Changeset 88745 in webkit

Timestamp:

Jun 13, 2011 6:13:56 PM (13 years ago)

Author:

simonjam@chromium.org

Message:

2011-06-13 James Simonsen <​simonjam@chromium.org>

Reviewed by James Robinson.

[Chromium] Implement monotonicallyIncreasingClock()
​https://bugs.webkit.org/show_bug.cgi?id=62162

• platform/chromium/PlatformBridge.h:
• platform/chromium/SystemTimeChromium.cpp: (WebCore::monotonicallyIncreasingTime): Use Chrome's implementation.

2011-06-13 James Simonsen <​simonjam@chromium.org>

Reviewed by James Robinson.

[Chromium] Implement monotonicallyIncreasingClock()
​https://bugs.webkit.org/show_bug.cgi?id=62162

• public/WebKitClient.h: (WebKit::WebKitClient::monotonicallyIncreasingTime): Added.
• src/PlatformBridge.cpp: (WebCore::PlatformBridge::monotonicallyIncreasingTime): Added.

Location:

trunk/Source

Files:

• WebCore/ChangeLog (modified) (1 diff)
• WebCore/platform/chromium/PlatformBridge.h (modified) (1 diff)
• WebCore/platform/chromium/SystemTimeChromium.cpp (modified) (1 diff)
• WebKit/chromium/ChangeLog (modified) (1 diff)
• WebKit/chromium/public/WebKitClient.h (modified) (1 diff)
• WebKit/chromium/src/PlatformBridge.cpp (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2011-06-13  James Simonsen  <simonjam@chromium.org>
+
+        Reviewed by James Robinson.
+
+        [Chromium] Implement monotonicallyIncreasingClock()
+        https://bugs.webkit.org/show_bug.cgi?id=62162
+
+        * platform/chromium/PlatformBridge.h:
+        * platform/chromium/SystemTimeChromium.cpp:
+        (WebCore::monotonicallyIncreasingTime): Use Chrome's implementation.
+
 2011-06-13  Steve Block  <steveblock@google.com>
 

trunk/Source/WebCore/platform/chromium/PlatformBridge.h

@@ -247 +247 @@
     // SystemTime ---------------------------------------------------------
     static double currentTime();
+    static double monotonicallyIncreasingTime();
 
     // Theming ------------------------------------------------------------

trunk/Source/WebCore/platform/chromium/SystemTimeChromium.cpp

@@ -46 +46 @@
 double monotonicallyIncreasingTime()
 {
-    static double lastTime = 0;
-    double currentTimeNow = currentTime();
-    if (currentTimeNow < lastTime)
-        return lastTime;
-    lastTime = currentTimeNow;
-    return currentTimeNow;
+    return PlatformBridge::monotonicallyIncreasingTime();
 }
 

trunk/Source/WebKit/chromium/ChangeLog

@@ +1 @@
+2011-06-13  James Simonsen  <simonjam@chromium.org>
+
+        Reviewed by James Robinson.
+
+        [Chromium] Implement monotonicallyIncreasingClock()
+        https://bugs.webkit.org/show_bug.cgi?id=62162
+
+        * public/WebKitClient.h:
+        (WebKit::WebKitClient::monotonicallyIncreasingTime): Added.
+        * src/PlatformBridge.cpp:
+        (WebCore::PlatformBridge::monotonicallyIncreasingTime): Added.
+
 2011-06-13  Jian Li  <jianli@chromium.org>
 

trunk/Source/WebKit/chromium/public/WebKitClient.h

@@ -267 +267 @@
     virtual double currentTime() { return 0; }
 
+    // Monotonically increasing time in seconds from an arbitrary fixed point in the past.
+    // This function is expected to return at least millisecond-precision values. For this reason,
+    // it is recommended that the fixed point be no further in the past than the epoch.
+    virtual double monotonicallyIncreasingTime() { return 0; }
+
     virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length)
     {

trunk/Source/WebKit/chromium/src/PlatformBridge.cpp

@@ -700 +700 @@
 {
     return webKitClient()->currentTime();
+}
+
+double PlatformBridge::monotonicallyIncreasingTime()
+{
+    return webKitClient()->monotonicallyIncreasingTime();
 }