is using the unagi. | ||
| // The unagi has adb enabled by default (prior to b2g starting). If you | ||
| // have the phone lock disabled and remote debugging enabled, then we'll | ||
| // receive an unlock event and an rde event. However at the time we | ||
| // receive the unlock event we haven't yet received the rde event, so | ||
| // we turn adb off momentarily, which disconnects a logcat that might | ||
| // be running. Changing the defaults (in AdbController) just moves the | ||
| // problem to a different phone, which has adb disabled by default and | ||
| // we wind up turning on adb for a short period when we shouldn't. | ||
| // | ||
| // By waiting until both values are properly initialized, we avoid | ||
| // turning adb on or off accidentally. | ||
| if (this.DEBUG) { | ||
| this.debug("updateState: Waiting for all vars to be initialized"); | ||
| } | ||
| return; | ||
| } | ||
|
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||
| // Check if we have a remote debugging session going on. If so, we won't | ||
| // disable adb even if the screen is locked. | ||
| let isDebugging = USBRemoteDebugger.isDebugging; | ||
| if (this.DEBUG) { | ||
| this.debug("isDebugging=" + isDebugging); | ||
| } | ||
|
|
||
| // If USB Mass Storage, USB tethering, or a debug session is active, | ||
| // then we don't want to disable adb in an automatic fashion (i.e. | ||
| // when the screen locks or due to timeout). | ||
| let sysUsbConfig = libcutils.property_get("sys.usb.config"); | ||
| let rndisActive = (sysUsbConfig.split(",").indexOf("rndis") >= 0); | ||
| let usbFuncActive = rndisActive || this.umsActive || isDebugging; | ||
|
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| let enableAdb = this.remoteDebuggerEnabled && | ||
| (!(this.lockEnabled && this.locked) || usbFuncActive); | ||
|
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| let useDisableAdbTimer = true; | ||
| try { | ||
| if (Services.prefs.getBoolPref("marionette.defaultPrefs.enabled")) { | ||
| // Marionette is enabled. Marionette requires that adb be on (and also | ||
| // requires that remote debugging be off). The fact that marionette | ||
| // is enabled also implies that we're doing a non-production build, so | ||
| // we want adb enabled all of the time. | ||
| enableAdb = true; | ||
| useDisableAdbTimer = false; | ||
| } | ||
| } catch (e) { | ||
| // This means that the pref doesn't exist. Which is fine. We just leave | ||
| // enableAdb alone. | ||
| } | ||
| if (this.DEBUG) { | ||
| this.debug("updateState: enableAdb = " + enableAdb + | ||
| " remoteDebuggerEnabled = " + this.remoteDebuggerEnabled + | ||
| " lockEnabled = " + this.lockEnabled + | ||
| " locked = " + this.locked + | ||
| " usbFuncActive = " + usbFuncActive); | ||
| } | ||
|
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| // Configure adb. | ||
| let currentConfig = libcutils.property_get("persist.sys.usb.config"); | ||
| let configFuncs = currentConfig.split(","); | ||
| let adbIndex = configFuncs.indexOf("adb"); | ||
|
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| if (enableAdb) { | ||
| // Add adb to the list of functions, if not already present | ||
| if (adbIndex < 0) { | ||
| configFuncs.push("adb"); | ||
| } | ||
| } else { | ||
| // Remove adb from the list of functions, if present | ||
| if (adbIndex >= 0) { | ||
| configFuncs.splice(adbIndex, 1); | ||
| } | ||
| } | ||
| let newConfig = configFuncs.join(","); | ||
| if (newConfig != currentConfig) { | ||
| if (this.DEBUG) { | ||
| this.debug("updateState: currentConfig = " + currentConfig); | ||
| this.debug("updateState: newConfig = " + newConfig); | ||
| } | ||
| try { | ||
| libcutils.property_set("persist.sys.usb.config", newConfig); | ||
| } catch(e) { | ||
| dump("Error configuring adb: " + e); | ||
| } | ||
| } | ||
| if (useDisableAdbTimer) { | ||
| if (enableAdb && !usbFuncActive) { | ||
| this.startDisableAdbTimer(); | ||
| } else { | ||
| this.stopDisableAdbTimer(); | ||
| } | ||
| } | ||
| } | ||
| }; | ||
|
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| SettingsListener.observe("lockscreen.locked", false, | ||
| AdbController.setLockscreenState.bind(AdbController)); | ||
| SettingsListener.observe("lockscreen.enabled", false, | ||
| AdbController.setLockscreenEnabled.bind(AdbController)); |
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