Test + Fix for GTK window resizing when using toolkit views.

chrome/browser/views/html_dialog_view_browsertest.cc

+// Copyright (c) 2010 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 "chrome/test/ui/ui_test.h"
+
+#include "base/file_path.h"
+#include "base/message_loop.h"
+#include "chrome/browser/chrome_thread.h"
+#include "chrome/browser/dom_ui/html_dialog_ui.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/renderer_host/render_widget_host_view.h"
+#include "chrome/browser/views/html_dialog_view.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/in_process_browser_test.h"
+#include "chrome/test/ui_test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "views/widget/widget.h"
+#include "views/window/window.h"
+
+using testing::Eq;
+
+namespace {
+
+// Window non-client-area means that the minimum size for the window
+// won't be the actual minimum size - our layout and resizing code
+// makes sure the chrome is always visible.
+const int kMinimumWidthToTestFor = 20;
+const int kMinimumHeightToTestFor = 30;
+
+class TestHtmlDialogUIDelegate : public HtmlDialogUIDelegate {
+ public:
+  TestHtmlDialogUIDelegate() {}
+  virtual ~TestHtmlDialogUIDelegate() {}
+
+  // HTMLDialogUIDelegate implementation:
+  virtual bool IsDialogModal() const {
+    return true;
+  }
+  virtual std::wstring GetDialogTitle() const {
+    return std::wstring(L"Test");
+  }
+  virtual GURL GetDialogContentURL() const {
+    return GURL(chrome::kAboutBlankURL);
+  }
+  virtual void GetDOMMessageHandlers(
+      std::vector<DOMMessageHandler*>* handlers) const { }
+  virtual void GetDialogSize(gfx::Size* size) const {
+    size->set_width(40);
+    size->set_height(40);
+  }
+  virtual std::string GetDialogArgs() const {
+    return std::string();
+  }
+  virtual void OnDialogClosed(const std::string& json_retval) { }
+  virtual void OnCloseContents(TabContents* source, bool* out_close_dialog) {
+    if (out_close_dialog)
+      *out_close_dialog = true;
+  }
+};
+
+}  // namespace
+
+class HtmlDialogBrowserTest : public InProcessBrowserTest {
+ public:
+  HtmlDialogBrowserTest() {}
+
+#if defined(OS_WIN)
+  class WindowChangedObserver : public base::MessagePumpForUI::Observer {
+   public:
+    WindowChangedObserver() {}
+
+    static WindowChangedObserver* Get() {
+      return Singleton<WindowChangedObserver>::get();
+    }
+
+    // This method is called before processing a message.
+    virtual void WillProcessMessage(const MSG& msg) {}
+
+    // This method is called after processing a message.
+    virtual void DidProcessMessage(const MSG& msg) {
+      // Either WM_PAINT or WM_TIMER indicates the actual work of
+      // pushing through the window resizing messages is done since
+      // they are lower priority (we don't get to see the
+      // WM_WINDOWPOSCHANGED message here).
+      if (msg.message == WM_PAINT || msg.message == WM_TIMER)
+        MessageLoop::current()->Quit();
+    }
+  };
+#elif !defined(OS_MACOSX)
+  class WindowChangedObserver : public base::MessagePumpForUI::Observer {
+   public:
+    WindowChangedObserver() {}
+
+    static WindowChangedObserver* Get() {
+      return Singleton<WindowChangedObserver>::get();
+    }
+
+    // This method is called before processing a message.
+    virtual void WillProcessEvent(GdkEvent* event) {}
+
+    // This method is called after processing a message.
+    virtual void DidProcessEvent(GdkEvent* event) {
+      // Quit once the GDK_CONFIGURE event has been processed - seeing
+      // this means the window sizing request that was made actually
+      // happened.
+      if (event->type == GDK_CONFIGURE)
+        MessageLoop::current()->Quit();
+    }
+  };
+#endif
+};
+
+#if defined(OS_LINUX)
+#define MAYBE_SizeWindow SizeWindow
+#else
+// http://code.google.com/p/chromium/issues/detail?id=52602
+// Windows has some issues resizing windows- an off by one problem,
+// and a minimum size that seems too big.  This file isn't included in
+// Mac builds yet.
+#define MAYBE_SizeWindow DISABLED_SizeWindow
+#endif
+
+IN_PROC_BROWSER_TEST_F(HtmlDialogBrowserTest, MAYBE_SizeWindow) {
+  HtmlDialogUIDelegate* delegate = new TestHtmlDialogUIDelegate();
+
+  HtmlDialogView* html_view =
+      new HtmlDialogView(browser()->profile(), delegate);
+  TabContents* tab_contents = browser()->GetSelectedTabContents();
+  ASSERT_TRUE(tab_contents != NULL);
+  views::Window::CreateChromeWindow(tab_contents->GetMessageBoxRootWindow(),
+                                    gfx::Rect(), html_view);
+  html_view->InitDialog();
+  html_view->window()->Show();
+
+  MessageLoopForUI::current()->AddObserver(WindowChangedObserver::Get());
+
+  gfx::Rect bounds;
+  html_view->GetWidget()->GetBounds(&bounds, false);
+
+  gfx::Rect set_bounds = bounds;
+  gfx::Rect actual_bounds, rwhv_bounds;
+
+  // Bigger than the default in both dimensions.
+  set_bounds.set_width(400);
+  set_bounds.set_height(300);
+
+  html_view->MoveContents(tab_contents, set_bounds);
+  ui_test_utils::RunMessageLoop();
+  html_view->GetWidget()->GetBounds(&actual_bounds, false);
+  EXPECT_EQ(set_bounds, actual_bounds);
+
+  rwhv_bounds =
+      html_view->tab_contents()->GetRenderWidgetHostView()->GetViewBounds();
+  EXPECT_LT(0, rwhv_bounds.width());
+  EXPECT_LT(0, rwhv_bounds.height());
+  EXPECT_GE(set_bounds.width(), rwhv_bounds.width());
+  EXPECT_GE(set_bounds.height(), rwhv_bounds.height());
+
+  // Larger in one dimension and smaller in the other.
+  set_bounds.set_width(550);
+  set_bounds.set_height(250);
+
+  html_view->MoveContents(tab_contents, set_bounds);
+  ui_test_utils::RunMessageLoop();
+  html_view->GetWidget()->GetBounds(&actual_bounds, false);
+  EXPECT_EQ(set_bounds, actual_bounds);
+
+  rwhv_bounds =
+      html_view->tab_contents()->GetRenderWidgetHostView()->GetViewBounds();
+  EXPECT_LT(0, rwhv_bounds.width());
+  EXPECT_LT(0, rwhv_bounds.height());
+  EXPECT_GE(set_bounds.width(), rwhv_bounds.width());
+  EXPECT_GE(set_bounds.height(), rwhv_bounds.height());
+
+  // Get very small.
+  set_bounds.set_width(kMinimumWidthToTestFor);
+  set_bounds.set_height(kMinimumHeightToTestFor);
+
+  html_view->MoveContents(tab_contents, set_bounds);
+  ui_test_utils::RunMessageLoop();
+  html_view->GetWidget()->GetBounds(&actual_bounds, false);
+  EXPECT_EQ(set_bounds, actual_bounds);
+
+  rwhv_bounds =
+      html_view->tab_contents()->GetRenderWidgetHostView()->GetViewBounds();
+  EXPECT_LT(0, rwhv_bounds.width());
+  EXPECT_LT(0, rwhv_bounds.height());
+  EXPECT_GE(set_bounds.width(), rwhv_bounds.width());
+  EXPECT_GE(set_bounds.height(), rwhv_bounds.height());
+
+  // Check to make sure we can't get to 0x0
+  set_bounds.set_width(0);
+  set_bounds.set_height(0);
+
+  html_view->MoveContents(tab_contents, set_bounds);
+  ui_test_utils::RunMessageLoop();
+  html_view->GetWidget()->GetBounds(&actual_bounds, false);
+  EXPECT_LT(0, actual_bounds.width());
+  EXPECT_LT(0, actual_bounds.height());
+
+  MessageLoopForUI::current()->RemoveObserver(WindowChangedObserver::Get());
+}