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am b0791173: Merge "Add some flags to reduce memory usage on svelte devices." into lmp-mr1-dev

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* commit 'b079117384c038e1c02fb58fefafcb2a72cb0cf3':
  Add some flags to reduce memory usage on svelte devices.
This commit is contained in:
Winson Chung
2014-11-17 23:06:15 +00:00
committed by Android Git Automerger
parent b596bffdaa b079117384
commit fc7ebb934e
4 changed files with 53 additions and 9 deletions
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2
packages/SystemUI/res/values/config.xml
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@@ -182,6 +182,8 @@
<bool name="recents_has_transposed_search_bar">true</bool>
<!-- Transposes the nav bar in landscape (only used for purposes of layout). -->
<bool name="recents_has_transposed_nav_bar">true</bool>
<!-- Svelte specific logic, see RecentsConfiguration.SVELTE_* constants. -->
<integer name="recents_svelte_level">0</integer>
<!-- Whether to enable KeyguardService or not -->
<bool name="config_enableKeyguardService">true</bool>

14
packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
View File

@@ -38,6 +38,18 @@ public class RecentsConfiguration {
static RecentsConfiguration sInstance;
static int sPrevConfigurationHashCode;
/** Levels of svelte in increasing severity/austerity. */
// No svelting.
public static final int SVELTE_NONE = 0;
// Limit thumbnail cache to number of visible thumbnails when Recents was loaded, disable
// caching thumbnails as you scroll.
public static final int SVELTE_LIMIT_CACHE = 1;
// Disable the thumbnail cache, load thumbnails asynchronously when the activity loads and
// evict all thumbnails when hidden.
public static final int SVELTE_DISABLE_CACHE = 2;
// Disable all thumbnail loading.
public static final int SVELTE_DISABLE_LOADING = 3;
/** Animations */
public float animationPxMovementPerSecond;
@@ -128,6 +140,7 @@ public class RecentsConfiguration {
public boolean lockToAppEnabled;
public boolean developerOptionsEnabled;
public boolean debugModeEnabled;
public int svelteLevel;
/** Private constructor */
private RecentsConfiguration(Context context) {
@@ -277,6 +290,7 @@ public class RecentsConfiguration {
useHardwareLayers = res.getBoolean(R.bool.config_recents_use_hardware_layers);
altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
fakeShadows = res.getBoolean(R.bool.config_recents_fake_shadows);
svelteLevel = res.getInteger(R.integer.recents_svelte_level);
}
/** Updates the system insets */

11
packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
View File

@@ -155,7 +155,8 @@ public class RecentsTaskLoadPlan {
/**
* Called to apply the actual loading based on the specified conditions.
*/
synchronized void executePlan(Options opts, RecentsTaskLoader loader) {
synchronized void executePlan(Options opts, RecentsTaskLoader loader,
TaskResourceLoadQueue loadQueue) {
if (DEBUG) Log.d(TAG, "executePlan, # tasks: " + opts.numVisibleTasks +
", # thumbnails: " + opts.numVisibleTaskThumbnails +
", running task id: " + opts.runningTaskId);
@@ -195,8 +196,12 @@ public class RecentsTaskLoadPlan {
if (opts.loadThumbnails && (isRunningTask || isVisibleThumbnail)) {
if (task.thumbnail == null) {
if (DEBUG) Log.d(TAG, "\tLoading thumbnail: " + taskKey);
task.thumbnail = loader.getAndUpdateThumbnail(taskKey, mSystemServicesProxy,
true);
if (mConfig.svelteLevel <= RecentsConfiguration.SVELTE_LIMIT_CACHE) {
task.thumbnail = loader.getAndUpdateThumbnail(taskKey, mSystemServicesProxy,
true);
} else if (mConfig.svelteLevel == RecentsConfiguration.SVELTE_DISABLE_CACHE) {
loadQueue.addTask(task);
}
}
}

35
packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
View File

@@ -94,6 +94,9 @@ class TaskResourceLoadQueue {
/* Task resource loader */
class TaskResourceLoader implements Runnable {
static String TAG = "TaskResourceLoader";
static boolean DEBUG = false;
Context mContext;
HandlerThread mLoadThread;
Handler mLoadThreadHandler;
@@ -165,6 +168,7 @@ class TaskResourceLoader implements Runnable {
}
}
} else {
RecentsConfiguration config = RecentsConfiguration.getInstance();
SystemServicesProxy ssp = mSystemServicesProxy;
// If we've stopped the loader, then fall thorugh to the above logic to wait on
// the load thread
@@ -185,6 +189,7 @@ class TaskResourceLoader implements Runnable {
ActivityInfo info = ssp.getActivityInfo(t.key.baseIntent.getComponent(),
t.key.userId);
if (info != null) {
if (DEBUG) Log.d(TAG, "Loading icon: " + t.key);
cachedIcon = ssp.getActivityIcon(info, t.key.userId);
}
}
@@ -199,11 +204,19 @@ class TaskResourceLoader implements Runnable {
}
// Load the thumbnail if it is stale or we haven't cached one yet
if (cachedThumbnail == null) {
cachedThumbnail = ssp.getTaskThumbnail(t.key.id);
if (config.svelteLevel < RecentsConfiguration.SVELTE_DISABLE_LOADING) {
if (DEBUG) Log.d(TAG, "Loading thumbnail: " + t.key);
cachedThumbnail = ssp.getTaskThumbnail(t.key.id);
}
if (cachedThumbnail == null) {
cachedThumbnail = mDefaultThumbnail;
}
mThumbnailCache.put(t.key, cachedThumbnail);
// When svelte, we trim the memory to just the visible thumbnails when
// leaving, so don't thrash the cache as the user scrolls (just load them
// from scratch each time)
if (config.svelteLevel < RecentsConfiguration.SVELTE_LIMIT_CACHE) {
mThumbnailCache.put(t.key, cachedThumbnail);
}
}
if (!mCancelled) {
// Notify that the task data has changed
@@ -267,6 +280,7 @@ public class RecentsTaskLoader {
int mMaxThumbnailCacheSize;
int mMaxIconCacheSize;
int mNumVisibleTasksLoaded;
int mNumVisibleThumbnailsLoaded;
BitmapDrawable mDefaultApplicationIcon;
Bitmap mDefaultThumbnail;
@@ -392,7 +406,8 @@ public class RecentsTaskLoader {
return thumbnail;
}
if (loadIfNotCached) {
RecentsConfiguration config = RecentsConfiguration.getInstance();
if (config.svelteLevel < RecentsConfiguration.SVELTE_DISABLE_LOADING && loadIfNotCached) {
// Load the thumbnail from the system
thumbnail = ssp.getTaskThumbnail(taskKey.id);
if (thumbnail != null) {
@@ -441,9 +456,10 @@ public class RecentsTaskLoader {
if (opts == null) {
throw new RuntimeException("Requires load options");
}
plan.executePlan(opts, this);
plan.executePlan(opts, this, mLoadQueue);
if (!opts.onlyLoadForCache) {
mNumVisibleTasksLoaded = opts.numVisibleTasks;
mNumVisibleThumbnailsLoaded = opts.numVisibleTaskThumbnails;
// Start the loader
mLoader.start(context);
@@ -503,12 +519,19 @@ public class RecentsTaskLoader {
* out of memory.
*/
public void onTrimMemory(int level) {
RecentsConfiguration config = RecentsConfiguration.getInstance();
switch (level) {
case ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN:
// Stop the loader immediately when the UI is no longer visible
stopLoader();
mThumbnailCache.trimToSize(Math.max(mNumVisibleTasksLoaded,
mMaxThumbnailCacheSize / 2));
if (config.svelteLevel == RecentsConfiguration.SVELTE_NONE) {
mThumbnailCache.trimToSize(Math.max(mNumVisibleTasksLoaded,
mMaxThumbnailCacheSize / 2));
} else if (config.svelteLevel == RecentsConfiguration.SVELTE_LIMIT_CACHE) {
mThumbnailCache.trimToSize(mNumVisibleThumbnailsLoaded);
} else if (config.svelteLevel >= RecentsConfiguration.SVELTE_DISABLE_CACHE) {
mThumbnailCache.evictAll();
}
mApplicationIconCache.trimToSize(Math.max(mNumVisibleTasksLoaded,
mMaxIconCacheSize / 2));
break;