Zoom Extension API (chrome)

chrome/browser/ui/browser_browsertest.cc

 // Copyright (c) 2012 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.
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 1787 matching lines @@
 
 }  // namespace
 
 #if defined(OS_WIN)
 // Flakes regularly on Windows XP
 // http://crbug.com/146040
 #define MAYBE_PageZoom DISABLED_PageZoom
 #else
 #define MAYBE_PageZoom PageZoom
 #endif
+
+namespace {
+
+int GetZoomPercent(const content::WebContents* contents,
+                   bool* enable_plus,
+                   bool* enable_minus) {
+  int percent = ZoomController::FromWebContents(contents)->GetZoomPercent();
+  *enable_plus = percent < contents->GetMaximumZoomPercent();
+  *enable_minus = percent > contents->GetMinimumZoomPercent();
+  return percent;
+}
+
+}  // namespace
+
 IN_PROC_BROWSER_TEST_F(BrowserTest, MAYBE_PageZoom) {
   WebContents* contents = browser()->tab_strip_model()->GetActiveWebContents();
   bool enable_plus, enable_minus;
 
   {
     scoped_refptr<content::MessageLoopRunner> loop_runner(
         new content::MessageLoopRunner);
     content::HostZoomMap::ZoomLevelChangedCallback callback(
         base::Bind(&OnZoomLevelChanged, loop_runner->QuitClosure()));
     scoped_ptr<content::HostZoomMap::Subscription> sub =
         content::HostZoomMap::GetForBrowserContext(
             browser()->profile())->AddZoomLevelChangedCallback(callback);
     chrome::Zoom(browser(), content::PAGE_ZOOM_IN);
     loop_runner->Run();
     sub.reset();
-    EXPECT_EQ(contents->GetZoomPercent(&enable_plus, &enable_minus), 110);
+    EXPECT_EQ(GetZoomPercent(contents, &enable_plus, &enable_minus), 110);
     EXPECT_TRUE(enable_plus);
     EXPECT_TRUE(enable_minus);
   }
 
   {
     scoped_refptr<content::MessageLoopRunner> loop_runner(
         new content::MessageLoopRunner);
     content::HostZoomMap::ZoomLevelChangedCallback callback(
         base::Bind(&OnZoomLevelChanged, loop_runner->QuitClosure()));
     scoped_ptr<content::HostZoomMap::Subscription> sub =
         content::HostZoomMap::GetForBrowserContext(
             browser()->profile())->AddZoomLevelChangedCallback(callback);
     chrome::Zoom(browser(), content::PAGE_ZOOM_RESET);
     loop_runner->Run();
     sub.reset();
-    EXPECT_EQ(contents->GetZoomPercent(&enable_plus, &enable_minus), 100);
+    EXPECT_EQ(GetZoomPercent(contents, &enable_plus, &enable_minus), 100);
     EXPECT_TRUE(enable_plus);
     EXPECT_TRUE(enable_minus);
   }
 
   {
     scoped_refptr<content::MessageLoopRunner> loop_runner(
         new content::MessageLoopRunner);
     content::HostZoomMap::ZoomLevelChangedCallback callback(
         base::Bind(&OnZoomLevelChanged, loop_runner->QuitClosure()));
     scoped_ptr<content::HostZoomMap::Subscription> sub =
         content::HostZoomMap::GetForBrowserContext(
             browser()->profile())->AddZoomLevelChangedCallback(callback);
     chrome::Zoom(browser(), content::PAGE_ZOOM_OUT);
     loop_runner->Run();
     sub.reset();
-    EXPECT_EQ(contents->GetZoomPercent(&enable_plus, &enable_minus), 90);
+    EXPECT_EQ(GetZoomPercent(contents, &enable_plus, &enable_minus), 90);
     EXPECT_TRUE(enable_plus);
     EXPECT_TRUE(enable_minus);
   }
 
   chrome::Zoom(browser(), content::PAGE_ZOOM_RESET);
 }
 
 IN_PROC_BROWSER_TEST_F(BrowserTest, InterstitialCommandDisable) {
   ASSERT_TRUE(test_server()->Start());
   host_resolver()->AddRule("www.example.com", "127.0.0.1");
@@ skipping 822 matching lines @@
 #endif
   EXPECT_EQ(exp_commit_size, rwhv_commit_size2);
   EXPECT_EQ(exp_commit_size, wcv_commit_size2);
   gfx::Size exp_final_size(initial_wcv_size);
   exp_final_size.Enlarge(wcv_resize_insets.width(),
                          wcv_resize_insets.height() + height_inset);
   EXPECT_EQ(exp_final_size,
             web_contents->GetRenderWidgetHostView()->GetViewBounds().size());
   EXPECT_EQ(exp_final_size, web_contents->GetContainerBounds().size());
 }