webapps: initial addition of splash screen icon downloading

chrome/browser/android/banners/app_banner_manager_android.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_MANAGER_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_MANAGER_ANDROID_H_
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/android/banners/app_banner_data_fetcher_android.h"
 #include "chrome/browser/banners/app_banner_debug_log.h"
 #include "chrome/browser/banners/app_banner_manager.h"
 
 namespace banners {
 class AppBannerDataFetcherAndroid;
 
 // Extends the AppBannerManager to support native Android apps.
 // TODO(dfalcantara): Flip it so the C++ AppBannerManagerAndroid owns the
 // Java AppBannerManager, move ownership of the AppBannerManagerAndroid to
 // the TabAndroid class, then move functions for retriving info from Java to
 // the AppBannerDataFetcherAndroid.
 class AppBannerManagerAndroid : public AppBannerManager {
  public:
   // Registers native methods.
   static bool Register(JNIEnv* env);
 
-  AppBannerManagerAndroid(JNIEnv* env, jobject obj, int icon_size);
+  AppBannerManagerAndroid(JNIEnv* env,
+                          jobject obj,
+                          int ideal_splash_image_size_in_dp,
+                          int ideal_icon_size_in_dp);
   ~AppBannerManagerAndroid() override;
 
   // Destroys the AppBannerManagerAndroid.
   void Destroy(JNIEnv* env, jobject obj);
 
   // Observes a new WebContents, if necessary.
   void ReplaceWebContents(JNIEnv* env,
                           jobject obj,
                           jobject jweb_contents);
 
   // Return whether a BitmapFetcher is active.
   bool IsFetcherActive(JNIEnv* env, jobject jobj);
 
   // Called when the Java-side has retrieved information for the app.
   // Returns |false| if an icon fetch couldn't be kicked off.
   bool OnAppDetailsRetrieved(JNIEnv* env,
                              jobject obj,
                              jobject japp_data,
                              jstring japp_title,
                              jstring japp_package,
                              jstring jicon_url);
 
  protected:
   AppBannerDataFetcher* CreateAppBannerDataFetcher(
       base::WeakPtr<AppBannerDataFetcher::Delegate> weak_delegate,
-      const int ideal_icon_size) override;
+      const int ideal_icon_size_in_dp) override;
 
  private:
   // AppBannerDataFetcher::Delegate overrides.
   bool HandleNonWebApp(const std::string& platform,
                        const GURL& url,
                        const std::string& id) override;
 
   bool CheckPlatformAndId(const std::string& platform, const std::string& id);
 
   bool CheckFetcherMatchesContents();
 
   std::string ExtractQueryValueForName(const GURL& url,
                                        const std::string& name);
 
+  // Ideal splash screen image size to use.
+  const int ideal_splash_image_size_in_dp_;
+
   // AppBannerManager on the Java side.
   JavaObjectWeakGlobalRef weak_java_banner_view_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(AppBannerManagerAndroid);
 };  // class AppBannerManagerAndroid
 
 }  // namespace banners
 
 #endif  // CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_MANAGER_ANDROID_H_