Implement navigator.isApplicationInstalled() API

This CL contains the wiring between the API and the Java side.

Fix b: 2371005

2 files changed, 166 insertions, 0 deletions

diff --git a/WebCore/platform/android/PackageNotifier.cpp b/WebCore/platform/android/PackageNotifier.cpp
new file mode 100644
index 0000000..e057cdf
--- /dev/null
+++ b/WebCore/platform/android/PackageNotifier.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "PackageNotifier.h"
+
+#if ENABLE(APPLICATION_INSTALLED)
+
+#include <wtf/Assertions.h>
+#include <wtf/StdLibExtras.h>
+
+namespace WebCore {
+
+PackageNotifier::PackageNotifier()
+        : m_onResultAvailable(0), m_isInitialized(false), m_timer(this, &PackageNotifier::timerFired)  { }
+
+void PackageNotifier::setOnResultAvailable(Callback callback)
+{
+    m_onResultAvailable = callback;
+}
+
+void PackageNotifier::addPackageNames(const HashSet<String>& packageNames)
+{
+    if (!m_isInitialized)
+        m_isInitialized = true;
+
+    typedef HashSet<String>::const_iterator NamesIterator;
+    for (NamesIterator iter = packageNames.begin(); iter != packageNames.end(); ++iter)
+        m_packageNames.add(*iter);
+
+    if (m_onResultAvailable)
+        m_onResultAvailable();
+}
+
+void PackageNotifier::addPackageName(const String& packageName)
+{
+    ASSERT(m_isInitialized);
+    m_packageNames.add(packageName);
+}
+
+void PackageNotifier::removePackageName(const String& packageName)
+{
+    ASSERT(m_isInitialized);
+    m_packageNames.remove(packageName);
+}
+
+void PackageNotifier::requestPackageResult()
+{
+    if (!m_isInitialized || m_timer.isActive())
+        return;
+
+    m_timer.startOneShot(0);
+}
+
+void PackageNotifier::timerFired(Timer<PackageNotifier>*)
+{
+    m_timer.stop();
+    if (m_onResultAvailable)
+        m_onResultAvailable();
+}
+
+bool PackageNotifier::isPackageInstalled(const String& packageName)
+{
+    return m_packageNames.contains(packageName);
+}
+
+PackageNotifier& packageNotifier()
+{
+    AtomicallyInitializedStatic(PackageNotifier*, packageNotifier = new PackageNotifier);
+    return *packageNotifier;
+}
+
+}
+
+#endif // ENABLE(APPLICATION_INSTALLED)
diff --git a/WebCore/platform/android/PackageNotifier.h b/WebCore/platform/android/PackageNotifier.h
new file mode 100644
index 0000000..ad44bc7
--- /dev/null
+++ b/WebCore/platform/android/PackageNotifier.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PackageNotifier_h
+#define PackageNotifier_h
+
+#if ENABLE(APPLICATION_INSTALLED)
+
+#include "PlatformString.h"
+#include "StringHash.h"
+#include "Timer.h"
+#include <wtf/HashSet.h>
+#include <wtf/Noncopyable.h>
+
+namespace WebCore {
+
+class PackageNotifier : public Noncopyable {
+public:
+    PackageNotifier();
+
+    typedef void (*Callback)();
+    void setOnResultAvailable(Callback);
+
+    void addPackageNames(const HashSet<String>& packageNames);
+    void addPackageName(const String& packageName);
+    void removePackageName(const String& packageName);
+
+    void requestPackageResult();
+    bool isPackageInstalled(const String& packageName);
+
+private:
+    void timerFired(Timer<PackageNotifier>*);
+
+    Callback m_onResultAvailable;
+
+    HashSet<String> m_packageNames;
+    bool m_isInitialized;
+    Timer<PackageNotifier> m_timer;
+};
+
+PackageNotifier& packageNotifier();
+
+}
+
+#endif
+
+#endif // PackageNotifier_h
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