Support javascript to exit full screen video

When webkit side receive the webkitExitFullscreen, just send it over to the
java side.

framework change:
https://android-git.corp.google.com/g/#/c/158653/

Change-Id: Ice2a5ea33458a8bf3e6990e288d94d5f032b0921

3 files changed, 24 insertions, 0 deletions

diff --git a/Source/WebKit/android/WebCoreSupport/ChromeClientAndroid.cpp b/Source/WebKit/android/WebCoreSupport/ChromeClientAndroid.cpp
index ab5fcb0..f907440 100644
--- a/Source/WebKit/android/WebCoreSupport/ChromeClientAndroid.cpp
+++ b/Source/WebKit/android/WebCoreSupport/ChromeClientAndroid.cpp
@@ -638,6 +638,11 @@ void ChromeClientAndroid::enterFullscreenForNode(Node* node)
 
 void ChromeClientAndroid::exitFullscreenForNode(Node* node)
 {
+    FrameView* frameView = m_webFrame->page()->mainFrame()->view();
+    android::WebViewCore* core = android::WebViewCore::getWebViewCore(frameView);
+    if (core)
+        core->exitFullscreenVideo();
+    return;
 }
 #endif
 
diff --git a/Source/WebKit/android/jni/WebViewCore.cpp b/Source/WebKit/android/jni/WebViewCore.cpp
index b7c4648..6737329 100644
--- a/Source/WebKit/android/jni/WebViewCore.cpp
+++ b/Source/WebKit/android/jni/WebViewCore.cpp
@@ -304,6 +304,7 @@ struct WebViewCore::JavaGlue {
     jmethodID   m_setScrollbarModes;
     jmethodID   m_setInstallableWebApp;
     jmethodID   m_enterFullscreenForVideoLayer;
+    jmethodID   m_exitFullscreenVideo;
     jmethodID   m_setWebTextViewAutoFillable;
     jmethodID   m_selectAt;
     AutoJObject object(JNIEnv* env) {
@@ -377,6 +378,7 @@ WebViewCore::WebViewCore(JNIEnv* env, jobject javaWebViewCore, WebCore::Frame* m
     , m_isPaused(false)
     , m_cacheMode(0)
     , m_shouldPaintCaret(true)
+    , m_fullscreenVideoMode(false)
     , m_pluginInvalTimer(this, &WebViewCore::pluginInvalTimerFired)
     , m_screenOnCounter(0)
     , m_currentNodeDomNavigationAxis(0)
@@ -439,6 +441,7 @@ WebViewCore::WebViewCore(JNIEnv* env, jobject javaWebViewCore, WebCore::Frame* m
     m_javaGlue->m_setInstallableWebApp = GetJMethod(env, clazz, "setInstallableWebApp", "()V");
 #if ENABLE(VIDEO)
     m_javaGlue->m_enterFullscreenForVideoLayer = GetJMethod(env, clazz, "enterFullscreenForVideoLayer", "(ILjava/lang/String;)V");
+    m_javaGlue->m_exitFullscreenVideo = GetJMethod(env, clazz, "exitFullscreenVideo", "()V");
 #endif
     m_javaGlue->m_setWebTextViewAutoFillable = GetJMethod(env, clazz, "setWebTextViewAutoFillable", "(ILjava/lang/String;)V");
     m_javaGlue->m_selectAt = GetJMethod(env, clazz, "selectAt", "(II)V");
@@ -3887,6 +3890,20 @@ void WebViewCore::enterFullscreenForVideoLayer(int layerId, const WTF::String& u
         return;
     jstring jUrlStr = wtfStringToJstring(env, url);
     env->CallVoidMethod(javaObject.get(), m_javaGlue->m_enterFullscreenForVideoLayer, layerId, jUrlStr);
+    m_fullscreenVideoMode = true;
+    checkException(env);
+}
+
+void WebViewCore::exitFullscreenVideo()
+{
+    JNIEnv* env = JSC::Bindings::getJNIEnv();
+    AutoJObject javaObject = m_javaGlue->object(env);
+    if (!javaObject.get())
+        return;
+    if (m_fullscreenVideoMode) {
+        env->CallVoidMethod(javaObject.get(), m_javaGlue->m_exitFullscreenVideo);
+        m_fullscreenVideoMode = false;
+    }
     checkException(env);
 }
 #endif
diff --git a/Source/WebKit/android/jni/WebViewCore.h b/Source/WebKit/android/jni/WebViewCore.h
index 9e7c4af..69b805c 100644
--- a/Source/WebKit/android/jni/WebViewCore.h
+++ b/Source/WebKit/android/jni/WebViewCore.h
@@ -559,6 +559,7 @@ namespace android {
 
 #if ENABLE(VIDEO)
         void enterFullscreenForVideoLayer(int layerId, const WTF::String& url);
+        void exitFullscreenVideo();
 #endif
 
         void setWebTextViewAutoFillable(int queryId, const string16& previewSummary);
@@ -700,6 +701,7 @@ namespace android {
         bool m_isPaused;
         int m_cacheMode;
         bool m_shouldPaintCaret;
+        bool m_fullscreenVideoMode;
 
         SkTDArray<PluginWidgetAndroid*> m_plugins;
         WebCore::Timer<WebViewCore> m_pluginInvalTimer;